1 /* Copyright (c) 2006-2010 Jonas Fonseca <fonseca@diku.dk>
3 * This program is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU General Public License as
5 * published by the Free Software Foundation; either version 2 of
6 * the License, or (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
19 #define TIG_VERSION "unknown-version"
34 #include <sys/types.h>
37 #include <sys/select.h>
49 /* ncurses(3): Must be defined to have extended wide-character functions. */
50 #define _XOPEN_SOURCE_EXTENDED
52 #ifdef HAVE_NCURSESW_NCURSES_H
53 #include <ncursesw/ncurses.h>
55 #ifdef HAVE_NCURSES_NCURSES_H
56 #include <ncurses/ncurses.h>
63 #define __NORETURN __attribute__((__noreturn__))
68 static void __NORETURN
die(const char *err
, ...);
69 static void warn(const char *msg
, ...);
70 static void report(const char *msg
, ...);
72 #define ABS(x) ((x) >= 0 ? (x) : -(x))
73 #define MIN(x, y) ((x) < (y) ? (x) : (y))
74 #define MAX(x, y) ((x) > (y) ? (x) : (y))
76 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
77 #define STRING_SIZE(x) (sizeof(x) - 1)
79 #define SIZEOF_STR 1024 /* Default string size. */
80 #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */
81 #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL. */
82 #define SIZEOF_ARG 32 /* Default argument array size. */
86 #define REVGRAPH_INIT 'I'
87 #define REVGRAPH_MERGE 'M'
88 #define REVGRAPH_BRANCH '+'
89 #define REVGRAPH_COMMIT '*'
90 #define REVGRAPH_BOUND '^'
92 #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */
94 /* This color name can be used to refer to the default term colors. */
95 #define COLOR_DEFAULT (-1)
97 #define ICONV_NONE ((iconv_t) -1)
99 #define ICONV_CONST /* nothing */
102 /* The format and size of the date column in the main view. */
103 #define DATE_FORMAT "%Y-%m-%d %H:%M"
104 #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ")
105 #define DATE_SHORT_COLS STRING_SIZE("2006-04-29 ")
108 #define AUTHOR_COLS 19
110 #define MIN_VIEW_HEIGHT 4
112 #define NULL_ID "0000000000000000000000000000000000000000"
114 #define S_ISGITLINK(mode) (((mode) & S_IFMT) == 0160000)
116 /* Some ASCII-shorthands fitted into the ncurses namespace. */
118 #define KEY_RETURN '\r'
123 char id
[SIZEOF_REV
]; /* Commit SHA1 ID */
124 unsigned int head
:1; /* Is it the current HEAD? */
125 unsigned int tag
:1; /* Is it a tag? */
126 unsigned int ltag
:1; /* If so, is the tag local? */
127 unsigned int remote
:1; /* Is it a remote ref? */
128 unsigned int tracked
:1; /* Is it the remote for the current HEAD? */
129 char name
[1]; /* Ref name; tag or head names are shortened. */
133 char id
[SIZEOF_REV
]; /* Commit SHA1 ID */
134 size_t size
; /* Number of refs. */
135 struct ref
**refs
; /* References for this ID. */
138 static struct ref
*get_ref_head();
139 static struct ref_list
*get_ref_list(const char *id
);
140 static void foreach_ref(bool (*visitor
)(void *data
, const struct ref
*ref
), void *data
);
141 static int load_refs(void);
144 FORMAT_ALL
, /* Perform replacement in all arguments. */
145 FORMAT_NONE
/* No replacement should be performed. */
148 static bool format_argv(const char *dst
[], const char *src
[], enum format_flags flags
);
157 typedef enum input_status (*input_handler
)(void *data
, char *buf
, int c
);
159 static char *prompt_input(const char *prompt
, input_handler handler
, void *data
);
160 static bool prompt_yesno(const char *prompt
);
168 static bool prompt_menu(const char *prompt
, const struct menu_item
*items
, int *selected
);
171 * Allocation helpers ... Entering macro hell to never be seen again.
174 #define DEFINE_ALLOCATOR(name, type, chunk_size) \
176 name(type **mem, size_t size, size_t increase) \
178 size_t num_chunks = (size + chunk_size - 1) / chunk_size; \
179 size_t num_chunks_new = (size + increase + chunk_size - 1) / chunk_size;\
182 if (mem == NULL || num_chunks != num_chunks_new) { \
183 tmp = realloc(tmp, num_chunks_new * chunk_size * sizeof(type)); \
196 string_ncopy_do(char *dst
, size_t dstlen
, const char *src
, size_t srclen
)
198 if (srclen
> dstlen
- 1)
201 strncpy(dst
, src
, srclen
);
205 /* Shorthands for safely copying into a fixed buffer. */
207 #define string_copy(dst, src) \
208 string_ncopy_do(dst, sizeof(dst), src, sizeof(src))
210 #define string_ncopy(dst, src, srclen) \
211 string_ncopy_do(dst, sizeof(dst), src, srclen)
213 #define string_copy_rev(dst, src) \
214 string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1)
216 #define string_add(dst, from, src) \
217 string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src))
220 string_expand(char *dst
, size_t dstlen
, const char *src
, int tabsize
)
224 for (size
= pos
= 0; size
< dstlen
- 1 && src
[pos
]; pos
++) {
225 if (src
[pos
] == '\t') {
226 size_t expanded
= tabsize
- (size
% tabsize
);
228 if (expanded
+ size
>= dstlen
- 1)
229 expanded
= dstlen
- size
- 1;
230 memcpy(dst
+ size
, " ", expanded
);
233 dst
[size
++] = src
[pos
];
241 chomp_string(char *name
)
245 while (isspace(*name
))
248 namelen
= strlen(name
) - 1;
249 while (namelen
> 0 && isspace(name
[namelen
]))
256 string_nformat(char *buf
, size_t bufsize
, size_t *bufpos
, const char *fmt
, ...)
259 size_t pos
= bufpos
? *bufpos
: 0;
262 pos
+= vsnprintf(buf
+ pos
, bufsize
- pos
, fmt
, args
);
268 return pos
>= bufsize
? FALSE
: TRUE
;
271 #define string_format(buf, fmt, args...) \
272 string_nformat(buf, sizeof(buf), NULL, fmt, args)
274 #define string_format_from(buf, from, fmt, args...) \
275 string_nformat(buf, sizeof(buf), from, fmt, args)
278 string_enum_compare(const char *str1
, const char *str2
, int len
)
282 #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.')
284 /* Diff-Header == DIFF_HEADER */
285 for (i
= 0; i
< len
; i
++) {
286 if (toupper(str1
[i
]) == toupper(str2
[i
]))
289 if (string_enum_sep(str1
[i
]) &&
290 string_enum_sep(str2
[i
]))
293 return str1
[i
] - str2
[i
];
299 #define enum_equals(entry, str, len) \
300 ((entry).namelen == (len) && !string_enum_compare((entry).name, str, len))
308 #define ENUM_MAP(name, value) { name, STRING_SIZE(name), value }
311 enum_map_name(const char *name
, size_t namelen
)
313 static char buf
[SIZEOF_STR
];
316 for (bufpos
= 0; bufpos
<= namelen
; bufpos
++) {
317 buf
[bufpos
] = tolower(name
[bufpos
]);
318 if (buf
[bufpos
] == '_')
326 #define enum_name(entry) enum_map_name((entry).name, (entry).namelen)
329 map_enum_do(const struct enum_map
*map
, size_t map_size
, int *value
, const char *name
)
331 size_t namelen
= strlen(name
);
334 for (i
= 0; i
< map_size
; i
++)
335 if (enum_equals(map
[i
], name
, namelen
)) {
336 *value
= map
[i
].value
;
343 #define map_enum(attr, map, name) \
344 map_enum_do(map, ARRAY_SIZE(map), attr, name)
346 #define prefixcmp(str1, str2) \
347 strncmp(str1, str2, STRING_SIZE(str2))
350 suffixcmp(const char *str
, int slen
, const char *suffix
)
352 size_t len
= slen
>= 0 ? slen
: strlen(str
);
353 size_t suffixlen
= strlen(suffix
);
355 return suffixlen
< len
? strcmp(str
+ len
- suffixlen
, suffix
) : -1;
360 * Unicode / UTF-8 handling
362 * NOTE: Much of the following code for dealing with Unicode is derived from
363 * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is
364 * src/intl/charset.c from the UTF-8 branch commit elinks-0.11.0-g31f2c28.
368 unicode_width(unsigned long c
, int tab_size
)
371 (c
<= 0x115f /* Hangul Jamo */
374 || (c
>= 0x2e80 && c
<= 0xa4cf && c
!= 0x303f)
376 || (c
>= 0xac00 && c
<= 0xd7a3) /* Hangul Syllables */
377 || (c
>= 0xf900 && c
<= 0xfaff) /* CJK Compatibility Ideographs */
378 || (c
>= 0xfe30 && c
<= 0xfe6f) /* CJK Compatibility Forms */
379 || (c
>= 0xff00 && c
<= 0xff60) /* Fullwidth Forms */
380 || (c
>= 0xffe0 && c
<= 0xffe6)
381 || (c
>= 0x20000 && c
<= 0x2fffd)
382 || (c
>= 0x30000 && c
<= 0x3fffd)))
391 /* Number of bytes used for encoding a UTF-8 character indexed by first byte.
392 * Illegal bytes are set one. */
393 static const unsigned char utf8_bytes
[256] = {
394 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
395 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
396 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
397 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
398 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
399 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
400 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,
401 3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 5,5,5,5,6,6,1,1,
404 static inline unsigned char
405 utf8_char_length(const char *string
, const char *end
)
407 int c
= *(unsigned char *) string
;
409 return utf8_bytes
[c
];
412 /* Decode UTF-8 multi-byte representation into a Unicode character. */
413 static inline unsigned long
414 utf8_to_unicode(const char *string
, size_t length
)
416 unsigned long unicode
;
423 unicode
= (string
[0] & 0x1f) << 6;
424 unicode
+= (string
[1] & 0x3f);
427 unicode
= (string
[0] & 0x0f) << 12;
428 unicode
+= ((string
[1] & 0x3f) << 6);
429 unicode
+= (string
[2] & 0x3f);
432 unicode
= (string
[0] & 0x0f) << 18;
433 unicode
+= ((string
[1] & 0x3f) << 12);
434 unicode
+= ((string
[2] & 0x3f) << 6);
435 unicode
+= (string
[3] & 0x3f);
438 unicode
= (string
[0] & 0x0f) << 24;
439 unicode
+= ((string
[1] & 0x3f) << 18);
440 unicode
+= ((string
[2] & 0x3f) << 12);
441 unicode
+= ((string
[3] & 0x3f) << 6);
442 unicode
+= (string
[4] & 0x3f);
445 unicode
= (string
[0] & 0x01) << 30;
446 unicode
+= ((string
[1] & 0x3f) << 24);
447 unicode
+= ((string
[2] & 0x3f) << 18);
448 unicode
+= ((string
[3] & 0x3f) << 12);
449 unicode
+= ((string
[4] & 0x3f) << 6);
450 unicode
+= (string
[5] & 0x3f);
456 /* Invalid characters could return the special 0xfffd value but NUL
457 * should be just as good. */
458 return unicode
> 0xffff ? 0 : unicode
;
461 /* Calculates how much of string can be shown within the given maximum width
462 * and sets trimmed parameter to non-zero value if all of string could not be
463 * shown. If the reserve flag is TRUE, it will reserve at least one
464 * trailing character, which can be useful when drawing a delimiter.
466 * Returns the number of bytes to output from string to satisfy max_width. */
468 utf8_length(const char **start
, size_t skip
, int *width
, size_t max_width
, int *trimmed
, bool reserve
, int tab_size
)
470 const char *string
= *start
;
471 const char *end
= strchr(string
, '\0');
472 unsigned char last_bytes
= 0;
473 size_t last_ucwidth
= 0;
478 while (string
< end
) {
479 unsigned char bytes
= utf8_char_length(string
, end
);
481 unsigned long unicode
;
483 if (string
+ bytes
> end
)
486 /* Change representation to figure out whether
487 * it is a single- or double-width character. */
489 unicode
= utf8_to_unicode(string
, bytes
);
490 /* FIXME: Graceful handling of invalid Unicode character. */
494 ucwidth
= unicode_width(unicode
, tab_size
);
496 skip
-= ucwidth
<= skip
? ucwidth
: skip
;
500 if (*width
> max_width
) {
503 if (reserve
&& *width
== max_width
) {
504 string
-= last_bytes
;
505 *width
-= last_ucwidth
;
511 last_bytes
= ucwidth
? bytes
: 0;
512 last_ucwidth
= ucwidth
;
515 return string
- *start
;
527 #define DATE_(name) DATE_##name
532 static const struct enum_map date_map
[] = {
533 #define DATE_(name) ENUM_MAP(#name, DATE_##name)
543 static inline int timecmp(const struct time
*t1
, const struct time
*t2
)
545 return t1
->sec
- t2
->sec
;
549 mkdate(const struct time
*time
, enum date date
)
551 static char buf
[DATE_COLS
+ 1];
552 static const struct enum_map reldate
[] = {
553 { "second", 1, 60 * 2 },
554 { "minute", 60, 60 * 60 * 2 },
555 { "hour", 60 * 60, 60 * 60 * 24 * 2 },
556 { "day", 60 * 60 * 24, 60 * 60 * 24 * 7 * 2 },
557 { "week", 60 * 60 * 24 * 7, 60 * 60 * 24 * 7 * 5 },
558 { "month", 60 * 60 * 24 * 30, 60 * 60 * 24 * 30 * 12 },
562 if (!date
|| !time
|| !time
->sec
)
565 if (date
== DATE_RELATIVE
) {
567 time_t date
= time
->sec
+ time
->tz
;
571 gettimeofday(&now
, NULL
);
572 seconds
= now
.tv_sec
< date
? date
- now
.tv_sec
: now
.tv_sec
- date
;
573 for (i
= 0; i
< ARRAY_SIZE(reldate
); i
++) {
574 if (seconds
>= reldate
[i
].value
)
577 seconds
/= reldate
[i
].namelen
;
578 if (!string_format(buf
, "%ld %s%s %s",
579 seconds
, reldate
[i
].name
,
580 seconds
> 1 ? "s" : "",
581 now
.tv_sec
>= date
? "ago" : "ahead"))
587 if (date
== DATE_LOCAL
) {
588 time_t date
= time
->sec
+ time
->tz
;
589 localtime_r(&date
, &tm
);
592 gmtime_r(&time
->sec
, &tm
);
594 return strftime(buf
, sizeof(buf
), DATE_FORMAT
, &tm
) ? buf
: NULL
;
598 #define AUTHOR_VALUES \
604 #define AUTHOR_(name) AUTHOR_##name
607 AUTHOR_DEFAULT
= AUTHOR_FULL
610 static const struct enum_map author_map
[] = {
611 #define AUTHOR_(name) ENUM_MAP(#name, AUTHOR_##name)
617 get_author_initials(const char *author
)
619 static char initials
[AUTHOR_COLS
* 6 + 1];
621 const char *end
= strchr(author
, '\0');
623 #define is_initial_sep(c) (isspace(c) || ispunct(c) || (c) == '@' || (c) == '-')
625 memset(initials
, 0, sizeof(initials
));
626 while (author
< end
) {
630 while (is_initial_sep(*author
))
633 bytes
= utf8_char_length(author
, end
);
634 if (bytes
< sizeof(initials
) - 1 - pos
) {
636 initials
[pos
++] = *author
++;
640 for (i
= pos
; author
< end
&& !is_initial_sep(*author
); author
++) {
641 if (i
< sizeof(initials
) - 1)
642 initials
[i
++] = *author
;
653 argv_from_string(const char *argv
[SIZEOF_ARG
], int *argc
, char *cmd
)
657 while (*cmd
&& *argc
< SIZEOF_ARG
&& (valuelen
= strcspn(cmd
, " \t"))) {
658 bool advance
= cmd
[valuelen
] != 0;
661 argv
[(*argc
)++] = chomp_string(cmd
);
662 cmd
= chomp_string(cmd
+ valuelen
+ advance
);
665 if (*argc
< SIZEOF_ARG
)
667 return *argc
< SIZEOF_ARG
;
671 argv_from_env(const char **argv
, const char *name
)
673 char *env
= argv
? getenv(name
) : NULL
;
678 return !env
|| argv_from_string(argv
, &argc
, env
);
683 * Executing external commands.
687 IO_FD
, /* File descriptor based IO. */
688 IO_BG
, /* Execute command in the background. */
689 IO_FG
, /* Execute command with same std{in,out,err}. */
690 IO_RD
, /* Read only fork+exec IO. */
691 IO_WR
, /* Write only fork+exec IO. */
692 IO_AP
, /* Append fork+exec output to file. */
696 enum io_type type
; /* The requested type of pipe. */
697 const char *dir
; /* Directory from which to execute. */
698 pid_t pid
; /* PID of spawned process. */
699 int pipe
; /* Pipe end for reading or writing. */
700 int error
; /* Error status. */
701 const char *argv
[SIZEOF_ARG
]; /* Shell command arguments. */
702 char *buf
; /* Read buffer. */
703 size_t bufalloc
; /* Allocated buffer size. */
704 size_t bufsize
; /* Buffer content size. */
705 char *bufpos
; /* Current buffer position. */
706 unsigned int eof
:1; /* Has end of file been reached. */
710 io_reset(struct io
*io
)
714 io
->buf
= io
->bufpos
= NULL
;
715 io
->bufalloc
= io
->bufsize
= 0;
721 io_init(struct io
*io
, const char *dir
, enum io_type type
)
729 io_format(struct io
*io
, const char *dir
, enum io_type type
,
730 const char *argv
[], enum format_flags flags
)
732 io_init(io
, dir
, type
);
733 return format_argv(io
->argv
, argv
, flags
);
737 io_open(struct io
*io
, const char *fmt
, ...)
739 char name
[SIZEOF_STR
] = "";
743 io_init(io
, NULL
, IO_FD
);
746 fits
= vsnprintf(name
, sizeof(name
), fmt
, args
) < sizeof(name
);
750 io
->error
= ENAMETOOLONG
;
753 io
->pipe
= *name
? open(name
, O_RDONLY
) : STDIN_FILENO
;
756 return io
->pipe
!= -1;
760 io_kill(struct io
*io
)
762 return io
->pid
== 0 || kill(io
->pid
, SIGKILL
) != -1;
766 io_done(struct io
*io
)
777 pid_t waiting
= waitpid(pid
, &status
, 0);
786 return waiting
== pid
&&
787 !WIFSIGNALED(status
) &&
789 !WEXITSTATUS(status
);
796 io_start(struct io
*io
)
798 int pipefds
[2] = { -1, -1 };
800 if (io
->type
== IO_FD
)
803 if ((io
->type
== IO_RD
|| io
->type
== IO_WR
) && pipe(pipefds
) < 0) {
806 } else if (io
->type
== IO_AP
) {
807 pipefds
[1] = io
->pipe
;
810 if ((io
->pid
= fork())) {
813 if (pipefds
[!(io
->type
== IO_WR
)] != -1)
814 close(pipefds
[!(io
->type
== IO_WR
)]);
816 io
->pipe
= pipefds
[!!(io
->type
== IO_WR
)];
821 if (io
->type
!= IO_FG
) {
822 int devnull
= open("/dev/null", O_RDWR
);
823 int readfd
= io
->type
== IO_WR
? pipefds
[0] : devnull
;
824 int writefd
= (io
->type
== IO_RD
|| io
->type
== IO_AP
)
825 ? pipefds
[1] : devnull
;
827 dup2(readfd
, STDIN_FILENO
);
828 dup2(writefd
, STDOUT_FILENO
);
829 dup2(devnull
, STDERR_FILENO
);
832 if (pipefds
[0] != -1)
834 if (pipefds
[1] != -1)
838 if (io
->dir
&& *io
->dir
&& chdir(io
->dir
) == -1)
841 execvp(io
->argv
[0], (char *const*) io
->argv
);
845 if (pipefds
[!!(io
->type
== IO_WR
)] != -1)
846 close(pipefds
[!!(io
->type
== IO_WR
)]);
851 io_run(struct io
*io
, const char **argv
, const char *dir
, enum io_type type
)
853 io_init(io
, dir
, type
);
854 if (!format_argv(io
->argv
, argv
, FORMAT_NONE
))
860 io_complete(struct io
*io
)
862 return io_start(io
) && io_done(io
);
866 io_run_bg(const char **argv
)
870 if (!io_format(&io
, NULL
, IO_BG
, argv
, FORMAT_NONE
))
872 return io_complete(&io
);
876 io_run_fg(const char **argv
, const char *dir
)
880 if (!io_format(&io
, dir
, IO_FG
, argv
, FORMAT_NONE
))
882 return io_complete(&io
);
886 io_run_append(const char **argv
, enum format_flags flags
, int fd
)
890 if (!io_format(&io
, NULL
, IO_AP
, argv
, flags
)) {
896 return io_complete(&io
);
900 io_run_rd(struct io
*io
, const char **argv
, const char *dir
, enum format_flags flags
)
902 return io_format(io
, dir
, IO_RD
, argv
, flags
) && io_start(io
);
906 io_eof(struct io
*io
)
912 io_error(struct io
*io
)
918 io_strerror(struct io
*io
)
920 return strerror(io
->error
);
924 io_can_read(struct io
*io
)
926 struct timeval tv
= { 0, 500 };
930 FD_SET(io
->pipe
, &fds
);
932 return select(io
->pipe
+ 1, &fds
, NULL
, NULL
, &tv
) > 0;
936 io_read(struct io
*io
, void *buf
, size_t bufsize
)
939 ssize_t readsize
= read(io
->pipe
, buf
, bufsize
);
941 if (readsize
< 0 && (errno
== EAGAIN
|| errno
== EINTR
))
943 else if (readsize
== -1)
945 else if (readsize
== 0)
951 DEFINE_ALLOCATOR(io_realloc_buf
, char, BUFSIZ
)
954 io_get(struct io
*io
, int c
, bool can_read
)
960 if (io
->bufsize
> 0) {
961 eol
= memchr(io
->bufpos
, c
, io
->bufsize
);
963 char *line
= io
->bufpos
;
966 io
->bufpos
= eol
+ 1;
967 io
->bufsize
-= io
->bufpos
- line
;
974 io
->bufpos
[io
->bufsize
] = 0;
984 if (io
->bufsize
> 0 && io
->bufpos
> io
->buf
)
985 memmove(io
->buf
, io
->bufpos
, io
->bufsize
);
987 if (io
->bufalloc
== io
->bufsize
) {
988 if (!io_realloc_buf(&io
->buf
, io
->bufalloc
, BUFSIZ
))
990 io
->bufalloc
+= BUFSIZ
;
993 io
->bufpos
= io
->buf
;
994 readsize
= io_read(io
, io
->buf
+ io
->bufsize
, io
->bufalloc
- io
->bufsize
);
997 io
->bufsize
+= readsize
;
1002 io_write(struct io
*io
, const void *buf
, size_t bufsize
)
1006 while (!io_error(io
) && written
< bufsize
) {
1009 size
= write(io
->pipe
, buf
+ written
, bufsize
- written
);
1010 if (size
< 0 && (errno
== EAGAIN
|| errno
== EINTR
))
1012 else if (size
== -1)
1018 return written
== bufsize
;
1022 io_read_buf(struct io
*io
, char buf
[], size_t bufsize
)
1024 char *result
= io_get(io
, '\n', TRUE
);
1027 result
= chomp_string(result
);
1028 string_ncopy_do(buf
, bufsize
, result
, strlen(result
));
1031 return io_done(io
) && result
;
1035 io_run_buf(const char **argv
, char buf
[], size_t bufsize
)
1039 return io_run_rd(&io
, argv
, NULL
, FORMAT_NONE
)
1040 && io_read_buf(&io
, buf
, bufsize
);
1044 io_load(struct io
*io
, const char *separators
,
1045 int (*read_property
)(char *, size_t, char *, size_t))
1053 while (state
== OK
&& (name
= io_get(io
, '\n', TRUE
))) {
1058 name
= chomp_string(name
);
1059 namelen
= strcspn(name
, separators
);
1061 if (name
[namelen
]) {
1063 value
= chomp_string(name
+ namelen
+ 1);
1064 valuelen
= strlen(value
);
1071 state
= read_property(name
, namelen
, value
, valuelen
);
1074 if (state
!= ERR
&& io_error(io
))
1082 io_run_load(const char **argv
, const char *separators
,
1083 int (*read_property
)(char *, size_t, char *, size_t))
1087 return io_format(&io
, NULL
, IO_RD
, argv
, FORMAT_NONE
)
1088 ? io_load(&io
, separators
, read_property
) : ERR
;
1097 /* XXX: Keep the view request first and in sync with views[]. */ \
1098 REQ_GROUP("View switching") \
1099 REQ_(VIEW_MAIN, "Show main view"), \
1100 REQ_(VIEW_DIFF, "Show diff view"), \
1101 REQ_(VIEW_LOG, "Show log view"), \
1102 REQ_(VIEW_TREE, "Show tree view"), \
1103 REQ_(VIEW_BLOB, "Show blob view"), \
1104 REQ_(VIEW_BLAME, "Show blame view"), \
1105 REQ_(VIEW_BRANCH, "Show branch view"), \
1106 REQ_(VIEW_HELP, "Show help page"), \
1107 REQ_(VIEW_PAGER, "Show pager view"), \
1108 REQ_(VIEW_STATUS, "Show status view"), \
1109 REQ_(VIEW_STAGE, "Show stage view"), \
1111 REQ_GROUP("View manipulation") \
1112 REQ_(ENTER, "Enter current line and scroll"), \
1113 REQ_(NEXT, "Move to next"), \
1114 REQ_(PREVIOUS, "Move to previous"), \
1115 REQ_(PARENT, "Move to parent"), \
1116 REQ_(VIEW_NEXT, "Move focus to next view"), \
1117 REQ_(REFRESH, "Reload and refresh"), \
1118 REQ_(MAXIMIZE, "Maximize the current view"), \
1119 REQ_(VIEW_CLOSE, "Close the current view"), \
1120 REQ_(QUIT, "Close all views and quit"), \
1122 REQ_GROUP("View specific requests") \
1123 REQ_(STATUS_UPDATE, "Update file status"), \
1124 REQ_(STATUS_REVERT, "Revert file changes"), \
1125 REQ_(STATUS_MERGE, "Merge file using external tool"), \
1126 REQ_(STAGE_NEXT, "Find next chunk to stage"), \
1128 REQ_GROUP("Cursor navigation") \
1129 REQ_(MOVE_UP, "Move cursor one line up"), \
1130 REQ_(MOVE_DOWN, "Move cursor one line down"), \
1131 REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \
1132 REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \
1133 REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \
1134 REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \
1136 REQ_GROUP("Scrolling") \
1137 REQ_(SCROLL_LEFT, "Scroll two columns left"), \
1138 REQ_(SCROLL_RIGHT, "Scroll two columns right"), \
1139 REQ_(SCROLL_LINE_UP, "Scroll one line up"), \
1140 REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \
1141 REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \
1142 REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \
1144 REQ_GROUP("Searching") \
1145 REQ_(SEARCH, "Search the view"), \
1146 REQ_(SEARCH_BACK, "Search backwards in the view"), \
1147 REQ_(FIND_NEXT, "Find next search match"), \
1148 REQ_(FIND_PREV, "Find previous search match"), \
1150 REQ_GROUP("Option manipulation") \
1151 REQ_(OPTIONS, "Open option menu"), \
1152 REQ_(TOGGLE_LINENO, "Toggle line numbers"), \
1153 REQ_(TOGGLE_DATE, "Toggle date display"), \
1154 REQ_(TOGGLE_DATE_SHORT, "Toggle short (date-only) dates"), \
1155 REQ_(TOGGLE_AUTHOR, "Toggle author display"), \
1156 REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \
1157 REQ_(TOGGLE_REFS, "Toggle reference display (tags/branches)"), \
1158 REQ_(TOGGLE_SORT_ORDER, "Toggle ascending/descending sort order"), \
1159 REQ_(TOGGLE_SORT_FIELD, "Toggle field to sort by"), \
1162 REQ_(PROMPT, "Bring up the prompt"), \
1163 REQ_(SCREEN_REDRAW, "Redraw the screen"), \
1164 REQ_(SHOW_VERSION, "Show version information"), \
1165 REQ_(STOP_LOADING, "Stop all loading views"), \
1166 REQ_(EDIT, "Open in editor"), \
1167 REQ_(NONE, "Do nothing")
1170 /* User action requests. */
1172 #define REQ_GROUP(help)
1173 #define REQ_(req, help) REQ_##req
1175 /* Offset all requests to avoid conflicts with ncurses getch values. */
1176 REQ_UNKNOWN
= KEY_MAX
+ 1,
1184 struct request_info
{
1185 enum request request
;
1191 static const struct request_info req_info
[] = {
1192 #define REQ_GROUP(help) { 0, NULL, 0, (help) },
1193 #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) }
1200 get_request(const char *name
)
1202 int namelen
= strlen(name
);
1205 for (i
= 0; i
< ARRAY_SIZE(req_info
); i
++)
1206 if (enum_equals(req_info
[i
], name
, namelen
))
1207 return req_info
[i
].request
;
1217 /* Option and state variables. */
1218 static enum date opt_date
= DATE_DEFAULT
;
1219 static enum author opt_author
= AUTHOR_DEFAULT
;
1220 static bool opt_line_number
= FALSE
;
1221 static bool opt_line_graphics
= TRUE
;
1222 static bool opt_rev_graph
= FALSE
;
1223 static bool opt_show_refs
= TRUE
;
1224 static int opt_num_interval
= 5;
1225 static double opt_hscroll
= 0.50;
1226 static double opt_scale_split_view
= 2.0 / 3.0;
1227 static int opt_tab_size
= 8;
1228 static int opt_author_cols
= AUTHOR_COLS
;
1229 static char opt_path
[SIZEOF_STR
] = "";
1230 static char opt_file
[SIZEOF_STR
] = "";
1231 static char opt_ref
[SIZEOF_REF
] = "";
1232 static char opt_head
[SIZEOF_REF
] = "";
1233 static char opt_remote
[SIZEOF_REF
] = "";
1234 static char opt_encoding
[20] = "UTF-8";
1235 static iconv_t opt_iconv_in
= ICONV_NONE
;
1236 static iconv_t opt_iconv_out
= ICONV_NONE
;
1237 static char opt_search
[SIZEOF_STR
] = "";
1238 static char opt_cdup
[SIZEOF_STR
] = "";
1239 static char opt_prefix
[SIZEOF_STR
] = "";
1240 static char opt_git_dir
[SIZEOF_STR
] = "";
1241 static signed char opt_is_inside_work_tree
= -1; /* set to TRUE or FALSE */
1242 static char opt_editor
[SIZEOF_STR
] = "";
1243 static FILE *opt_tty
= NULL
;
1245 #define is_initial_commit() (!get_ref_head())
1246 #define is_head_commit(rev) (!strcmp((rev), "HEAD") || (get_ref_head() && !strcmp(rev, get_ref_head()->id)))
1250 * Line-oriented content detection.
1254 LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1255 LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1256 LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \
1257 LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \
1258 LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \
1259 LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1260 LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1261 LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1262 LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1263 LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1264 LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1265 LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1266 LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1267 LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
1268 LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \
1269 LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1270 LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \
1271 LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1272 LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1273 LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1274 LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \
1275 LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \
1276 LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \
1277 LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
1278 LINE(AUTHOR, "author ", COLOR_GREEN, COLOR_DEFAULT, 0), \
1279 LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1280 LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1281 LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1282 LINE(TESTED, " Tested-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1283 LINE(REVIEWED, " Reviewed-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1284 LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
1285 LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \
1286 LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
1287 LINE(DELIMITER, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1288 LINE(DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \
1289 LINE(MODE, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
1290 LINE(LINE_NUMBER, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
1291 LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \
1292 LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \
1293 LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
1294 LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \
1295 LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1296 LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1297 LINE(MAIN_TRACKED, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \
1298 LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
1299 LINE(MAIN_HEAD, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \
1300 LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1301 LINE(TREE_HEAD, "", COLOR_DEFAULT, COLOR_DEFAULT, A_BOLD), \
1302 LINE(TREE_DIR, "", COLOR_YELLOW, COLOR_DEFAULT, A_NORMAL), \
1303 LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
1304 LINE(STAT_HEAD, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
1305 LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
1306 LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
1307 LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1308 LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1309 LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1310 LINE(HELP_KEYMAP, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
1311 LINE(HELP_GROUP, "", COLOR_BLUE, COLOR_DEFAULT, 0), \
1312 LINE(BLAME_ID, "", COLOR_MAGENTA, COLOR_DEFAULT, 0)
1315 #define LINE(type, line, fg, bg, attr) \
1323 const char *name
; /* Option name. */
1324 int namelen
; /* Size of option name. */
1325 const char *line
; /* The start of line to match. */
1326 int linelen
; /* Size of string to match. */
1327 int fg
, bg
, attr
; /* Color and text attributes for the lines. */
1330 static struct line_info line_info
[] = {
1331 #define LINE(type, line, fg, bg, attr) \
1332 { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) }
1337 static enum line_type
1338 get_line_type(const char *line
)
1340 int linelen
= strlen(line
);
1341 enum line_type type
;
1343 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++)
1344 /* Case insensitive search matches Signed-off-by lines better. */
1345 if (linelen
>= line_info
[type
].linelen
&&
1346 !strncasecmp(line_info
[type
].line
, line
, line_info
[type
].linelen
))
1349 return LINE_DEFAULT
;
1353 get_line_attr(enum line_type type
)
1355 assert(type
< ARRAY_SIZE(line_info
));
1356 return COLOR_PAIR(type
) | line_info
[type
].attr
;
1359 static struct line_info
*
1360 get_line_info(const char *name
)
1362 size_t namelen
= strlen(name
);
1363 enum line_type type
;
1365 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++)
1366 if (enum_equals(line_info
[type
], name
, namelen
))
1367 return &line_info
[type
];
1375 int default_bg
= line_info
[LINE_DEFAULT
].bg
;
1376 int default_fg
= line_info
[LINE_DEFAULT
].fg
;
1377 enum line_type type
;
1381 if (assume_default_colors(default_fg
, default_bg
) == ERR
) {
1382 default_bg
= COLOR_BLACK
;
1383 default_fg
= COLOR_WHITE
;
1386 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++) {
1387 struct line_info
*info
= &line_info
[type
];
1388 int bg
= info
->bg
== COLOR_DEFAULT
? default_bg
: info
->bg
;
1389 int fg
= info
->fg
== COLOR_DEFAULT
? default_fg
: info
->fg
;
1391 init_pair(type
, fg
, bg
);
1396 enum line_type type
;
1399 unsigned int selected
:1;
1400 unsigned int dirty
:1;
1401 unsigned int cleareol
:1;
1402 unsigned int other
:16;
1404 void *data
; /* User data */
1414 enum request request
;
1417 static struct keybinding default_keybindings
[] = {
1418 /* View switching */
1419 { 'm', REQ_VIEW_MAIN
},
1420 { 'd', REQ_VIEW_DIFF
},
1421 { 'l', REQ_VIEW_LOG
},
1422 { 't', REQ_VIEW_TREE
},
1423 { 'f', REQ_VIEW_BLOB
},
1424 { 'B', REQ_VIEW_BLAME
},
1425 { 'H', REQ_VIEW_BRANCH
},
1426 { 'p', REQ_VIEW_PAGER
},
1427 { 'h', REQ_VIEW_HELP
},
1428 { 'S', REQ_VIEW_STATUS
},
1429 { 'c', REQ_VIEW_STAGE
},
1431 /* View manipulation */
1432 { 'q', REQ_VIEW_CLOSE
},
1433 { KEY_TAB
, REQ_VIEW_NEXT
},
1434 { KEY_RETURN
, REQ_ENTER
},
1435 { KEY_UP
, REQ_PREVIOUS
},
1436 { KEY_DOWN
, REQ_NEXT
},
1437 { 'R', REQ_REFRESH
},
1438 { KEY_F(5), REQ_REFRESH
},
1439 { 'O', REQ_MAXIMIZE
},
1441 /* Cursor navigation */
1442 { 'k', REQ_MOVE_UP
},
1443 { 'j', REQ_MOVE_DOWN
},
1444 { KEY_HOME
, REQ_MOVE_FIRST_LINE
},
1445 { KEY_END
, REQ_MOVE_LAST_LINE
},
1446 { KEY_NPAGE
, REQ_MOVE_PAGE_DOWN
},
1447 { ' ', REQ_MOVE_PAGE_DOWN
},
1448 { KEY_PPAGE
, REQ_MOVE_PAGE_UP
},
1449 { 'b', REQ_MOVE_PAGE_UP
},
1450 { '-', REQ_MOVE_PAGE_UP
},
1453 { KEY_LEFT
, REQ_SCROLL_LEFT
},
1454 { KEY_RIGHT
, REQ_SCROLL_RIGHT
},
1455 { KEY_IC
, REQ_SCROLL_LINE_UP
},
1456 { KEY_DC
, REQ_SCROLL_LINE_DOWN
},
1457 { 'w', REQ_SCROLL_PAGE_UP
},
1458 { 's', REQ_SCROLL_PAGE_DOWN
},
1461 { '/', REQ_SEARCH
},
1462 { '?', REQ_SEARCH_BACK
},
1463 { 'n', REQ_FIND_NEXT
},
1464 { 'N', REQ_FIND_PREV
},
1468 { 'z', REQ_STOP_LOADING
},
1469 { 'v', REQ_SHOW_VERSION
},
1470 { 'r', REQ_SCREEN_REDRAW
},
1471 { 'o', REQ_OPTIONS
},
1472 { '.', REQ_TOGGLE_LINENO
},
1473 { 'D', REQ_TOGGLE_DATE
},
1474 { 'A', REQ_TOGGLE_AUTHOR
},
1475 { 'g', REQ_TOGGLE_REV_GRAPH
},
1476 { 'F', REQ_TOGGLE_REFS
},
1477 { 'I', REQ_TOGGLE_SORT_ORDER
},
1478 { 'i', REQ_TOGGLE_SORT_FIELD
},
1479 { ':', REQ_PROMPT
},
1480 { 'u', REQ_STATUS_UPDATE
},
1481 { '!', REQ_STATUS_REVERT
},
1482 { 'M', REQ_STATUS_MERGE
},
1483 { '@', REQ_STAGE_NEXT
},
1484 { ',', REQ_PARENT
},
1488 #define KEYMAP_INFO \
1503 #define KEYMAP_(name) KEYMAP_##name
1508 static const struct enum_map keymap_table
[] = {
1509 #define KEYMAP_(name) ENUM_MAP(#name, KEYMAP_##name)
1514 #define set_keymap(map, name) map_enum(map, keymap_table, name)
1516 struct keybinding_table
{
1517 struct keybinding
*data
;
1521 static struct keybinding_table keybindings
[ARRAY_SIZE(keymap_table
)];
1524 add_keybinding(enum keymap keymap
, enum request request
, int key
)
1526 struct keybinding_table
*table
= &keybindings
[keymap
];
1529 for (i
= 0; i
< keybindings
[keymap
].size
; i
++) {
1530 if (keybindings
[keymap
].data
[i
].alias
== key
) {
1531 keybindings
[keymap
].data
[i
].request
= request
;
1536 table
->data
= realloc(table
->data
, (table
->size
+ 1) * sizeof(*table
->data
));
1538 die("Failed to allocate keybinding");
1539 table
->data
[table
->size
].alias
= key
;
1540 table
->data
[table
->size
++].request
= request
;
1542 if (request
== REQ_NONE
&& keymap
== KEYMAP_GENERIC
) {
1545 for (i
= 0; i
< ARRAY_SIZE(default_keybindings
); i
++)
1546 if (default_keybindings
[i
].alias
== key
)
1547 default_keybindings
[i
].request
= REQ_NONE
;
1551 /* Looks for a key binding first in the given map, then in the generic map, and
1552 * lastly in the default keybindings. */
1554 get_keybinding(enum keymap keymap
, int key
)
1558 for (i
= 0; i
< keybindings
[keymap
].size
; i
++)
1559 if (keybindings
[keymap
].data
[i
].alias
== key
)
1560 return keybindings
[keymap
].data
[i
].request
;
1562 for (i
= 0; i
< keybindings
[KEYMAP_GENERIC
].size
; i
++)
1563 if (keybindings
[KEYMAP_GENERIC
].data
[i
].alias
== key
)
1564 return keybindings
[KEYMAP_GENERIC
].data
[i
].request
;
1566 for (i
= 0; i
< ARRAY_SIZE(default_keybindings
); i
++)
1567 if (default_keybindings
[i
].alias
== key
)
1568 return default_keybindings
[i
].request
;
1570 return (enum request
) key
;
1579 static const struct key key_table
[] = {
1580 { "Enter", KEY_RETURN
},
1582 { "Backspace", KEY_BACKSPACE
},
1584 { "Escape", KEY_ESC
},
1585 { "Left", KEY_LEFT
},
1586 { "Right", KEY_RIGHT
},
1588 { "Down", KEY_DOWN
},
1589 { "Insert", KEY_IC
},
1590 { "Delete", KEY_DC
},
1592 { "Home", KEY_HOME
},
1594 { "PageUp", KEY_PPAGE
},
1595 { "PageDown", KEY_NPAGE
},
1605 { "F10", KEY_F(10) },
1606 { "F11", KEY_F(11) },
1607 { "F12", KEY_F(12) },
1611 get_key_value(const char *name
)
1615 for (i
= 0; i
< ARRAY_SIZE(key_table
); i
++)
1616 if (!strcasecmp(key_table
[i
].name
, name
))
1617 return key_table
[i
].value
;
1619 if (strlen(name
) == 1 && isprint(*name
))
1626 get_key_name(int key_value
)
1628 static char key_char
[] = "'X'";
1629 const char *seq
= NULL
;
1632 for (key
= 0; key
< ARRAY_SIZE(key_table
); key
++)
1633 if (key_table
[key
].value
== key_value
)
1634 seq
= key_table
[key
].name
;
1638 isprint(key_value
)) {
1639 key_char
[1] = (char) key_value
;
1643 return seq
? seq
: "(no key)";
1647 append_key(char *buf
, size_t *pos
, const struct keybinding
*keybinding
)
1649 const char *sep
= *pos
> 0 ? ", " : "";
1650 const char *keyname
= get_key_name(keybinding
->alias
);
1652 return string_nformat(buf
, BUFSIZ
, pos
, "%s%s", sep
, keyname
);
1656 append_keymap_request_keys(char *buf
, size_t *pos
, enum request request
,
1657 enum keymap keymap
, bool all
)
1661 for (i
= 0; i
< keybindings
[keymap
].size
; i
++) {
1662 if (keybindings
[keymap
].data
[i
].request
== request
) {
1663 if (!append_key(buf
, pos
, &keybindings
[keymap
].data
[i
]))
1673 #define get_key(keymap, request) get_keys(keymap, request, FALSE)
1676 get_keys(enum keymap keymap
, enum request request
, bool all
)
1678 static char buf
[BUFSIZ
];
1684 if (!append_keymap_request_keys(buf
, &pos
, request
, keymap
, all
))
1685 return "Too many keybindings!";
1686 if (pos
> 0 && !all
)
1689 if (keymap
!= KEYMAP_GENERIC
) {
1690 /* Only the generic keymap includes the default keybindings when
1691 * listing all keys. */
1695 if (!append_keymap_request_keys(buf
, &pos
, request
, KEYMAP_GENERIC
, all
))
1696 return "Too many keybindings!";
1701 for (i
= 0; i
< ARRAY_SIZE(default_keybindings
); i
++) {
1702 if (default_keybindings
[i
].request
== request
) {
1703 if (!append_key(buf
, &pos
, &default_keybindings
[i
]))
1704 return "Too many keybindings!";
1713 struct run_request
{
1716 const char *argv
[SIZEOF_ARG
];
1719 static struct run_request
*run_request
;
1720 static size_t run_requests
;
1722 DEFINE_ALLOCATOR(realloc_run_requests
, struct run_request
, 8)
1725 add_run_request(enum keymap keymap
, int key
, int argc
, const char **argv
)
1727 struct run_request
*req
;
1729 if (argc
>= ARRAY_SIZE(req
->argv
) - 1)
1732 if (!realloc_run_requests(&run_request
, run_requests
, 1))
1735 req
= &run_request
[run_requests
];
1736 req
->keymap
= keymap
;
1738 req
->argv
[0] = NULL
;
1740 if (!format_argv(req
->argv
, argv
, FORMAT_NONE
))
1743 return REQ_NONE
+ ++run_requests
;
1746 static struct run_request
*
1747 get_run_request(enum request request
)
1749 if (request
<= REQ_NONE
)
1751 return &run_request
[request
- REQ_NONE
- 1];
1755 add_builtin_run_requests(void)
1757 const char *cherry_pick
[] = { "git", "cherry-pick", "%(commit)", NULL
};
1758 const char *checkout
[] = { "git", "checkout", "%(branch)", NULL
};
1759 const char *commit
[] = { "git", "commit", NULL
};
1760 const char *gc
[] = { "git", "gc", NULL
};
1767 { KEYMAP_MAIN
, 'C', ARRAY_SIZE(cherry_pick
) - 1, cherry_pick
},
1768 { KEYMAP_STATUS
, 'C', ARRAY_SIZE(commit
) - 1, commit
},
1769 { KEYMAP_BRANCH
, 'C', ARRAY_SIZE(checkout
) - 1, checkout
},
1770 { KEYMAP_GENERIC
, 'G', ARRAY_SIZE(gc
) - 1, gc
},
1774 for (i
= 0; i
< ARRAY_SIZE(reqs
); i
++) {
1775 enum request req
= get_keybinding(reqs
[i
].keymap
, reqs
[i
].key
);
1777 if (req
!= reqs
[i
].key
)
1779 req
= add_run_request(reqs
[i
].keymap
, reqs
[i
].key
, reqs
[i
].argc
, reqs
[i
].argv
);
1780 if (req
!= REQ_NONE
)
1781 add_keybinding(reqs
[i
].keymap
, req
, reqs
[i
].key
);
1786 * User config file handling.
1789 static int config_lineno
;
1790 static bool config_errors
;
1791 static const char *config_msg
;
1793 static const struct enum_map color_map
[] = {
1794 #define COLOR_MAP(name) ENUM_MAP(#name, COLOR_##name)
1806 static const struct enum_map attr_map
[] = {
1807 #define ATTR_MAP(name) ENUM_MAP(#name, A_##name)
1814 ATTR_MAP(UNDERLINE
),
1817 #define set_attribute(attr, name) map_enum(attr, attr_map, name)
1819 static int parse_step(double *opt
, const char *arg
)
1822 if (!strchr(arg
, '%'))
1825 /* "Shift down" so 100% and 1 does not conflict. */
1826 *opt
= (*opt
- 1) / 100;
1829 config_msg
= "Step value larger than 100%";
1834 config_msg
= "Invalid step value";
1841 parse_int(int *opt
, const char *arg
, int min
, int max
)
1843 int value
= atoi(arg
);
1845 if (min
<= value
&& value
<= max
) {
1850 config_msg
= "Integer value out of bound";
1855 set_color(int *color
, const char *name
)
1857 if (map_enum(color
, color_map
, name
))
1859 if (!prefixcmp(name
, "color"))
1860 return parse_int(color
, name
+ 5, 0, 255) == OK
;
1864 /* Wants: object fgcolor bgcolor [attribute] */
1866 option_color_command(int argc
, const char *argv
[])
1868 struct line_info
*info
;
1871 config_msg
= "Wrong number of arguments given to color command";
1875 info
= get_line_info(argv
[0]);
1877 static const struct enum_map obsolete
[] = {
1878 ENUM_MAP("main-delim", LINE_DELIMITER
),
1879 ENUM_MAP("main-date", LINE_DATE
),
1880 ENUM_MAP("main-author", LINE_AUTHOR
),
1884 if (!map_enum(&index
, obsolete
, argv
[0])) {
1885 config_msg
= "Unknown color name";
1888 info
= &line_info
[index
];
1891 if (!set_color(&info
->fg
, argv
[1]) ||
1892 !set_color(&info
->bg
, argv
[2])) {
1893 config_msg
= "Unknown color";
1898 while (argc
-- > 3) {
1901 if (!set_attribute(&attr
, argv
[argc
])) {
1902 config_msg
= "Unknown attribute";
1911 static int parse_bool(bool *opt
, const char *arg
)
1913 *opt
= (!strcmp(arg
, "1") || !strcmp(arg
, "true") || !strcmp(arg
, "yes"))
1918 static int parse_enum_do(unsigned int *opt
, const char *arg
,
1919 const struct enum_map
*map
, size_t map_size
)
1923 assert(map_size
> 1);
1925 if (map_enum_do(map
, map_size
, (int *) opt
, arg
))
1928 if (parse_bool(&is_true
, arg
) != OK
)
1931 *opt
= is_true
? map
[1].value
: map
[0].value
;
1935 #define parse_enum(opt, arg, map) \
1936 parse_enum_do(opt, arg, map, ARRAY_SIZE(map))
1939 parse_string(char *opt
, const char *arg
, size_t optsize
)
1941 int arglen
= strlen(arg
);
1946 if (arglen
== 1 || arg
[arglen
- 1] != arg
[0]) {
1947 config_msg
= "Unmatched quotation";
1950 arg
+= 1; arglen
-= 2;
1952 string_ncopy_do(opt
, optsize
, arg
, arglen
);
1957 /* Wants: name = value */
1959 option_set_command(int argc
, const char *argv
[])
1962 config_msg
= "Wrong number of arguments given to set command";
1966 if (strcmp(argv
[1], "=")) {
1967 config_msg
= "No value assigned";
1971 if (!strcmp(argv
[0], "show-author"))
1972 return parse_enum(&opt_author
, argv
[2], author_map
);
1974 if (!strcmp(argv
[0], "show-date"))
1975 return parse_enum(&opt_date
, argv
[2], date_map
);
1977 if (!strcmp(argv
[0], "show-rev-graph"))
1978 return parse_bool(&opt_rev_graph
, argv
[2]);
1980 if (!strcmp(argv
[0], "show-refs"))
1981 return parse_bool(&opt_show_refs
, argv
[2]);
1983 if (!strcmp(argv
[0], "show-line-numbers"))
1984 return parse_bool(&opt_line_number
, argv
[2]);
1986 if (!strcmp(argv
[0], "line-graphics"))
1987 return parse_bool(&opt_line_graphics
, argv
[2]);
1989 if (!strcmp(argv
[0], "line-number-interval"))
1990 return parse_int(&opt_num_interval
, argv
[2], 1, 1024);
1992 if (!strcmp(argv
[0], "author-width"))
1993 return parse_int(&opt_author_cols
, argv
[2], 0, 1024);
1995 if (!strcmp(argv
[0], "horizontal-scroll"))
1996 return parse_step(&opt_hscroll
, argv
[2]);
1998 if (!strcmp(argv
[0], "split-view-height"))
1999 return parse_step(&opt_scale_split_view
, argv
[2]);
2001 if (!strcmp(argv
[0], "tab-size"))
2002 return parse_int(&opt_tab_size
, argv
[2], 1, 1024);
2004 if (!strcmp(argv
[0], "commit-encoding"))
2005 return parse_string(opt_encoding
, argv
[2], sizeof(opt_encoding
));
2007 config_msg
= "Unknown variable name";
2011 /* Wants: mode request key */
2013 option_bind_command(int argc
, const char *argv
[])
2015 enum request request
;
2020 config_msg
= "Wrong number of arguments given to bind command";
2024 if (!set_keymap(&keymap
, argv
[0])) {
2025 config_msg
= "Unknown key map";
2029 key
= get_key_value(argv
[1]);
2031 config_msg
= "Unknown key";
2035 request
= get_request(argv
[2]);
2036 if (request
== REQ_UNKNOWN
) {
2037 static const struct enum_map obsolete
[] = {
2038 ENUM_MAP("cherry-pick", REQ_NONE
),
2039 ENUM_MAP("screen-resize", REQ_NONE
),
2040 ENUM_MAP("tree-parent", REQ_PARENT
),
2044 if (map_enum(&alias
, obsolete
, argv
[2])) {
2045 if (alias
!= REQ_NONE
)
2046 add_keybinding(keymap
, alias
, key
);
2047 config_msg
= "Obsolete request name";
2051 if (request
== REQ_UNKNOWN
&& *argv
[2]++ == '!')
2052 request
= add_run_request(keymap
, key
, argc
- 2, argv
+ 2);
2053 if (request
== REQ_UNKNOWN
) {
2054 config_msg
= "Unknown request name";
2058 add_keybinding(keymap
, request
, key
);
2064 set_option(const char *opt
, char *value
)
2066 const char *argv
[SIZEOF_ARG
];
2069 if (!argv_from_string(argv
, &argc
, value
)) {
2070 config_msg
= "Too many option arguments";
2074 if (!strcmp(opt
, "color"))
2075 return option_color_command(argc
, argv
);
2077 if (!strcmp(opt
, "set"))
2078 return option_set_command(argc
, argv
);
2080 if (!strcmp(opt
, "bind"))
2081 return option_bind_command(argc
, argv
);
2083 config_msg
= "Unknown option command";
2088 read_option(char *opt
, size_t optlen
, char *value
, size_t valuelen
)
2093 config_msg
= "Internal error";
2095 /* Check for comment markers, since read_properties() will
2096 * only ensure opt and value are split at first " \t". */
2097 optlen
= strcspn(opt
, "#");
2101 if (opt
[optlen
] != 0) {
2102 config_msg
= "No option value";
2106 /* Look for comment endings in the value. */
2107 size_t len
= strcspn(value
, "#");
2109 if (len
< valuelen
) {
2111 value
[valuelen
] = 0;
2114 status
= set_option(opt
, value
);
2117 if (status
== ERR
) {
2118 warn("Error on line %d, near '%.*s': %s",
2119 config_lineno
, (int) optlen
, opt
, config_msg
);
2120 config_errors
= TRUE
;
2123 /* Always keep going if errors are encountered. */
2128 load_option_file(const char *path
)
2132 /* It's OK that the file doesn't exist. */
2133 if (!io_open(&io
, "%s", path
))
2137 config_errors
= FALSE
;
2139 if (io_load(&io
, " \t", read_option
) == ERR
||
2140 config_errors
== TRUE
)
2141 warn("Errors while loading %s.", path
);
2147 const char *home
= getenv("HOME");
2148 const char *tigrc_user
= getenv("TIGRC_USER");
2149 const char *tigrc_system
= getenv("TIGRC_SYSTEM");
2150 char buf
[SIZEOF_STR
];
2153 tigrc_system
= SYSCONFDIR
"/tigrc";
2154 load_option_file(tigrc_system
);
2157 if (!home
|| !string_format(buf
, "%s/.tigrc", home
))
2161 load_option_file(tigrc_user
);
2163 /* Add _after_ loading config files to avoid adding run requests
2164 * that conflict with keybindings. */
2165 add_builtin_run_requests();
2178 /* The display array of active views and the index of the current view. */
2179 static struct view
*display
[2];
2180 static unsigned int current_view
;
2182 #define foreach_displayed_view(view, i) \
2183 for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++)
2185 #define displayed_views() (display[1] != NULL ? 2 : 1)
2187 /* Current head and commit ID */
2188 static char ref_blob
[SIZEOF_REF
] = "";
2189 static char ref_commit
[SIZEOF_REF
] = "HEAD";
2190 static char ref_head
[SIZEOF_REF
] = "HEAD";
2191 static char ref_branch
[SIZEOF_REF
] = "";
2208 enum view_type type
; /* View type */
2209 const char *name
; /* View name */
2210 const char *cmd_env
; /* Command line set via environment */
2211 const char *id
; /* Points to either of ref_{head,commit,blob} */
2213 struct view_ops
*ops
; /* View operations */
2215 enum keymap keymap
; /* What keymap does this view have */
2216 bool git_dir
; /* Whether the view requires a git directory. */
2217 bool refresh
; /* Whether the view supports refreshing. */
2219 char ref
[SIZEOF_REF
]; /* Hovered commit reference */
2220 char vid
[SIZEOF_REF
]; /* View ID. Set to id member when updating. */
2222 int height
, width
; /* The width and height of the main window */
2223 WINDOW
*win
; /* The main window */
2224 WINDOW
*title
; /* The title window living below the main window */
2227 unsigned long offset
; /* Offset of the window top */
2228 unsigned long yoffset
; /* Offset from the window side. */
2229 unsigned long lineno
; /* Current line number */
2230 unsigned long p_offset
; /* Previous offset of the window top */
2231 unsigned long p_yoffset
;/* Previous offset from the window side */
2232 unsigned long p_lineno
; /* Previous current line number */
2233 bool p_restore
; /* Should the previous position be restored. */
2236 char grep
[SIZEOF_STR
]; /* Search string */
2237 regex_t
*regex
; /* Pre-compiled regexp */
2239 /* If non-NULL, points to the view that opened this view. If this view
2240 * is closed tig will switch back to the parent view. */
2241 struct view
*parent
;
2245 size_t lines
; /* Total number of lines */
2246 struct line
*line
; /* Line index */
2247 unsigned int digits
; /* Number of digits in the lines member. */
2250 struct line
*curline
; /* Line currently being drawn. */
2251 enum line_type curtype
; /* Attribute currently used for drawing. */
2252 unsigned long col
; /* Column when drawing. */
2253 bool has_scrolled
; /* View was scrolled. */
2263 /* What type of content being displayed. Used in the title bar. */
2265 /* Default command arguments. */
2267 /* Open and reads in all view content. */
2268 bool (*open
)(struct view
*view
);
2269 /* Read one line; updates view->line. */
2270 bool (*read
)(struct view
*view
, char *data
);
2271 /* Draw one line; @lineno must be < view->height. */
2272 bool (*draw
)(struct view
*view
, struct line
*line
, unsigned int lineno
);
2273 /* Depending on view handle a special requests. */
2274 enum request (*request
)(struct view
*view
, enum request request
, struct line
*line
);
2275 /* Search for regexp in a line. */
2276 bool (*grep
)(struct view
*view
, struct line
*line
);
2278 void (*select
)(struct view
*view
, struct line
*line
);
2279 /* Prepare view for loading */
2280 bool (*prepare
)(struct view
*view
);
2283 static struct view_ops blame_ops
;
2284 static struct view_ops blob_ops
;
2285 static struct view_ops diff_ops
;
2286 static struct view_ops help_ops
;
2287 static struct view_ops log_ops
;
2288 static struct view_ops main_ops
;
2289 static struct view_ops pager_ops
;
2290 static struct view_ops stage_ops
;
2291 static struct view_ops status_ops
;
2292 static struct view_ops tree_ops
;
2293 static struct view_ops branch_ops
;
2295 #define VIEW_STR(type, name, env, ref, ops, map, git, refresh) \
2296 { type, name, #env, ref, ops, map, git, refresh }
2298 #define VIEW_(id, name, ops, git, refresh, ref) \
2299 VIEW_STR(VIEW_##id, name, TIG_##id##_CMD, ref, ops, KEYMAP_##id, git, refresh)
2301 static struct view views
[] = {
2302 VIEW_(MAIN
, "main", &main_ops
, TRUE
, TRUE
, ref_head
),
2303 VIEW_(DIFF
, "diff", &diff_ops
, TRUE
, FALSE
, ref_commit
),
2304 VIEW_(LOG
, "log", &log_ops
, TRUE
, TRUE
, ref_head
),
2305 VIEW_(TREE
, "tree", &tree_ops
, TRUE
, FALSE
, ref_commit
),
2306 VIEW_(BLOB
, "blob", &blob_ops
, TRUE
, FALSE
, ref_blob
),
2307 VIEW_(BLAME
, "blame", &blame_ops
, TRUE
, FALSE
, ref_commit
),
2308 VIEW_(BRANCH
, "branch", &branch_ops
, TRUE
, TRUE
, ref_head
),
2309 VIEW_(HELP
, "help", &help_ops
, FALSE
, FALSE
, ""),
2310 VIEW_(PAGER
, "pager", &pager_ops
, FALSE
, FALSE
, "stdin"),
2311 VIEW_(STATUS
, "status", &status_ops
, TRUE
, TRUE
, ""),
2312 VIEW_(STAGE
, "stage", &stage_ops
, TRUE
, TRUE
, ""),
2315 #define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
2317 #define foreach_view(view, i) \
2318 for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++)
2320 #define view_is_displayed(view) \
2321 (view == display[0] || view == display[1])
2329 set_view_attr(struct view
*view
, enum line_type type
)
2331 if (!view
->curline
->selected
&& view
->curtype
!= type
) {
2332 (void) wattrset(view
->win
, get_line_attr(type
));
2333 wchgat(view
->win
, -1, 0, type
, NULL
);
2334 view
->curtype
= type
;
2339 draw_chars(struct view
*view
, enum line_type type
, const char *string
,
2340 int max_len
, bool use_tilde
)
2342 static char out_buffer
[BUFSIZ
* 2];
2345 int trimmed
= FALSE
;
2346 size_t skip
= view
->yoffset
> view
->col
? view
->yoffset
- view
->col
: 0;
2351 len
= utf8_length(&string
, skip
, &col
, max_len
, &trimmed
, use_tilde
, opt_tab_size
);
2353 set_view_attr(view
, type
);
2355 if (opt_iconv_out
!= ICONV_NONE
) {
2356 ICONV_CONST
char *inbuf
= (ICONV_CONST
char *) string
;
2357 size_t inlen
= len
+ 1;
2359 char *outbuf
= out_buffer
;
2360 size_t outlen
= sizeof(out_buffer
);
2364 ret
= iconv(opt_iconv_out
, &inbuf
, &inlen
, &outbuf
, &outlen
);
2365 if (ret
!= (size_t) -1) {
2366 string
= out_buffer
;
2367 len
= sizeof(out_buffer
) - outlen
;
2371 waddnstr(view
->win
, string
, len
);
2373 if (trimmed
&& use_tilde
) {
2374 set_view_attr(view
, LINE_DELIMITER
);
2375 waddch(view
->win
, '~');
2383 draw_space(struct view
*view
, enum line_type type
, int max
, int spaces
)
2385 static char space
[] = " ";
2388 spaces
= MIN(max
, spaces
);
2390 while (spaces
> 0) {
2391 int len
= MIN(spaces
, sizeof(space
) - 1);
2393 col
+= draw_chars(view
, type
, space
, len
, FALSE
);
2401 draw_text(struct view
*view
, enum line_type type
, const char *string
, bool trim
)
2403 view
->col
+= draw_chars(view
, type
, string
, view
->width
+ view
->yoffset
- view
->col
, trim
);
2404 return view
->width
+ view
->yoffset
<= view
->col
;
2408 draw_graphic(struct view
*view
, enum line_type type
, chtype graphic
[], size_t size
)
2410 size_t skip
= view
->yoffset
> view
->col
? view
->yoffset
- view
->col
: 0;
2411 int max
= view
->width
+ view
->yoffset
- view
->col
;
2417 set_view_attr(view
, type
);
2418 /* Using waddch() instead of waddnstr() ensures that
2419 * they'll be rendered correctly for the cursor line. */
2420 for (i
= skip
; i
< size
; i
++)
2421 waddch(view
->win
, graphic
[i
]);
2424 if (size
< max
&& skip
<= size
)
2425 waddch(view
->win
, ' ');
2428 return view
->width
+ view
->yoffset
<= view
->col
;
2432 draw_field(struct view
*view
, enum line_type type
, const char *text
, int len
, bool trim
)
2434 int max
= MIN(view
->width
+ view
->yoffset
- view
->col
, len
);
2438 col
= draw_chars(view
, type
, text
, max
- 1, trim
);
2440 col
= draw_space(view
, type
, max
- 1, max
- 1);
2443 view
->col
+= draw_space(view
, LINE_DEFAULT
, max
- col
, max
- col
);
2444 return view
->width
+ view
->yoffset
<= view
->col
;
2448 draw_date(struct view
*view
, struct time
*time
)
2450 const char *date
= mkdate(time
, opt_date
);
2451 int cols
= opt_date
== DATE_SHORT
? DATE_SHORT_COLS
: DATE_COLS
;
2453 return draw_field(view
, LINE_DATE
, date
, cols
, FALSE
);
2457 draw_author(struct view
*view
, const char *author
)
2459 bool trim
= opt_author_cols
== 0 || opt_author_cols
> 5;
2460 bool abbreviate
= opt_author
== AUTHOR_ABBREVIATED
|| !trim
;
2462 if (abbreviate
&& author
)
2463 author
= get_author_initials(author
);
2465 return draw_field(view
, LINE_AUTHOR
, author
, opt_author_cols
, trim
);
2469 draw_mode(struct view
*view
, mode_t mode
)
2475 else if (S_ISLNK(mode
))
2477 else if (S_ISGITLINK(mode
))
2479 else if (S_ISREG(mode
) && mode
& S_IXUSR
)
2481 else if (S_ISREG(mode
))
2486 return draw_field(view
, LINE_MODE
, str
, STRING_SIZE("-rw-r--r-- "), FALSE
);
2490 draw_lineno(struct view
*view
, unsigned int lineno
)
2493 int digits3
= view
->digits
< 3 ? 3 : view
->digits
;
2494 int max
= MIN(view
->width
+ view
->yoffset
- view
->col
, digits3
);
2496 chtype separator
= opt_line_graphics
? ACS_VLINE
: '|';
2498 lineno
+= view
->offset
+ 1;
2499 if (lineno
== 1 || (lineno
% opt_num_interval
) == 0) {
2500 static char fmt
[] = "%1ld";
2502 fmt
[1] = '0' + (view
->digits
<= 9 ? digits3
: 1);
2503 if (string_format(number
, fmt
, lineno
))
2507 view
->col
+= draw_chars(view
, LINE_LINE_NUMBER
, text
, max
, TRUE
);
2509 view
->col
+= draw_space(view
, LINE_LINE_NUMBER
, max
, digits3
);
2510 return draw_graphic(view
, LINE_DEFAULT
, &separator
, 1);
2514 draw_view_line(struct view
*view
, unsigned int lineno
)
2517 bool selected
= (view
->offset
+ lineno
== view
->lineno
);
2519 assert(view_is_displayed(view
));
2521 if (view
->offset
+ lineno
>= view
->lines
)
2524 line
= &view
->line
[view
->offset
+ lineno
];
2526 wmove(view
->win
, lineno
, 0);
2528 wclrtoeol(view
->win
);
2530 view
->curline
= line
;
2531 view
->curtype
= LINE_NONE
;
2532 line
->selected
= FALSE
;
2533 line
->dirty
= line
->cleareol
= 0;
2536 set_view_attr(view
, LINE_CURSOR
);
2537 line
->selected
= TRUE
;
2538 view
->ops
->select(view
, line
);
2541 return view
->ops
->draw(view
, line
, lineno
);
2545 redraw_view_dirty(struct view
*view
)
2550 for (lineno
= 0; lineno
< view
->height
; lineno
++) {
2551 if (view
->offset
+ lineno
>= view
->lines
)
2553 if (!view
->line
[view
->offset
+ lineno
].dirty
)
2556 if (!draw_view_line(view
, lineno
))
2562 wnoutrefresh(view
->win
);
2566 redraw_view_from(struct view
*view
, int lineno
)
2568 assert(0 <= lineno
&& lineno
< view
->height
);
2570 for (; lineno
< view
->height
; lineno
++) {
2571 if (!draw_view_line(view
, lineno
))
2575 wnoutrefresh(view
->win
);
2579 redraw_view(struct view
*view
)
2582 redraw_view_from(view
, 0);
2587 update_view_title(struct view
*view
)
2589 char buf
[SIZEOF_STR
];
2590 char state
[SIZEOF_STR
];
2591 size_t bufpos
= 0, statelen
= 0;
2593 assert(view_is_displayed(view
));
2595 if (view
->type
!= VIEW_STATUS
&& view
->lines
) {
2596 unsigned int view_lines
= view
->offset
+ view
->height
;
2597 unsigned int lines
= view
->lines
2598 ? MIN(view_lines
, view
->lines
) * 100 / view
->lines
2601 string_format_from(state
, &statelen
, " - %s %d of %d (%d%%)",
2610 time_t secs
= time(NULL
) - view
->start_time
;
2612 /* Three git seconds are a long time ... */
2614 string_format_from(state
, &statelen
, " loading %lds", secs
);
2617 string_format_from(buf
, &bufpos
, "[%s]", view
->name
);
2618 if (*view
->ref
&& bufpos
< view
->width
) {
2619 size_t refsize
= strlen(view
->ref
);
2620 size_t minsize
= bufpos
+ 1 + /* abbrev= */ 7 + 1 + statelen
;
2622 if (minsize
< view
->width
)
2623 refsize
= view
->width
- minsize
+ 7;
2624 string_format_from(buf
, &bufpos
, " %.*s", (int) refsize
, view
->ref
);
2627 if (statelen
&& bufpos
< view
->width
) {
2628 string_format_from(buf
, &bufpos
, "%s", state
);
2631 if (view
== display
[current_view
])
2632 wbkgdset(view
->title
, get_line_attr(LINE_TITLE_FOCUS
));
2634 wbkgdset(view
->title
, get_line_attr(LINE_TITLE_BLUR
));
2636 mvwaddnstr(view
->title
, 0, 0, buf
, bufpos
);
2637 wclrtoeol(view
->title
);
2638 wnoutrefresh(view
->title
);
2642 apply_step(double step
, int value
)
2646 value
*= step
+ 0.01;
2647 return value
? value
: 1;
2651 resize_display(void)
2654 struct view
*base
= display
[0];
2655 struct view
*view
= display
[1] ? display
[1] : display
[0];
2657 /* Setup window dimensions */
2659 getmaxyx(stdscr
, base
->height
, base
->width
);
2661 /* Make room for the status window. */
2665 /* Horizontal split. */
2666 view
->width
= base
->width
;
2667 view
->height
= apply_step(opt_scale_split_view
, base
->height
);
2668 view
->height
= MAX(view
->height
, MIN_VIEW_HEIGHT
);
2669 view
->height
= MIN(view
->height
, base
->height
- MIN_VIEW_HEIGHT
);
2670 base
->height
-= view
->height
;
2672 /* Make room for the title bar. */
2676 /* Make room for the title bar. */
2681 foreach_displayed_view (view
, i
) {
2683 view
->win
= newwin(view
->height
, 0, offset
, 0);
2685 die("Failed to create %s view", view
->name
);
2687 scrollok(view
->win
, FALSE
);
2689 view
->title
= newwin(1, 0, offset
+ view
->height
, 0);
2691 die("Failed to create title window");
2694 wresize(view
->win
, view
->height
, view
->width
);
2695 mvwin(view
->win
, offset
, 0);
2696 mvwin(view
->title
, offset
+ view
->height
, 0);
2699 offset
+= view
->height
+ 1;
2704 redraw_display(bool clear
)
2709 foreach_displayed_view (view
, i
) {
2713 update_view_title(view
);
2723 toggle_enum_option_do(unsigned int *opt
, const char *help
,
2724 const struct enum_map
*map
, size_t size
)
2726 *opt
= (*opt
+ 1) % size
;
2727 redraw_display(FALSE
);
2728 report("Displaying %s %s", enum_name(map
[*opt
]), help
);
2731 #define toggle_enum_option(opt, help, map) \
2732 toggle_enum_option_do(opt, help, map, ARRAY_SIZE(map))
2734 #define toggle_date() toggle_enum_option(&opt_date, "dates", date_map)
2735 #define toggle_author() toggle_enum_option(&opt_author, "author names", author_map)
2738 toggle_view_option(bool *option
, const char *help
)
2741 redraw_display(FALSE
);
2742 report("%sabling %s", *option
? "En" : "Dis", help
);
2746 open_option_menu(void)
2748 const struct menu_item menu
[] = {
2749 { '.', "line numbers", &opt_line_number
},
2750 { 'D', "date display", &opt_date
},
2751 { 'A', "author display", &opt_author
},
2752 { 'g', "revision graph display", &opt_rev_graph
},
2753 { 'F', "reference display", &opt_show_refs
},
2758 if (prompt_menu("Toggle option", menu
, &selected
)) {
2759 if (menu
[selected
].data
== &opt_date
)
2761 else if (menu
[selected
].data
== &opt_author
)
2764 toggle_view_option(menu
[selected
].data
, menu
[selected
].text
);
2769 maximize_view(struct view
*view
)
2771 memset(display
, 0, sizeof(display
));
2773 display
[current_view
] = view
;
2775 redraw_display(FALSE
);
2785 goto_view_line(struct view
*view
, unsigned long offset
, unsigned long lineno
)
2787 if (lineno
>= view
->lines
)
2788 lineno
= view
->lines
> 0 ? view
->lines
- 1 : 0;
2790 if (offset
> lineno
|| offset
+ view
->height
<= lineno
) {
2791 unsigned long half
= view
->height
/ 2;
2794 offset
= lineno
- half
;
2799 if (offset
!= view
->offset
|| lineno
!= view
->lineno
) {
2800 view
->offset
= offset
;
2801 view
->lineno
= lineno
;
2808 /* Scrolling backend */
2810 do_scroll_view(struct view
*view
, int lines
)
2812 bool redraw_current_line
= FALSE
;
2814 /* The rendering expects the new offset. */
2815 view
->offset
+= lines
;
2817 assert(0 <= view
->offset
&& view
->offset
< view
->lines
);
2820 /* Move current line into the view. */
2821 if (view
->lineno
< view
->offset
) {
2822 view
->lineno
= view
->offset
;
2823 redraw_current_line
= TRUE
;
2824 } else if (view
->lineno
>= view
->offset
+ view
->height
) {
2825 view
->lineno
= view
->offset
+ view
->height
- 1;
2826 redraw_current_line
= TRUE
;
2829 assert(view
->offset
<= view
->lineno
&& view
->lineno
< view
->lines
);
2831 /* Redraw the whole screen if scrolling is pointless. */
2832 if (view
->height
< ABS(lines
)) {
2836 int line
= lines
> 0 ? view
->height
- lines
: 0;
2837 int end
= line
+ ABS(lines
);
2839 scrollok(view
->win
, TRUE
);
2840 wscrl(view
->win
, lines
);
2841 scrollok(view
->win
, FALSE
);
2843 while (line
< end
&& draw_view_line(view
, line
))
2846 if (redraw_current_line
)
2847 draw_view_line(view
, view
->lineno
- view
->offset
);
2848 wnoutrefresh(view
->win
);
2851 view
->has_scrolled
= TRUE
;
2855 /* Scroll frontend */
2857 scroll_view(struct view
*view
, enum request request
)
2861 assert(view_is_displayed(view
));
2864 case REQ_SCROLL_LEFT
:
2865 if (view
->yoffset
== 0) {
2866 report("Cannot scroll beyond the first column");
2869 if (view
->yoffset
<= apply_step(opt_hscroll
, view
->width
))
2872 view
->yoffset
-= apply_step(opt_hscroll
, view
->width
);
2873 redraw_view_from(view
, 0);
2876 case REQ_SCROLL_RIGHT
:
2877 view
->yoffset
+= apply_step(opt_hscroll
, view
->width
);
2881 case REQ_SCROLL_PAGE_DOWN
:
2882 lines
= view
->height
;
2883 case REQ_SCROLL_LINE_DOWN
:
2884 if (view
->offset
+ lines
> view
->lines
)
2885 lines
= view
->lines
- view
->offset
;
2887 if (lines
== 0 || view
->offset
+ view
->height
>= view
->lines
) {
2888 report("Cannot scroll beyond the last line");
2893 case REQ_SCROLL_PAGE_UP
:
2894 lines
= view
->height
;
2895 case REQ_SCROLL_LINE_UP
:
2896 if (lines
> view
->offset
)
2897 lines
= view
->offset
;
2900 report("Cannot scroll beyond the first line");
2908 die("request %d not handled in switch", request
);
2911 do_scroll_view(view
, lines
);
2916 move_view(struct view
*view
, enum request request
)
2918 int scroll_steps
= 0;
2922 case REQ_MOVE_FIRST_LINE
:
2923 steps
= -view
->lineno
;
2926 case REQ_MOVE_LAST_LINE
:
2927 steps
= view
->lines
- view
->lineno
- 1;
2930 case REQ_MOVE_PAGE_UP
:
2931 steps
= view
->height
> view
->lineno
2932 ? -view
->lineno
: -view
->height
;
2935 case REQ_MOVE_PAGE_DOWN
:
2936 steps
= view
->lineno
+ view
->height
>= view
->lines
2937 ? view
->lines
- view
->lineno
- 1 : view
->height
;
2949 die("request %d not handled in switch", request
);
2952 if (steps
<= 0 && view
->lineno
== 0) {
2953 report("Cannot move beyond the first line");
2956 } else if (steps
>= 0 && view
->lineno
+ 1 >= view
->lines
) {
2957 report("Cannot move beyond the last line");
2961 /* Move the current line */
2962 view
->lineno
+= steps
;
2963 assert(0 <= view
->lineno
&& view
->lineno
< view
->lines
);
2965 /* Check whether the view needs to be scrolled */
2966 if (view
->lineno
< view
->offset
||
2967 view
->lineno
>= view
->offset
+ view
->height
) {
2968 scroll_steps
= steps
;
2969 if (steps
< 0 && -steps
> view
->offset
) {
2970 scroll_steps
= -view
->offset
;
2972 } else if (steps
> 0) {
2973 if (view
->lineno
== view
->lines
- 1 &&
2974 view
->lines
> view
->height
) {
2975 scroll_steps
= view
->lines
- view
->offset
- 1;
2976 if (scroll_steps
>= view
->height
)
2977 scroll_steps
-= view
->height
- 1;
2982 if (!view_is_displayed(view
)) {
2983 view
->offset
+= scroll_steps
;
2984 assert(0 <= view
->offset
&& view
->offset
< view
->lines
);
2985 view
->ops
->select(view
, &view
->line
[view
->lineno
]);
2989 /* Repaint the old "current" line if we be scrolling */
2990 if (ABS(steps
) < view
->height
)
2991 draw_view_line(view
, view
->lineno
- steps
- view
->offset
);
2994 do_scroll_view(view
, scroll_steps
);
2998 /* Draw the current line */
2999 draw_view_line(view
, view
->lineno
- view
->offset
);
3001 wnoutrefresh(view
->win
);
3010 static void search_view(struct view
*view
, enum request request
);
3013 grep_text(struct view
*view
, const char *text
[])
3018 for (i
= 0; text
[i
]; i
++)
3020 regexec(view
->regex
, text
[i
], 1, &pmatch
, 0) != REG_NOMATCH
)
3026 select_view_line(struct view
*view
, unsigned long lineno
)
3028 unsigned long old_lineno
= view
->lineno
;
3029 unsigned long old_offset
= view
->offset
;
3031 if (goto_view_line(view
, view
->offset
, lineno
)) {
3032 if (view_is_displayed(view
)) {
3033 if (old_offset
!= view
->offset
) {
3036 draw_view_line(view
, old_lineno
- view
->offset
);
3037 draw_view_line(view
, view
->lineno
- view
->offset
);
3038 wnoutrefresh(view
->win
);
3041 view
->ops
->select(view
, &view
->line
[view
->lineno
]);
3047 find_next(struct view
*view
, enum request request
)
3049 unsigned long lineno
= view
->lineno
;
3054 report("No previous search");
3056 search_view(view
, request
);
3066 case REQ_SEARCH_BACK
:
3075 if (request
== REQ_FIND_NEXT
|| request
== REQ_FIND_PREV
)
3076 lineno
+= direction
;
3078 /* Note, lineno is unsigned long so will wrap around in which case it
3079 * will become bigger than view->lines. */
3080 for (; lineno
< view
->lines
; lineno
+= direction
) {
3081 if (view
->ops
->grep(view
, &view
->line
[lineno
])) {
3082 select_view_line(view
, lineno
);
3083 report("Line %ld matches '%s'", lineno
+ 1, view
->grep
);
3088 report("No match found for '%s'", view
->grep
);
3092 search_view(struct view
*view
, enum request request
)
3097 regfree(view
->regex
);
3100 view
->regex
= calloc(1, sizeof(*view
->regex
));
3105 regex_err
= regcomp(view
->regex
, opt_search
, REG_EXTENDED
);
3106 if (regex_err
!= 0) {
3107 char buf
[SIZEOF_STR
] = "unknown error";
3109 regerror(regex_err
, view
->regex
, buf
, sizeof(buf
));
3110 report("Search failed: %s", buf
);
3114 string_copy(view
->grep
, opt_search
);
3116 find_next(view
, request
);
3120 * Incremental updating
3124 reset_view(struct view
*view
)
3128 for (i
= 0; i
< view
->lines
; i
++)
3129 free(view
->line
[i
].data
);
3132 view
->p_offset
= view
->offset
;
3133 view
->p_yoffset
= view
->yoffset
;
3134 view
->p_lineno
= view
->lineno
;
3142 view
->update_secs
= 0;
3146 free_argv(const char *argv
[])
3150 for (argc
= 0; argv
[argc
]; argc
++)
3151 free((void *) argv
[argc
]);
3155 format_arg(const char *name
)
3161 const char *value_if_empty
;
3163 #define FORMAT_VAR(name, value, value_if_empty) \
3164 { name, STRING_SIZE(name), value, value_if_empty }
3165 FORMAT_VAR("%(directory)", opt_path
, ""),
3166 FORMAT_VAR("%(file)", opt_file
, ""),
3167 FORMAT_VAR("%(ref)", opt_ref
, "HEAD"),
3168 FORMAT_VAR("%(head)", ref_head
, ""),
3169 FORMAT_VAR("%(commit)", ref_commit
, ""),
3170 FORMAT_VAR("%(blob)", ref_blob
, ""),
3171 FORMAT_VAR("%(branch)", ref_branch
, ""),
3175 for (i
= 0; i
< ARRAY_SIZE(vars
); i
++)
3176 if (!strncmp(name
, vars
[i
].name
, vars
[i
].namelen
))
3177 return *vars
[i
].value
? vars
[i
].value
: vars
[i
].value_if_empty
;
3179 report("Unknown replacement: `%s`", name
);
3184 format_argv(const char *dst_argv
[], const char *src_argv
[], enum format_flags flags
)
3186 char buf
[SIZEOF_STR
];
3188 bool noreplace
= flags
== FORMAT_NONE
;
3190 free_argv(dst_argv
);
3192 for (argc
= 0; src_argv
[argc
]; argc
++) {
3193 const char *arg
= src_argv
[argc
];
3197 char *next
= strstr(arg
, "%(");
3198 int len
= next
- arg
;
3201 if (!next
|| noreplace
) {
3206 value
= format_arg(next
);
3213 if (!string_format_from(buf
, &bufpos
, "%.*s%s", len
, arg
, value
))
3216 arg
= next
&& !noreplace
? strchr(next
, ')') + 1 : NULL
;
3219 dst_argv
[argc
] = strdup(buf
);
3220 if (!dst_argv
[argc
])
3224 dst_argv
[argc
] = NULL
;
3226 return src_argv
[argc
] == NULL
;
3230 restore_view_position(struct view
*view
)
3232 if (!view
->p_restore
|| (view
->pipe
&& view
->lines
<= view
->p_lineno
))
3235 /* Changing the view position cancels the restoring. */
3236 /* FIXME: Changing back to the first line is not detected. */
3237 if (view
->offset
!= 0 || view
->lineno
!= 0) {
3238 view
->p_restore
= FALSE
;
3242 if (goto_view_line(view
, view
->p_offset
, view
->p_lineno
) &&
3243 view_is_displayed(view
))
3246 view
->yoffset
= view
->p_yoffset
;
3247 view
->p_restore
= FALSE
;
3253 end_update(struct view
*view
, bool force
)
3257 while (!view
->ops
->read(view
, NULL
))
3261 io_kill(view
->pipe
);
3262 io_done(view
->pipe
);
3267 setup_update(struct view
*view
, const char *vid
)
3270 string_copy_rev(view
->vid
, vid
);
3271 view
->pipe
= &view
->io
;
3272 view
->start_time
= time(NULL
);
3276 prepare_update(struct view
*view
, const char *argv
[], const char *dir
)
3279 end_update(view
, TRUE
);
3280 return io_format(&view
->io
, dir
, IO_RD
, argv
, FORMAT_NONE
);
3284 prepare_update_file(struct view
*view
, const char *name
)
3287 end_update(view
, TRUE
);
3288 return io_open(&view
->io
, "%s/%s", opt_cdup
[0] ? opt_cdup
: ".", name
);
3292 begin_update(struct view
*view
, bool refresh
)
3295 end_update(view
, TRUE
);
3298 if (view
->ops
->prepare
) {
3299 if (!view
->ops
->prepare(view
))
3301 } else if (!io_format(&view
->io
, NULL
, IO_RD
, view
->ops
->argv
, FORMAT_ALL
)) {
3305 /* Put the current ref_* value to the view title ref
3306 * member. This is needed by the blob view. Most other
3307 * views sets it automatically after loading because the
3308 * first line is a commit line. */
3309 string_copy_rev(view
->ref
, view
->id
);
3312 if (!io_start(&view
->io
))
3315 setup_update(view
, view
->id
);
3321 update_view(struct view
*view
)
3323 char out_buffer
[BUFSIZ
* 2];
3325 /* Clear the view and redraw everything since the tree sorting
3326 * might have rearranged things. */
3327 bool redraw
= view
->lines
== 0;
3328 bool can_read
= TRUE
;
3333 if (!io_can_read(view
->pipe
)) {
3334 if (view
->lines
== 0 && view_is_displayed(view
)) {
3335 time_t secs
= time(NULL
) - view
->start_time
;
3337 if (secs
> 1 && secs
> view
->update_secs
) {
3338 if (view
->update_secs
== 0)
3340 update_view_title(view
);
3341 view
->update_secs
= secs
;
3347 for (; (line
= io_get(view
->pipe
, '\n', can_read
)); can_read
= FALSE
) {
3348 if (opt_iconv_in
!= ICONV_NONE
) {
3349 ICONV_CONST
char *inbuf
= line
;
3350 size_t inlen
= strlen(line
) + 1;
3352 char *outbuf
= out_buffer
;
3353 size_t outlen
= sizeof(out_buffer
);
3357 ret
= iconv(opt_iconv_in
, &inbuf
, &inlen
, &outbuf
, &outlen
);
3358 if (ret
!= (size_t) -1)
3362 if (!view
->ops
->read(view
, line
)) {
3363 report("Allocation failure");
3364 end_update(view
, TRUE
);
3370 unsigned long lines
= view
->lines
;
3373 for (digits
= 0; lines
; digits
++)
3376 /* Keep the displayed view in sync with line number scaling. */
3377 if (digits
!= view
->digits
) {
3378 view
->digits
= digits
;
3379 if (opt_line_number
|| view
->type
== VIEW_BLAME
)
3384 if (io_error(view
->pipe
)) {
3385 report("Failed to read: %s", io_strerror(view
->pipe
));
3386 end_update(view
, TRUE
);
3388 } else if (io_eof(view
->pipe
)) {
3389 if (view_is_displayed(view
))
3391 end_update(view
, FALSE
);
3394 if (restore_view_position(view
))
3397 if (!view_is_displayed(view
))
3401 redraw_view_from(view
, 0);
3403 redraw_view_dirty(view
);
3405 /* Update the title _after_ the redraw so that if the redraw picks up a
3406 * commit reference in view->ref it'll be available here. */
3407 update_view_title(view
);
3411 DEFINE_ALLOCATOR(realloc_lines
, struct line
, 256)
3413 static struct line
*
3414 add_line_data(struct view
*view
, void *data
, enum line_type type
)
3418 if (!realloc_lines(&view
->line
, view
->lines
, 1))
3421 line
= &view
->line
[view
->lines
++];
3422 memset(line
, 0, sizeof(*line
));
3430 static struct line
*
3431 add_line_text(struct view
*view
, const char *text
, enum line_type type
)
3433 char *data
= text
? strdup(text
) : NULL
;
3435 return data
? add_line_data(view
, data
, type
) : NULL
;
3438 static struct line
*
3439 add_line_format(struct view
*view
, enum line_type type
, const char *fmt
, ...)
3441 char buf
[SIZEOF_STR
];
3444 va_start(args
, fmt
);
3445 if (vsnprintf(buf
, sizeof(buf
), fmt
, args
) >= sizeof(buf
))
3449 return buf
[0] ? add_line_text(view
, buf
, type
) : NULL
;
3457 OPEN_DEFAULT
= 0, /* Use default view switching. */
3458 OPEN_SPLIT
= 1, /* Split current view. */
3459 OPEN_RELOAD
= 4, /* Reload view even if it is the current. */
3460 OPEN_REFRESH
= 16, /* Refresh view using previous command. */
3461 OPEN_PREPARED
= 32, /* Open already prepared command. */
3465 open_view(struct view
*prev
, enum request request
, enum open_flags flags
)
3467 bool split
= !!(flags
& OPEN_SPLIT
);
3468 bool reload
= !!(flags
& (OPEN_RELOAD
| OPEN_REFRESH
| OPEN_PREPARED
));
3469 bool nomaximize
= !!(flags
& OPEN_REFRESH
);
3470 struct view
*view
= VIEW(request
);
3471 int nviews
= displayed_views();
3472 struct view
*base_view
= display
[0];
3474 if (view
== prev
&& nviews
== 1 && !reload
) {
3475 report("Already in %s view", view
->name
);
3479 if (view
->git_dir
&& !opt_git_dir
[0]) {
3480 report("The %s view is disabled in pager view", view
->name
);
3487 view
->parent
= prev
;
3488 } else if (!nomaximize
) {
3489 /* Maximize the current view. */
3490 memset(display
, 0, sizeof(display
));
3492 display
[current_view
] = view
;
3495 /* No prev signals that this is the first loaded view. */
3496 if (prev
&& view
!= prev
) {
3500 /* Resize the view when switching between split- and full-screen,
3501 * or when switching between two different full-screen views. */
3502 if (nviews
!= displayed_views() ||
3503 (nviews
== 1 && base_view
!= display
[0]))
3506 if (view
->ops
->open
) {
3508 end_update(view
, TRUE
);
3509 if (!view
->ops
->open(view
)) {
3510 report("Failed to load %s view", view
->name
);
3513 restore_view_position(view
);
3515 } else if ((reload
|| strcmp(view
->vid
, view
->id
)) &&
3516 !begin_update(view
, flags
& (OPEN_REFRESH
| OPEN_PREPARED
))) {
3517 report("Failed to load %s view", view
->name
);
3521 if (split
&& prev
->lineno
- prev
->offset
>= prev
->height
) {
3522 /* Take the title line into account. */
3523 int lines
= prev
->lineno
- prev
->offset
- prev
->height
+ 1;
3525 /* Scroll the view that was split if the current line is
3526 * outside the new limited view. */
3527 do_scroll_view(prev
, lines
);
3530 if (prev
&& view
!= prev
&& split
&& view_is_displayed(prev
)) {
3531 /* "Blur" the previous view. */
3532 update_view_title(prev
);
3535 if (view
->pipe
&& view
->lines
== 0) {
3536 /* Clear the old view and let the incremental updating refill
3539 view
->p_restore
= flags
& (OPEN_RELOAD
| OPEN_REFRESH
);
3541 } else if (view_is_displayed(view
)) {
3548 open_external_viewer(const char *argv
[], const char *dir
)
3550 def_prog_mode(); /* save current tty modes */
3551 endwin(); /* restore original tty modes */
3552 io_run_fg(argv
, dir
);
3553 fprintf(stderr
, "Press Enter to continue");
3556 redraw_display(TRUE
);
3560 open_mergetool(const char *file
)
3562 const char *mergetool_argv
[] = { "git", "mergetool", file
, NULL
};
3564 open_external_viewer(mergetool_argv
, opt_cdup
);
3568 open_editor(const char *file
)
3570 const char *editor_argv
[] = { "vi", file
, NULL
};
3573 editor
= getenv("GIT_EDITOR");
3574 if (!editor
&& *opt_editor
)
3575 editor
= opt_editor
;
3577 editor
= getenv("VISUAL");
3579 editor
= getenv("EDITOR");
3583 editor_argv
[0] = editor
;
3584 open_external_viewer(editor_argv
, opt_cdup
);
3588 open_run_request(enum request request
)
3590 struct run_request
*req
= get_run_request(request
);
3591 const char *argv
[ARRAY_SIZE(req
->argv
)] = { NULL
};
3594 report("Unknown run request");
3598 if (format_argv(argv
, req
->argv
, FORMAT_ALL
))
3599 open_external_viewer(argv
, NULL
);
3604 * User request switch noodle
3608 view_driver(struct view
*view
, enum request request
)
3612 if (request
== REQ_NONE
)
3615 if (request
> REQ_NONE
) {
3616 open_run_request(request
);
3617 /* FIXME: When all views can refresh always do this. */
3619 request
= REQ_REFRESH
;
3624 if (view
&& view
->lines
) {
3625 request
= view
->ops
->request(view
, request
, &view
->line
[view
->lineno
]);
3626 if (request
== REQ_NONE
)
3633 case REQ_MOVE_PAGE_UP
:
3634 case REQ_MOVE_PAGE_DOWN
:
3635 case REQ_MOVE_FIRST_LINE
:
3636 case REQ_MOVE_LAST_LINE
:
3637 move_view(view
, request
);
3640 case REQ_SCROLL_LEFT
:
3641 case REQ_SCROLL_RIGHT
:
3642 case REQ_SCROLL_LINE_DOWN
:
3643 case REQ_SCROLL_LINE_UP
:
3644 case REQ_SCROLL_PAGE_DOWN
:
3645 case REQ_SCROLL_PAGE_UP
:
3646 scroll_view(view
, request
);
3649 case REQ_VIEW_BLAME
:
3651 report("No file chosen, press %s to open tree view",
3652 get_key(view
->keymap
, REQ_VIEW_TREE
));
3655 open_view(view
, request
, OPEN_DEFAULT
);
3660 report("No file chosen, press %s to open tree view",
3661 get_key(view
->keymap
, REQ_VIEW_TREE
));
3664 open_view(view
, request
, OPEN_DEFAULT
);
3667 case REQ_VIEW_PAGER
:
3668 if (!VIEW(REQ_VIEW_PAGER
)->pipe
&& !VIEW(REQ_VIEW_PAGER
)->lines
) {
3669 report("No pager content, press %s to run command from prompt",
3670 get_key(view
->keymap
, REQ_PROMPT
));
3673 open_view(view
, request
, OPEN_DEFAULT
);
3676 case REQ_VIEW_STAGE
:
3677 if (!VIEW(REQ_VIEW_STAGE
)->lines
) {
3678 report("No stage content, press %s to open the status view and choose file",
3679 get_key(view
->keymap
, REQ_VIEW_STATUS
));
3682 open_view(view
, request
, OPEN_DEFAULT
);
3685 case REQ_VIEW_STATUS
:
3686 if (opt_is_inside_work_tree
== FALSE
) {
3687 report("The status view requires a working tree");
3690 open_view(view
, request
, OPEN_DEFAULT
);
3698 case REQ_VIEW_BRANCH
:
3699 open_view(view
, request
, OPEN_DEFAULT
);
3704 request
= request
== REQ_NEXT
? REQ_MOVE_DOWN
: REQ_MOVE_UP
;
3709 view
= view
->parent
;
3710 line
= view
->lineno
;
3711 move_view(view
, request
);
3712 if (view_is_displayed(view
))
3713 update_view_title(view
);
3714 if (line
!= view
->lineno
)
3715 view
->ops
->request(view
, REQ_ENTER
,
3716 &view
->line
[view
->lineno
]);
3719 move_view(view
, request
);
3725 int nviews
= displayed_views();
3726 int next_view
= (current_view
+ 1) % nviews
;
3728 if (next_view
== current_view
) {
3729 report("Only one view is displayed");
3733 current_view
= next_view
;
3734 /* Blur out the title of the previous view. */
3735 update_view_title(view
);
3740 report("Refreshing is not yet supported for the %s view", view
->name
);
3744 if (displayed_views() == 2)
3745 maximize_view(view
);
3752 case REQ_TOGGLE_LINENO
:
3753 toggle_view_option(&opt_line_number
, "line numbers");
3756 case REQ_TOGGLE_DATE
:
3760 case REQ_TOGGLE_AUTHOR
:
3764 case REQ_TOGGLE_REV_GRAPH
:
3765 toggle_view_option(&opt_rev_graph
, "revision graph display");
3768 case REQ_TOGGLE_REFS
:
3769 toggle_view_option(&opt_show_refs
, "reference display");
3772 case REQ_TOGGLE_SORT_FIELD
:
3773 case REQ_TOGGLE_SORT_ORDER
:
3774 report("Sorting is not yet supported for the %s view", view
->name
);
3778 case REQ_SEARCH_BACK
:
3779 search_view(view
, request
);
3784 find_next(view
, request
);
3787 case REQ_STOP_LOADING
:
3788 foreach_view(view
, i
) {
3790 report("Stopped loading the %s view", view
->name
),
3791 end_update(view
, TRUE
);
3795 case REQ_SHOW_VERSION
:
3796 report("tig-%s (built %s)", TIG_VERSION
, __DATE__
);
3799 case REQ_SCREEN_REDRAW
:
3800 redraw_display(TRUE
);
3804 report("Nothing to edit");
3808 report("Nothing to enter");
3811 case REQ_VIEW_CLOSE
:
3812 /* XXX: Mark closed views by letting view->prev point to the
3813 * view itself. Parents to closed view should never be
3815 if (view
->prev
&& view
->prev
!= view
) {
3816 maximize_view(view
->prev
);
3825 report("Unknown key, press %s for help",
3826 get_key(view
->keymap
, REQ_VIEW_HELP
));
3835 * View backend utilities
3845 const enum sort_field
*fields
;
3846 size_t size
, current
;
3850 #define SORT_STATE(fields) { fields, ARRAY_SIZE(fields), 0 }
3851 #define get_sort_field(state) ((state).fields[(state).current])
3852 #define sort_order(state, result) ((state).reverse ? -(result) : (result))
3855 sort_view(struct view
*view
, enum request request
, struct sort_state
*state
,
3856 int (*compare
)(const void *, const void *))
3859 case REQ_TOGGLE_SORT_FIELD
:
3860 state
->current
= (state
->current
+ 1) % state
->size
;
3863 case REQ_TOGGLE_SORT_ORDER
:
3864 state
->reverse
= !state
->reverse
;
3867 die("Not a sort request");
3870 qsort(view
->line
, view
->lines
, sizeof(*view
->line
), compare
);
3874 DEFINE_ALLOCATOR(realloc_authors
, const char *, 256)
3876 /* Small author cache to reduce memory consumption. It uses binary
3877 * search to lookup or find place to position new entries. No entries
3878 * are ever freed. */
3880 get_author(const char *name
)
3882 static const char **authors
;
3883 static size_t authors_size
;
3884 int from
= 0, to
= authors_size
- 1;
3886 while (from
<= to
) {
3887 size_t pos
= (to
+ from
) / 2;
3888 int cmp
= strcmp(name
, authors
[pos
]);
3891 return authors
[pos
];
3899 if (!realloc_authors(&authors
, authors_size
, 1))
3901 name
= strdup(name
);
3905 memmove(authors
+ from
+ 1, authors
+ from
, (authors_size
- from
) * sizeof(*authors
));
3906 authors
[from
] = name
;
3913 parse_timesec(struct time
*time
, const char *sec
)
3915 time
->sec
= (time_t) atol(sec
);
3919 parse_timezone(struct time
*time
, const char *zone
)
3923 tz
= ('0' - zone
[1]) * 60 * 60 * 10;
3924 tz
+= ('0' - zone
[2]) * 60 * 60;
3925 tz
+= ('0' - zone
[3]) * 60 * 10;
3926 tz
+= ('0' - zone
[4]) * 60;
3935 /* Parse author lines where the name may be empty:
3936 * author <email@address.tld> 1138474660 +0100
3939 parse_author_line(char *ident
, const char **author
, struct time
*time
)
3941 char *nameend
= strchr(ident
, '<');
3942 char *emailend
= strchr(ident
, '>');
3944 if (nameend
&& emailend
)
3945 *nameend
= *emailend
= 0;
3946 ident
= chomp_string(ident
);
3949 ident
= chomp_string(nameend
+ 1);
3954 *author
= get_author(ident
);
3956 /* Parse epoch and timezone */
3957 if (emailend
&& emailend
[1] == ' ') {
3958 char *secs
= emailend
+ 2;
3959 char *zone
= strchr(secs
, ' ');
3961 parse_timesec(time
, secs
);
3963 if (zone
&& strlen(zone
) == STRING_SIZE(" +0700"))
3964 parse_timezone(time
, zone
+ 1);
3969 open_commit_parent_menu(char buf
[SIZEOF_STR
], int *parents
)
3971 char rev
[SIZEOF_REV
];
3972 const char *revlist_argv
[] = {
3973 "git", "log", "--no-color", "-1", "--pretty=format:%s", rev
, NULL
3975 struct menu_item
*items
;
3976 char text
[SIZEOF_STR
];
3980 items
= calloc(*parents
+ 1, sizeof(*items
));
3984 for (i
= 0; i
< *parents
; i
++) {
3985 string_copy_rev(rev
, &buf
[SIZEOF_REV
* i
]);
3986 if (!io_run_buf(revlist_argv
, text
, sizeof(text
)) ||
3987 !(items
[i
].text
= strdup(text
))) {
3995 ok
= prompt_menu("Select parent", items
, parents
);
3997 for (i
= 0; items
[i
].text
; i
++)
3998 free((char *) items
[i
].text
);
4004 select_commit_parent(const char *id
, char rev
[SIZEOF_REV
], const char *path
)
4006 char buf
[SIZEOF_STR
* 4];
4007 const char *revlist_argv
[] = {
4008 "git", "log", "--no-color", "-1",
4009 "--pretty=format:%P", id
, "--", path
, NULL
4013 if (!io_run_buf(revlist_argv
, buf
, sizeof(buf
)) ||
4014 (parents
= strlen(buf
) / 40) < 0) {
4015 report("Failed to get parent information");
4018 } else if (parents
== 0) {
4020 report("Path '%s' does not exist in the parent", path
);
4022 report("The selected commit has no parents");
4028 else if (!open_commit_parent_menu(buf
, &parents
))
4031 string_copy_rev(rev
, &buf
[41 * parents
]);
4040 pager_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
4042 char text
[SIZEOF_STR
];
4044 if (opt_line_number
&& draw_lineno(view
, lineno
))
4047 string_expand(text
, sizeof(text
), line
->data
, opt_tab_size
);
4048 draw_text(view
, line
->type
, text
, TRUE
);
4053 add_describe_ref(char *buf
, size_t *bufpos
, const char *commit_id
, const char *sep
)
4055 const char *describe_argv
[] = { "git", "describe", commit_id
, NULL
};
4056 char ref
[SIZEOF_STR
];
4058 if (!io_run_buf(describe_argv
, ref
, sizeof(ref
)) || !*ref
)
4061 /* This is the only fatal call, since it can "corrupt" the buffer. */
4062 if (!string_nformat(buf
, SIZEOF_STR
, bufpos
, "%s%s", sep
, ref
))
4069 add_pager_refs(struct view
*view
, struct line
*line
)
4071 char buf
[SIZEOF_STR
];
4072 char *commit_id
= (char *)line
->data
+ STRING_SIZE("commit ");
4073 struct ref_list
*list
;
4074 size_t bufpos
= 0, i
;
4075 const char *sep
= "Refs: ";
4076 bool is_tag
= FALSE
;
4078 assert(line
->type
== LINE_COMMIT
);
4080 list
= get_ref_list(commit_id
);
4082 if (view
->type
== VIEW_DIFF
)
4083 goto try_add_describe_ref
;
4087 for (i
= 0; i
< list
->size
; i
++) {
4088 struct ref
*ref
= list
->refs
[i
];
4089 const char *fmt
= ref
->tag
? "%s[%s]" :
4090 ref
->remote
? "%s<%s>" : "%s%s";
4092 if (!string_format_from(buf
, &bufpos
, fmt
, sep
, ref
->name
))
4099 if (!is_tag
&& view
->type
== VIEW_DIFF
) {
4100 try_add_describe_ref
:
4101 /* Add <tag>-g<commit_id> "fake" reference. */
4102 if (!add_describe_ref(buf
, &bufpos
, commit_id
, sep
))
4109 add_line_text(view
, buf
, LINE_PP_REFS
);
4113 pager_read(struct view
*view
, char *data
)
4120 line
= add_line_text(view
, data
, get_line_type(data
));
4124 if (line
->type
== LINE_COMMIT
&&
4125 (view
->type
== VIEW_DIFF
||
4126 view
->type
== VIEW_LOG
))
4127 add_pager_refs(view
, line
);
4133 pager_request(struct view
*view
, enum request request
, struct line
*line
)
4137 if (request
!= REQ_ENTER
)
4140 if (line
->type
== LINE_COMMIT
&&
4141 (view
->type
== VIEW_LOG
||
4142 view
->type
== VIEW_PAGER
)) {
4143 open_view(view
, REQ_VIEW_DIFF
, OPEN_SPLIT
);
4147 /* Always scroll the view even if it was split. That way
4148 * you can use Enter to scroll through the log view and
4149 * split open each commit diff. */
4150 scroll_view(view
, REQ_SCROLL_LINE_DOWN
);
4152 /* FIXME: A minor workaround. Scrolling the view will call report("")
4153 * but if we are scrolling a non-current view this won't properly
4154 * update the view title. */
4156 update_view_title(view
);
4162 pager_grep(struct view
*view
, struct line
*line
)
4164 const char *text
[] = { line
->data
, NULL
};
4166 return grep_text(view
, text
);
4170 pager_select(struct view
*view
, struct line
*line
)
4172 if (line
->type
== LINE_COMMIT
) {
4173 char *text
= (char *)line
->data
+ STRING_SIZE("commit ");
4175 if (view
->type
!= VIEW_PAGER
)
4176 string_copy_rev(view
->ref
, text
);
4177 string_copy_rev(ref_commit
, text
);
4181 static struct view_ops pager_ops
= {
4192 static const char *log_argv
[SIZEOF_ARG
] = {
4193 "git", "log", "--no-color", "--cc", "--stat", "-n100", "%(head)", NULL
4197 log_request(struct view
*view
, enum request request
, struct line
*line
)
4202 open_view(view
, REQ_VIEW_LOG
, OPEN_REFRESH
);
4205 return pager_request(view
, request
, line
);
4209 static struct view_ops log_ops
= {
4220 static const char *diff_argv
[SIZEOF_ARG
] = {
4221 "git", "show", "--pretty=fuller", "--no-color", "--root",
4222 "--patch-with-stat", "--find-copies-harder", "-C", "%(commit)", NULL
4225 static struct view_ops diff_ops
= {
4240 static bool help_keymap_hidden
[ARRAY_SIZE(keymap_table
)];
4243 help_open_keymap_title(struct view
*view
, enum keymap keymap
)
4247 line
= add_line_format(view
, LINE_HELP_KEYMAP
, "[%c] %s bindings",
4248 help_keymap_hidden
[keymap
] ? '+' : '-',
4249 enum_name(keymap_table
[keymap
]));
4251 line
->other
= keymap
;
4253 return help_keymap_hidden
[keymap
];
4257 help_open_keymap(struct view
*view
, enum keymap keymap
)
4259 const char *group
= NULL
;
4260 char buf
[SIZEOF_STR
];
4262 bool add_title
= TRUE
;
4265 for (i
= 0; i
< ARRAY_SIZE(req_info
); i
++) {
4266 const char *key
= NULL
;
4268 if (req_info
[i
].request
== REQ_NONE
)
4271 if (!req_info
[i
].request
) {
4272 group
= req_info
[i
].help
;
4276 key
= get_keys(keymap
, req_info
[i
].request
, TRUE
);
4280 if (add_title
&& help_open_keymap_title(view
, keymap
))
4285 add_line_text(view
, group
, LINE_HELP_GROUP
);
4289 add_line_format(view
, LINE_DEFAULT
, " %-25s %-20s %s", key
,
4290 enum_name(req_info
[i
]), req_info
[i
].help
);
4293 group
= "External commands:";
4295 for (i
= 0; i
< run_requests
; i
++) {
4296 struct run_request
*req
= get_run_request(REQ_NONE
+ i
+ 1);
4300 if (!req
|| req
->keymap
!= keymap
)
4303 key
= get_key_name(req
->key
);
4305 key
= "(no key defined)";
4307 if (add_title
&& help_open_keymap_title(view
, keymap
))
4310 add_line_text(view
, group
, LINE_HELP_GROUP
);
4314 for (bufpos
= 0, argc
= 0; req
->argv
[argc
]; argc
++)
4315 if (!string_format_from(buf
, &bufpos
, "%s%s",
4316 argc
? " " : "", req
->argv
[argc
]))
4319 add_line_format(view
, LINE_DEFAULT
, " %-25s `%s`", key
, buf
);
4324 help_open(struct view
*view
)
4329 add_line_text(view
, "Quick reference for tig keybindings:", LINE_DEFAULT
);
4330 add_line_text(view
, "", LINE_DEFAULT
);
4332 for (keymap
= 0; keymap
< ARRAY_SIZE(keymap_table
); keymap
++)
4333 help_open_keymap(view
, keymap
);
4339 help_request(struct view
*view
, enum request request
, struct line
*line
)
4343 if (line
->type
== LINE_HELP_KEYMAP
) {
4344 help_keymap_hidden
[line
->other
] =
4345 !help_keymap_hidden
[line
->other
];
4346 view
->p_restore
= TRUE
;
4347 open_view(view
, REQ_VIEW_HELP
, OPEN_REFRESH
);
4352 return pager_request(view
, request
, line
);
4356 static struct view_ops help_ops
= {
4372 struct tree_stack_entry
{
4373 struct tree_stack_entry
*prev
; /* Entry below this in the stack */
4374 unsigned long lineno
; /* Line number to restore */
4375 char *name
; /* Position of name in opt_path */
4378 /* The top of the path stack. */
4379 static struct tree_stack_entry
*tree_stack
= NULL
;
4380 unsigned long tree_lineno
= 0;
4383 pop_tree_stack_entry(void)
4385 struct tree_stack_entry
*entry
= tree_stack
;
4387 tree_lineno
= entry
->lineno
;
4389 tree_stack
= entry
->prev
;
4394 push_tree_stack_entry(const char *name
, unsigned long lineno
)
4396 struct tree_stack_entry
*entry
= calloc(1, sizeof(*entry
));
4397 size_t pathlen
= strlen(opt_path
);
4402 entry
->prev
= tree_stack
;
4403 entry
->name
= opt_path
+ pathlen
;
4406 if (!string_format_from(opt_path
, &pathlen
, "%s/", name
)) {
4407 pop_tree_stack_entry();
4411 /* Move the current line to the first tree entry. */
4413 entry
->lineno
= lineno
;
4416 /* Parse output from git-ls-tree(1):
4418 * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c
4421 #define SIZEOF_TREE_ATTR \
4422 STRING_SIZE("100644 blob f931e1d229c3e185caad4449bf5b66ed72462657\t")
4424 #define SIZEOF_TREE_MODE \
4425 STRING_SIZE("100644 ")
4427 #define TREE_ID_OFFSET \
4428 STRING_SIZE("100644 blob ")
4431 char id
[SIZEOF_REV
];
4433 struct time time
; /* Date from the author ident. */
4434 const char *author
; /* Author of the commit. */
4439 tree_path(const struct line
*line
)
4441 return ((struct tree_entry
*) line
->data
)->name
;
4445 tree_compare_entry(const struct line
*line1
, const struct line
*line2
)
4447 if (line1
->type
!= line2
->type
)
4448 return line1
->type
== LINE_TREE_DIR
? -1 : 1;
4449 return strcmp(tree_path(line1
), tree_path(line2
));
4452 static const enum sort_field tree_sort_fields
[] = {
4453 ORDERBY_NAME
, ORDERBY_DATE
, ORDERBY_AUTHOR
4455 static struct sort_state tree_sort_state
= SORT_STATE(tree_sort_fields
);
4458 tree_compare(const void *l1
, const void *l2
)
4460 const struct line
*line1
= (const struct line
*) l1
;
4461 const struct line
*line2
= (const struct line
*) l2
;
4462 const struct tree_entry
*entry1
= ((const struct line
*) l1
)->data
;
4463 const struct tree_entry
*entry2
= ((const struct line
*) l2
)->data
;
4465 if (line1
->type
== LINE_TREE_HEAD
)
4467 if (line2
->type
== LINE_TREE_HEAD
)
4470 switch (get_sort_field(tree_sort_state
)) {
4472 return sort_order(tree_sort_state
, timecmp(&entry1
->time
, &entry2
->time
));
4474 case ORDERBY_AUTHOR
:
4475 return sort_order(tree_sort_state
, strcmp(entry1
->author
, entry2
->author
));
4479 return sort_order(tree_sort_state
, tree_compare_entry(line1
, line2
));
4484 static struct line
*
4485 tree_entry(struct view
*view
, enum line_type type
, const char *path
,
4486 const char *mode
, const char *id
)
4488 struct tree_entry
*entry
= calloc(1, sizeof(*entry
) + strlen(path
));
4489 struct line
*line
= entry
? add_line_data(view
, entry
, type
) : NULL
;
4491 if (!entry
|| !line
) {
4496 strncpy(entry
->name
, path
, strlen(path
));
4498 entry
->mode
= strtoul(mode
, NULL
, 8);
4500 string_copy_rev(entry
->id
, id
);
4506 tree_read_date(struct view
*view
, char *text
, bool *read_date
)
4508 static const char *author_name
;
4509 static struct time author_time
;
4511 if (!text
&& *read_date
) {
4516 char *path
= *opt_path
? opt_path
: ".";
4517 /* Find next entry to process */
4518 const char *log_file
[] = {
4519 "git", "log", "--no-color", "--pretty=raw",
4520 "--cc", "--raw", view
->id
, "--", path
, NULL
4525 tree_entry(view
, LINE_TREE_HEAD
, opt_path
, NULL
, NULL
);
4526 report("Tree is empty");
4530 if (!io_run_rd(&io
, log_file
, opt_cdup
, FORMAT_NONE
)) {
4531 report("Failed to load tree data");
4535 io_done(view
->pipe
);
4540 } else if (*text
== 'a' && get_line_type(text
) == LINE_AUTHOR
) {
4541 parse_author_line(text
+ STRING_SIZE("author "),
4542 &author_name
, &author_time
);
4544 } else if (*text
== ':') {
4546 size_t annotated
= 1;
4549 pos
= strchr(text
, '\t');
4553 if (*opt_path
&& !strncmp(text
, opt_path
, strlen(opt_path
)))
4554 text
+= strlen(opt_path
);
4555 pos
= strchr(text
, '/');
4559 for (i
= 1; i
< view
->lines
; i
++) {
4560 struct line
*line
= &view
->line
[i
];
4561 struct tree_entry
*entry
= line
->data
;
4563 annotated
+= !!entry
->author
;
4564 if (entry
->author
|| strcmp(entry
->name
, text
))
4567 entry
->author
= author_name
;
4568 entry
->time
= author_time
;
4573 if (annotated
== view
->lines
)
4574 io_kill(view
->pipe
);
4580 tree_read(struct view
*view
, char *text
)
4582 static bool read_date
= FALSE
;
4583 struct tree_entry
*data
;
4584 struct line
*entry
, *line
;
4585 enum line_type type
;
4586 size_t textlen
= text
? strlen(text
) : 0;
4587 char *path
= text
+ SIZEOF_TREE_ATTR
;
4589 if (read_date
|| !text
)
4590 return tree_read_date(view
, text
, &read_date
);
4592 if (textlen
<= SIZEOF_TREE_ATTR
)
4594 if (view
->lines
== 0 &&
4595 !tree_entry(view
, LINE_TREE_HEAD
, opt_path
, NULL
, NULL
))
4598 /* Strip the path part ... */
4600 size_t pathlen
= textlen
- SIZEOF_TREE_ATTR
;
4601 size_t striplen
= strlen(opt_path
);
4603 if (pathlen
> striplen
)
4604 memmove(path
, path
+ striplen
,
4605 pathlen
- striplen
+ 1);
4607 /* Insert "link" to parent directory. */
4608 if (view
->lines
== 1 &&
4609 !tree_entry(view
, LINE_TREE_DIR
, "..", "040000", view
->ref
))
4613 type
= text
[SIZEOF_TREE_MODE
] == 't' ? LINE_TREE_DIR
: LINE_TREE_FILE
;
4614 entry
= tree_entry(view
, type
, path
, text
, text
+ TREE_ID_OFFSET
);
4619 /* Skip "Directory ..." and ".." line. */
4620 for (line
= &view
->line
[1 + !!*opt_path
]; line
< entry
; line
++) {
4621 if (tree_compare_entry(line
, entry
) <= 0)
4624 memmove(line
+ 1, line
, (entry
- line
) * sizeof(*entry
));
4628 for (; line
<= entry
; line
++)
4629 line
->dirty
= line
->cleareol
= 1;
4633 if (tree_lineno
> view
->lineno
) {
4634 view
->lineno
= tree_lineno
;
4642 tree_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
4644 struct tree_entry
*entry
= line
->data
;
4646 if (line
->type
== LINE_TREE_HEAD
) {
4647 if (draw_text(view
, line
->type
, "Directory path /", TRUE
))
4650 if (draw_mode(view
, entry
->mode
))
4653 if (opt_author
&& draw_author(view
, entry
->author
))
4656 if (opt_date
&& draw_date(view
, &entry
->time
))
4659 if (draw_text(view
, line
->type
, entry
->name
, TRUE
))
4665 open_blob_editor(const char *id
)
4667 const char *blob_argv
[] = { "git", "cat-file", "blob", id
, NULL
};
4668 char file
[SIZEOF_STR
] = "/tmp/tigblob.XXXXXX";
4669 int fd
= mkstemp(file
);
4672 report("Failed to create temporary file");
4673 else if (!io_run_append(blob_argv
, FORMAT_NONE
, fd
))
4674 report("Failed to save blob data to file");
4682 tree_request(struct view
*view
, enum request request
, struct line
*line
)
4684 enum open_flags flags
;
4685 struct tree_entry
*entry
= line
->data
;
4688 case REQ_VIEW_BLAME
:
4689 if (line
->type
!= LINE_TREE_FILE
) {
4690 report("Blame only supported for files");
4694 string_copy(opt_ref
, view
->vid
);
4698 if (line
->type
!= LINE_TREE_FILE
) {
4699 report("Edit only supported for files");
4700 } else if (!is_head_commit(view
->vid
)) {
4701 open_blob_editor(entry
->id
);
4703 open_editor(opt_file
);
4707 case REQ_TOGGLE_SORT_FIELD
:
4708 case REQ_TOGGLE_SORT_ORDER
:
4709 sort_view(view
, request
, &tree_sort_state
, tree_compare
);
4714 /* quit view if at top of tree */
4715 return REQ_VIEW_CLOSE
;
4718 line
= &view
->line
[1];
4728 /* Cleanup the stack if the tree view is at a different tree. */
4729 while (!*opt_path
&& tree_stack
)
4730 pop_tree_stack_entry();
4732 switch (line
->type
) {
4734 /* Depending on whether it is a subdirectory or parent link
4735 * mangle the path buffer. */
4736 if (line
== &view
->line
[1] && *opt_path
) {
4737 pop_tree_stack_entry();
4740 const char *basename
= tree_path(line
);
4742 push_tree_stack_entry(basename
, view
->lineno
);
4745 /* Trees and subtrees share the same ID, so they are not not
4746 * unique like blobs. */
4747 flags
= OPEN_RELOAD
;
4748 request
= REQ_VIEW_TREE
;
4751 case LINE_TREE_FILE
:
4752 flags
= view_is_displayed(view
) ? OPEN_SPLIT
: OPEN_DEFAULT
;
4753 request
= REQ_VIEW_BLOB
;
4760 open_view(view
, request
, flags
);
4761 if (request
== REQ_VIEW_TREE
)
4762 view
->lineno
= tree_lineno
;
4768 tree_grep(struct view
*view
, struct line
*line
)
4770 struct tree_entry
*entry
= line
->data
;
4771 const char *text
[] = {
4773 opt_author
? entry
->author
: "",
4774 mkdate(&entry
->time
, opt_date
),
4778 return grep_text(view
, text
);
4782 tree_select(struct view
*view
, struct line
*line
)
4784 struct tree_entry
*entry
= line
->data
;
4786 if (line
->type
== LINE_TREE_FILE
) {
4787 string_copy_rev(ref_blob
, entry
->id
);
4788 string_format(opt_file
, "%s%s", opt_path
, tree_path(line
));
4790 } else if (line
->type
!= LINE_TREE_DIR
) {
4794 string_copy_rev(view
->ref
, entry
->id
);
4798 tree_prepare(struct view
*view
)
4800 if (view
->lines
== 0 && opt_prefix
[0]) {
4801 char *pos
= opt_prefix
;
4803 while (pos
&& *pos
) {
4804 char *end
= strchr(pos
, '/');
4808 push_tree_stack_entry(pos
, 0);
4816 } else if (strcmp(view
->vid
, view
->id
)) {
4820 return io_format(&view
->io
, opt_cdup
, IO_RD
, view
->ops
->argv
, FORMAT_ALL
);
4823 static const char *tree_argv
[SIZEOF_ARG
] = {
4824 "git", "ls-tree", "%(commit)", "%(directory)", NULL
4827 static struct view_ops tree_ops
= {
4840 blob_read(struct view
*view
, char *line
)
4844 return add_line_text(view
, line
, LINE_DEFAULT
) != NULL
;
4848 blob_request(struct view
*view
, enum request request
, struct line
*line
)
4852 open_blob_editor(view
->vid
);
4855 return pager_request(view
, request
, line
);
4859 static const char *blob_argv
[SIZEOF_ARG
] = {
4860 "git", "cat-file", "blob", "%(blob)", NULL
4863 static struct view_ops blob_ops
= {
4877 * Loading the blame view is a two phase job:
4879 * 1. File content is read either using opt_file from the
4880 * filesystem or using git-cat-file.
4881 * 2. Then blame information is incrementally added by
4882 * reading output from git-blame.
4885 static const char *blame_head_argv
[] = {
4886 "git", "blame", "--incremental", "--", "%(file)", NULL
4889 static const char *blame_ref_argv
[] = {
4890 "git", "blame", "--incremental", "%(ref)", "--", "%(file)", NULL
4893 static const char *blame_cat_file_argv
[] = {
4894 "git", "cat-file", "blob", "%(ref):%(file)", NULL
4897 struct blame_commit
{
4898 char id
[SIZEOF_REV
]; /* SHA1 ID. */
4899 char title
[128]; /* First line of the commit message. */
4900 const char *author
; /* Author of the commit. */
4901 struct time time
; /* Date from the author ident. */
4902 char filename
[128]; /* Name of file. */
4903 bool has_previous
; /* Was a "previous" line detected. */
4907 struct blame_commit
*commit
;
4908 unsigned long lineno
;
4913 blame_open(struct view
*view
)
4915 char path
[SIZEOF_STR
];
4917 if (!view
->prev
&& *opt_prefix
) {
4918 string_copy(path
, opt_file
);
4919 if (!string_format(opt_file
, "%s%s", opt_prefix
, path
))
4923 if (*opt_ref
|| !io_open(&view
->io
, "%s%s", opt_cdup
, opt_file
)) {
4924 if (!io_run_rd(&view
->io
, blame_cat_file_argv
, opt_cdup
, FORMAT_ALL
))
4928 setup_update(view
, opt_file
);
4929 string_format(view
->ref
, "%s ...", opt_file
);
4934 static struct blame_commit
*
4935 get_blame_commit(struct view
*view
, const char *id
)
4939 for (i
= 0; i
< view
->lines
; i
++) {
4940 struct blame
*blame
= view
->line
[i
].data
;
4945 if (!strncmp(blame
->commit
->id
, id
, SIZEOF_REV
- 1))
4946 return blame
->commit
;
4950 struct blame_commit
*commit
= calloc(1, sizeof(*commit
));
4953 string_ncopy(commit
->id
, id
, SIZEOF_REV
);
4959 parse_number(const char **posref
, size_t *number
, size_t min
, size_t max
)
4961 const char *pos
= *posref
;
4964 pos
= strchr(pos
+ 1, ' ');
4965 if (!pos
|| !isdigit(pos
[1]))
4967 *number
= atoi(pos
+ 1);
4968 if (*number
< min
|| *number
> max
)
4975 static struct blame_commit
*
4976 parse_blame_commit(struct view
*view
, const char *text
, int *blamed
)
4978 struct blame_commit
*commit
;
4979 struct blame
*blame
;
4980 const char *pos
= text
+ SIZEOF_REV
- 2;
4981 size_t orig_lineno
= 0;
4985 if (strlen(text
) <= SIZEOF_REV
|| pos
[1] != ' ')
4988 if (!parse_number(&pos
, &orig_lineno
, 1, 9999999) ||
4989 !parse_number(&pos
, &lineno
, 1, view
->lines
) ||
4990 !parse_number(&pos
, &group
, 1, view
->lines
- lineno
+ 1))
4993 commit
= get_blame_commit(view
, text
);
4999 struct line
*line
= &view
->line
[lineno
+ group
- 1];
5002 blame
->commit
= commit
;
5003 blame
->lineno
= orig_lineno
+ group
- 1;
5011 blame_read_file(struct view
*view
, const char *line
, bool *read_file
)
5014 const char **argv
= *opt_ref
? blame_ref_argv
: blame_head_argv
;
5017 if (view
->lines
== 0 && !view
->prev
)
5018 die("No blame exist for %s", view
->vid
);
5020 if (view
->lines
== 0 || !io_run_rd(&io
, argv
, opt_cdup
, FORMAT_ALL
)) {
5021 report("Failed to load blame data");
5025 io_done(view
->pipe
);
5031 size_t linelen
= strlen(line
);
5032 struct blame
*blame
= malloc(sizeof(*blame
) + linelen
);
5037 blame
->commit
= NULL
;
5038 strncpy(blame
->text
, line
, linelen
);
5039 blame
->text
[linelen
] = 0;
5040 return add_line_data(view
, blame
, LINE_BLAME_ID
) != NULL
;
5045 match_blame_header(const char *name
, char **line
)
5047 size_t namelen
= strlen(name
);
5048 bool matched
= !strncmp(name
, *line
, namelen
);
5057 blame_read(struct view
*view
, char *line
)
5059 static struct blame_commit
*commit
= NULL
;
5060 static int blamed
= 0;
5061 static bool read_file
= TRUE
;
5064 return blame_read_file(view
, line
, &read_file
);
5071 string_format(view
->ref
, "%s", view
->vid
);
5072 if (view_is_displayed(view
)) {
5073 update_view_title(view
);
5074 redraw_view_from(view
, 0);
5080 commit
= parse_blame_commit(view
, line
, &blamed
);
5081 string_format(view
->ref
, "%s %2d%%", view
->vid
,
5082 view
->lines
? blamed
* 100 / view
->lines
: 0);
5084 } else if (match_blame_header("author ", &line
)) {
5085 commit
->author
= get_author(line
);
5087 } else if (match_blame_header("author-time ", &line
)) {
5088 parse_timesec(&commit
->time
, line
);
5090 } else if (match_blame_header("author-tz ", &line
)) {
5091 parse_timezone(&commit
->time
, line
);
5093 } else if (match_blame_header("summary ", &line
)) {
5094 string_ncopy(commit
->title
, line
, strlen(line
));
5096 } else if (match_blame_header("previous ", &line
)) {
5097 commit
->has_previous
= TRUE
;
5099 } else if (match_blame_header("filename ", &line
)) {
5100 string_ncopy(commit
->filename
, line
, strlen(line
));
5108 blame_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
5110 struct blame
*blame
= line
->data
;
5111 struct time
*time
= NULL
;
5112 const char *id
= NULL
, *author
= NULL
;
5113 char text
[SIZEOF_STR
];
5115 if (blame
->commit
&& *blame
->commit
->filename
) {
5116 id
= blame
->commit
->id
;
5117 author
= blame
->commit
->author
;
5118 time
= &blame
->commit
->time
;
5121 if (opt_date
&& draw_date(view
, time
))
5124 if (opt_author
&& draw_author(view
, author
))
5127 if (draw_field(view
, LINE_BLAME_ID
, id
, ID_COLS
, FALSE
))
5130 if (draw_lineno(view
, lineno
))
5133 string_expand(text
, sizeof(text
), blame
->text
, opt_tab_size
);
5134 draw_text(view
, LINE_DEFAULT
, text
, TRUE
);
5139 check_blame_commit(struct blame
*blame
, bool check_null_id
)
5142 report("Commit data not loaded yet");
5143 else if (check_null_id
&& !strcmp(blame
->commit
->id
, NULL_ID
))
5144 report("No commit exist for the selected line");
5151 setup_blame_parent_line(struct view
*view
, struct blame
*blame
)
5153 const char *diff_tree_argv
[] = {
5154 "git", "diff-tree", "-U0", blame
->commit
->id
,
5155 "--", blame
->commit
->filename
, NULL
5158 int parent_lineno
= -1;
5159 int blamed_lineno
= -1;
5162 if (!io_run(&io
, diff_tree_argv
, NULL
, IO_RD
))
5165 while ((line
= io_get(&io
, '\n', TRUE
))) {
5167 char *pos
= strchr(line
, '+');
5169 parent_lineno
= atoi(line
+ 4);
5171 blamed_lineno
= atoi(pos
+ 1);
5173 } else if (*line
== '+' && parent_lineno
!= -1) {
5174 if (blame
->lineno
== blamed_lineno
- 1 &&
5175 !strcmp(blame
->text
, line
+ 1)) {
5176 view
->lineno
= parent_lineno
? parent_lineno
- 1 : 0;
5187 blame_request(struct view
*view
, enum request request
, struct line
*line
)
5189 enum open_flags flags
= view_is_displayed(view
) ? OPEN_SPLIT
: OPEN_DEFAULT
;
5190 struct blame
*blame
= line
->data
;
5193 case REQ_VIEW_BLAME
:
5194 if (check_blame_commit(blame
, TRUE
)) {
5195 string_copy(opt_ref
, blame
->commit
->id
);
5196 string_copy(opt_file
, blame
->commit
->filename
);
5198 view
->lineno
= blame
->lineno
;
5199 open_view(view
, REQ_VIEW_BLAME
, OPEN_REFRESH
);
5204 if (check_blame_commit(blame
, TRUE
) &&
5205 select_commit_parent(blame
->commit
->id
, opt_ref
,
5206 blame
->commit
->filename
)) {
5207 string_copy(opt_file
, blame
->commit
->filename
);
5208 setup_blame_parent_line(view
, blame
);
5209 open_view(view
, REQ_VIEW_BLAME
, OPEN_REFRESH
);
5214 if (!check_blame_commit(blame
, FALSE
))
5217 if (view_is_displayed(VIEW(REQ_VIEW_DIFF
)) &&
5218 !strcmp(blame
->commit
->id
, VIEW(REQ_VIEW_DIFF
)->ref
))
5221 if (!strcmp(blame
->commit
->id
, NULL_ID
)) {
5222 struct view
*diff
= VIEW(REQ_VIEW_DIFF
);
5223 const char *diff_index_argv
[] = {
5224 "git", "diff-index", "--root", "--patch-with-stat",
5225 "-C", "-M", "HEAD", "--", view
->vid
, NULL
5228 if (!blame
->commit
->has_previous
) {
5229 diff_index_argv
[1] = "diff";
5230 diff_index_argv
[2] = "--no-color";
5231 diff_index_argv
[6] = "--";
5232 diff_index_argv
[7] = "/dev/null";
5235 if (!prepare_update(diff
, diff_index_argv
, NULL
)) {
5236 report("Failed to allocate diff command");
5239 flags
|= OPEN_PREPARED
;
5242 open_view(view
, REQ_VIEW_DIFF
, flags
);
5243 if (VIEW(REQ_VIEW_DIFF
)->pipe
&& !strcmp(blame
->commit
->id
, NULL_ID
))
5244 string_copy_rev(VIEW(REQ_VIEW_DIFF
)->ref
, NULL_ID
);
5255 blame_grep(struct view
*view
, struct line
*line
)
5257 struct blame
*blame
= line
->data
;
5258 struct blame_commit
*commit
= blame
->commit
;
5259 const char *text
[] = {
5261 commit
? commit
->title
: "",
5262 commit
? commit
->id
: "",
5263 commit
&& opt_author
? commit
->author
: "",
5264 commit
? mkdate(&commit
->time
, opt_date
) : "",
5268 return grep_text(view
, text
);
5272 blame_select(struct view
*view
, struct line
*line
)
5274 struct blame
*blame
= line
->data
;
5275 struct blame_commit
*commit
= blame
->commit
;
5280 if (!strcmp(commit
->id
, NULL_ID
))
5281 string_ncopy(ref_commit
, "HEAD", 4);
5283 string_copy_rev(ref_commit
, commit
->id
);
5286 static struct view_ops blame_ops
= {
5302 const char *author
; /* Author of the last commit. */
5303 struct time time
; /* Date of the last activity. */
5304 const struct ref
*ref
; /* Name and commit ID information. */
5307 static const struct ref branch_all
;
5309 static const enum sort_field branch_sort_fields
[] = {
5310 ORDERBY_NAME
, ORDERBY_DATE
, ORDERBY_AUTHOR
5312 static struct sort_state branch_sort_state
= SORT_STATE(branch_sort_fields
);
5315 branch_compare(const void *l1
, const void *l2
)
5317 const struct branch
*branch1
= ((const struct line
*) l1
)->data
;
5318 const struct branch
*branch2
= ((const struct line
*) l2
)->data
;
5320 switch (get_sort_field(branch_sort_state
)) {
5322 return sort_order(branch_sort_state
, timecmp(&branch1
->time
, &branch2
->time
));
5324 case ORDERBY_AUTHOR
:
5325 return sort_order(branch_sort_state
, strcmp(branch1
->author
, branch2
->author
));
5329 return sort_order(branch_sort_state
, strcmp(branch1
->ref
->name
, branch2
->ref
->name
));
5334 branch_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
5336 struct branch
*branch
= line
->data
;
5337 enum line_type type
= branch
->ref
->head
? LINE_MAIN_HEAD
: LINE_DEFAULT
;
5339 if (opt_date
&& draw_date(view
, &branch
->time
))
5342 if (opt_author
&& draw_author(view
, branch
->author
))
5345 draw_text(view
, type
, branch
->ref
== &branch_all
? "All branches" : branch
->ref
->name
, TRUE
);
5350 branch_request(struct view
*view
, enum request request
, struct line
*line
)
5352 struct branch
*branch
= line
->data
;
5357 open_view(view
, REQ_VIEW_BRANCH
, OPEN_REFRESH
);
5360 case REQ_TOGGLE_SORT_FIELD
:
5361 case REQ_TOGGLE_SORT_ORDER
:
5362 sort_view(view
, request
, &branch_sort_state
, branch_compare
);
5366 if (branch
->ref
== &branch_all
) {
5367 const char *all_branches_argv
[] = {
5368 "git", "log", "--no-color", "--pretty=raw", "--parents",
5369 "--topo-order", "--all", NULL
5371 struct view
*main_view
= VIEW(REQ_VIEW_MAIN
);
5373 if (!prepare_update(main_view
, all_branches_argv
, NULL
)) {
5374 report("Failed to load view of all branches");
5377 open_view(view
, REQ_VIEW_MAIN
, OPEN_PREPARED
| OPEN_SPLIT
);
5379 open_view(view
, REQ_VIEW_MAIN
, OPEN_SPLIT
);
5389 branch_read(struct view
*view
, char *line
)
5391 static char id
[SIZEOF_REV
];
5392 struct branch
*reference
;
5398 switch (get_line_type(line
)) {
5400 string_copy_rev(id
, line
+ STRING_SIZE("commit "));
5404 for (i
= 0, reference
= NULL
; i
< view
->lines
; i
++) {
5405 struct branch
*branch
= view
->line
[i
].data
;
5407 if (strcmp(branch
->ref
->id
, id
))
5410 view
->line
[i
].dirty
= TRUE
;
5412 branch
->author
= reference
->author
;
5413 branch
->time
= reference
->time
;
5417 parse_author_line(line
+ STRING_SIZE("author "),
5418 &branch
->author
, &branch
->time
);
5430 branch_open_visitor(void *data
, const struct ref
*ref
)
5432 struct view
*view
= data
;
5433 struct branch
*branch
;
5435 if (ref
->tag
|| ref
->ltag
|| ref
->remote
)
5438 branch
= calloc(1, sizeof(*branch
));
5443 return !!add_line_data(view
, branch
, LINE_DEFAULT
);
5447 branch_open(struct view
*view
)
5449 const char *branch_log
[] = {
5450 "git", "log", "--no-color", "--pretty=raw",
5451 "--simplify-by-decoration", "--all", NULL
5454 if (!io_run_rd(&view
->io
, branch_log
, NULL
, FORMAT_NONE
)) {
5455 report("Failed to load branch data");
5459 setup_update(view
, view
->id
);
5460 branch_open_visitor(view
, &branch_all
);
5461 foreach_ref(branch_open_visitor
, view
);
5462 view
->p_restore
= TRUE
;
5468 branch_grep(struct view
*view
, struct line
*line
)
5470 struct branch
*branch
= line
->data
;
5471 const char *text
[] = {
5477 return grep_text(view
, text
);
5481 branch_select(struct view
*view
, struct line
*line
)
5483 struct branch
*branch
= line
->data
;
5485 string_copy_rev(view
->ref
, branch
->ref
->id
);
5486 string_copy_rev(ref_commit
, branch
->ref
->id
);
5487 string_copy_rev(ref_head
, branch
->ref
->id
);
5488 string_copy_rev(ref_branch
, branch
->ref
->name
);
5491 static struct view_ops branch_ops
= {
5510 char rev
[SIZEOF_REV
];
5511 char name
[SIZEOF_STR
];
5515 char rev
[SIZEOF_REV
];
5516 char name
[SIZEOF_STR
];
5520 static char status_onbranch
[SIZEOF_STR
];
5521 static struct status stage_status
;
5522 static enum line_type stage_line_type
;
5523 static size_t stage_chunks
;
5524 static int *stage_chunk
;
5526 DEFINE_ALLOCATOR(realloc_ints
, int, 32)
5528 /* This should work even for the "On branch" line. */
5530 status_has_none(struct view
*view
, struct line
*line
)
5532 return line
< view
->line
+ view
->lines
&& !line
[1].data
;
5535 /* Get fields from the diff line:
5536 * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
5539 status_get_diff(struct status
*file
, const char *buf
, size_t bufsize
)
5541 const char *old_mode
= buf
+ 1;
5542 const char *new_mode
= buf
+ 8;
5543 const char *old_rev
= buf
+ 15;
5544 const char *new_rev
= buf
+ 56;
5545 const char *status
= buf
+ 97;
5548 old_mode
[-1] != ':' ||
5549 new_mode
[-1] != ' ' ||
5550 old_rev
[-1] != ' ' ||
5551 new_rev
[-1] != ' ' ||
5555 file
->status
= *status
;
5557 string_copy_rev(file
->old
.rev
, old_rev
);
5558 string_copy_rev(file
->new.rev
, new_rev
);
5560 file
->old
.mode
= strtoul(old_mode
, NULL
, 8);
5561 file
->new.mode
= strtoul(new_mode
, NULL
, 8);
5563 file
->old
.name
[0] = file
->new.name
[0] = 0;
5569 status_run(struct view
*view
, const char *argv
[], char status
, enum line_type type
)
5571 struct status
*unmerged
= NULL
;
5575 if (!io_run(&io
, argv
, opt_cdup
, IO_RD
))
5578 add_line_data(view
, NULL
, type
);
5580 while ((buf
= io_get(&io
, 0, TRUE
))) {
5581 struct status
*file
= unmerged
;
5584 file
= calloc(1, sizeof(*file
));
5585 if (!file
|| !add_line_data(view
, file
, type
))
5589 /* Parse diff info part. */
5591 file
->status
= status
;
5593 string_copy(file
->old
.rev
, NULL_ID
);
5595 } else if (!file
->status
|| file
== unmerged
) {
5596 if (!status_get_diff(file
, buf
, strlen(buf
)))
5599 buf
= io_get(&io
, 0, TRUE
);
5603 /* Collapse all modified entries that follow an
5604 * associated unmerged entry. */
5605 if (unmerged
== file
) {
5606 unmerged
->status
= 'U';
5608 } else if (file
->status
== 'U') {
5613 /* Grab the old name for rename/copy. */
5614 if (!*file
->old
.name
&&
5615 (file
->status
== 'R' || file
->status
== 'C')) {
5616 string_ncopy(file
->old
.name
, buf
, strlen(buf
));
5618 buf
= io_get(&io
, 0, TRUE
);
5623 /* git-ls-files just delivers a NUL separated list of
5624 * file names similar to the second half of the
5625 * git-diff-* output. */
5626 string_ncopy(file
->new.name
, buf
, strlen(buf
));
5627 if (!*file
->old
.name
)
5628 string_copy(file
->old
.name
, file
->new.name
);
5632 if (io_error(&io
)) {
5638 if (!view
->line
[view
->lines
- 1].data
)
5639 add_line_data(view
, NULL
, LINE_STAT_NONE
);
5645 /* Don't show unmerged entries in the staged section. */
5646 static const char *status_diff_index_argv
[] = {
5647 "git", "diff-index", "-z", "--diff-filter=ACDMRTXB",
5648 "--cached", "-M", "HEAD", NULL
5651 static const char *status_diff_files_argv
[] = {
5652 "git", "diff-files", "-z", NULL
5655 static const char *status_list_other_argv
[] = {
5656 "git", "ls-files", "-z", "--others", "--exclude-standard", opt_prefix
, NULL
5659 static const char *status_list_no_head_argv
[] = {
5660 "git", "ls-files", "-z", "--cached", "--exclude-standard", NULL
5663 static const char *update_index_argv
[] = {
5664 "git", "update-index", "-q", "--unmerged", "--refresh", NULL
5667 /* Restore the previous line number to stay in the context or select a
5668 * line with something that can be updated. */
5670 status_restore(struct view
*view
)
5672 if (view
->p_lineno
>= view
->lines
)
5673 view
->p_lineno
= view
->lines
- 1;
5674 while (view
->p_lineno
< view
->lines
&& !view
->line
[view
->p_lineno
].data
)
5676 while (view
->p_lineno
> 0 && !view
->line
[view
->p_lineno
].data
)
5679 /* If the above fails, always skip the "On branch" line. */
5680 if (view
->p_lineno
< view
->lines
)
5681 view
->lineno
= view
->p_lineno
;
5685 if (view
->lineno
< view
->offset
)
5686 view
->offset
= view
->lineno
;
5687 else if (view
->offset
+ view
->height
<= view
->lineno
)
5688 view
->offset
= view
->lineno
- view
->height
+ 1;
5690 view
->p_restore
= FALSE
;
5694 status_update_onbranch(void)
5696 static const char *paths
[][2] = {
5697 { "rebase-apply/rebasing", "Rebasing" },
5698 { "rebase-apply/applying", "Applying mailbox" },
5699 { "rebase-apply/", "Rebasing mailbox" },
5700 { "rebase-merge/interactive", "Interactive rebase" },
5701 { "rebase-merge/", "Rebase merge" },
5702 { "MERGE_HEAD", "Merging" },
5703 { "BISECT_LOG", "Bisecting" },
5704 { "HEAD", "On branch" },
5706 char buf
[SIZEOF_STR
];
5710 if (is_initial_commit()) {
5711 string_copy(status_onbranch
, "Initial commit");
5715 for (i
= 0; i
< ARRAY_SIZE(paths
); i
++) {
5716 char *head
= opt_head
;
5718 if (!string_format(buf
, "%s/%s", opt_git_dir
, paths
[i
][0]) ||
5719 lstat(buf
, &stat
) < 0)
5725 if (io_open(&io
, "%s/rebase-merge/head-name", opt_git_dir
) &&
5726 io_read_buf(&io
, buf
, sizeof(buf
))) {
5728 if (!prefixcmp(head
, "refs/heads/"))
5729 head
+= STRING_SIZE("refs/heads/");
5733 if (!string_format(status_onbranch
, "%s %s", paths
[i
][1], head
))
5734 string_copy(status_onbranch
, opt_head
);
5738 string_copy(status_onbranch
, "Not currently on any branch");
5741 /* First parse staged info using git-diff-index(1), then parse unstaged
5742 * info using git-diff-files(1), and finally untracked files using
5743 * git-ls-files(1). */
5745 status_open(struct view
*view
)
5749 add_line_data(view
, NULL
, LINE_STAT_HEAD
);
5750 status_update_onbranch();
5752 io_run_bg(update_index_argv
);
5754 if (is_initial_commit()) {
5755 if (!status_run(view
, status_list_no_head_argv
, 'A', LINE_STAT_STAGED
))
5757 } else if (!status_run(view
, status_diff_index_argv
, 0, LINE_STAT_STAGED
)) {
5761 if (!status_run(view
, status_diff_files_argv
, 0, LINE_STAT_UNSTAGED
) ||
5762 !status_run(view
, status_list_other_argv
, '?', LINE_STAT_UNTRACKED
))
5765 /* Restore the exact position or use the specialized restore
5767 if (!view
->p_restore
)
5768 status_restore(view
);
5773 status_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
5775 struct status
*status
= line
->data
;
5776 enum line_type type
;
5780 switch (line
->type
) {
5781 case LINE_STAT_STAGED
:
5782 type
= LINE_STAT_SECTION
;
5783 text
= "Changes to be committed:";
5786 case LINE_STAT_UNSTAGED
:
5787 type
= LINE_STAT_SECTION
;
5788 text
= "Changed but not updated:";
5791 case LINE_STAT_UNTRACKED
:
5792 type
= LINE_STAT_SECTION
;
5793 text
= "Untracked files:";
5796 case LINE_STAT_NONE
:
5797 type
= LINE_DEFAULT
;
5798 text
= " (no files)";
5801 case LINE_STAT_HEAD
:
5802 type
= LINE_STAT_HEAD
;
5803 text
= status_onbranch
;
5810 static char buf
[] = { '?', ' ', ' ', ' ', 0 };
5812 buf
[0] = status
->status
;
5813 if (draw_text(view
, line
->type
, buf
, TRUE
))
5815 type
= LINE_DEFAULT
;
5816 text
= status
->new.name
;
5819 draw_text(view
, type
, text
, TRUE
);
5824 status_load_error(struct view
*view
, struct view
*stage
, const char *path
)
5826 if (displayed_views() == 2 || display
[current_view
] != view
)
5827 maximize_view(view
);
5828 report("Failed to load '%s': %s", path
, io_strerror(&stage
->io
));
5833 status_enter(struct view
*view
, struct line
*line
)
5835 struct status
*status
= line
->data
;
5836 const char *oldpath
= status
? status
->old
.name
: NULL
;
5837 /* Diffs for unmerged entries are empty when passing the new
5838 * path, so leave it empty. */
5839 const char *newpath
= status
&& status
->status
!= 'U' ? status
->new.name
: NULL
;
5841 enum open_flags split
;
5842 struct view
*stage
= VIEW(REQ_VIEW_STAGE
);
5844 if (line
->type
== LINE_STAT_NONE
||
5845 (!status
&& line
[1].type
== LINE_STAT_NONE
)) {
5846 report("No file to diff");
5850 switch (line
->type
) {
5851 case LINE_STAT_STAGED
:
5852 if (is_initial_commit()) {
5853 const char *no_head_diff_argv
[] = {
5854 "git", "diff", "--no-color", "--patch-with-stat",
5855 "--", "/dev/null", newpath
, NULL
5858 if (!prepare_update(stage
, no_head_diff_argv
, opt_cdup
))
5859 return status_load_error(view
, stage
, newpath
);
5861 const char *index_show_argv
[] = {
5862 "git", "diff-index", "--root", "--patch-with-stat",
5863 "-C", "-M", "--cached", "HEAD", "--",
5864 oldpath
, newpath
, NULL
5867 if (!prepare_update(stage
, index_show_argv
, opt_cdup
))
5868 return status_load_error(view
, stage
, newpath
);
5872 info
= "Staged changes to %s";
5874 info
= "Staged changes";
5877 case LINE_STAT_UNSTAGED
:
5879 const char *files_show_argv
[] = {
5880 "git", "diff-files", "--root", "--patch-with-stat",
5881 "-C", "-M", "--", oldpath
, newpath
, NULL
5884 if (!prepare_update(stage
, files_show_argv
, opt_cdup
))
5885 return status_load_error(view
, stage
, newpath
);
5887 info
= "Unstaged changes to %s";
5889 info
= "Unstaged changes";
5892 case LINE_STAT_UNTRACKED
:
5894 report("No file to show");
5898 if (!suffixcmp(status
->new.name
, -1, "/")) {
5899 report("Cannot display a directory");
5903 if (!prepare_update_file(stage
, newpath
))
5904 return status_load_error(view
, stage
, newpath
);
5905 info
= "Untracked file %s";
5908 case LINE_STAT_HEAD
:
5912 die("line type %d not handled in switch", line
->type
);
5915 split
= view_is_displayed(view
) ? OPEN_SPLIT
: OPEN_DEFAULT
;
5916 open_view(view
, REQ_VIEW_STAGE
, OPEN_PREPARED
| split
);
5917 if (view_is_displayed(VIEW(REQ_VIEW_STAGE
))) {
5919 stage_status
= *status
;
5921 memset(&stage_status
, 0, sizeof(stage_status
));
5924 stage_line_type
= line
->type
;
5926 string_format(VIEW(REQ_VIEW_STAGE
)->ref
, info
, stage_status
.new.name
);
5933 status_exists(struct status
*status
, enum line_type type
)
5935 struct view
*view
= VIEW(REQ_VIEW_STATUS
);
5936 unsigned long lineno
;
5938 for (lineno
= 0; lineno
< view
->lines
; lineno
++) {
5939 struct line
*line
= &view
->line
[lineno
];
5940 struct status
*pos
= line
->data
;
5942 if (line
->type
!= type
)
5944 if (!pos
&& (!status
|| !status
->status
) && line
[1].data
) {
5945 select_view_line(view
, lineno
);
5948 if (pos
&& !strcmp(status
->new.name
, pos
->new.name
)) {
5949 select_view_line(view
, lineno
);
5959 status_update_prepare(struct io
*io
, enum line_type type
)
5961 const char *staged_argv
[] = {
5962 "git", "update-index", "-z", "--index-info", NULL
5964 const char *others_argv
[] = {
5965 "git", "update-index", "-z", "--add", "--remove", "--stdin", NULL
5969 case LINE_STAT_STAGED
:
5970 return io_run(io
, staged_argv
, opt_cdup
, IO_WR
);
5972 case LINE_STAT_UNSTAGED
:
5973 case LINE_STAT_UNTRACKED
:
5974 return io_run(io
, others_argv
, opt_cdup
, IO_WR
);
5977 die("line type %d not handled in switch", type
);
5983 status_update_write(struct io
*io
, struct status
*status
, enum line_type type
)
5985 char buf
[SIZEOF_STR
];
5989 case LINE_STAT_STAGED
:
5990 if (!string_format_from(buf
, &bufsize
, "%06o %s\t%s%c",
5993 status
->old
.name
, 0))
5997 case LINE_STAT_UNSTAGED
:
5998 case LINE_STAT_UNTRACKED
:
5999 if (!string_format_from(buf
, &bufsize
, "%s%c", status
->new.name
, 0))
6004 die("line type %d not handled in switch", type
);
6007 return io_write(io
, buf
, bufsize
);
6011 status_update_file(struct status
*status
, enum line_type type
)
6016 if (!status_update_prepare(&io
, type
))
6019 result
= status_update_write(&io
, status
, type
);
6020 return io_done(&io
) && result
;
6024 status_update_files(struct view
*view
, struct line
*line
)
6026 char buf
[sizeof(view
->ref
)];
6029 struct line
*pos
= view
->line
+ view
->lines
;
6032 int cursor_y
= -1, cursor_x
= -1;
6034 if (!status_update_prepare(&io
, line
->type
))
6037 for (pos
= line
; pos
< view
->line
+ view
->lines
&& pos
->data
; pos
++)
6040 string_copy(buf
, view
->ref
);
6041 getsyx(cursor_y
, cursor_x
);
6042 for (file
= 0, done
= 5; result
&& file
< files
; line
++, file
++) {
6043 int almost_done
= file
* 100 / files
;
6045 if (almost_done
> done
) {
6047 string_format(view
->ref
, "updating file %u of %u (%d%% done)",
6049 update_view_title(view
);
6050 setsyx(cursor_y
, cursor_x
);
6053 result
= status_update_write(&io
, line
->data
, line
->type
);
6055 string_copy(view
->ref
, buf
);
6057 return io_done(&io
) && result
;
6061 status_update(struct view
*view
)
6063 struct line
*line
= &view
->line
[view
->lineno
];
6065 assert(view
->lines
);
6068 /* This should work even for the "On branch" line. */
6069 if (line
< view
->line
+ view
->lines
&& !line
[1].data
) {
6070 report("Nothing to update");
6074 if (!status_update_files(view
, line
+ 1)) {
6075 report("Failed to update file status");
6079 } else if (!status_update_file(line
->data
, line
->type
)) {
6080 report("Failed to update file status");
6088 status_revert(struct status
*status
, enum line_type type
, bool has_none
)
6090 if (!status
|| type
!= LINE_STAT_UNSTAGED
) {
6091 if (type
== LINE_STAT_STAGED
) {
6092 report("Cannot revert changes to staged files");
6093 } else if (type
== LINE_STAT_UNTRACKED
) {
6094 report("Cannot revert changes to untracked files");
6095 } else if (has_none
) {
6096 report("Nothing to revert");
6098 report("Cannot revert changes to multiple files");
6101 } else if (prompt_yesno("Are you sure you want to revert changes?")) {
6102 char mode
[10] = "100644";
6103 const char *reset_argv
[] = {
6104 "git", "update-index", "--cacheinfo", mode
,
6105 status
->old
.rev
, status
->old
.name
, NULL
6107 const char *checkout_argv
[] = {
6108 "git", "checkout", "--", status
->old
.name
, NULL
6111 if (status
->status
== 'U') {
6112 string_format(mode
, "%5o", status
->old
.mode
);
6114 if (status
->old
.mode
== 0 && status
->new.mode
== 0) {
6115 reset_argv
[2] = "--force-remove";
6116 reset_argv
[3] = status
->old
.name
;
6117 reset_argv
[4] = NULL
;
6120 if (!io_run_fg(reset_argv
, opt_cdup
))
6122 if (status
->old
.mode
== 0 && status
->new.mode
== 0)
6126 return io_run_fg(checkout_argv
, opt_cdup
);
6133 status_request(struct view
*view
, enum request request
, struct line
*line
)
6135 struct status
*status
= line
->data
;
6138 case REQ_STATUS_UPDATE
:
6139 if (!status_update(view
))
6143 case REQ_STATUS_REVERT
:
6144 if (!status_revert(status
, line
->type
, status_has_none(view
, line
)))
6148 case REQ_STATUS_MERGE
:
6149 if (!status
|| status
->status
!= 'U') {
6150 report("Merging only possible for files with unmerged status ('U').");
6153 open_mergetool(status
->new.name
);
6159 if (status
->status
== 'D') {
6160 report("File has been deleted.");
6164 open_editor(status
->new.name
);
6167 case REQ_VIEW_BLAME
:
6173 /* After returning the status view has been split to
6174 * show the stage view. No further reloading is
6176 return status_enter(view
, line
);
6179 /* Simply reload the view. */
6186 open_view(view
, REQ_VIEW_STATUS
, OPEN_RELOAD
);
6192 status_select(struct view
*view
, struct line
*line
)
6194 struct status
*status
= line
->data
;
6195 char file
[SIZEOF_STR
] = "all files";
6199 if (status
&& !string_format(file
, "'%s'", status
->new.name
))
6202 if (!status
&& line
[1].type
== LINE_STAT_NONE
)
6205 switch (line
->type
) {
6206 case LINE_STAT_STAGED
:
6207 text
= "Press %s to unstage %s for commit";
6210 case LINE_STAT_UNSTAGED
:
6211 text
= "Press %s to stage %s for commit";
6214 case LINE_STAT_UNTRACKED
:
6215 text
= "Press %s to stage %s for addition";
6218 case LINE_STAT_HEAD
:
6219 case LINE_STAT_NONE
:
6220 text
= "Nothing to update";
6224 die("line type %d not handled in switch", line
->type
);
6227 if (status
&& status
->status
== 'U') {
6228 text
= "Press %s to resolve conflict in %s";
6229 key
= get_key(KEYMAP_STATUS
, REQ_STATUS_MERGE
);
6232 key
= get_key(KEYMAP_STATUS
, REQ_STATUS_UPDATE
);
6235 string_format(view
->ref
, text
, key
, file
);
6237 string_copy(opt_file
, status
->new.name
);
6241 status_grep(struct view
*view
, struct line
*line
)
6243 struct status
*status
= line
->data
;
6246 const char buf
[2] = { status
->status
, 0 };
6247 const char *text
[] = { status
->new.name
, buf
, NULL
};
6249 return grep_text(view
, text
);
6255 static struct view_ops status_ops
= {
6268 stage_diff_write(struct io
*io
, struct line
*line
, struct line
*end
)
6270 while (line
< end
) {
6271 if (!io_write(io
, line
->data
, strlen(line
->data
)) ||
6272 !io_write(io
, "\n", 1))
6275 if (line
->type
== LINE_DIFF_CHUNK
||
6276 line
->type
== LINE_DIFF_HEADER
)
6283 static struct line
*
6284 stage_diff_find(struct view
*view
, struct line
*line
, enum line_type type
)
6286 for (; view
->line
< line
; line
--)
6287 if (line
->type
== type
)
6294 stage_apply_chunk(struct view
*view
, struct line
*chunk
, bool revert
)
6296 const char *apply_argv
[SIZEOF_ARG
] = {
6297 "git", "apply", "--whitespace=nowarn", NULL
6299 struct line
*diff_hdr
;
6303 diff_hdr
= stage_diff_find(view
, chunk
, LINE_DIFF_HEADER
);
6308 apply_argv
[argc
++] = "--cached";
6309 if (revert
|| stage_line_type
== LINE_STAT_STAGED
)
6310 apply_argv
[argc
++] = "-R";
6311 apply_argv
[argc
++] = "-";
6312 apply_argv
[argc
++] = NULL
;
6313 if (!io_run(&io
, apply_argv
, opt_cdup
, IO_WR
))
6316 if (!stage_diff_write(&io
, diff_hdr
, chunk
) ||
6317 !stage_diff_write(&io
, chunk
, view
->line
+ view
->lines
))
6321 io_run_bg(update_index_argv
);
6323 return chunk
? TRUE
: FALSE
;
6327 stage_update(struct view
*view
, struct line
*line
)
6329 struct line
*chunk
= NULL
;
6331 if (!is_initial_commit() && stage_line_type
!= LINE_STAT_UNTRACKED
)
6332 chunk
= stage_diff_find(view
, line
, LINE_DIFF_CHUNK
);
6335 if (!stage_apply_chunk(view
, chunk
, FALSE
)) {
6336 report("Failed to apply chunk");
6340 } else if (!stage_status
.status
) {
6341 view
= VIEW(REQ_VIEW_STATUS
);
6343 for (line
= view
->line
; line
< view
->line
+ view
->lines
; line
++)
6344 if (line
->type
== stage_line_type
)
6347 if (!status_update_files(view
, line
+ 1)) {
6348 report("Failed to update files");
6352 } else if (!status_update_file(&stage_status
, stage_line_type
)) {
6353 report("Failed to update file");
6361 stage_revert(struct view
*view
, struct line
*line
)
6363 struct line
*chunk
= NULL
;
6365 if (!is_initial_commit() && stage_line_type
== LINE_STAT_UNSTAGED
)
6366 chunk
= stage_diff_find(view
, line
, LINE_DIFF_CHUNK
);
6369 if (!prompt_yesno("Are you sure you want to revert changes?"))
6372 if (!stage_apply_chunk(view
, chunk
, TRUE
)) {
6373 report("Failed to revert chunk");
6379 return status_revert(stage_status
.status
? &stage_status
: NULL
,
6380 stage_line_type
, FALSE
);
6386 stage_next(struct view
*view
, struct line
*line
)
6390 if (!stage_chunks
) {
6391 for (line
= view
->line
; line
< view
->line
+ view
->lines
; line
++) {
6392 if (line
->type
!= LINE_DIFF_CHUNK
)
6395 if (!realloc_ints(&stage_chunk
, stage_chunks
, 1)) {
6396 report("Allocation failure");
6400 stage_chunk
[stage_chunks
++] = line
- view
->line
;
6404 for (i
= 0; i
< stage_chunks
; i
++) {
6405 if (stage_chunk
[i
] > view
->lineno
) {
6406 do_scroll_view(view
, stage_chunk
[i
] - view
->lineno
);
6407 report("Chunk %d of %d", i
+ 1, stage_chunks
);
6412 report("No next chunk found");
6416 stage_request(struct view
*view
, enum request request
, struct line
*line
)
6419 case REQ_STATUS_UPDATE
:
6420 if (!stage_update(view
, line
))
6424 case REQ_STATUS_REVERT
:
6425 if (!stage_revert(view
, line
))
6429 case REQ_STAGE_NEXT
:
6430 if (stage_line_type
== LINE_STAT_UNTRACKED
) {
6431 report("File is untracked; press %s to add",
6432 get_key(KEYMAP_STAGE
, REQ_STATUS_UPDATE
));
6435 stage_next(view
, line
);
6439 if (!stage_status
.new.name
[0])
6441 if (stage_status
.status
== 'D') {
6442 report("File has been deleted.");
6446 open_editor(stage_status
.new.name
);
6450 /* Reload everything ... */
6453 case REQ_VIEW_BLAME
:
6454 if (stage_status
.new.name
[0]) {
6455 string_copy(opt_file
, stage_status
.new.name
);
6461 return pager_request(view
, request
, line
);
6467 VIEW(REQ_VIEW_STATUS
)->p_restore
= TRUE
;
6468 open_view(view
, REQ_VIEW_STATUS
, OPEN_REFRESH
);
6470 /* Check whether the staged entry still exists, and close the
6471 * stage view if it doesn't. */
6472 if (!status_exists(&stage_status
, stage_line_type
)) {
6473 status_restore(VIEW(REQ_VIEW_STATUS
));
6474 return REQ_VIEW_CLOSE
;
6477 if (stage_line_type
== LINE_STAT_UNTRACKED
) {
6478 if (!suffixcmp(stage_status
.new.name
, -1, "/")) {
6479 report("Cannot display a directory");
6483 if (!prepare_update_file(view
, stage_status
.new.name
)) {
6484 report("Failed to open file: %s", strerror(errno
));
6488 open_view(view
, REQ_VIEW_STAGE
, OPEN_REFRESH
);
6493 static struct view_ops stage_ops
= {
6510 char id
[SIZEOF_REV
]; /* SHA1 ID. */
6511 char title
[128]; /* First line of the commit message. */
6512 const char *author
; /* Author of the commit. */
6513 struct time time
; /* Date from the author ident. */
6514 struct ref_list
*refs
; /* Repository references. */
6515 chtype graph
[SIZEOF_REVGRAPH
]; /* Ancestry chain graphics. */
6516 size_t graph_size
; /* The width of the graph array. */
6517 bool has_parents
; /* Rewritten --parents seen. */
6520 /* Size of rev graph with no "padding" columns */
6521 #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2))
6524 struct rev_graph
*prev
, *next
, *parents
;
6525 char rev
[SIZEOF_REVITEMS
][SIZEOF_REV
];
6527 struct commit
*commit
;
6529 unsigned int boundary
:1;
6532 /* Parents of the commit being visualized. */
6533 static struct rev_graph graph_parents
[4];
6535 /* The current stack of revisions on the graph. */
6536 static struct rev_graph graph_stacks
[4] = {
6537 { &graph_stacks
[3], &graph_stacks
[1], &graph_parents
[0] },
6538 { &graph_stacks
[0], &graph_stacks
[2], &graph_parents
[1] },
6539 { &graph_stacks
[1], &graph_stacks
[3], &graph_parents
[2] },
6540 { &graph_stacks
[2], &graph_stacks
[0], &graph_parents
[3] },
6544 graph_parent_is_merge(struct rev_graph
*graph
)
6546 return graph
->parents
->size
> 1;
6550 append_to_rev_graph(struct rev_graph
*graph
, chtype symbol
)
6552 struct commit
*commit
= graph
->commit
;
6554 if (commit
->graph_size
< ARRAY_SIZE(commit
->graph
) - 1)
6555 commit
->graph
[commit
->graph_size
++] = symbol
;
6559 clear_rev_graph(struct rev_graph
*graph
)
6561 graph
->boundary
= 0;
6562 graph
->size
= graph
->pos
= 0;
6563 graph
->commit
= NULL
;
6564 memset(graph
->parents
, 0, sizeof(*graph
->parents
));
6568 done_rev_graph(struct rev_graph
*graph
)
6570 if (graph_parent_is_merge(graph
) &&
6571 graph
->pos
< graph
->size
- 1 &&
6572 graph
->next
->size
== graph
->size
+ graph
->parents
->size
- 1) {
6573 size_t i
= graph
->pos
+ graph
->parents
->size
- 1;
6575 graph
->commit
->graph_size
= i
* 2;
6576 while (i
< graph
->next
->size
- 1) {
6577 append_to_rev_graph(graph
, ' ');
6578 append_to_rev_graph(graph
, '\\');
6583 clear_rev_graph(graph
);
6587 push_rev_graph(struct rev_graph
*graph
, const char *parent
)
6591 /* "Collapse" duplicate parents lines.
6593 * FIXME: This needs to also update update the drawn graph but
6594 * for now it just serves as a method for pruning graph lines. */
6595 for (i
= 0; i
< graph
->size
; i
++)
6596 if (!strncmp(graph
->rev
[i
], parent
, SIZEOF_REV
))
6599 if (graph
->size
< SIZEOF_REVITEMS
) {
6600 string_copy_rev(graph
->rev
[graph
->size
++], parent
);
6605 get_rev_graph_symbol(struct rev_graph
*graph
)
6609 if (graph
->boundary
)
6610 symbol
= REVGRAPH_BOUND
;
6611 else if (graph
->parents
->size
== 0)
6612 symbol
= REVGRAPH_INIT
;
6613 else if (graph_parent_is_merge(graph
))
6614 symbol
= REVGRAPH_MERGE
;
6615 else if (graph
->pos
>= graph
->size
)
6616 symbol
= REVGRAPH_BRANCH
;
6618 symbol
= REVGRAPH_COMMIT
;
6624 draw_rev_graph(struct rev_graph
*graph
)
6627 chtype separator
, line
;
6629 enum { DEFAULT
, RSHARP
, RDIAG
, LDIAG
};
6630 static struct rev_filler fillers
[] = {
6636 chtype symbol
= get_rev_graph_symbol(graph
);
6637 struct rev_filler
*filler
;
6640 fillers
[DEFAULT
].line
= opt_line_graphics
? ACS_VLINE
: '|';
6641 filler
= &fillers
[DEFAULT
];
6643 for (i
= 0; i
< graph
->pos
; i
++) {
6644 append_to_rev_graph(graph
, filler
->line
);
6645 if (graph_parent_is_merge(graph
->prev
) &&
6646 graph
->prev
->pos
== i
)
6647 filler
= &fillers
[RSHARP
];
6649 append_to_rev_graph(graph
, filler
->separator
);
6652 /* Place the symbol for this revision. */
6653 append_to_rev_graph(graph
, symbol
);
6655 if (graph
->prev
->size
> graph
->size
)
6656 filler
= &fillers
[RDIAG
];
6658 filler
= &fillers
[DEFAULT
];
6662 for (; i
< graph
->size
; i
++) {
6663 append_to_rev_graph(graph
, filler
->separator
);
6664 append_to_rev_graph(graph
, filler
->line
);
6665 if (graph_parent_is_merge(graph
->prev
) &&
6666 i
< graph
->prev
->pos
+ graph
->parents
->size
)
6667 filler
= &fillers
[RSHARP
];
6668 if (graph
->prev
->size
> graph
->size
)
6669 filler
= &fillers
[LDIAG
];
6672 if (graph
->prev
->size
> graph
->size
) {
6673 append_to_rev_graph(graph
, filler
->separator
);
6674 if (filler
->line
!= ' ')
6675 append_to_rev_graph(graph
, filler
->line
);
6679 /* Prepare the next rev graph */
6681 prepare_rev_graph(struct rev_graph
*graph
)
6685 /* First, traverse all lines of revisions up to the active one. */
6686 for (graph
->pos
= 0; graph
->pos
< graph
->size
; graph
->pos
++) {
6687 if (!strcmp(graph
->rev
[graph
->pos
], graph
->commit
->id
))
6690 push_rev_graph(graph
->next
, graph
->rev
[graph
->pos
]);
6693 /* Interleave the new revision parent(s). */
6694 for (i
= 0; !graph
->boundary
&& i
< graph
->parents
->size
; i
++)
6695 push_rev_graph(graph
->next
, graph
->parents
->rev
[i
]);
6697 /* Lastly, put any remaining revisions. */
6698 for (i
= graph
->pos
+ 1; i
< graph
->size
; i
++)
6699 push_rev_graph(graph
->next
, graph
->rev
[i
]);
6703 update_rev_graph(struct view
*view
, struct rev_graph
*graph
)
6705 /* If this is the finalizing update ... */
6707 prepare_rev_graph(graph
);
6709 /* Graph visualization needs a one rev look-ahead,
6710 * so the first update doesn't visualize anything. */
6711 if (!graph
->prev
->commit
)
6714 if (view
->lines
> 2)
6715 view
->line
[view
->lines
- 3].dirty
= 1;
6716 if (view
->lines
> 1)
6717 view
->line
[view
->lines
- 2].dirty
= 1;
6718 draw_rev_graph(graph
->prev
);
6719 done_rev_graph(graph
->prev
->prev
);
6727 static const char *main_argv
[SIZEOF_ARG
] = {
6728 "git", "log", "--no-color", "--pretty=raw", "--parents",
6729 "--topo-order", "%(head)", NULL
6733 main_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
6735 struct commit
*commit
= line
->data
;
6737 if (!commit
->author
)
6740 if (opt_date
&& draw_date(view
, &commit
->time
))
6743 if (opt_author
&& draw_author(view
, commit
->author
))
6746 if (opt_rev_graph
&& commit
->graph_size
&&
6747 draw_graphic(view
, LINE_MAIN_REVGRAPH
, commit
->graph
, commit
->graph_size
))
6750 if (opt_show_refs
&& commit
->refs
) {
6753 for (i
= 0; i
< commit
->refs
->size
; i
++) {
6754 struct ref
*ref
= commit
->refs
->refs
[i
];
6755 enum line_type type
;
6758 type
= LINE_MAIN_HEAD
;
6760 type
= LINE_MAIN_LOCAL_TAG
;
6762 type
= LINE_MAIN_TAG
;
6763 else if (ref
->tracked
)
6764 type
= LINE_MAIN_TRACKED
;
6765 else if (ref
->remote
)
6766 type
= LINE_MAIN_REMOTE
;
6768 type
= LINE_MAIN_REF
;
6770 if (draw_text(view
, type
, "[", TRUE
) ||
6771 draw_text(view
, type
, ref
->name
, TRUE
) ||
6772 draw_text(view
, type
, "]", TRUE
))
6775 if (draw_text(view
, LINE_DEFAULT
, " ", TRUE
))
6780 draw_text(view
, LINE_DEFAULT
, commit
->title
, TRUE
);
6784 /* Reads git log --pretty=raw output and parses it into the commit struct. */
6786 main_read(struct view
*view
, char *line
)
6788 static struct rev_graph
*graph
= graph_stacks
;
6789 enum line_type type
;
6790 struct commit
*commit
;
6795 if (!view
->lines
&& !view
->prev
)
6796 die("No revisions match the given arguments.");
6797 if (view
->lines
> 0) {
6798 commit
= view
->line
[view
->lines
- 1].data
;
6799 view
->line
[view
->lines
- 1].dirty
= 1;
6800 if (!commit
->author
) {
6803 graph
->commit
= NULL
;
6806 update_rev_graph(view
, graph
);
6808 for (i
= 0; i
< ARRAY_SIZE(graph_stacks
); i
++)
6809 clear_rev_graph(&graph_stacks
[i
]);
6813 type
= get_line_type(line
);
6814 if (type
== LINE_COMMIT
) {
6815 commit
= calloc(1, sizeof(struct commit
));
6819 line
+= STRING_SIZE("commit ");
6821 graph
->boundary
= 1;
6825 string_copy_rev(commit
->id
, line
);
6826 commit
->refs
= get_ref_list(commit
->id
);
6827 graph
->commit
= commit
;
6828 add_line_data(view
, commit
, LINE_MAIN_COMMIT
);
6830 while ((line
= strchr(line
, ' '))) {
6832 push_rev_graph(graph
->parents
, line
);
6833 commit
->has_parents
= TRUE
;
6840 commit
= view
->line
[view
->lines
- 1].data
;
6844 if (commit
->has_parents
)
6846 push_rev_graph(graph
->parents
, line
+ STRING_SIZE("parent "));
6850 parse_author_line(line
+ STRING_SIZE("author "),
6851 &commit
->author
, &commit
->time
);
6852 update_rev_graph(view
, graph
);
6853 graph
= graph
->next
;
6857 /* Fill in the commit title if it has not already been set. */
6858 if (commit
->title
[0])
6861 /* Require titles to start with a non-space character at the
6862 * offset used by git log. */
6863 if (strncmp(line
, " ", 4))
6866 /* Well, if the title starts with a whitespace character,
6867 * try to be forgiving. Otherwise we end up with no title. */
6868 while (isspace(*line
))
6872 /* FIXME: More graceful handling of titles; append "..." to
6873 * shortened titles, etc. */
6875 string_expand(commit
->title
, sizeof(commit
->title
), line
, 1);
6876 view
->line
[view
->lines
- 1].dirty
= 1;
6883 main_request(struct view
*view
, enum request request
, struct line
*line
)
6885 enum open_flags flags
= view_is_displayed(view
) ? OPEN_SPLIT
: OPEN_DEFAULT
;
6889 open_view(view
, REQ_VIEW_DIFF
, flags
);
6893 open_view(view
, REQ_VIEW_MAIN
, OPEN_REFRESH
);
6903 grep_refs(struct ref_list
*list
, regex_t
*regex
)
6908 if (!opt_show_refs
|| !list
)
6911 for (i
= 0; i
< list
->size
; i
++) {
6912 if (regexec(regex
, list
->refs
[i
]->name
, 1, &pmatch
, 0) != REG_NOMATCH
)
6920 main_grep(struct view
*view
, struct line
*line
)
6922 struct commit
*commit
= line
->data
;
6923 const char *text
[] = {
6925 opt_author
? commit
->author
: "",
6926 mkdate(&commit
->time
, opt_date
),
6930 return grep_text(view
, text
) || grep_refs(commit
->refs
, view
->regex
);
6934 main_select(struct view
*view
, struct line
*line
)
6936 struct commit
*commit
= line
->data
;
6938 string_copy_rev(view
->ref
, commit
->id
);
6939 string_copy_rev(ref_commit
, view
->ref
);
6942 static struct view_ops main_ops
= {
6958 /* Whether or not the curses interface has been initialized. */
6959 static bool cursed
= FALSE
;
6961 /* Terminal hacks and workarounds. */
6962 static bool use_scroll_redrawwin
;
6963 static bool use_scroll_status_wclear
;
6965 /* The status window is used for polling keystrokes. */
6966 static WINDOW
*status_win
;
6968 /* Reading from the prompt? */
6969 static bool input_mode
= FALSE
;
6971 static bool status_empty
= FALSE
;
6973 /* Update status and title window. */
6975 report(const char *msg
, ...)
6977 struct view
*view
= display
[current_view
];
6983 char buf
[SIZEOF_STR
];
6986 va_start(args
, msg
);
6987 if (vsnprintf(buf
, sizeof(buf
), msg
, args
) >= sizeof(buf
)) {
6988 buf
[sizeof(buf
) - 1] = 0;
6989 buf
[sizeof(buf
) - 2] = '.';
6990 buf
[sizeof(buf
) - 3] = '.';
6991 buf
[sizeof(buf
) - 4] = '.';
6997 if (!status_empty
|| *msg
) {
7000 va_start(args
, msg
);
7002 wmove(status_win
, 0, 0);
7003 if (view
->has_scrolled
&& use_scroll_status_wclear
)
7006 vwprintw(status_win
, msg
, args
);
7007 status_empty
= FALSE
;
7009 status_empty
= TRUE
;
7011 wclrtoeol(status_win
);
7012 wnoutrefresh(status_win
);
7017 update_view_title(view
);
7026 /* Initialize the curses library */
7027 if (isatty(STDIN_FILENO
)) {
7028 cursed
= !!initscr();
7031 /* Leave stdin and stdout alone when acting as a pager. */
7032 opt_tty
= fopen("/dev/tty", "r+");
7034 die("Failed to open /dev/tty");
7035 cursed
= !!newterm(NULL
, opt_tty
, opt_tty
);
7039 die("Failed to initialize curses");
7041 nonl(); /* Disable conversion and detect newlines from input. */
7042 cbreak(); /* Take input chars one at a time, no wait for \n */
7043 noecho(); /* Don't echo input */
7044 leaveok(stdscr
, FALSE
);
7049 getmaxyx(stdscr
, y
, x
);
7050 status_win
= newwin(1, 0, y
- 1, 0);
7052 die("Failed to create status window");
7054 /* Enable keyboard mapping */
7055 keypad(status_win
, TRUE
);
7056 wbkgdset(status_win
, get_line_attr(LINE_STATUS
));
7058 TABSIZE
= opt_tab_size
;
7060 term
= getenv("XTERM_VERSION") ? NULL
: getenv("COLORTERM");
7061 if (term
&& !strcmp(term
, "gnome-terminal")) {
7062 /* In the gnome-terminal-emulator, the message from
7063 * scrolling up one line when impossible followed by
7064 * scrolling down one line causes corruption of the
7065 * status line. This is fixed by calling wclear. */
7066 use_scroll_status_wclear
= TRUE
;
7067 use_scroll_redrawwin
= FALSE
;
7069 } else if (term
&& !strcmp(term
, "xrvt-xpm")) {
7070 /* No problems with full optimizations in xrvt-(unicode)
7072 use_scroll_status_wclear
= use_scroll_redrawwin
= FALSE
;
7075 /* When scrolling in (u)xterm the last line in the
7076 * scrolling direction will update slowly. */
7077 use_scroll_redrawwin
= TRUE
;
7078 use_scroll_status_wclear
= FALSE
;
7083 get_input(int prompt_position
)
7086 int i
, key
, cursor_y
, cursor_x
;
7087 bool loading
= FALSE
;
7089 if (prompt_position
)
7093 foreach_view (view
, i
) {
7095 if (view_is_displayed(view
) && view
->has_scrolled
&&
7096 use_scroll_redrawwin
)
7097 redrawwin(view
->win
);
7098 view
->has_scrolled
= FALSE
;
7103 /* Update the cursor position. */
7104 if (prompt_position
) {
7105 getbegyx(status_win
, cursor_y
, cursor_x
);
7106 cursor_x
= prompt_position
;
7108 view
= display
[current_view
];
7109 getbegyx(view
->win
, cursor_y
, cursor_x
);
7110 cursor_x
= view
->width
- 1;
7111 cursor_y
+= view
->lineno
- view
->offset
;
7113 setsyx(cursor_y
, cursor_x
);
7115 /* Refresh, accept single keystroke of input */
7117 nodelay(status_win
, loading
);
7118 key
= wgetch(status_win
);
7120 /* wgetch() with nodelay() enabled returns ERR when
7121 * there's no input. */
7124 } else if (key
== KEY_RESIZE
) {
7127 getmaxyx(stdscr
, height
, width
);
7129 wresize(status_win
, 1, width
);
7130 mvwin(status_win
, height
- 1, 0);
7131 wnoutrefresh(status_win
);
7133 redraw_display(TRUE
);
7143 prompt_input(const char *prompt
, input_handler handler
, void *data
)
7145 enum input_status status
= INPUT_OK
;
7146 static char buf
[SIZEOF_STR
];
7151 while (status
== INPUT_OK
|| status
== INPUT_SKIP
) {
7154 mvwprintw(status_win
, 0, 0, "%s%.*s", prompt
, pos
, buf
);
7155 wclrtoeol(status_win
);
7157 key
= get_input(pos
+ 1);
7162 status
= pos
? INPUT_STOP
: INPUT_CANCEL
;
7169 status
= INPUT_CANCEL
;
7173 status
= INPUT_CANCEL
;
7177 if (pos
>= sizeof(buf
)) {
7178 report("Input string too long");
7182 status
= handler(data
, buf
, key
);
7183 if (status
== INPUT_OK
)
7184 buf
[pos
++] = (char) key
;
7188 /* Clear the status window */
7189 status_empty
= FALSE
;
7192 if (status
== INPUT_CANCEL
)
7200 static enum input_status
7201 prompt_yesno_handler(void *data
, char *buf
, int c
)
7203 if (c
== 'y' || c
== 'Y')
7205 if (c
== 'n' || c
== 'N')
7206 return INPUT_CANCEL
;
7211 prompt_yesno(const char *prompt
)
7213 char prompt2
[SIZEOF_STR
];
7215 if (!string_format(prompt2
, "%s [Yy/Nn]", prompt
))
7218 return !!prompt_input(prompt2
, prompt_yesno_handler
, NULL
);
7221 static enum input_status
7222 read_prompt_handler(void *data
, char *buf
, int c
)
7224 return isprint(c
) ? INPUT_OK
: INPUT_SKIP
;
7228 read_prompt(const char *prompt
)
7230 return prompt_input(prompt
, read_prompt_handler
, NULL
);
7233 static bool prompt_menu(const char *prompt
, const struct menu_item
*items
, int *selected
)
7235 enum input_status status
= INPUT_OK
;
7238 while (items
[size
].text
)
7241 while (status
== INPUT_OK
) {
7242 const struct menu_item
*item
= &items
[*selected
];
7246 mvwprintw(status_win
, 0, 0, "%s (%d of %d) ",
7247 prompt
, *selected
+ 1, size
);
7249 wprintw(status_win
, "[%c] ", (char) item
->hotkey
);
7250 wprintw(status_win
, "%s", item
->text
);
7251 wclrtoeol(status_win
);
7253 key
= get_input(COLS
- 1);
7258 status
= INPUT_STOP
;
7263 *selected
= *selected
- 1;
7265 *selected
= size
- 1;
7270 *selected
= (*selected
+ 1) % size
;
7274 status
= INPUT_CANCEL
;
7278 for (i
= 0; items
[i
].text
; i
++)
7279 if (items
[i
].hotkey
== key
) {
7281 status
= INPUT_STOP
;
7287 /* Clear the status window */
7288 status_empty
= FALSE
;
7291 return status
!= INPUT_CANCEL
;
7295 * Repository properties
7298 static struct ref
**refs
= NULL
;
7299 static size_t refs_size
= 0;
7300 static struct ref
*refs_head
= NULL
;
7302 static struct ref_list
**ref_lists
= NULL
;
7303 static size_t ref_lists_size
= 0;
7305 DEFINE_ALLOCATOR(realloc_refs
, struct ref
*, 256)
7306 DEFINE_ALLOCATOR(realloc_refs_list
, struct ref
*, 8)
7307 DEFINE_ALLOCATOR(realloc_ref_lists
, struct ref_list
*, 8)
7310 compare_refs(const void *ref1_
, const void *ref2_
)
7312 const struct ref
*ref1
= *(const struct ref
**)ref1_
;
7313 const struct ref
*ref2
= *(const struct ref
**)ref2_
;
7315 if (ref1
->tag
!= ref2
->tag
)
7316 return ref2
->tag
- ref1
->tag
;
7317 if (ref1
->ltag
!= ref2
->ltag
)
7318 return ref2
->ltag
- ref2
->ltag
;
7319 if (ref1
->head
!= ref2
->head
)
7320 return ref2
->head
- ref1
->head
;
7321 if (ref1
->tracked
!= ref2
->tracked
)
7322 return ref2
->tracked
- ref1
->tracked
;
7323 if (ref1
->remote
!= ref2
->remote
)
7324 return ref2
->remote
- ref1
->remote
;
7325 return strcmp(ref1
->name
, ref2
->name
);
7329 foreach_ref(bool (*visitor
)(void *data
, const struct ref
*ref
), void *data
)
7333 for (i
= 0; i
< refs_size
; i
++)
7334 if (!visitor(data
, refs
[i
]))
7344 static struct ref_list
*
7345 get_ref_list(const char *id
)
7347 struct ref_list
*list
;
7350 for (i
= 0; i
< ref_lists_size
; i
++)
7351 if (!strcmp(id
, ref_lists
[i
]->id
))
7352 return ref_lists
[i
];
7354 if (!realloc_ref_lists(&ref_lists
, ref_lists_size
, 1))
7356 list
= calloc(1, sizeof(*list
));
7360 for (i
= 0; i
< refs_size
; i
++) {
7361 if (!strcmp(id
, refs
[i
]->id
) &&
7362 realloc_refs_list(&list
->refs
, list
->size
, 1))
7363 list
->refs
[list
->size
++] = refs
[i
];
7371 qsort(list
->refs
, list
->size
, sizeof(*list
->refs
), compare_refs
);
7372 ref_lists
[ref_lists_size
++] = list
;
7377 read_ref(char *id
, size_t idlen
, char *name
, size_t namelen
)
7379 struct ref
*ref
= NULL
;
7382 bool remote
= FALSE
;
7383 bool tracked
= FALSE
;
7385 int from
= 0, to
= refs_size
- 1;
7387 if (!prefixcmp(name
, "refs/tags/")) {
7388 if (!suffixcmp(name
, namelen
, "^{}")) {
7396 namelen
-= STRING_SIZE("refs/tags/");
7397 name
+= STRING_SIZE("refs/tags/");
7399 } else if (!prefixcmp(name
, "refs/remotes/")) {
7401 namelen
-= STRING_SIZE("refs/remotes/");
7402 name
+= STRING_SIZE("refs/remotes/");
7403 tracked
= !strcmp(opt_remote
, name
);
7405 } else if (!prefixcmp(name
, "refs/heads/")) {
7406 namelen
-= STRING_SIZE("refs/heads/");
7407 name
+= STRING_SIZE("refs/heads/");
7408 if (!strncmp(opt_head
, name
, namelen
))
7411 } else if (!strcmp(name
, "HEAD")) {
7414 namelen
= strlen(opt_head
);
7419 /* If we are reloading or it's an annotated tag, replace the
7420 * previous SHA1 with the resolved commit id; relies on the fact
7421 * git-ls-remote lists the commit id of an annotated tag right
7422 * before the commit id it points to. */
7423 while (from
<= to
) {
7424 size_t pos
= (to
+ from
) / 2;
7425 int cmp
= strcmp(name
, refs
[pos
]->name
);
7439 if (!realloc_refs(&refs
, refs_size
, 1))
7441 ref
= calloc(1, sizeof(*ref
) + namelen
);
7444 memmove(refs
+ from
+ 1, refs
+ from
,
7445 (refs_size
- from
) * sizeof(*refs
));
7447 strncpy(ref
->name
, name
, namelen
);
7454 ref
->remote
= remote
;
7455 ref
->tracked
= tracked
;
7456 string_copy_rev(ref
->id
, id
);
7466 const char *head_argv
[] = {
7467 "git", "symbolic-ref", "HEAD", NULL
7469 static const char *ls_remote_argv
[SIZEOF_ARG
] = {
7470 "git", "ls-remote", opt_git_dir
, NULL
7472 static bool init
= FALSE
;
7476 if (!argv_from_env(ls_remote_argv
, "TIG_LS_REMOTE"))
7477 die("TIG_LS_REMOTE contains too many arguments");
7484 if (io_run_buf(head_argv
, opt_head
, sizeof(opt_head
)) &&
7485 !prefixcmp(opt_head
, "refs/heads/")) {
7486 char *offset
= opt_head
+ STRING_SIZE("refs/heads/");
7488 memmove(opt_head
, offset
, strlen(offset
) + 1);
7492 for (i
= 0; i
< refs_size
; i
++)
7495 if (io_run_load(ls_remote_argv
, "\t", read_ref
) == ERR
)
7498 /* Update the ref lists to reflect changes. */
7499 for (i
= 0; i
< ref_lists_size
; i
++) {
7500 struct ref_list
*list
= ref_lists
[i
];
7503 for (old
= new = 0; old
< list
->size
; old
++)
7504 if (!strcmp(list
->id
, list
->refs
[old
]->id
))
7505 list
->refs
[new++] = list
->refs
[old
];
7513 set_remote_branch(const char *name
, const char *value
, size_t valuelen
)
7515 if (!strcmp(name
, ".remote")) {
7516 string_ncopy(opt_remote
, value
, valuelen
);
7518 } else if (*opt_remote
&& !strcmp(name
, ".merge")) {
7519 size_t from
= strlen(opt_remote
);
7521 if (!prefixcmp(value
, "refs/heads/"))
7522 value
+= STRING_SIZE("refs/heads/");
7524 if (!string_format_from(opt_remote
, &from
, "/%s", value
))
7530 set_repo_config_option(char *name
, char *value
, int (*cmd
)(int, const char **))
7532 const char *argv
[SIZEOF_ARG
] = { name
, "=" };
7533 int argc
= 1 + (cmd
== option_set_command
);
7536 if (!argv_from_string(argv
, &argc
, value
))
7537 config_msg
= "Too many option arguments";
7539 error
= cmd(argc
, argv
);
7542 warn("Option 'tig.%s': %s", name
, config_msg
);
7546 set_environment_variable(const char *name
, const char *value
)
7548 size_t len
= strlen(name
) + 1 + strlen(value
) + 1;
7549 char *env
= malloc(len
);
7552 string_nformat(env
, len
, NULL
, "%s=%s", name
, value
) &&
7560 set_work_tree(const char *value
)
7562 char cwd
[SIZEOF_STR
];
7564 if (!getcwd(cwd
, sizeof(cwd
)))
7565 die("Failed to get cwd path: %s", strerror(errno
));
7566 if (chdir(opt_git_dir
) < 0)
7567 die("Failed to chdir(%s): %s", strerror(errno
));
7568 if (!getcwd(opt_git_dir
, sizeof(opt_git_dir
)))
7569 die("Failed to get git path: %s", strerror(errno
));
7571 die("Failed to chdir(%s): %s", cwd
, strerror(errno
));
7572 if (chdir(value
) < 0)
7573 die("Failed to chdir(%s): %s", value
, strerror(errno
));
7574 if (!getcwd(cwd
, sizeof(cwd
)))
7575 die("Failed to get cwd path: %s", strerror(errno
));
7576 if (!set_environment_variable("GIT_WORK_TREE", cwd
))
7577 die("Failed to set GIT_WORK_TREE to '%s'", cwd
);
7578 if (!set_environment_variable("GIT_DIR", opt_git_dir
))
7579 die("Failed to set GIT_DIR to '%s'", opt_git_dir
);
7580 opt_is_inside_work_tree
= TRUE
;
7584 read_repo_config_option(char *name
, size_t namelen
, char *value
, size_t valuelen
)
7586 if (!strcmp(name
, "i18n.commitencoding"))
7587 string_ncopy(opt_encoding
, value
, valuelen
);
7589 else if (!strcmp(name
, "core.editor"))
7590 string_ncopy(opt_editor
, value
, valuelen
);
7592 else if (!strcmp(name
, "core.worktree"))
7593 set_work_tree(value
);
7595 else if (!prefixcmp(name
, "tig.color."))
7596 set_repo_config_option(name
+ 10, value
, option_color_command
);
7598 else if (!prefixcmp(name
, "tig.bind."))
7599 set_repo_config_option(name
+ 9, value
, option_bind_command
);
7601 else if (!prefixcmp(name
, "tig."))
7602 set_repo_config_option(name
+ 4, value
, option_set_command
);
7604 else if (*opt_head
&& !prefixcmp(name
, "branch.") &&
7605 !strncmp(name
+ 7, opt_head
, strlen(opt_head
)))
7606 set_remote_branch(name
+ 7 + strlen(opt_head
), value
, valuelen
);
7612 load_git_config(void)
7614 const char *config_list_argv
[] = { "git", "config", "--list", NULL
};
7616 return io_run_load(config_list_argv
, "=", read_repo_config_option
);
7620 read_repo_info(char *name
, size_t namelen
, char *value
, size_t valuelen
)
7622 if (!opt_git_dir
[0]) {
7623 string_ncopy(opt_git_dir
, name
, namelen
);
7625 } else if (opt_is_inside_work_tree
== -1) {
7626 /* This can be 3 different values depending on the
7627 * version of git being used. If git-rev-parse does not
7628 * understand --is-inside-work-tree it will simply echo
7629 * the option else either "true" or "false" is printed.
7630 * Default to true for the unknown case. */
7631 opt_is_inside_work_tree
= strcmp(name
, "false") ? TRUE
: FALSE
;
7633 } else if (*name
== '.') {
7634 string_ncopy(opt_cdup
, name
, namelen
);
7637 string_ncopy(opt_prefix
, name
, namelen
);
7644 load_repo_info(void)
7646 const char *rev_parse_argv
[] = {
7647 "git", "rev-parse", "--git-dir", "--is-inside-work-tree",
7648 "--show-cdup", "--show-prefix", NULL
7651 return io_run_load(rev_parse_argv
, "=", read_repo_info
);
7659 static const char usage
[] =
7660 "tig " TIG_VERSION
" (" __DATE__
")\n"
7662 "Usage: tig [options] [revs] [--] [paths]\n"
7663 " or: tig show [options] [revs] [--] [paths]\n"
7664 " or: tig blame [rev] path\n"
7666 " or: tig < [git command output]\n"
7669 " -v, --version Show version and exit\n"
7670 " -h, --help Show help message and exit";
7672 static void __NORETURN
7675 /* XXX: Restore tty modes and let the OS cleanup the rest! */
7681 static void __NORETURN
7682 die(const char *err
, ...)
7688 va_start(args
, err
);
7689 fputs("tig: ", stderr
);
7690 vfprintf(stderr
, err
, args
);
7691 fputs("\n", stderr
);
7698 warn(const char *msg
, ...)
7702 va_start(args
, msg
);
7703 fputs("tig warning: ", stderr
);
7704 vfprintf(stderr
, msg
, args
);
7705 fputs("\n", stderr
);
7710 parse_options(int argc
, const char *argv
[])
7712 enum request request
= REQ_VIEW_MAIN
;
7713 const char *subcommand
;
7714 bool seen_dashdash
= FALSE
;
7715 /* XXX: This is vulnerable to the user overriding options
7716 * required for the main view parser. */
7717 const char *custom_argv
[SIZEOF_ARG
] = {
7718 "git", "log", "--no-color", "--pretty=raw", "--parents",
7719 "--topo-order", NULL
7723 if (!isatty(STDIN_FILENO
)) {
7724 io_open(&VIEW(REQ_VIEW_PAGER
)->io
, "");
7725 return REQ_VIEW_PAGER
;
7731 subcommand
= argv
[1];
7732 if (!strcmp(subcommand
, "status")) {
7734 warn("ignoring arguments after `%s'", subcommand
);
7735 return REQ_VIEW_STATUS
;
7737 } else if (!strcmp(subcommand
, "blame")) {
7738 if (argc
<= 2 || argc
> 4)
7739 die("invalid number of options to blame\n\n%s", usage
);
7743 string_ncopy(opt_ref
, argv
[i
], strlen(argv
[i
]));
7747 string_ncopy(opt_file
, argv
[i
], strlen(argv
[i
]));
7748 return REQ_VIEW_BLAME
;
7750 } else if (!strcmp(subcommand
, "show")) {
7751 request
= REQ_VIEW_DIFF
;
7758 custom_argv
[1] = subcommand
;
7762 for (i
= 1 + !!subcommand
; i
< argc
; i
++) {
7763 const char *opt
= argv
[i
];
7765 if (seen_dashdash
|| !strcmp(opt
, "--")) {
7766 seen_dashdash
= TRUE
;
7768 } else if (!strcmp(opt
, "-v") || !strcmp(opt
, "--version")) {
7769 printf("tig version %s\n", TIG_VERSION
);
7772 } else if (!strcmp(opt
, "-h") || !strcmp(opt
, "--help")) {
7773 printf("%s\n", usage
);
7777 custom_argv
[j
++] = opt
;
7778 if (j
>= ARRAY_SIZE(custom_argv
))
7779 die("command too long");
7782 if (!prepare_update(VIEW(request
), custom_argv
, NULL
))
7783 die("Failed to format arguments");
7789 main(int argc
, const char *argv
[])
7791 const char *codeset
= "UTF-8";
7792 enum request request
= parse_options(argc
, argv
);
7796 signal(SIGINT
, quit
);
7797 signal(SIGPIPE
, SIG_IGN
);
7799 if (setlocale(LC_ALL
, "")) {
7800 codeset
= nl_langinfo(CODESET
);
7803 if (load_repo_info() == ERR
)
7804 die("Failed to load repo info.");
7806 if (load_options() == ERR
)
7807 die("Failed to load user config.");
7809 if (load_git_config() == ERR
)
7810 die("Failed to load repo config.");
7812 /* Require a git repository unless when running in pager mode. */
7813 if (!opt_git_dir
[0] && request
!= REQ_VIEW_PAGER
)
7814 die("Not a git repository");
7816 if (*opt_encoding
&& strcmp(codeset
, "UTF-8")) {
7817 opt_iconv_in
= iconv_open("UTF-8", opt_encoding
);
7818 if (opt_iconv_in
== ICONV_NONE
)
7819 die("Failed to initialize character set conversion");
7822 if (codeset
&& strcmp(codeset
, "UTF-8")) {
7823 opt_iconv_out
= iconv_open(codeset
, "UTF-8");
7824 if (opt_iconv_out
== ICONV_NONE
)
7825 die("Failed to initialize character set conversion");
7828 if (load_refs() == ERR
)
7829 die("Failed to load refs.");
7831 foreach_view (view
, i
)
7832 if (!argv_from_env(view
->ops
->argv
, view
->cmd_env
))
7833 die("Too many arguments in the `%s` environment variable",
7838 if (request
!= REQ_NONE
)
7839 open_view(NULL
, request
, OPEN_PREPARED
);
7840 request
= request
== REQ_NONE
? REQ_VIEW_MAIN
: REQ_NONE
;
7842 while (view_driver(display
[current_view
], request
)) {
7843 int key
= get_input(0);
7845 view
= display
[current_view
];
7846 request
= get_keybinding(view
->keymap
, key
);
7848 /* Some low-level request handling. This keeps access to
7849 * status_win restricted. */
7852 report("Unknown key, press %s for help",
7853 get_key(view
->keymap
, REQ_VIEW_HELP
));
7857 char *cmd
= read_prompt(":");
7859 if (cmd
&& isdigit(*cmd
)) {
7860 int lineno
= view
->lineno
+ 1;
7862 if (parse_int(&lineno
, cmd
, 1, view
->lines
+ 1) == OK
) {
7863 select_view_line(view
, lineno
- 1);
7866 report("Unable to parse '%s' as a line number", cmd
);
7870 struct view
*next
= VIEW(REQ_VIEW_PAGER
);
7871 const char *argv
[SIZEOF_ARG
] = { "git" };
7874 /* When running random commands, initially show the
7875 * command in the title. However, it maybe later be
7876 * overwritten if a commit line is selected. */
7877 string_ncopy(next
->ref
, cmd
, strlen(cmd
));
7879 if (!argv_from_string(argv
, &argc
, cmd
)) {
7880 report("Too many arguments");
7881 } else if (!prepare_update(next
, argv
, NULL
)) {
7882 report("Failed to format command");
7884 open_view(view
, REQ_VIEW_PAGER
, OPEN_PREPARED
);
7892 case REQ_SEARCH_BACK
:
7894 const char *prompt
= request
== REQ_SEARCH
? "/" : "?";
7895 char *search
= read_prompt(prompt
);
7898 string_ncopy(opt_search
, search
, strlen(search
));
7899 else if (*opt_search
)
7900 request
= request
== REQ_SEARCH
?