1 /* Copyright (c) 2006-2009 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>
48 /* ncurses(3): Must be defined to have extended wide-character functions. */
49 #define _XOPEN_SOURCE_EXTENDED
51 #ifdef HAVE_NCURSESW_NCURSES_H
52 #include <ncursesw/ncurses.h>
54 #ifdef HAVE_NCURSES_NCURSES_H
55 #include <ncurses/ncurses.h>
62 #define __NORETURN __attribute__((__noreturn__))
67 static void __NORETURN
die(const char *err
, ...);
68 static void warn(const char *msg
, ...);
69 static void report(const char *msg
, ...);
70 static void set_nonblocking_input(bool loading
);
71 static size_t utf8_length(const char *string
, int *width
, size_t max_width
, int *trimmed
, bool reserve
);
72 static int load_refs(void);
74 #define ABS(x) ((x) >= 0 ? (x) : -(x))
75 #define MIN(x, y) ((x) < (y) ? (x) : (y))
77 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
78 #define STRING_SIZE(x) (sizeof(x) - 1)
80 #define SIZEOF_STR 1024 /* Default string size. */
81 #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */
82 #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL. */
83 #define SIZEOF_ARG 32 /* Default argument array size. */
87 #define REVGRAPH_INIT 'I'
88 #define REVGRAPH_MERGE 'M'
89 #define REVGRAPH_BRANCH '+'
90 #define REVGRAPH_COMMIT '*'
91 #define REVGRAPH_BOUND '^'
93 #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */
95 /* This color name can be used to refer to the default term colors. */
96 #define COLOR_DEFAULT (-1)
98 #define ICONV_NONE ((iconv_t) -1)
100 #define ICONV_CONST /* nothing */
103 /* The format and size of the date column in the main view. */
104 #define DATE_FORMAT "%Y-%m-%d %H:%M"
105 #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ")
107 #define AUTHOR_COLS 20
110 /* The default interval between line numbers. */
111 #define NUMBER_INTERVAL 5
115 #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3)
117 #define NULL_ID "0000000000000000000000000000000000000000"
120 #define GIT_CONFIG "config"
123 /* Some ascii-shorthands fitted into the ncurses namespace. */
125 #define KEY_RETURN '\r'
130 char *name
; /* Ref name; tag or head names are shortened. */
131 char id
[SIZEOF_REV
]; /* Commit SHA1 ID */
132 unsigned int head
:1; /* Is it the current HEAD? */
133 unsigned int tag
:1; /* Is it a tag? */
134 unsigned int ltag
:1; /* If so, is the tag local? */
135 unsigned int remote
:1; /* Is it a remote ref? */
136 unsigned int tracked
:1; /* Is it the remote for the current HEAD? */
137 unsigned int next
:1; /* For ref lists: are there more refs? */
140 static struct ref
**get_refs(const char *id
);
143 FORMAT_ALL
, /* Perform replacement in all arguments. */
144 FORMAT_DASH
, /* Perform replacement up until "--". */
145 FORMAT_NONE
/* No replacement should be performed. */
148 static bool format_argv(const char *dst
[], const char *src
[], enum format_flags flags
);
157 set_from_int_map(struct int_map
*map
, size_t map_size
,
158 int *value
, const char *name
, int namelen
)
163 for (i
= 0; i
< map_size
; i
++)
164 if (namelen
== map
[i
].namelen
&&
165 !strncasecmp(name
, map
[i
].name
, namelen
)) {
166 *value
= map
[i
].value
;
180 typedef enum input_status (*input_handler
)(void *data
, char *buf
, int c
);
182 static char *prompt_input(const char *prompt
, input_handler handler
, void *data
);
183 static bool prompt_yesno(const char *prompt
);
190 string_ncopy_do(char *dst
, size_t dstlen
, const char *src
, size_t srclen
)
192 if (srclen
> dstlen
- 1)
195 strncpy(dst
, src
, srclen
);
199 /* Shorthands for safely copying into a fixed buffer. */
201 #define string_copy(dst, src) \
202 string_ncopy_do(dst, sizeof(dst), src, sizeof(src))
204 #define string_ncopy(dst, src, srclen) \
205 string_ncopy_do(dst, sizeof(dst), src, srclen)
207 #define string_copy_rev(dst, src) \
208 string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1)
210 #define string_add(dst, from, src) \
211 string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src))
214 chomp_string(char *name
)
218 while (isspace(*name
))
221 namelen
= strlen(name
) - 1;
222 while (namelen
> 0 && isspace(name
[namelen
]))
229 string_nformat(char *buf
, size_t bufsize
, size_t *bufpos
, const char *fmt
, ...)
232 size_t pos
= bufpos
? *bufpos
: 0;
235 pos
+= vsnprintf(buf
+ pos
, bufsize
- pos
, fmt
, args
);
241 return pos
>= bufsize
? FALSE
: TRUE
;
244 #define string_format(buf, fmt, args...) \
245 string_nformat(buf, sizeof(buf), NULL, fmt, args)
247 #define string_format_from(buf, from, fmt, args...) \
248 string_nformat(buf, sizeof(buf), from, fmt, args)
251 string_enum_compare(const char *str1
, const char *str2
, int len
)
255 #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.')
257 /* Diff-Header == DIFF_HEADER */
258 for (i
= 0; i
< len
; i
++) {
259 if (toupper(str1
[i
]) == toupper(str2
[i
]))
262 if (string_enum_sep(str1
[i
]) &&
263 string_enum_sep(str2
[i
]))
266 return str1
[i
] - str2
[i
];
272 #define prefixcmp(str1, str2) \
273 strncmp(str1, str2, STRING_SIZE(str2))
276 suffixcmp(const char *str
, int slen
, const char *suffix
)
278 size_t len
= slen
>= 0 ? slen
: strlen(str
);
279 size_t suffixlen
= strlen(suffix
);
281 return suffixlen
< len
? strcmp(str
+ len
- suffixlen
, suffix
) : -1;
286 argv_from_string(const char *argv
[SIZEOF_ARG
], int *argc
, char *cmd
)
290 while (*cmd
&& *argc
< SIZEOF_ARG
&& (valuelen
= strcspn(cmd
, " \t"))) {
291 bool advance
= cmd
[valuelen
] != 0;
294 argv
[(*argc
)++] = chomp_string(cmd
);
295 cmd
= chomp_string(cmd
+ valuelen
+ advance
);
298 if (*argc
< SIZEOF_ARG
)
300 return *argc
< SIZEOF_ARG
;
304 argv_from_env(const char **argv
, const char *name
)
306 char *env
= argv
? getenv(name
) : NULL
;
311 if (env
&& !argv_from_string(argv
, &argc
, env
))
312 die("Too many arguments in the `%s` environment variable", name
);
317 * Executing external commands.
321 IO_FD
, /* File descriptor based IO. */
322 IO_BG
, /* Execute command in the background. */
323 IO_FG
, /* Execute command with same std{in,out,err}. */
324 IO_RD
, /* Read only fork+exec IO. */
325 IO_WR
, /* Write only fork+exec IO. */
326 IO_AP
, /* Append fork+exec output to file. */
330 enum io_type type
; /* The requested type of pipe. */
331 const char *dir
; /* Directory from which to execute. */
332 pid_t pid
; /* Pipe for reading or writing. */
333 int pipe
; /* Pipe end for reading or writing. */
334 int error
; /* Error status. */
335 const char *argv
[SIZEOF_ARG
]; /* Shell command arguments. */
336 char *buf
; /* Read buffer. */
337 size_t bufalloc
; /* Allocated buffer size. */
338 size_t bufsize
; /* Buffer content size. */
339 char *bufpos
; /* Current buffer position. */
340 unsigned int eof
:1; /* Has end of file been reached. */
344 reset_io(struct io
*io
)
348 io
->buf
= io
->bufpos
= NULL
;
349 io
->bufalloc
= io
->bufsize
= 0;
355 init_io(struct io
*io
, const char *dir
, enum io_type type
)
363 init_io_rd(struct io
*io
, const char *argv
[], const char *dir
,
364 enum format_flags flags
)
366 init_io(io
, dir
, IO_RD
);
367 return format_argv(io
->argv
, argv
, flags
);
371 io_open(struct io
*io
, const char *name
)
373 init_io(io
, NULL
, IO_FD
);
374 io
->pipe
= *name
? open(name
, O_RDONLY
) : STDIN_FILENO
;
375 return io
->pipe
!= -1;
379 kill_io(struct io
*io
)
381 return io
->pid
== 0 || kill(io
->pid
, SIGKILL
) != -1;
385 done_io(struct io
*io
)
396 pid_t waiting
= waitpid(pid
, &status
, 0);
401 report("waitpid failed (%s)", strerror(errno
));
405 return waiting
== pid
&&
406 !WIFSIGNALED(status
) &&
408 !WEXITSTATUS(status
);
415 start_io(struct io
*io
)
417 int pipefds
[2] = { -1, -1 };
419 if (io
->type
== IO_FD
)
422 if ((io
->type
== IO_RD
|| io
->type
== IO_WR
) &&
425 else if (io
->type
== IO_AP
)
426 pipefds
[1] = io
->pipe
;
428 if ((io
->pid
= fork())) {
429 if (pipefds
[!(io
->type
== IO_WR
)] != -1)
430 close(pipefds
[!(io
->type
== IO_WR
)]);
432 io
->pipe
= pipefds
[!!(io
->type
== IO_WR
)];
437 if (io
->type
!= IO_FG
) {
438 int devnull
= open("/dev/null", O_RDWR
);
439 int readfd
= io
->type
== IO_WR
? pipefds
[0] : devnull
;
440 int writefd
= (io
->type
== IO_RD
|| io
->type
== IO_AP
)
441 ? pipefds
[1] : devnull
;
443 dup2(readfd
, STDIN_FILENO
);
444 dup2(writefd
, STDOUT_FILENO
);
445 dup2(devnull
, STDERR_FILENO
);
448 if (pipefds
[0] != -1)
450 if (pipefds
[1] != -1)
454 if (io
->dir
&& *io
->dir
&& chdir(io
->dir
) == -1)
455 die("Failed to change directory: %s", strerror(errno
));
457 execvp(io
->argv
[0], (char *const*) io
->argv
);
458 die("Failed to execute program: %s", strerror(errno
));
461 if (pipefds
[!!(io
->type
== IO_WR
)] != -1)
462 close(pipefds
[!!(io
->type
== IO_WR
)]);
467 run_io(struct io
*io
, const char **argv
, const char *dir
, enum io_type type
)
469 init_io(io
, dir
, type
);
470 if (!format_argv(io
->argv
, argv
, FORMAT_NONE
))
476 run_io_do(struct io
*io
)
478 return start_io(io
) && done_io(io
);
482 run_io_bg(const char **argv
)
486 init_io(&io
, NULL
, IO_BG
);
487 if (!format_argv(io
.argv
, argv
, FORMAT_NONE
))
489 return run_io_do(&io
);
493 run_io_fg(const char **argv
, const char *dir
)
497 init_io(&io
, dir
, IO_FG
);
498 if (!format_argv(io
.argv
, argv
, FORMAT_NONE
))
500 return run_io_do(&io
);
504 run_io_append(const char **argv
, enum format_flags flags
, int fd
)
508 init_io(&io
, NULL
, IO_AP
);
510 if (format_argv(io
.argv
, argv
, flags
))
511 return run_io_do(&io
);
517 run_io_rd(struct io
*io
, const char **argv
, enum format_flags flags
)
519 return init_io_rd(io
, argv
, NULL
, flags
) && start_io(io
);
523 io_eof(struct io
*io
)
529 io_error(struct io
*io
)
535 io_strerror(struct io
*io
)
537 return strerror(io
->error
);
541 io_can_read(struct io
*io
)
543 struct timeval tv
= { 0, 500 };
547 FD_SET(io
->pipe
, &fds
);
549 return select(io
->pipe
+ 1, &fds
, NULL
, NULL
, &tv
) > 0;
553 io_read(struct io
*io
, void *buf
, size_t bufsize
)
556 ssize_t readsize
= read(io
->pipe
, buf
, bufsize
);
558 if (readsize
< 0 && (errno
== EAGAIN
|| errno
== EINTR
))
560 else if (readsize
== -1)
562 else if (readsize
== 0)
569 io_get(struct io
*io
, int c
, bool can_read
)
575 io
->buf
= io
->bufpos
= malloc(BUFSIZ
);
578 io
->bufalloc
= BUFSIZ
;
583 if (io
->bufsize
> 0) {
584 eol
= memchr(io
->bufpos
, c
, io
->bufsize
);
586 char *line
= io
->bufpos
;
589 io
->bufpos
= eol
+ 1;
590 io
->bufsize
-= io
->bufpos
- line
;
597 io
->bufpos
[io
->bufsize
] = 0;
607 if (io
->bufsize
> 0 && io
->bufpos
> io
->buf
)
608 memmove(io
->buf
, io
->bufpos
, io
->bufsize
);
610 io
->bufpos
= io
->buf
;
611 readsize
= io_read(io
, io
->buf
+ io
->bufsize
, io
->bufalloc
- io
->bufsize
);
614 io
->bufsize
+= readsize
;
619 io_write(struct io
*io
, const void *buf
, size_t bufsize
)
623 while (!io_error(io
) && written
< bufsize
) {
626 size
= write(io
->pipe
, buf
+ written
, bufsize
- written
);
627 if (size
< 0 && (errno
== EAGAIN
|| errno
== EINTR
))
635 return written
== bufsize
;
639 run_io_buf(const char **argv
, char buf
[], size_t bufsize
)
644 if (!run_io_rd(&io
, argv
, FORMAT_NONE
))
647 io
.buf
= io
.bufpos
= buf
;
648 io
.bufalloc
= bufsize
;
649 error
= !io_get(&io
, '\n', TRUE
) && io_error(&io
);
652 return done_io(&io
) || error
;
656 io_load(struct io
*io
, const char *separators
,
657 int (*read_property
)(char *, size_t, char *, size_t))
665 while (state
== OK
&& (name
= io_get(io
, '\n', TRUE
))) {
670 name
= chomp_string(name
);
671 namelen
= strcspn(name
, separators
);
675 value
= chomp_string(name
+ namelen
+ 1);
676 valuelen
= strlen(value
);
683 state
= read_property(name
, namelen
, value
, valuelen
);
686 if (state
!= ERR
&& io_error(io
))
694 run_io_load(const char **argv
, const char *separators
,
695 int (*read_property
)(char *, size_t, char *, size_t))
699 return init_io_rd(&io
, argv
, NULL
, FORMAT_NONE
)
700 ? io_load(&io
, separators
, read_property
) : ERR
;
709 /* XXX: Keep the view request first and in sync with views[]. */ \
710 REQ_GROUP("View switching") \
711 REQ_(VIEW_MAIN, "Show main view"), \
712 REQ_(VIEW_DIFF, "Show diff view"), \
713 REQ_(VIEW_LOG, "Show log view"), \
714 REQ_(VIEW_TREE, "Show tree view"), \
715 REQ_(VIEW_BLOB, "Show blob view"), \
716 REQ_(VIEW_BLAME, "Show blame view"), \
717 REQ_(VIEW_HELP, "Show help page"), \
718 REQ_(VIEW_PAGER, "Show pager view"), \
719 REQ_(VIEW_STATUS, "Show status view"), \
720 REQ_(VIEW_STAGE, "Show stage view"), \
722 REQ_GROUP("View manipulation") \
723 REQ_(ENTER, "Enter current line and scroll"), \
724 REQ_(NEXT, "Move to next"), \
725 REQ_(PREVIOUS, "Move to previous"), \
726 REQ_(PARENT, "Move to parent"), \
727 REQ_(VIEW_NEXT, "Move focus to next view"), \
728 REQ_(REFRESH, "Reload and refresh"), \
729 REQ_(MAXIMIZE, "Maximize the current view"), \
730 REQ_(VIEW_CLOSE, "Close the current view"), \
731 REQ_(QUIT, "Close all views and quit"), \
733 REQ_GROUP("View specific requests") \
734 REQ_(STATUS_UPDATE, "Update file status"), \
735 REQ_(STATUS_REVERT, "Revert file changes"), \
736 REQ_(STATUS_MERGE, "Merge file using external tool"), \
737 REQ_(STAGE_NEXT, "Find next chunk to stage"), \
739 REQ_GROUP("Cursor navigation") \
740 REQ_(MOVE_UP, "Move cursor one line up"), \
741 REQ_(MOVE_DOWN, "Move cursor one line down"), \
742 REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \
743 REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \
744 REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \
745 REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \
747 REQ_GROUP("Scrolling") \
748 REQ_(SCROLL_LINE_UP, "Scroll one line up"), \
749 REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \
750 REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \
751 REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \
753 REQ_GROUP("Searching") \
754 REQ_(SEARCH, "Search the view"), \
755 REQ_(SEARCH_BACK, "Search backwards in the view"), \
756 REQ_(FIND_NEXT, "Find next search match"), \
757 REQ_(FIND_PREV, "Find previous search match"), \
759 REQ_GROUP("Option manipulation") \
760 REQ_(TOGGLE_LINENO, "Toggle line numbers"), \
761 REQ_(TOGGLE_DATE, "Toggle date display"), \
762 REQ_(TOGGLE_AUTHOR, "Toggle author display"), \
763 REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \
764 REQ_(TOGGLE_REFS, "Toggle reference display (tags/branches)"), \
767 REQ_(PROMPT, "Bring up the prompt"), \
768 REQ_(SCREEN_REDRAW, "Redraw the screen"), \
769 REQ_(SHOW_VERSION, "Show version information"), \
770 REQ_(STOP_LOADING, "Stop all loading views"), \
771 REQ_(EDIT, "Open in editor"), \
772 REQ_(NONE, "Do nothing")
775 /* User action requests. */
777 #define REQ_GROUP(help)
778 #define REQ_(req, help) REQ_##req
780 /* Offset all requests to avoid conflicts with ncurses getch values. */
781 REQ_OFFSET
= KEY_MAX
+ 1,
788 struct request_info
{
789 enum request request
;
795 static struct request_info req_info
[] = {
796 #define REQ_GROUP(help) { 0, NULL, 0, (help) },
797 #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) }
804 get_request(const char *name
)
806 int namelen
= strlen(name
);
809 for (i
= 0; i
< ARRAY_SIZE(req_info
); i
++)
810 if (req_info
[i
].namelen
== namelen
&&
811 !string_enum_compare(req_info
[i
].name
, name
, namelen
))
812 return req_info
[i
].request
;
822 static const char usage
[] =
823 "tig " TIG_VERSION
" (" __DATE__
")\n"
825 "Usage: tig [options] [revs] [--] [paths]\n"
826 " or: tig show [options] [revs] [--] [paths]\n"
827 " or: tig blame [rev] path\n"
829 " or: tig < [git command output]\n"
832 " -v, --version Show version and exit\n"
833 " -h, --help Show help message and exit";
835 /* Option and state variables. */
836 static bool opt_date
= TRUE
;
837 static bool opt_author
= TRUE
;
838 static bool opt_line_number
= FALSE
;
839 static bool opt_line_graphics
= TRUE
;
840 static bool opt_rev_graph
= FALSE
;
841 static bool opt_show_refs
= TRUE
;
842 static int opt_num_interval
= NUMBER_INTERVAL
;
843 static int opt_tab_size
= TAB_SIZE
;
844 static int opt_author_cols
= AUTHOR_COLS
-1;
845 static char opt_path
[SIZEOF_STR
] = "";
846 static char opt_file
[SIZEOF_STR
] = "";
847 static char opt_ref
[SIZEOF_REF
] = "";
848 static char opt_head
[SIZEOF_REF
] = "";
849 static char opt_head_rev
[SIZEOF_REV
] = "";
850 static char opt_remote
[SIZEOF_REF
] = "";
851 static char opt_encoding
[20] = "UTF-8";
852 static bool opt_utf8
= TRUE
;
853 static char opt_codeset
[20] = "UTF-8";
854 static iconv_t opt_iconv
= ICONV_NONE
;
855 static char opt_search
[SIZEOF_STR
] = "";
856 static char opt_cdup
[SIZEOF_STR
] = "";
857 static char opt_prefix
[SIZEOF_STR
] = "";
858 static char opt_git_dir
[SIZEOF_STR
] = "";
859 static signed char opt_is_inside_work_tree
= -1; /* set to TRUE or FALSE */
860 static char opt_editor
[SIZEOF_STR
] = "";
861 static FILE *opt_tty
= NULL
;
863 #define is_initial_commit() (!*opt_head_rev)
864 #define is_head_commit(rev) (!strcmp((rev), "HEAD") || !strcmp(opt_head_rev, (rev)))
867 parse_options(int argc
, const char *argv
[], const char ***run_argv
)
869 enum request request
= REQ_VIEW_MAIN
;
870 const char *subcommand
;
871 bool seen_dashdash
= FALSE
;
872 /* XXX: This is vulnerable to the user overriding options
873 * required for the main view parser. */
874 static const char *custom_argv
[SIZEOF_ARG
] = {
875 "git", "log", "--no-color", "--pretty=raw", "--parents",
880 if (!isatty(STDIN_FILENO
))
881 return REQ_VIEW_PAGER
;
884 return REQ_VIEW_MAIN
;
886 subcommand
= argv
[1];
887 if (!strcmp(subcommand
, "status")) {
889 warn("ignoring arguments after `%s'", subcommand
);
890 return REQ_VIEW_STATUS
;
892 } else if (!strcmp(subcommand
, "blame")) {
893 if (argc
<= 2 || argc
> 4)
894 die("invalid number of options to blame\n\n%s", usage
);
898 string_ncopy(opt_ref
, argv
[i
], strlen(argv
[i
]));
902 string_ncopy(opt_file
, argv
[i
], strlen(argv
[i
]));
903 return REQ_VIEW_BLAME
;
905 } else if (!strcmp(subcommand
, "show")) {
906 request
= REQ_VIEW_DIFF
;
913 custom_argv
[1] = subcommand
;
917 for (i
= 1 + !!subcommand
; i
< argc
; i
++) {
918 const char *opt
= argv
[i
];
920 if (seen_dashdash
|| !strcmp(opt
, "--")) {
921 seen_dashdash
= TRUE
;
923 } else if (!strcmp(opt
, "-v") || !strcmp(opt
, "--version")) {
924 printf("tig version %s\n", TIG_VERSION
);
927 } else if (!strcmp(opt
, "-h") || !strcmp(opt
, "--help")) {
928 printf("%s\n", usage
);
932 custom_argv
[j
++] = opt
;
933 if (j
>= ARRAY_SIZE(custom_argv
))
934 die("command too long");
937 custom_argv
[j
] = NULL
;
938 *run_argv
= custom_argv
;
945 * Line-oriented content detection.
949 LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
950 LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
951 LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \
952 LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \
953 LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \
954 LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
955 LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
956 LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
957 LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
958 LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
959 LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
960 LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
961 LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
962 LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
963 LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \
964 LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
965 LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \
966 LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
967 LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
968 LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
969 LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \
970 LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \
971 LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \
972 LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
973 LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \
974 LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
975 LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
976 LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
977 LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
978 LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \
979 LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
980 LINE(DELIMITER, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
981 LINE(DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \
982 LINE(LINE_NUMBER, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
983 LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \
984 LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \
985 LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
986 LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
987 LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \
988 LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
989 LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
990 LINE(MAIN_TRACKED, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \
991 LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
992 LINE(MAIN_HEAD, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \
993 LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
994 LINE(TREE_PARENT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_BOLD), \
995 LINE(TREE_MODE, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
996 LINE(TREE_DIR, "", COLOR_YELLOW, COLOR_DEFAULT, A_NORMAL), \
997 LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
998 LINE(STAT_HEAD, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
999 LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
1000 LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
1001 LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1002 LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1003 LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
1004 LINE(BLAME_ID, "", COLOR_MAGENTA, COLOR_DEFAULT, 0)
1007 #define LINE(type, line, fg, bg, attr) \
1015 const char *name
; /* Option name. */
1016 int namelen
; /* Size of option name. */
1017 const char *line
; /* The start of line to match. */
1018 int linelen
; /* Size of string to match. */
1019 int fg
, bg
, attr
; /* Color and text attributes for the lines. */
1022 static struct line_info line_info
[] = {
1023 #define LINE(type, line, fg, bg, attr) \
1024 { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) }
1029 static enum line_type
1030 get_line_type(const char *line
)
1032 int linelen
= strlen(line
);
1033 enum line_type type
;
1035 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++)
1036 /* Case insensitive search matches Signed-off-by lines better. */
1037 if (linelen
>= line_info
[type
].linelen
&&
1038 !strncasecmp(line_info
[type
].line
, line
, line_info
[type
].linelen
))
1041 return LINE_DEFAULT
;
1045 get_line_attr(enum line_type type
)
1047 assert(type
< ARRAY_SIZE(line_info
));
1048 return COLOR_PAIR(type
) | line_info
[type
].attr
;
1051 static struct line_info
*
1052 get_line_info(const char *name
)
1054 size_t namelen
= strlen(name
);
1055 enum line_type type
;
1057 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++)
1058 if (namelen
== line_info
[type
].namelen
&&
1059 !string_enum_compare(line_info
[type
].name
, name
, namelen
))
1060 return &line_info
[type
];
1068 int default_bg
= line_info
[LINE_DEFAULT
].bg
;
1069 int default_fg
= line_info
[LINE_DEFAULT
].fg
;
1070 enum line_type type
;
1074 if (assume_default_colors(default_fg
, default_bg
) == ERR
) {
1075 default_bg
= COLOR_BLACK
;
1076 default_fg
= COLOR_WHITE
;
1079 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++) {
1080 struct line_info
*info
= &line_info
[type
];
1081 int bg
= info
->bg
== COLOR_DEFAULT
? default_bg
: info
->bg
;
1082 int fg
= info
->fg
== COLOR_DEFAULT
? default_fg
: info
->fg
;
1084 init_pair(type
, fg
, bg
);
1089 enum line_type type
;
1092 unsigned int selected
:1;
1093 unsigned int dirty
:1;
1094 unsigned int cleareol
:1;
1096 void *data
; /* User data */
1106 enum request request
;
1109 static struct keybinding default_keybindings
[] = {
1110 /* View switching */
1111 { 'm', REQ_VIEW_MAIN
},
1112 { 'd', REQ_VIEW_DIFF
},
1113 { 'l', REQ_VIEW_LOG
},
1114 { 't', REQ_VIEW_TREE
},
1115 { 'f', REQ_VIEW_BLOB
},
1116 { 'B', REQ_VIEW_BLAME
},
1117 { 'p', REQ_VIEW_PAGER
},
1118 { 'h', REQ_VIEW_HELP
},
1119 { 'S', REQ_VIEW_STATUS
},
1120 { 'c', REQ_VIEW_STAGE
},
1122 /* View manipulation */
1123 { 'q', REQ_VIEW_CLOSE
},
1124 { KEY_TAB
, REQ_VIEW_NEXT
},
1125 { KEY_RETURN
, REQ_ENTER
},
1126 { KEY_UP
, REQ_PREVIOUS
},
1127 { KEY_DOWN
, REQ_NEXT
},
1128 { 'R', REQ_REFRESH
},
1129 { KEY_F(5), REQ_REFRESH
},
1130 { 'O', REQ_MAXIMIZE
},
1132 /* Cursor navigation */
1133 { 'k', REQ_MOVE_UP
},
1134 { 'j', REQ_MOVE_DOWN
},
1135 { KEY_HOME
, REQ_MOVE_FIRST_LINE
},
1136 { KEY_END
, REQ_MOVE_LAST_LINE
},
1137 { KEY_NPAGE
, REQ_MOVE_PAGE_DOWN
},
1138 { ' ', REQ_MOVE_PAGE_DOWN
},
1139 { KEY_PPAGE
, REQ_MOVE_PAGE_UP
},
1140 { 'b', REQ_MOVE_PAGE_UP
},
1141 { '-', REQ_MOVE_PAGE_UP
},
1144 { KEY_IC
, REQ_SCROLL_LINE_UP
},
1145 { KEY_DC
, REQ_SCROLL_LINE_DOWN
},
1146 { 'w', REQ_SCROLL_PAGE_UP
},
1147 { 's', REQ_SCROLL_PAGE_DOWN
},
1150 { '/', REQ_SEARCH
},
1151 { '?', REQ_SEARCH_BACK
},
1152 { 'n', REQ_FIND_NEXT
},
1153 { 'N', REQ_FIND_PREV
},
1157 { 'z', REQ_STOP_LOADING
},
1158 { 'v', REQ_SHOW_VERSION
},
1159 { 'r', REQ_SCREEN_REDRAW
},
1160 { '.', REQ_TOGGLE_LINENO
},
1161 { 'D', REQ_TOGGLE_DATE
},
1162 { 'A', REQ_TOGGLE_AUTHOR
},
1163 { 'g', REQ_TOGGLE_REV_GRAPH
},
1164 { 'F', REQ_TOGGLE_REFS
},
1165 { ':', REQ_PROMPT
},
1166 { 'u', REQ_STATUS_UPDATE
},
1167 { '!', REQ_STATUS_REVERT
},
1168 { 'M', REQ_STATUS_MERGE
},
1169 { '@', REQ_STAGE_NEXT
},
1170 { ',', REQ_PARENT
},
1174 #define KEYMAP_INFO \
1188 #define KEYMAP_(name) KEYMAP_##name
1193 static struct int_map keymap_table
[] = {
1194 #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name }
1199 #define set_keymap(map, name) \
1200 set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name))
1202 struct keybinding_table
{
1203 struct keybinding
*data
;
1207 static struct keybinding_table keybindings
[ARRAY_SIZE(keymap_table
)];
1210 add_keybinding(enum keymap keymap
, enum request request
, int key
)
1212 struct keybinding_table
*table
= &keybindings
[keymap
];
1214 table
->data
= realloc(table
->data
, (table
->size
+ 1) * sizeof(*table
->data
));
1216 die("Failed to allocate keybinding");
1217 table
->data
[table
->size
].alias
= key
;
1218 table
->data
[table
->size
++].request
= request
;
1221 /* Looks for a key binding first in the given map, then in the generic map, and
1222 * lastly in the default keybindings. */
1224 get_keybinding(enum keymap keymap
, int key
)
1228 for (i
= 0; i
< keybindings
[keymap
].size
; i
++)
1229 if (keybindings
[keymap
].data
[i
].alias
== key
)
1230 return keybindings
[keymap
].data
[i
].request
;
1232 for (i
= 0; i
< keybindings
[KEYMAP_GENERIC
].size
; i
++)
1233 if (keybindings
[KEYMAP_GENERIC
].data
[i
].alias
== key
)
1234 return keybindings
[KEYMAP_GENERIC
].data
[i
].request
;
1236 for (i
= 0; i
< ARRAY_SIZE(default_keybindings
); i
++)
1237 if (default_keybindings
[i
].alias
== key
)
1238 return default_keybindings
[i
].request
;
1240 return (enum request
) key
;
1249 static struct key key_table
[] = {
1250 { "Enter", KEY_RETURN
},
1252 { "Backspace", KEY_BACKSPACE
},
1254 { "Escape", KEY_ESC
},
1255 { "Left", KEY_LEFT
},
1256 { "Right", KEY_RIGHT
},
1258 { "Down", KEY_DOWN
},
1259 { "Insert", KEY_IC
},
1260 { "Delete", KEY_DC
},
1262 { "Home", KEY_HOME
},
1264 { "PageUp", KEY_PPAGE
},
1265 { "PageDown", KEY_NPAGE
},
1275 { "F10", KEY_F(10) },
1276 { "F11", KEY_F(11) },
1277 { "F12", KEY_F(12) },
1281 get_key_value(const char *name
)
1285 for (i
= 0; i
< ARRAY_SIZE(key_table
); i
++)
1286 if (!strcasecmp(key_table
[i
].name
, name
))
1287 return key_table
[i
].value
;
1289 if (strlen(name
) == 1 && isprint(*name
))
1296 get_key_name(int key_value
)
1298 static char key_char
[] = "'X'";
1299 const char *seq
= NULL
;
1302 for (key
= 0; key
< ARRAY_SIZE(key_table
); key
++)
1303 if (key_table
[key
].value
== key_value
)
1304 seq
= key_table
[key
].name
;
1308 isprint(key_value
)) {
1309 key_char
[1] = (char) key_value
;
1313 return seq
? seq
: "(no key)";
1317 get_key(enum request request
)
1319 static char buf
[BUFSIZ
];
1326 for (i
= 0; i
< ARRAY_SIZE(default_keybindings
); i
++) {
1327 struct keybinding
*keybinding
= &default_keybindings
[i
];
1329 if (keybinding
->request
!= request
)
1332 if (!string_format_from(buf
, &pos
, "%s%s", sep
,
1333 get_key_name(keybinding
->alias
)))
1334 return "Too many keybindings!";
1341 struct run_request
{
1344 const char *argv
[SIZEOF_ARG
];
1347 static struct run_request
*run_request
;
1348 static size_t run_requests
;
1351 add_run_request(enum keymap keymap
, int key
, int argc
, const char **argv
)
1353 struct run_request
*req
;
1355 if (argc
>= ARRAY_SIZE(req
->argv
) - 1)
1358 req
= realloc(run_request
, (run_requests
+ 1) * sizeof(*run_request
));
1363 req
= &run_request
[run_requests
];
1364 req
->keymap
= keymap
;
1366 req
->argv
[0] = NULL
;
1368 if (!format_argv(req
->argv
, argv
, FORMAT_NONE
))
1371 return REQ_NONE
+ ++run_requests
;
1374 static struct run_request
*
1375 get_run_request(enum request request
)
1377 if (request
<= REQ_NONE
)
1379 return &run_request
[request
- REQ_NONE
- 1];
1383 add_builtin_run_requests(void)
1385 const char *cherry_pick
[] = { "git", "cherry-pick", "%(commit)", NULL
};
1386 const char *gc
[] = { "git", "gc", NULL
};
1393 { KEYMAP_MAIN
, 'C', ARRAY_SIZE(cherry_pick
) - 1, cherry_pick
},
1394 { KEYMAP_GENERIC
, 'G', ARRAY_SIZE(gc
) - 1, gc
},
1398 for (i
= 0; i
< ARRAY_SIZE(reqs
); i
++) {
1401 req
= add_run_request(reqs
[i
].keymap
, reqs
[i
].key
, reqs
[i
].argc
, reqs
[i
].argv
);
1402 if (req
!= REQ_NONE
)
1403 add_keybinding(reqs
[i
].keymap
, req
, reqs
[i
].key
);
1408 * User config file handling.
1411 static struct int_map color_map
[] = {
1412 #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name }
1424 #define set_color(color, name) \
1425 set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name))
1427 static struct int_map attr_map
[] = {
1428 #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name }
1435 ATTR_MAP(UNDERLINE
),
1438 #define set_attribute(attr, name) \
1439 set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name))
1441 static int config_lineno
;
1442 static bool config_errors
;
1443 static const char *config_msg
;
1445 /* Wants: object fgcolor bgcolor [attr] */
1447 option_color_command(int argc
, const char *argv
[])
1449 struct line_info
*info
;
1451 if (argc
!= 3 && argc
!= 4) {
1452 config_msg
= "Wrong number of arguments given to color command";
1456 info
= get_line_info(argv
[0]);
1458 if (!string_enum_compare(argv
[0], "main-delim", strlen("main-delim"))) {
1459 info
= get_line_info("delimiter");
1461 } else if (!string_enum_compare(argv
[0], "main-date", strlen("main-date"))) {
1462 info
= get_line_info("date");
1465 config_msg
= "Unknown color name";
1470 if (set_color(&info
->fg
, argv
[1]) == ERR
||
1471 set_color(&info
->bg
, argv
[2]) == ERR
) {
1472 config_msg
= "Unknown color";
1476 if (argc
== 4 && set_attribute(&info
->attr
, argv
[3]) == ERR
) {
1477 config_msg
= "Unknown attribute";
1484 static bool parse_bool(const char *s
)
1486 return (!strcmp(s
, "1") || !strcmp(s
, "true") ||
1487 !strcmp(s
, "yes")) ? TRUE
: FALSE
;
1491 parse_int(const char *s
, int default_value
, int min
, int max
)
1493 int value
= atoi(s
);
1495 return (value
< min
|| value
> max
) ? default_value
: value
;
1498 /* Wants: name = value */
1500 option_set_command(int argc
, const char *argv
[])
1503 config_msg
= "Wrong number of arguments given to set command";
1507 if (strcmp(argv
[1], "=")) {
1508 config_msg
= "No value assigned";
1512 if (!strcmp(argv
[0], "show-author")) {
1513 opt_author
= parse_bool(argv
[2]);
1517 if (!strcmp(argv
[0], "show-date")) {
1518 opt_date
= parse_bool(argv
[2]);
1522 if (!strcmp(argv
[0], "show-rev-graph")) {
1523 opt_rev_graph
= parse_bool(argv
[2]);
1527 if (!strcmp(argv
[0], "show-refs")) {
1528 opt_show_refs
= parse_bool(argv
[2]);
1532 if (!strcmp(argv
[0], "show-line-numbers")) {
1533 opt_line_number
= parse_bool(argv
[2]);
1537 if (!strcmp(argv
[0], "line-graphics")) {
1538 opt_line_graphics
= parse_bool(argv
[2]);
1542 if (!strcmp(argv
[0], "line-number-interval")) {
1543 opt_num_interval
= parse_int(argv
[2], opt_num_interval
, 1, 1024);
1547 if (!strcmp(argv
[0], "author-width")) {
1548 opt_author_cols
= parse_int(argv
[2], opt_author_cols
, 0, 1024);
1552 if (!strcmp(argv
[0], "tab-size")) {
1553 opt_tab_size
= parse_int(argv
[2], opt_tab_size
, 1, 1024);
1557 if (!strcmp(argv
[0], "commit-encoding")) {
1558 const char *arg
= argv
[2];
1559 int arglen
= strlen(arg
);
1564 if (arglen
== 1 || arg
[arglen
- 1] != arg
[0]) {
1565 config_msg
= "Unmatched quotation";
1568 arg
+= 1; arglen
-= 2;
1570 string_ncopy(opt_encoding
, arg
, strlen(arg
));
1575 config_msg
= "Unknown variable name";
1579 /* Wants: mode request key */
1581 option_bind_command(int argc
, const char *argv
[])
1583 enum request request
;
1588 config_msg
= "Wrong number of arguments given to bind command";
1592 if (set_keymap(&keymap
, argv
[0]) == ERR
) {
1593 config_msg
= "Unknown key map";
1597 key
= get_key_value(argv
[1]);
1599 config_msg
= "Unknown key";
1603 request
= get_request(argv
[2]);
1604 if (request
== REQ_NONE
) {
1607 enum request request
;
1609 { "cherry-pick", REQ_NONE
},
1610 { "screen-resize", REQ_NONE
},
1611 { "tree-parent", REQ_PARENT
},
1613 size_t namelen
= strlen(argv
[2]);
1616 for (i
= 0; i
< ARRAY_SIZE(obsolete
); i
++) {
1617 if (namelen
!= strlen(obsolete
[i
].name
) ||
1618 string_enum_compare(obsolete
[i
].name
, argv
[2], namelen
))
1620 if (obsolete
[i
].request
!= REQ_NONE
)
1621 add_keybinding(keymap
, obsolete
[i
].request
, key
);
1622 config_msg
= "Obsolete request name";
1626 if (request
== REQ_NONE
&& *argv
[2]++ == '!')
1627 request
= add_run_request(keymap
, key
, argc
- 2, argv
+ 2);
1628 if (request
== REQ_NONE
) {
1629 config_msg
= "Unknown request name";
1633 add_keybinding(keymap
, request
, key
);
1639 set_option(const char *opt
, char *value
)
1641 const char *argv
[SIZEOF_ARG
];
1644 if (!argv_from_string(argv
, &argc
, value
)) {
1645 config_msg
= "Too many option arguments";
1649 if (!strcmp(opt
, "color"))
1650 return option_color_command(argc
, argv
);
1652 if (!strcmp(opt
, "set"))
1653 return option_set_command(argc
, argv
);
1655 if (!strcmp(opt
, "bind"))
1656 return option_bind_command(argc
, argv
);
1658 config_msg
= "Unknown option command";
1663 read_option(char *opt
, size_t optlen
, char *value
, size_t valuelen
)
1668 config_msg
= "Internal error";
1670 /* Check for comment markers, since read_properties() will
1671 * only ensure opt and value are split at first " \t". */
1672 optlen
= strcspn(opt
, "#");
1676 if (opt
[optlen
] != 0) {
1677 config_msg
= "No option value";
1681 /* Look for comment endings in the value. */
1682 size_t len
= strcspn(value
, "#");
1684 if (len
< valuelen
) {
1686 value
[valuelen
] = 0;
1689 status
= set_option(opt
, value
);
1692 if (status
== ERR
) {
1693 warn("Error on line %d, near '%.*s': %s",
1694 config_lineno
, (int) optlen
, opt
, config_msg
);
1695 config_errors
= TRUE
;
1698 /* Always keep going if errors are encountered. */
1703 load_option_file(const char *path
)
1707 /* It's ok that the file doesn't exist. */
1708 if (!io_open(&io
, path
))
1712 config_errors
= FALSE
;
1714 if (io_load(&io
, " \t", read_option
) == ERR
||
1715 config_errors
== TRUE
)
1716 warn("Errors while loading %s.", path
);
1722 const char *home
= getenv("HOME");
1723 const char *tigrc_user
= getenv("TIGRC_USER");
1724 const char *tigrc_system
= getenv("TIGRC_SYSTEM");
1725 char buf
[SIZEOF_STR
];
1727 add_builtin_run_requests();
1729 if (!tigrc_system
) {
1730 if (!string_format(buf
, "%s/tigrc", SYSCONFDIR
))
1734 load_option_file(tigrc_system
);
1737 if (!home
|| !string_format(buf
, "%s/.tigrc", home
))
1741 load_option_file(tigrc_user
);
1754 /* The display array of active views and the index of the current view. */
1755 static struct view
*display
[2];
1756 static unsigned int current_view
;
1758 #define foreach_displayed_view(view, i) \
1759 for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++)
1761 #define displayed_views() (display[1] != NULL ? 2 : 1)
1763 /* Current head and commit ID */
1764 static char ref_blob
[SIZEOF_REF
] = "";
1765 static char ref_commit
[SIZEOF_REF
] = "HEAD";
1766 static char ref_head
[SIZEOF_REF
] = "HEAD";
1769 const char *name
; /* View name */
1770 const char *cmd_env
; /* Command line set via environment */
1771 const char *id
; /* Points to either of ref_{head,commit,blob} */
1773 struct view_ops
*ops
; /* View operations */
1775 enum keymap keymap
; /* What keymap does this view have */
1776 bool git_dir
; /* Whether the view requires a git directory. */
1778 char ref
[SIZEOF_REF
]; /* Hovered commit reference */
1779 char vid
[SIZEOF_REF
]; /* View ID. Set to id member when updating. */
1781 int height
, width
; /* The width and height of the main window */
1782 WINDOW
*win
; /* The main window */
1783 WINDOW
*title
; /* The title window living below the main window */
1786 unsigned long offset
; /* Offset of the window top */
1787 unsigned long lineno
; /* Current line number */
1788 unsigned long p_offset
; /* Previous offset of the window top */
1789 unsigned long p_lineno
; /* Previous current line number */
1790 bool p_restore
; /* Should the previous position be restored. */
1793 char grep
[SIZEOF_STR
]; /* Search string */
1794 regex_t
*regex
; /* Pre-compiled regex */
1796 /* If non-NULL, points to the view that opened this view. If this view
1797 * is closed tig will switch back to the parent view. */
1798 struct view
*parent
;
1801 size_t lines
; /* Total number of lines */
1802 struct line
*line
; /* Line index */
1803 size_t line_alloc
; /* Total number of allocated lines */
1804 unsigned int digits
; /* Number of digits in the lines member. */
1807 struct line
*curline
; /* Line currently being drawn. */
1808 enum line_type curtype
; /* Attribute currently used for drawing. */
1809 unsigned long col
; /* Column when drawing. */
1810 bool has_scrolled
; /* View was scrolled. */
1820 /* What type of content being displayed. Used in the title bar. */
1822 /* Default command arguments. */
1824 /* Open and reads in all view content. */
1825 bool (*open
)(struct view
*view
);
1826 /* Read one line; updates view->line. */
1827 bool (*read
)(struct view
*view
, char *data
);
1828 /* Draw one line; @lineno must be < view->height. */
1829 bool (*draw
)(struct view
*view
, struct line
*line
, unsigned int lineno
);
1830 /* Depending on view handle a special requests. */
1831 enum request (*request
)(struct view
*view
, enum request request
, struct line
*line
);
1832 /* Search for regex in a line. */
1833 bool (*grep
)(struct view
*view
, struct line
*line
);
1835 void (*select
)(struct view
*view
, struct line
*line
);
1838 static struct view_ops blame_ops
;
1839 static struct view_ops blob_ops
;
1840 static struct view_ops diff_ops
;
1841 static struct view_ops help_ops
;
1842 static struct view_ops log_ops
;
1843 static struct view_ops main_ops
;
1844 static struct view_ops pager_ops
;
1845 static struct view_ops stage_ops
;
1846 static struct view_ops status_ops
;
1847 static struct view_ops tree_ops
;
1849 #define VIEW_STR(name, env, ref, ops, map, git) \
1850 { name, #env, ref, ops, map, git }
1852 #define VIEW_(id, name, ops, git, ref) \
1853 VIEW_STR(name, TIG_##id##_CMD, ref, ops, KEYMAP_##id, git)
1856 static struct view views
[] = {
1857 VIEW_(MAIN
, "main", &main_ops
, TRUE
, ref_head
),
1858 VIEW_(DIFF
, "diff", &diff_ops
, TRUE
, ref_commit
),
1859 VIEW_(LOG
, "log", &log_ops
, TRUE
, ref_head
),
1860 VIEW_(TREE
, "tree", &tree_ops
, TRUE
, ref_commit
),
1861 VIEW_(BLOB
, "blob", &blob_ops
, TRUE
, ref_blob
),
1862 VIEW_(BLAME
, "blame", &blame_ops
, TRUE
, ref_commit
),
1863 VIEW_(HELP
, "help", &help_ops
, FALSE
, ""),
1864 VIEW_(PAGER
, "pager", &pager_ops
, FALSE
, "stdin"),
1865 VIEW_(STATUS
, "status", &status_ops
, TRUE
, ""),
1866 VIEW_(STAGE
, "stage", &stage_ops
, TRUE
, ""),
1869 #define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
1870 #define VIEW_REQ(view) ((view) - views + REQ_OFFSET + 1)
1872 #define foreach_view(view, i) \
1873 for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++)
1875 #define view_is_displayed(view) \
1876 (view == display[0] || view == display[1])
1883 static int line_graphics
[] = {
1884 /* LINE_GRAPHIC_VLINE: */ '|'
1888 set_view_attr(struct view
*view
, enum line_type type
)
1890 if (!view
->curline
->selected
&& view
->curtype
!= type
) {
1891 wattrset(view
->win
, get_line_attr(type
));
1892 wchgat(view
->win
, -1, 0, type
, NULL
);
1893 view
->curtype
= type
;
1898 draw_chars(struct view
*view
, enum line_type type
, const char *string
,
1899 int max_len
, bool use_tilde
)
1903 int trimmed
= FALSE
;
1909 len
= utf8_length(string
, &col
, max_len
, &trimmed
, use_tilde
);
1911 col
= len
= strlen(string
);
1912 if (len
> max_len
) {
1916 col
= len
= max_len
;
1921 set_view_attr(view
, type
);
1922 waddnstr(view
->win
, string
, len
);
1923 if (trimmed
&& use_tilde
) {
1924 set_view_attr(view
, LINE_DELIMITER
);
1925 waddch(view
->win
, '~');
1933 draw_space(struct view
*view
, enum line_type type
, int max
, int spaces
)
1935 static char space
[] = " ";
1938 spaces
= MIN(max
, spaces
);
1940 while (spaces
> 0) {
1941 int len
= MIN(spaces
, sizeof(space
) - 1);
1943 col
+= draw_chars(view
, type
, space
, spaces
, FALSE
);
1951 draw_lineno(struct view
*view
, unsigned int lineno
)
1954 int digits3
= view
->digits
< 3 ? 3 : view
->digits
;
1955 int max_number
= MIN(digits3
, STRING_SIZE(number
));
1956 int max
= view
->width
- view
->col
;
1959 if (max
< max_number
)
1962 lineno
+= view
->offset
+ 1;
1963 if (lineno
== 1 || (lineno
% opt_num_interval
) == 0) {
1964 static char fmt
[] = "%1ld";
1966 if (view
->digits
<= 9)
1967 fmt
[1] = '0' + digits3
;
1969 if (!string_format(number
, fmt
, lineno
))
1971 col
= draw_chars(view
, LINE_LINE_NUMBER
, number
, max_number
, TRUE
);
1973 col
= draw_space(view
, LINE_LINE_NUMBER
, max_number
, max_number
);
1977 set_view_attr(view
, LINE_DEFAULT
);
1978 waddch(view
->win
, line_graphics
[LINE_GRAPHIC_VLINE
]);
1983 col
+= draw_space(view
, LINE_DEFAULT
, max
- col
, 1);
1986 return view
->width
- view
->col
<= 0;
1990 draw_text(struct view
*view
, enum line_type type
, const char *string
, bool trim
)
1992 view
->col
+= draw_chars(view
, type
, string
, view
->width
- view
->col
, trim
);
1993 return view
->width
- view
->col
<= 0;
1997 draw_graphic(struct view
*view
, enum line_type type
, chtype graphic
[], size_t size
)
1999 int max
= view
->width
- view
->col
;
2005 set_view_attr(view
, type
);
2006 /* Using waddch() instead of waddnstr() ensures that
2007 * they'll be rendered correctly for the cursor line. */
2008 for (i
= 0; i
< size
; i
++)
2009 waddch(view
->win
, graphic
[i
]);
2013 waddch(view
->win
, ' ');
2017 return view
->width
- view
->col
<= 0;
2021 draw_field(struct view
*view
, enum line_type type
, const char *text
, int len
, bool trim
)
2023 int max
= MIN(view
->width
- view
->col
, len
);
2027 col
= draw_chars(view
, type
, text
, max
- 1, trim
);
2029 col
= draw_space(view
, type
, max
- 1, max
- 1);
2031 view
->col
+= col
+ draw_space(view
, LINE_DEFAULT
, max
- col
, max
- col
);
2032 return view
->width
- view
->col
<= 0;
2036 draw_date(struct view
*view
, struct tm
*time
)
2038 char buf
[DATE_COLS
];
2043 timelen
= strftime(buf
, sizeof(buf
), DATE_FORMAT
, time
);
2044 date
= timelen
? buf
: NULL
;
2046 return draw_field(view
, LINE_DATE
, date
, DATE_COLS
, FALSE
);
2050 draw_author(struct view
*view
, const char *author
)
2052 bool trim
= opt_author_cols
== 0 || opt_author_cols
> 5 || !author
;
2055 static char initials
[10];
2058 #define is_initial_sep(c) (isspace(c) || ispunct(c) || (c) == '@')
2060 memset(initials
, 0, sizeof(initials
));
2061 for (pos
= 0; *author
&& pos
< opt_author_cols
- 1; author
++, pos
++) {
2062 while (is_initial_sep(*author
))
2064 strncpy(&initials
[pos
], author
, sizeof(initials
) - 1 - pos
);
2065 while (*author
&& !is_initial_sep(author
[1]))
2072 return draw_field(view
, LINE_MAIN_AUTHOR
, author
, opt_author_cols
, trim
);
2076 draw_view_line(struct view
*view
, unsigned int lineno
)
2079 bool selected
= (view
->offset
+ lineno
== view
->lineno
);
2081 assert(view_is_displayed(view
));
2083 if (view
->offset
+ lineno
>= view
->lines
)
2086 line
= &view
->line
[view
->offset
+ lineno
];
2088 wmove(view
->win
, lineno
, 0);
2090 wclrtoeol(view
->win
);
2092 view
->curline
= line
;
2093 view
->curtype
= LINE_NONE
;
2094 line
->selected
= FALSE
;
2095 line
->dirty
= line
->cleareol
= 0;
2098 set_view_attr(view
, LINE_CURSOR
);
2099 line
->selected
= TRUE
;
2100 view
->ops
->select(view
, line
);
2103 return view
->ops
->draw(view
, line
, lineno
);
2107 redraw_view_dirty(struct view
*view
)
2112 for (lineno
= 0; lineno
< view
->height
; lineno
++) {
2113 if (view
->offset
+ lineno
>= view
->lines
)
2115 if (!view
->line
[view
->offset
+ lineno
].dirty
)
2118 if (!draw_view_line(view
, lineno
))
2124 wnoutrefresh(view
->win
);
2128 redraw_view_from(struct view
*view
, int lineno
)
2130 assert(0 <= lineno
&& lineno
< view
->height
);
2132 for (; lineno
< view
->height
; lineno
++) {
2133 if (!draw_view_line(view
, lineno
))
2137 wnoutrefresh(view
->win
);
2141 redraw_view(struct view
*view
)
2144 redraw_view_from(view
, 0);
2149 update_view_title(struct view
*view
)
2151 char buf
[SIZEOF_STR
];
2152 char state
[SIZEOF_STR
];
2153 size_t bufpos
= 0, statelen
= 0;
2155 assert(view_is_displayed(view
));
2157 if (view
!= VIEW(REQ_VIEW_STATUS
) && view
->lines
) {
2158 unsigned int view_lines
= view
->offset
+ view
->height
;
2159 unsigned int lines
= view
->lines
2160 ? MIN(view_lines
, view
->lines
) * 100 / view
->lines
2163 string_format_from(state
, &statelen
, " - %s %d of %d (%d%%)",
2172 time_t secs
= time(NULL
) - view
->start_time
;
2174 /* Three git seconds are a long time ... */
2176 string_format_from(state
, &statelen
, " loading %lds", secs
);
2179 string_format_from(buf
, &bufpos
, "[%s]", view
->name
);
2180 if (*view
->ref
&& bufpos
< view
->width
) {
2181 size_t refsize
= strlen(view
->ref
);
2182 size_t minsize
= bufpos
+ 1 + /* abbrev= */ 7 + 1 + statelen
;
2184 if (minsize
< view
->width
)
2185 refsize
= view
->width
- minsize
+ 7;
2186 string_format_from(buf
, &bufpos
, " %.*s", (int) refsize
, view
->ref
);
2189 if (statelen
&& bufpos
< view
->width
) {
2190 string_format_from(buf
, &bufpos
, "%s", state
);
2193 if (view
== display
[current_view
])
2194 wbkgdset(view
->title
, get_line_attr(LINE_TITLE_FOCUS
));
2196 wbkgdset(view
->title
, get_line_attr(LINE_TITLE_BLUR
));
2198 mvwaddnstr(view
->title
, 0, 0, buf
, bufpos
);
2199 wclrtoeol(view
->title
);
2200 wnoutrefresh(view
->title
);
2204 resize_display(void)
2207 struct view
*base
= display
[0];
2208 struct view
*view
= display
[1] ? display
[1] : display
[0];
2210 /* Setup window dimensions */
2212 getmaxyx(stdscr
, base
->height
, base
->width
);
2214 /* Make room for the status window. */
2218 /* Horizontal split. */
2219 view
->width
= base
->width
;
2220 view
->height
= SCALE_SPLIT_VIEW(base
->height
);
2221 base
->height
-= view
->height
;
2223 /* Make room for the title bar. */
2227 /* Make room for the title bar. */
2232 foreach_displayed_view (view
, i
) {
2234 view
->win
= newwin(view
->height
, 0, offset
, 0);
2236 die("Failed to create %s view", view
->name
);
2238 scrollok(view
->win
, FALSE
);
2240 view
->title
= newwin(1, 0, offset
+ view
->height
, 0);
2242 die("Failed to create title window");
2245 wresize(view
->win
, view
->height
, view
->width
);
2246 mvwin(view
->win
, offset
, 0);
2247 mvwin(view
->title
, offset
+ view
->height
, 0);
2250 offset
+= view
->height
+ 1;
2255 redraw_display(bool clear
)
2260 foreach_displayed_view (view
, i
) {
2264 update_view_title(view
);
2269 toggle_view_option(bool *option
, const char *help
)
2272 redraw_display(FALSE
);
2273 report("%sabling %s", *option
? "En" : "Dis", help
);
2280 /* Scrolling backend */
2282 do_scroll_view(struct view
*view
, int lines
)
2284 bool redraw_current_line
= FALSE
;
2286 /* The rendering expects the new offset. */
2287 view
->offset
+= lines
;
2289 assert(0 <= view
->offset
&& view
->offset
< view
->lines
);
2292 /* Move current line into the view. */
2293 if (view
->lineno
< view
->offset
) {
2294 view
->lineno
= view
->offset
;
2295 redraw_current_line
= TRUE
;
2296 } else if (view
->lineno
>= view
->offset
+ view
->height
) {
2297 view
->lineno
= view
->offset
+ view
->height
- 1;
2298 redraw_current_line
= TRUE
;
2301 assert(view
->offset
<= view
->lineno
&& view
->lineno
< view
->lines
);
2303 /* Redraw the whole screen if scrolling is pointless. */
2304 if (view
->height
< ABS(lines
)) {
2308 int line
= lines
> 0 ? view
->height
- lines
: 0;
2309 int end
= line
+ ABS(lines
);
2311 scrollok(view
->win
, TRUE
);
2312 wscrl(view
->win
, lines
);
2313 scrollok(view
->win
, FALSE
);
2315 while (line
< end
&& draw_view_line(view
, line
))
2318 if (redraw_current_line
)
2319 draw_view_line(view
, view
->lineno
- view
->offset
);
2320 wnoutrefresh(view
->win
);
2323 view
->has_scrolled
= TRUE
;
2327 /* Scroll frontend */
2329 scroll_view(struct view
*view
, enum request request
)
2333 assert(view_is_displayed(view
));
2336 case REQ_SCROLL_PAGE_DOWN
:
2337 lines
= view
->height
;
2338 case REQ_SCROLL_LINE_DOWN
:
2339 if (view
->offset
+ lines
> view
->lines
)
2340 lines
= view
->lines
- view
->offset
;
2342 if (lines
== 0 || view
->offset
+ view
->height
>= view
->lines
) {
2343 report("Cannot scroll beyond the last line");
2348 case REQ_SCROLL_PAGE_UP
:
2349 lines
= view
->height
;
2350 case REQ_SCROLL_LINE_UP
:
2351 if (lines
> view
->offset
)
2352 lines
= view
->offset
;
2355 report("Cannot scroll beyond the first line");
2363 die("request %d not handled in switch", request
);
2366 do_scroll_view(view
, lines
);
2371 move_view(struct view
*view
, enum request request
)
2373 int scroll_steps
= 0;
2377 case REQ_MOVE_FIRST_LINE
:
2378 steps
= -view
->lineno
;
2381 case REQ_MOVE_LAST_LINE
:
2382 steps
= view
->lines
- view
->lineno
- 1;
2385 case REQ_MOVE_PAGE_UP
:
2386 steps
= view
->height
> view
->lineno
2387 ? -view
->lineno
: -view
->height
;
2390 case REQ_MOVE_PAGE_DOWN
:
2391 steps
= view
->lineno
+ view
->height
>= view
->lines
2392 ? view
->lines
- view
->lineno
- 1 : view
->height
;
2404 die("request %d not handled in switch", request
);
2407 if (steps
<= 0 && view
->lineno
== 0) {
2408 report("Cannot move beyond the first line");
2411 } else if (steps
>= 0 && view
->lineno
+ 1 >= view
->lines
) {
2412 report("Cannot move beyond the last line");
2416 /* Move the current line */
2417 view
->lineno
+= steps
;
2418 assert(0 <= view
->lineno
&& view
->lineno
< view
->lines
);
2420 /* Check whether the view needs to be scrolled */
2421 if (view
->lineno
< view
->offset
||
2422 view
->lineno
>= view
->offset
+ view
->height
) {
2423 scroll_steps
= steps
;
2424 if (steps
< 0 && -steps
> view
->offset
) {
2425 scroll_steps
= -view
->offset
;
2427 } else if (steps
> 0) {
2428 if (view
->lineno
== view
->lines
- 1 &&
2429 view
->lines
> view
->height
) {
2430 scroll_steps
= view
->lines
- view
->offset
- 1;
2431 if (scroll_steps
>= view
->height
)
2432 scroll_steps
-= view
->height
- 1;
2437 if (!view_is_displayed(view
)) {
2438 view
->offset
+= scroll_steps
;
2439 assert(0 <= view
->offset
&& view
->offset
< view
->lines
);
2440 view
->ops
->select(view
, &view
->line
[view
->lineno
]);
2444 /* Repaint the old "current" line if we be scrolling */
2445 if (ABS(steps
) < view
->height
)
2446 draw_view_line(view
, view
->lineno
- steps
- view
->offset
);
2449 do_scroll_view(view
, scroll_steps
);
2453 /* Draw the current line */
2454 draw_view_line(view
, view
->lineno
- view
->offset
);
2456 wnoutrefresh(view
->win
);
2465 static void search_view(struct view
*view
, enum request request
);
2468 select_view_line(struct view
*view
, unsigned long lineno
)
2470 if (lineno
- view
->offset
>= view
->height
) {
2471 view
->offset
= lineno
;
2472 view
->lineno
= lineno
;
2473 if (view_is_displayed(view
))
2477 unsigned long old_lineno
= view
->lineno
- view
->offset
;
2479 view
->lineno
= lineno
;
2480 if (view_is_displayed(view
)) {
2481 draw_view_line(view
, old_lineno
);
2482 draw_view_line(view
, view
->lineno
- view
->offset
);
2483 wnoutrefresh(view
->win
);
2485 view
->ops
->select(view
, &view
->line
[view
->lineno
]);
2491 find_next(struct view
*view
, enum request request
)
2493 unsigned long lineno
= view
->lineno
;
2498 report("No previous search");
2500 search_view(view
, request
);
2510 case REQ_SEARCH_BACK
:
2519 if (request
== REQ_FIND_NEXT
|| request
== REQ_FIND_PREV
)
2520 lineno
+= direction
;
2522 /* Note, lineno is unsigned long so will wrap around in which case it
2523 * will become bigger than view->lines. */
2524 for (; lineno
< view
->lines
; lineno
+= direction
) {
2525 if (view
->ops
->grep(view
, &view
->line
[lineno
])) {
2526 select_view_line(view
, lineno
);
2527 report("Line %ld matches '%s'", lineno
+ 1, view
->grep
);
2532 report("No match found for '%s'", view
->grep
);
2536 search_view(struct view
*view
, enum request request
)
2541 regfree(view
->regex
);
2544 view
->regex
= calloc(1, sizeof(*view
->regex
));
2549 regex_err
= regcomp(view
->regex
, opt_search
, REG_EXTENDED
);
2550 if (regex_err
!= 0) {
2551 char buf
[SIZEOF_STR
] = "unknown error";
2553 regerror(regex_err
, view
->regex
, buf
, sizeof(buf
));
2554 report("Search failed: %s", buf
);
2558 string_copy(view
->grep
, opt_search
);
2560 find_next(view
, request
);
2564 * Incremental updating
2568 reset_view(struct view
*view
)
2572 for (i
= 0; i
< view
->lines
; i
++)
2573 free(view
->line
[i
].data
);
2576 view
->p_offset
= view
->offset
;
2577 view
->p_lineno
= view
->lineno
;
2583 view
->line_alloc
= 0;
2585 view
->update_secs
= 0;
2589 free_argv(const char *argv
[])
2593 for (argc
= 0; argv
[argc
]; argc
++)
2594 free((void *) argv
[argc
]);
2598 format_argv(const char *dst_argv
[], const char *src_argv
[], enum format_flags flags
)
2600 char buf
[SIZEOF_STR
];
2602 bool noreplace
= flags
== FORMAT_NONE
;
2604 free_argv(dst_argv
);
2606 for (argc
= 0; src_argv
[argc
]; argc
++) {
2607 const char *arg
= src_argv
[argc
];
2611 char *next
= strstr(arg
, "%(");
2612 int len
= next
- arg
;
2615 if (!next
|| noreplace
) {
2616 if (flags
== FORMAT_DASH
&& !strcmp(arg
, "--"))
2621 } else if (!prefixcmp(next
, "%(directory)")) {
2624 } else if (!prefixcmp(next
, "%(file)")) {
2627 } else if (!prefixcmp(next
, "%(ref)")) {
2628 value
= *opt_ref
? opt_ref
: "HEAD";
2630 } else if (!prefixcmp(next
, "%(head)")) {
2633 } else if (!prefixcmp(next
, "%(commit)")) {
2636 } else if (!prefixcmp(next
, "%(blob)")) {
2640 report("Unknown replacement: `%s`", next
);
2644 if (!string_format_from(buf
, &bufpos
, "%.*s%s", len
, arg
, value
))
2647 arg
= next
&& !noreplace
? strchr(next
, ')') + 1 : NULL
;
2650 dst_argv
[argc
] = strdup(buf
);
2651 if (!dst_argv
[argc
])
2655 dst_argv
[argc
] = NULL
;
2657 return src_argv
[argc
] == NULL
;
2661 restore_view_position(struct view
*view
)
2663 if (!view
->p_restore
|| (view
->pipe
&& view
->lines
<= view
->p_lineno
))
2666 /* Changing the view position cancels the restoring. */
2667 /* FIXME: Changing back to the first line is not detected. */
2668 if (view
->offset
!= 0 || view
->lineno
!= 0) {
2669 view
->p_restore
= FALSE
;
2673 if (view
->p_lineno
>= view
->lines
) {
2674 view
->p_lineno
= view
->lines
> 0 ? view
->lines
- 1 : 0;
2675 if (view
->p_offset
>= view
->p_lineno
) {
2676 unsigned long half
= view
->height
/ 2;
2678 if (view
->p_lineno
> half
)
2679 view
->p_offset
= view
->p_lineno
- half
;
2685 if (view_is_displayed(view
) &&
2686 view
->offset
!= view
->p_offset
&&
2687 view
->lineno
!= view
->p_lineno
)
2690 view
->offset
= view
->p_offset
;
2691 view
->lineno
= view
->p_lineno
;
2692 view
->p_restore
= FALSE
;
2698 end_update(struct view
*view
, bool force
)
2702 while (!view
->ops
->read(view
, NULL
))
2705 set_nonblocking_input(FALSE
);
2707 kill_io(view
->pipe
);
2708 done_io(view
->pipe
);
2713 setup_update(struct view
*view
, const char *vid
)
2715 set_nonblocking_input(TRUE
);
2717 string_copy_rev(view
->vid
, vid
);
2718 view
->pipe
= &view
->io
;
2719 view
->start_time
= time(NULL
);
2723 prepare_update(struct view
*view
, const char *argv
[], const char *dir
,
2724 enum format_flags flags
)
2727 end_update(view
, TRUE
);
2728 return init_io_rd(&view
->io
, argv
, dir
, flags
);
2732 prepare_update_file(struct view
*view
, const char *name
)
2735 end_update(view
, TRUE
);
2736 return io_open(&view
->io
, name
);
2740 begin_update(struct view
*view
, bool refresh
)
2743 end_update(view
, TRUE
);
2746 if (!start_io(&view
->io
))
2750 if (view
== VIEW(REQ_VIEW_TREE
) && strcmp(view
->vid
, view
->id
))
2753 if (!run_io_rd(&view
->io
, view
->ops
->argv
, FORMAT_ALL
))
2756 /* Put the current ref_* value to the view title ref
2757 * member. This is needed by the blob view. Most other
2758 * views sets it automatically after loading because the
2759 * first line is a commit line. */
2760 string_copy_rev(view
->ref
, view
->id
);
2763 setup_update(view
, view
->id
);
2768 #define ITEM_CHUNK_SIZE 256
2770 realloc_items(void *mem
, size_t *size
, size_t new_size
, size_t item_size
)
2772 size_t num_chunks
= *size
/ ITEM_CHUNK_SIZE
;
2773 size_t num_chunks_new
= (new_size
+ ITEM_CHUNK_SIZE
- 1) / ITEM_CHUNK_SIZE
;
2775 if (mem
== NULL
|| num_chunks
!= num_chunks_new
) {
2776 *size
= num_chunks_new
* ITEM_CHUNK_SIZE
;
2777 mem
= realloc(mem
, *size
* item_size
);
2783 static struct line
*
2784 realloc_lines(struct view
*view
, size_t line_size
)
2786 size_t alloc
= view
->line_alloc
;
2787 struct line
*tmp
= realloc_items(view
->line
, &alloc
, line_size
,
2788 sizeof(*view
->line
));
2794 view
->line_alloc
= alloc
;
2799 update_view(struct view
*view
)
2801 char out_buffer
[BUFSIZ
* 2];
2803 /* Clear the view and redraw everything since the tree sorting
2804 * might have rearranged things. */
2805 bool redraw
= view
->lines
== 0;
2806 bool can_read
= TRUE
;
2811 if (!io_can_read(view
->pipe
)) {
2812 if (view
->lines
== 0) {
2813 time_t secs
= time(NULL
) - view
->start_time
;
2815 if (secs
> 1 && secs
> view
->update_secs
) {
2816 if (view
->update_secs
== 0)
2818 update_view_title(view
);
2819 view
->update_secs
= secs
;
2825 for (; (line
= io_get(view
->pipe
, '\n', can_read
)); can_read
= FALSE
) {
2826 if (opt_iconv
!= ICONV_NONE
) {
2827 ICONV_CONST
char *inbuf
= line
;
2828 size_t inlen
= strlen(line
) + 1;
2830 char *outbuf
= out_buffer
;
2831 size_t outlen
= sizeof(out_buffer
);
2835 ret
= iconv(opt_iconv
, &inbuf
, &inlen
, &outbuf
, &outlen
);
2836 if (ret
!= (size_t) -1)
2840 if (!view
->ops
->read(view
, line
)) {
2841 report("Allocation failure");
2842 end_update(view
, TRUE
);
2848 unsigned long lines
= view
->lines
;
2851 for (digits
= 0; lines
; digits
++)
2854 /* Keep the displayed view in sync with line number scaling. */
2855 if (digits
!= view
->digits
) {
2856 view
->digits
= digits
;
2857 if (opt_line_number
|| view
== VIEW(REQ_VIEW_BLAME
))
2862 if (io_error(view
->pipe
)) {
2863 report("Failed to read: %s", io_strerror(view
->pipe
));
2864 end_update(view
, TRUE
);
2866 } else if (io_eof(view
->pipe
)) {
2868 end_update(view
, FALSE
);
2871 if (restore_view_position(view
))
2874 if (!view_is_displayed(view
))
2878 redraw_view_from(view
, 0);
2880 redraw_view_dirty(view
);
2882 /* Update the title _after_ the redraw so that if the redraw picks up a
2883 * commit reference in view->ref it'll be available here. */
2884 update_view_title(view
);
2888 static struct line
*
2889 add_line_data(struct view
*view
, void *data
, enum line_type type
)
2893 if (!realloc_lines(view
, view
->lines
+ 1))
2896 line
= &view
->line
[view
->lines
++];
2897 memset(line
, 0, sizeof(*line
));
2905 static struct line
*
2906 add_line_text(struct view
*view
, const char *text
, enum line_type type
)
2908 char *data
= text
? strdup(text
) : NULL
;
2910 return data
? add_line_data(view
, data
, type
) : NULL
;
2913 static struct line
*
2914 add_line_format(struct view
*view
, enum line_type type
, const char *fmt
, ...)
2916 char buf
[SIZEOF_STR
];
2919 va_start(args
, fmt
);
2920 if (vsnprintf(buf
, sizeof(buf
), fmt
, args
) >= sizeof(buf
))
2924 return buf
[0] ? add_line_text(view
, buf
, type
) : NULL
;
2932 OPEN_DEFAULT
= 0, /* Use default view switching. */
2933 OPEN_SPLIT
= 1, /* Split current view. */
2934 OPEN_BACKGROUNDED
= 2, /* Backgrounded. */
2935 OPEN_RELOAD
= 4, /* Reload view even if it is the current. */
2936 OPEN_NOMAXIMIZE
= 8, /* Do not maximize the current view. */
2937 OPEN_REFRESH
= 16, /* Refresh view using previous command. */
2938 OPEN_PREPARED
= 32, /* Open already prepared command. */
2942 open_view(struct view
*prev
, enum request request
, enum open_flags flags
)
2944 bool backgrounded
= !!(flags
& OPEN_BACKGROUNDED
);
2945 bool split
= !!(flags
& OPEN_SPLIT
);
2946 bool reload
= !!(flags
& (OPEN_RELOAD
| OPEN_REFRESH
| OPEN_PREPARED
));
2947 bool nomaximize
= !!(flags
& (OPEN_NOMAXIMIZE
| OPEN_REFRESH
));
2948 struct view
*view
= VIEW(request
);
2949 int nviews
= displayed_views();
2950 struct view
*base_view
= display
[0];
2952 if (view
== prev
&& nviews
== 1 && !reload
) {
2953 report("Already in %s view", view
->name
);
2957 if (view
->git_dir
&& !opt_git_dir
[0]) {
2958 report("The %s view is disabled in pager view", view
->name
);
2966 } else if (!nomaximize
) {
2967 /* Maximize the current view. */
2968 memset(display
, 0, sizeof(display
));
2970 display
[current_view
] = view
;
2973 /* Resize the view when switching between split- and full-screen,
2974 * or when switching between two different full-screen views. */
2975 if (nviews
!= displayed_views() ||
2976 (nviews
== 1 && base_view
!= display
[0]))
2979 if (view
->ops
->open
) {
2981 end_update(view
, TRUE
);
2982 if (!view
->ops
->open(view
)) {
2983 report("Failed to load %s view", view
->name
);
2986 restore_view_position(view
);
2988 } else if ((reload
|| strcmp(view
->vid
, view
->id
)) &&
2989 !begin_update(view
, flags
& (OPEN_REFRESH
| OPEN_PREPARED
))) {
2990 report("Failed to load %s view", view
->name
);
2994 if (split
&& prev
->lineno
- prev
->offset
>= prev
->height
) {
2995 /* Take the title line into account. */
2996 int lines
= prev
->lineno
- prev
->offset
- prev
->height
+ 1;
2998 /* Scroll the view that was split if the current line is
2999 * outside the new limited view. */
3000 do_scroll_view(prev
, lines
);
3003 if (prev
&& view
!= prev
) {
3004 if (split
&& !backgrounded
) {
3005 /* "Blur" the previous view. */
3006 update_view_title(prev
);
3009 view
->parent
= prev
;
3012 if (view
->pipe
&& view
->lines
== 0) {
3013 /* Clear the old view and let the incremental updating refill
3016 view
->p_restore
= flags
& (OPEN_RELOAD
| OPEN_REFRESH
);
3018 } else if (view_is_displayed(view
)) {
3023 /* If the view is backgrounded the above calls to report()
3024 * won't redraw the view title. */
3026 update_view_title(view
);
3030 open_external_viewer(const char *argv
[], const char *dir
)
3032 def_prog_mode(); /* save current tty modes */
3033 endwin(); /* restore original tty modes */
3034 run_io_fg(argv
, dir
);
3035 fprintf(stderr
, "Press Enter to continue");
3038 redraw_display(TRUE
);
3042 open_mergetool(const char *file
)
3044 const char *mergetool_argv
[] = { "git", "mergetool", file
, NULL
};
3046 open_external_viewer(mergetool_argv
, opt_cdup
);
3050 open_editor(bool from_root
, const char *file
)
3052 const char *editor_argv
[] = { "vi", file
, NULL
};
3055 editor
= getenv("GIT_EDITOR");
3056 if (!editor
&& *opt_editor
)
3057 editor
= opt_editor
;
3059 editor
= getenv("VISUAL");
3061 editor
= getenv("EDITOR");
3065 editor_argv
[0] = editor
;
3066 open_external_viewer(editor_argv
, from_root
? opt_cdup
: NULL
);
3070 open_run_request(enum request request
)
3072 struct run_request
*req
= get_run_request(request
);
3073 const char *argv
[ARRAY_SIZE(req
->argv
)] = { NULL
};
3076 report("Unknown run request");
3080 if (format_argv(argv
, req
->argv
, FORMAT_ALL
))
3081 open_external_viewer(argv
, NULL
);
3086 * User request switch noodle
3090 view_driver(struct view
*view
, enum request request
)
3094 if (request
== REQ_NONE
) {
3099 if (request
> REQ_NONE
) {
3100 open_run_request(request
);
3101 /* FIXME: When all views can refresh always do this. */
3102 if (view
== VIEW(REQ_VIEW_STATUS
) ||
3103 view
== VIEW(REQ_VIEW_MAIN
) ||
3104 view
== VIEW(REQ_VIEW_LOG
) ||
3105 view
== VIEW(REQ_VIEW_STAGE
))
3106 request
= REQ_REFRESH
;
3111 if (view
&& view
->lines
) {
3112 request
= view
->ops
->request(view
, request
, &view
->line
[view
->lineno
]);
3113 if (request
== REQ_NONE
)
3120 case REQ_MOVE_PAGE_UP
:
3121 case REQ_MOVE_PAGE_DOWN
:
3122 case REQ_MOVE_FIRST_LINE
:
3123 case REQ_MOVE_LAST_LINE
:
3124 move_view(view
, request
);
3127 case REQ_SCROLL_LINE_DOWN
:
3128 case REQ_SCROLL_LINE_UP
:
3129 case REQ_SCROLL_PAGE_DOWN
:
3130 case REQ_SCROLL_PAGE_UP
:
3131 scroll_view(view
, request
);
3134 case REQ_VIEW_BLAME
:
3136 report("No file chosen, press %s to open tree view",
3137 get_key(REQ_VIEW_TREE
));
3140 open_view(view
, request
, OPEN_DEFAULT
);
3145 report("No file chosen, press %s to open tree view",
3146 get_key(REQ_VIEW_TREE
));
3149 open_view(view
, request
, OPEN_DEFAULT
);
3152 case REQ_VIEW_PAGER
:
3153 if (!VIEW(REQ_VIEW_PAGER
)->pipe
&& !VIEW(REQ_VIEW_PAGER
)->lines
) {
3154 report("No pager content, press %s to run command from prompt",
3155 get_key(REQ_PROMPT
));
3158 open_view(view
, request
, OPEN_DEFAULT
);
3161 case REQ_VIEW_STAGE
:
3162 if (!VIEW(REQ_VIEW_STAGE
)->lines
) {
3163 report("No stage content, press %s to open the status view and choose file",
3164 get_key(REQ_VIEW_STATUS
));
3167 open_view(view
, request
, OPEN_DEFAULT
);
3170 case REQ_VIEW_STATUS
:
3171 if (opt_is_inside_work_tree
== FALSE
) {
3172 report("The status view requires a working tree");
3175 open_view(view
, request
, OPEN_DEFAULT
);
3183 open_view(view
, request
, OPEN_DEFAULT
);
3188 request
= request
== REQ_NEXT
? REQ_MOVE_DOWN
: REQ_MOVE_UP
;
3190 if ((view
== VIEW(REQ_VIEW_DIFF
) &&
3191 view
->parent
== VIEW(REQ_VIEW_MAIN
)) ||
3192 (view
== VIEW(REQ_VIEW_DIFF
) &&
3193 view
->parent
== VIEW(REQ_VIEW_BLAME
)) ||
3194 (view
== VIEW(REQ_VIEW_STAGE
) &&
3195 view
->parent
== VIEW(REQ_VIEW_STATUS
)) ||
3196 (view
== VIEW(REQ_VIEW_BLOB
) &&
3197 view
->parent
== VIEW(REQ_VIEW_TREE
))) {
3200 view
= view
->parent
;
3201 line
= view
->lineno
;
3202 move_view(view
, request
);
3203 if (view_is_displayed(view
))
3204 update_view_title(view
);
3205 if (line
!= view
->lineno
)
3206 view
->ops
->request(view
, REQ_ENTER
,
3207 &view
->line
[view
->lineno
]);
3210 move_view(view
, request
);
3216 int nviews
= displayed_views();
3217 int next_view
= (current_view
+ 1) % nviews
;
3219 if (next_view
== current_view
) {
3220 report("Only one view is displayed");
3224 current_view
= next_view
;
3225 /* Blur out the title of the previous view. */
3226 update_view_title(view
);
3231 report("Refreshing is not yet supported for the %s view", view
->name
);
3235 if (displayed_views() == 2)
3236 open_view(view
, VIEW_REQ(view
), OPEN_DEFAULT
);
3239 case REQ_TOGGLE_LINENO
:
3240 toggle_view_option(&opt_line_number
, "line numbers");
3243 case REQ_TOGGLE_DATE
:
3244 toggle_view_option(&opt_date
, "date display");
3247 case REQ_TOGGLE_AUTHOR
:
3248 toggle_view_option(&opt_author
, "author display");
3251 case REQ_TOGGLE_REV_GRAPH
:
3252 toggle_view_option(&opt_rev_graph
, "revision graph display");
3255 case REQ_TOGGLE_REFS
:
3256 toggle_view_option(&opt_show_refs
, "reference display");
3260 case REQ_SEARCH_BACK
:
3261 search_view(view
, request
);
3266 find_next(view
, request
);
3269 case REQ_STOP_LOADING
:
3270 for (i
= 0; i
< ARRAY_SIZE(views
); i
++) {
3273 report("Stopped loading the %s view", view
->name
),
3274 end_update(view
, TRUE
);
3278 case REQ_SHOW_VERSION
:
3279 report("tig-%s (built %s)", TIG_VERSION
, __DATE__
);
3282 case REQ_SCREEN_REDRAW
:
3283 redraw_display(TRUE
);
3287 report("Nothing to edit");
3291 report("Nothing to enter");
3294 case REQ_VIEW_CLOSE
:
3295 /* XXX: Mark closed views by letting view->parent point to the
3296 * view itself. Parents to closed view should never be
3299 view
->parent
->parent
!= view
->parent
) {
3300 memset(display
, 0, sizeof(display
));
3302 display
[current_view
] = view
->parent
;
3303 view
->parent
= view
;
3305 redraw_display(FALSE
);
3314 report("Unknown key, press 'h' for help");
3323 * View backend utilities
3326 /* Parse author lines where the name may be empty:
3327 * author <email@address.tld> 1138474660 +0100
3330 parse_author_line(char *ident
, char *author
, size_t authorsize
, struct tm
*tm
)
3332 char *nameend
= strchr(ident
, '<');
3333 char *emailend
= strchr(ident
, '>');
3335 if (nameend
&& emailend
)
3336 *nameend
= *emailend
= 0;
3337 ident
= chomp_string(ident
);
3340 ident
= chomp_string(nameend
+ 1);
3345 string_ncopy_do(author
, authorsize
, ident
, strlen(ident
));
3347 /* Parse epoch and timezone */
3348 if (emailend
&& emailend
[1] == ' ') {
3349 char *secs
= emailend
+ 2;
3350 char *zone
= strchr(secs
, ' ');
3351 time_t time
= (time_t) atol(secs
);
3353 if (zone
&& strlen(zone
) == STRING_SIZE(" +0700")) {
3357 tz
= ('0' - zone
[1]) * 60 * 60 * 10;
3358 tz
+= ('0' - zone
[2]) * 60 * 60;
3359 tz
+= ('0' - zone
[3]) * 60;
3360 tz
+= ('0' - zone
[4]) * 60;
3368 gmtime_r(&time
, tm
);
3372 static enum input_status
3373 select_commit_parent_handler(void *data
, char *buf
, int c
)
3375 size_t parents
= *(size_t *) data
;
3382 parent
= atoi(buf
) * 10;
3385 if (parent
> parents
)
3391 select_commit_parent(const char *id
, char rev
[SIZEOF_REV
])
3393 char buf
[SIZEOF_STR
* 4];
3394 const char *revlist_argv
[] = {
3395 "git", "rev-list", "-1", "--parents", id
, NULL
3399 if (!run_io_buf(revlist_argv
, buf
, sizeof(buf
)) ||
3400 !*chomp_string(buf
) ||
3401 (parents
= (strlen(buf
) / 40) - 1) < 0) {
3402 report("Failed to get parent information");
3405 } else if (parents
== 0) {
3406 report("The selected commit has no parents");
3411 char prompt
[SIZEOF_STR
];
3414 if (!string_format(prompt
, "Which parent? [1..%d] ", parents
))
3416 result
= prompt_input(prompt
, select_commit_parent_handler
, &parents
);
3419 parents
= atoi(result
);
3422 string_copy_rev(rev
, &buf
[41 * parents
]);
3431 pager_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
3433 char *text
= line
->data
;
3435 if (opt_line_number
&& draw_lineno(view
, lineno
))
3438 draw_text(view
, line
->type
, text
, TRUE
);
3443 add_describe_ref(char *buf
, size_t *bufpos
, const char *commit_id
, const char *sep
)
3445 const char *describe_argv
[] = { "git", "describe", commit_id
, NULL
};
3446 char refbuf
[SIZEOF_STR
];
3449 if (run_io_buf(describe_argv
, refbuf
, sizeof(refbuf
)))
3450 ref
= chomp_string(refbuf
);
3455 /* This is the only fatal call, since it can "corrupt" the buffer. */
3456 if (!string_nformat(buf
, SIZEOF_STR
, bufpos
, "%s%s", sep
, ref
))
3463 add_pager_refs(struct view
*view
, struct line
*line
)
3465 char buf
[SIZEOF_STR
];
3466 char *commit_id
= (char *)line
->data
+ STRING_SIZE("commit ");
3468 size_t bufpos
= 0, refpos
= 0;
3469 const char *sep
= "Refs: ";
3470 bool is_tag
= FALSE
;
3472 assert(line
->type
== LINE_COMMIT
);
3474 refs
= get_refs(commit_id
);
3476 if (view
== VIEW(REQ_VIEW_DIFF
))
3477 goto try_add_describe_ref
;
3482 struct ref
*ref
= refs
[refpos
];
3483 const char *fmt
= ref
->tag
? "%s[%s]" :
3484 ref
->remote
? "%s<%s>" : "%s%s";
3486 if (!string_format_from(buf
, &bufpos
, fmt
, sep
, ref
->name
))
3491 } while (refs
[refpos
++]->next
);
3493 if (!is_tag
&& view
== VIEW(REQ_VIEW_DIFF
)) {
3494 try_add_describe_ref
:
3495 /* Add <tag>-g<commit_id> "fake" reference. */
3496 if (!add_describe_ref(buf
, &bufpos
, commit_id
, sep
))
3503 add_line_text(view
, buf
, LINE_PP_REFS
);
3507 pager_read(struct view
*view
, char *data
)
3514 line
= add_line_text(view
, data
, get_line_type(data
));
3518 if (line
->type
== LINE_COMMIT
&&
3519 (view
== VIEW(REQ_VIEW_DIFF
) ||
3520 view
== VIEW(REQ_VIEW_LOG
)))
3521 add_pager_refs(view
, line
);
3527 pager_request(struct view
*view
, enum request request
, struct line
*line
)
3531 if (request
!= REQ_ENTER
)
3534 if (line
->type
== LINE_COMMIT
&&
3535 (view
== VIEW(REQ_VIEW_LOG
) ||
3536 view
== VIEW(REQ_VIEW_PAGER
))) {
3537 open_view(view
, REQ_VIEW_DIFF
, OPEN_SPLIT
);
3541 /* Always scroll the view even if it was split. That way
3542 * you can use Enter to scroll through the log view and
3543 * split open each commit diff. */
3544 scroll_view(view
, REQ_SCROLL_LINE_DOWN
);
3546 /* FIXME: A minor workaround. Scrolling the view will call report("")
3547 * but if we are scrolling a non-current view this won't properly
3548 * update the view title. */
3550 update_view_title(view
);
3556 pager_grep(struct view
*view
, struct line
*line
)
3559 char *text
= line
->data
;
3564 if (regexec(view
->regex
, text
, 1, &pmatch
, 0) == REG_NOMATCH
)
3571 pager_select(struct view
*view
, struct line
*line
)
3573 if (line
->type
== LINE_COMMIT
) {
3574 char *text
= (char *)line
->data
+ STRING_SIZE("commit ");
3576 if (view
!= VIEW(REQ_VIEW_PAGER
))
3577 string_copy_rev(view
->ref
, text
);
3578 string_copy_rev(ref_commit
, text
);
3582 static struct view_ops pager_ops
= {
3593 static const char *log_argv
[SIZEOF_ARG
] = {
3594 "git", "log", "--no-color", "--cc", "--stat", "-n100", "%(head)", NULL
3598 log_request(struct view
*view
, enum request request
, struct line
*line
)
3603 open_view(view
, REQ_VIEW_LOG
, OPEN_REFRESH
);
3606 return pager_request(view
, request
, line
);
3610 static struct view_ops log_ops
= {
3621 static const char *diff_argv
[SIZEOF_ARG
] = {
3622 "git", "show", "--pretty=fuller", "--no-color", "--root",
3623 "--patch-with-stat", "--find-copies-harder", "-C", "%(commit)", NULL
3626 static struct view_ops diff_ops
= {
3642 help_open(struct view
*view
)
3644 char buf
[SIZEOF_STR
];
3648 if (view
->lines
> 0)
3651 add_line_text(view
, "Quick reference for tig keybindings:", LINE_DEFAULT
);
3653 for (i
= 0; i
< ARRAY_SIZE(req_info
); i
++) {
3656 if (req_info
[i
].request
== REQ_NONE
)
3659 if (!req_info
[i
].request
) {
3660 add_line_text(view
, "", LINE_DEFAULT
);
3661 add_line_text(view
, req_info
[i
].help
, LINE_DEFAULT
);
3665 key
= get_key(req_info
[i
].request
);
3667 key
= "(no key defined)";
3669 for (bufpos
= 0; bufpos
<= req_info
[i
].namelen
; bufpos
++) {
3670 buf
[bufpos
] = tolower(req_info
[i
].name
[bufpos
]);
3671 if (buf
[bufpos
] == '_')
3675 add_line_format(view
, LINE_DEFAULT
, " %-25s %-20s %s",
3676 key
, buf
, req_info
[i
].help
);
3680 add_line_text(view
, "", LINE_DEFAULT
);
3681 add_line_text(view
, "External commands:", LINE_DEFAULT
);
3684 for (i
= 0; i
< run_requests
; i
++) {
3685 struct run_request
*req
= get_run_request(REQ_NONE
+ i
+ 1);
3692 key
= get_key_name(req
->key
);
3694 key
= "(no key defined)";
3696 for (bufpos
= 0, argc
= 0; req
->argv
[argc
]; argc
++)
3697 if (!string_format_from(buf
, &bufpos
, "%s%s",
3698 argc
? " " : "", req
->argv
[argc
]))
3701 add_line_format(view
, LINE_DEFAULT
, " %-10s %-14s `%s`",
3702 keymap_table
[req
->keymap
].name
, key
, buf
);
3708 static struct view_ops help_ops
= {
3724 struct tree_stack_entry
{
3725 struct tree_stack_entry
*prev
; /* Entry below this in the stack */
3726 unsigned long lineno
; /* Line number to restore */
3727 char *name
; /* Position of name in opt_path */
3730 /* The top of the path stack. */
3731 static struct tree_stack_entry
*tree_stack
= NULL
;
3732 unsigned long tree_lineno
= 0;
3735 pop_tree_stack_entry(void)
3737 struct tree_stack_entry
*entry
= tree_stack
;
3739 tree_lineno
= entry
->lineno
;
3741 tree_stack
= entry
->prev
;
3746 push_tree_stack_entry(const char *name
, unsigned long lineno
)
3748 struct tree_stack_entry
*entry
= calloc(1, sizeof(*entry
));
3749 size_t pathlen
= strlen(opt_path
);
3754 entry
->prev
= tree_stack
;
3755 entry
->name
= opt_path
+ pathlen
;
3758 if (!string_format_from(opt_path
, &pathlen
, "%s/", name
)) {
3759 pop_tree_stack_entry();
3763 /* Move the current line to the first tree entry. */
3765 entry
->lineno
= lineno
;
3768 /* Parse output from git-ls-tree(1):
3770 * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile
3771 * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README
3772 * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c
3773 * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf
3776 #define SIZEOF_TREE_ATTR \
3777 STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t")
3779 #define SIZEOF_TREE_MODE \
3780 STRING_SIZE("100644 ")
3782 #define TREE_ID_OFFSET \
3783 STRING_SIZE("100644 blob ")
3786 char id
[SIZEOF_REV
];
3788 struct tm time
; /* Date from the author ident. */
3789 char author
[75]; /* Author of the commit. */
3794 tree_path(struct line
*line
)
3796 return ((struct tree_entry
*) line
->data
)->name
;
3801 tree_compare_entry(struct line
*line1
, struct line
*line2
)
3803 if (line1
->type
!= line2
->type
)
3804 return line1
->type
== LINE_TREE_DIR
? -1 : 1;
3805 return strcmp(tree_path(line1
), tree_path(line2
));
3808 static struct line
*
3809 tree_entry(struct view
*view
, enum line_type type
, const char *path
,
3810 const char *mode
, const char *id
)
3812 struct tree_entry
*entry
= calloc(1, sizeof(*entry
) + strlen(path
));
3813 struct line
*line
= entry
? add_line_data(view
, entry
, type
) : NULL
;
3815 if (!entry
|| !line
) {
3820 strncpy(entry
->name
, path
, strlen(path
));
3822 entry
->mode
= strtoul(mode
, NULL
, 8);
3824 string_copy_rev(entry
->id
, id
);
3830 tree_read_date(struct view
*view
, char *text
, bool *read_date
)
3832 static char author_name
[SIZEOF_STR
];
3833 static struct tm author_time
;
3835 if (!text
&& *read_date
) {
3840 char *path
= *opt_path
? opt_path
: ".";
3841 /* Find next entry to process */
3842 const char *log_file
[] = {
3843 "git", "log", "--no-color", "--pretty=raw",
3844 "--cc", "--raw", view
->id
, "--", path
, NULL
3848 if (!run_io_rd(&io
, log_file
, FORMAT_NONE
)) {
3849 report("Failed to load tree data");
3853 done_io(view
->pipe
);
3858 } else if (*text
== 'a' && get_line_type(text
) == LINE_AUTHOR
) {
3859 parse_author_line(text
+ STRING_SIZE("author "),
3860 author_name
, sizeof(author_name
), &author_time
);
3862 } else if (*text
== ':') {
3864 size_t annotated
= 1;
3867 pos
= strchr(text
, '\t');
3871 if (*opt_prefix
&& !strncmp(text
, opt_prefix
, strlen(opt_prefix
)))
3872 text
+= strlen(opt_prefix
);
3873 if (*opt_path
&& !strncmp(text
, opt_path
, strlen(opt_path
)))
3874 text
+= strlen(opt_path
);
3875 pos
= strchr(text
, '/');
3879 for (i
= 1; i
< view
->lines
; i
++) {
3880 struct line
*line
= &view
->line
[i
];
3881 struct tree_entry
*entry
= line
->data
;
3883 annotated
+= !!*entry
->author
;
3884 if (*entry
->author
|| strcmp(entry
->name
, text
))
3887 string_copy(entry
->author
, author_name
);
3888 memcpy(&entry
->time
, &author_time
, sizeof(entry
->time
));
3893 if (annotated
== view
->lines
)
3894 kill_io(view
->pipe
);
3900 tree_read(struct view
*view
, char *text
)
3902 static bool read_date
= FALSE
;
3903 struct tree_entry
*data
;
3904 struct line
*entry
, *line
;
3905 enum line_type type
;
3906 size_t textlen
= text
? strlen(text
) : 0;
3907 char *path
= text
+ SIZEOF_TREE_ATTR
;
3909 if (read_date
|| !text
)
3910 return tree_read_date(view
, text
, &read_date
);
3912 if (textlen
<= SIZEOF_TREE_ATTR
)
3914 if (view
->lines
== 0 &&
3915 !tree_entry(view
, LINE_TREE_PARENT
, opt_path
, NULL
, NULL
))
3918 /* Strip the path part ... */
3920 size_t pathlen
= textlen
- SIZEOF_TREE_ATTR
;
3921 size_t striplen
= strlen(opt_path
);
3923 if (pathlen
> striplen
)
3924 memmove(path
, path
+ striplen
,
3925 pathlen
- striplen
+ 1);
3927 /* Insert "link" to parent directory. */
3928 if (view
->lines
== 1 &&
3929 !tree_entry(view
, LINE_TREE_DIR
, "..", "040000", view
->ref
))
3933 type
= text
[SIZEOF_TREE_MODE
] == 't' ? LINE_TREE_DIR
: LINE_TREE_FILE
;
3934 entry
= tree_entry(view
, type
, path
, text
, text
+ TREE_ID_OFFSET
);
3939 /* Skip "Directory ..." and ".." line. */
3940 for (line
= &view
->line
[1 + !!*opt_path
]; line
< entry
; line
++) {
3941 if (tree_compare_entry(line
, entry
) <= 0)
3944 memmove(line
+ 1, line
, (entry
- line
) * sizeof(*entry
));
3948 for (; line
<= entry
; line
++)
3949 line
->dirty
= line
->cleareol
= 1;
3953 if (tree_lineno
> view
->lineno
) {
3954 view
->lineno
= tree_lineno
;
3962 tree_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
3964 struct tree_entry
*entry
= line
->data
;
3966 if (line
->type
== LINE_TREE_PARENT
) {
3967 if (draw_text(view
, line
->type
, "Directory path /", TRUE
))
3970 char mode
[11] = "-r--r--r--";
3972 if (S_ISDIR(entry
->mode
)) {
3973 mode
[3] = mode
[6] = mode
[9] = 'x';
3976 if (S_ISLNK(entry
->mode
))
3978 if (entry
->mode
& S_IWUSR
)
3980 if (entry
->mode
& S_IXUSR
)
3982 if (entry
->mode
& S_IXGRP
)
3984 if (entry
->mode
& S_IXOTH
)
3986 if (draw_field(view
, LINE_TREE_MODE
, mode
, 11, TRUE
))
3989 if (opt_author
&& draw_author(view
, entry
->author
))
3992 if (opt_date
&& draw_date(view
, *entry
->author
? &entry
->time
: NULL
))
3995 if (draw_text(view
, line
->type
, entry
->name
, TRUE
))
4003 char file
[SIZEOF_STR
] = "/tmp/tigblob.XXXXXX";
4004 int fd
= mkstemp(file
);
4007 report("Failed to create temporary file");
4008 else if (!run_io_append(blob_ops
.argv
, FORMAT_ALL
, fd
))
4009 report("Failed to save blob data to file");
4011 open_editor(FALSE
, file
);
4017 tree_request(struct view
*view
, enum request request
, struct line
*line
)
4019 enum open_flags flags
;
4022 case REQ_VIEW_BLAME
:
4023 if (line
->type
!= LINE_TREE_FILE
) {
4024 report("Blame only supported for files");
4028 string_copy(opt_ref
, view
->vid
);
4032 if (line
->type
!= LINE_TREE_FILE
) {
4033 report("Edit only supported for files");
4034 } else if (!is_head_commit(view
->vid
)) {
4037 open_editor(TRUE
, opt_file
);
4043 /* quit view if at top of tree */
4044 return REQ_VIEW_CLOSE
;
4047 line
= &view
->line
[1];
4057 /* Cleanup the stack if the tree view is at a different tree. */
4058 while (!*opt_path
&& tree_stack
)
4059 pop_tree_stack_entry();
4061 switch (line
->type
) {
4063 /* Depending on whether it is a subdir or parent (updir?) link
4064 * mangle the path buffer. */
4065 if (line
== &view
->line
[1] && *opt_path
) {
4066 pop_tree_stack_entry();
4069 const char *basename
= tree_path(line
);
4071 push_tree_stack_entry(basename
, view
->lineno
);
4074 /* Trees and subtrees share the same ID, so they are not not
4075 * unique like blobs. */
4076 flags
= OPEN_RELOAD
;
4077 request
= REQ_VIEW_TREE
;
4080 case LINE_TREE_FILE
:
4081 flags
= display
[0] == view
? OPEN_SPLIT
: OPEN_DEFAULT
;
4082 request
= REQ_VIEW_BLOB
;
4089 open_view(view
, request
, flags
);
4090 if (request
== REQ_VIEW_TREE
)
4091 view
->lineno
= tree_lineno
;
4097 tree_select(struct view
*view
, struct line
*line
)
4099 struct tree_entry
*entry
= line
->data
;
4101 if (line
->type
== LINE_TREE_FILE
) {
4102 string_copy_rev(ref_blob
, entry
->id
);
4103 string_format(opt_file
, "%s%s", opt_path
, tree_path(line
));
4105 } else if (line
->type
!= LINE_TREE_DIR
) {
4109 string_copy_rev(view
->ref
, entry
->id
);
4112 static const char *tree_argv
[SIZEOF_ARG
] = {
4113 "git", "ls-tree", "%(commit)", "%(directory)", NULL
4116 static struct view_ops tree_ops
= {
4128 blob_read(struct view
*view
, char *line
)
4132 return add_line_text(view
, line
, LINE_DEFAULT
) != NULL
;
4136 blob_request(struct view
*view
, enum request request
, struct line
*line
)
4143 return pager_request(view
, request
, line
);
4147 static const char *blob_argv
[SIZEOF_ARG
] = {
4148 "git", "cat-file", "blob", "%(blob)", NULL
4151 static struct view_ops blob_ops
= {
4165 * Loading the blame view is a two phase job:
4167 * 1. File content is read either using opt_file from the
4168 * filesystem or using git-cat-file.
4169 * 2. Then blame information is incrementally added by
4170 * reading output from git-blame.
4173 static const char *blame_head_argv
[] = {
4174 "git", "blame", "--incremental", "--", "%(file)", NULL
4177 static const char *blame_ref_argv
[] = {
4178 "git", "blame", "--incremental", "%(ref)", "--", "%(file)", NULL
4181 static const char *blame_cat_file_argv
[] = {
4182 "git", "cat-file", "blob", "%(ref):%(file)", NULL
4185 struct blame_commit
{
4186 char id
[SIZEOF_REV
]; /* SHA1 ID. */
4187 char title
[128]; /* First line of the commit message. */
4188 char author
[75]; /* Author of the commit. */
4189 struct tm time
; /* Date from the author ident. */
4190 char filename
[128]; /* Name of file. */
4191 bool has_previous
; /* Was a "previous" line detected. */
4195 struct blame_commit
*commit
;
4200 blame_open(struct view
*view
)
4202 if (*opt_ref
|| !io_open(&view
->io
, opt_file
)) {
4203 if (!run_io_rd(&view
->io
, blame_cat_file_argv
, FORMAT_ALL
))
4207 setup_update(view
, opt_file
);
4208 string_format(view
->ref
, "%s ...", opt_file
);
4213 static struct blame_commit
*
4214 get_blame_commit(struct view
*view
, const char *id
)
4218 for (i
= 0; i
< view
->lines
; i
++) {
4219 struct blame
*blame
= view
->line
[i
].data
;
4224 if (!strncmp(blame
->commit
->id
, id
, SIZEOF_REV
- 1))
4225 return blame
->commit
;
4229 struct blame_commit
*commit
= calloc(1, sizeof(*commit
));
4232 string_ncopy(commit
->id
, id
, SIZEOF_REV
);
4238 parse_number(const char **posref
, size_t *number
, size_t min
, size_t max
)
4240 const char *pos
= *posref
;
4243 pos
= strchr(pos
+ 1, ' ');
4244 if (!pos
|| !isdigit(pos
[1]))
4246 *number
= atoi(pos
+ 1);
4247 if (*number
< min
|| *number
> max
)
4254 static struct blame_commit
*
4255 parse_blame_commit(struct view
*view
, const char *text
, int *blamed
)
4257 struct blame_commit
*commit
;
4258 struct blame
*blame
;
4259 const char *pos
= text
+ SIZEOF_REV
- 1;
4263 if (strlen(text
) <= SIZEOF_REV
|| *pos
!= ' ')
4266 if (!parse_number(&pos
, &lineno
, 1, view
->lines
) ||
4267 !parse_number(&pos
, &group
, 1, view
->lines
- lineno
+ 1))
4270 commit
= get_blame_commit(view
, text
);
4276 struct line
*line
= &view
->line
[lineno
+ group
- 1];
4279 blame
->commit
= commit
;
4287 blame_read_file(struct view
*view
, const char *line
, bool *read_file
)
4290 const char **argv
= *opt_ref
? blame_ref_argv
: blame_head_argv
;
4293 if (view
->lines
== 0 && !view
->parent
)
4294 die("No blame exist for %s", view
->vid
);
4296 if (view
->lines
== 0 || !run_io_rd(&io
, argv
, FORMAT_ALL
)) {
4297 report("Failed to load blame data");
4301 done_io(view
->pipe
);
4307 size_t linelen
= strlen(line
);
4308 struct blame
*blame
= malloc(sizeof(*blame
) + linelen
);
4310 blame
->commit
= NULL
;
4311 strncpy(blame
->text
, line
, linelen
);
4312 blame
->text
[linelen
] = 0;
4313 return add_line_data(view
, blame
, LINE_BLAME_ID
) != NULL
;
4318 match_blame_header(const char *name
, char **line
)
4320 size_t namelen
= strlen(name
);
4321 bool matched
= !strncmp(name
, *line
, namelen
);
4330 blame_read(struct view
*view
, char *line
)
4332 static struct blame_commit
*commit
= NULL
;
4333 static int blamed
= 0;
4334 static time_t author_time
;
4335 static bool read_file
= TRUE
;
4338 return blame_read_file(view
, line
, &read_file
);
4345 string_format(view
->ref
, "%s", view
->vid
);
4346 if (view_is_displayed(view
)) {
4347 update_view_title(view
);
4348 redraw_view_from(view
, 0);
4354 commit
= parse_blame_commit(view
, line
, &blamed
);
4355 string_format(view
->ref
, "%s %2d%%", view
->vid
,
4356 view
->lines
? blamed
* 100 / view
->lines
: 0);
4358 } else if (match_blame_header("author ", &line
)) {
4359 string_ncopy(commit
->author
, line
, strlen(line
));
4361 } else if (match_blame_header("author-time ", &line
)) {
4362 author_time
= (time_t) atol(line
);
4364 } else if (match_blame_header("author-tz ", &line
)) {
4367 tz
= ('0' - line
[1]) * 60 * 60 * 10;
4368 tz
+= ('0' - line
[2]) * 60 * 60;
4369 tz
+= ('0' - line
[3]) * 60;
4370 tz
+= ('0' - line
[4]) * 60;
4376 gmtime_r(&author_time
, &commit
->time
);
4378 } else if (match_blame_header("summary ", &line
)) {
4379 string_ncopy(commit
->title
, line
, strlen(line
));
4381 } else if (match_blame_header("previous ", &line
)) {
4382 commit
->has_previous
= TRUE
;
4384 } else if (match_blame_header("filename ", &line
)) {
4385 string_ncopy(commit
->filename
, line
, strlen(line
));
4393 blame_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
4395 struct blame
*blame
= line
->data
;
4396 struct tm
*time
= NULL
;
4397 const char *id
= NULL
, *author
= NULL
;
4399 if (blame
->commit
&& *blame
->commit
->filename
) {
4400 id
= blame
->commit
->id
;
4401 author
= blame
->commit
->author
;
4402 time
= &blame
->commit
->time
;
4405 if (opt_date
&& draw_date(view
, time
))
4408 if (opt_author
&& draw_author(view
, author
))
4411 if (draw_field(view
, LINE_BLAME_ID
, id
, ID_COLS
, FALSE
))
4414 if (draw_lineno(view
, lineno
))
4417 draw_text(view
, LINE_DEFAULT
, blame
->text
, TRUE
);
4422 check_blame_commit(struct blame
*blame
)
4425 report("Commit data not loaded yet");
4426 else if (!strcmp(blame
->commit
->id
, NULL_ID
))
4427 report("No commit exist for the selected line");
4434 blame_request(struct view
*view
, enum request request
, struct line
*line
)
4436 enum open_flags flags
= display
[0] == view
? OPEN_SPLIT
: OPEN_DEFAULT
;
4437 struct blame
*blame
= line
->data
;
4440 case REQ_VIEW_BLAME
:
4441 if (check_blame_commit(blame
)) {
4442 string_copy(opt_ref
, blame
->commit
->id
);
4443 open_view(view
, REQ_VIEW_BLAME
, OPEN_REFRESH
);
4448 if (check_blame_commit(blame
) &&
4449 select_commit_parent(blame
->commit
->id
, opt_ref
))
4450 open_view(view
, REQ_VIEW_BLAME
, OPEN_REFRESH
);
4454 if (!blame
->commit
) {
4455 report("No commit loaded yet");
4459 if (view_is_displayed(VIEW(REQ_VIEW_DIFF
)) &&
4460 !strcmp(blame
->commit
->id
, VIEW(REQ_VIEW_DIFF
)->ref
))
4463 if (!strcmp(blame
->commit
->id
, NULL_ID
)) {
4464 struct view
*diff
= VIEW(REQ_VIEW_DIFF
);
4465 const char *diff_index_argv
[] = {
4466 "git", "diff-index", "--root", "--patch-with-stat",
4467 "-C", "-M", "HEAD", "--", view
->vid
, NULL
4470 if (!blame
->commit
->has_previous
) {
4471 diff_index_argv
[1] = "diff";
4472 diff_index_argv
[2] = "--no-color";
4473 diff_index_argv
[6] = "--";
4474 diff_index_argv
[7] = "/dev/null";
4477 if (!prepare_update(diff
, diff_index_argv
, NULL
, FORMAT_DASH
)) {
4478 report("Failed to allocate diff command");
4481 flags
|= OPEN_PREPARED
;
4484 open_view(view
, REQ_VIEW_DIFF
, flags
);
4485 if (VIEW(REQ_VIEW_DIFF
)->pipe
&& !strcmp(blame
->commit
->id
, NULL_ID
))
4486 string_copy_rev(VIEW(REQ_VIEW_DIFF
)->ref
, NULL_ID
);
4497 blame_grep(struct view
*view
, struct line
*line
)
4499 struct blame
*blame
= line
->data
;
4500 struct blame_commit
*commit
= blame
->commit
;
4503 #define MATCH(text, on) \
4504 (on && *text && regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH)
4507 char buf
[DATE_COLS
+ 1];
4509 if (MATCH(commit
->title
, 1) ||
4510 MATCH(commit
->author
, opt_author
) ||
4511 MATCH(commit
->id
, opt_date
))
4514 if (strftime(buf
, sizeof(buf
), DATE_FORMAT
, &commit
->time
) &&
4519 return MATCH(blame
->text
, 1);
4525 blame_select(struct view
*view
, struct line
*line
)
4527 struct blame
*blame
= line
->data
;
4528 struct blame_commit
*commit
= blame
->commit
;
4533 if (!strcmp(commit
->id
, NULL_ID
))
4534 string_ncopy(ref_commit
, "HEAD", 4);
4536 string_copy_rev(ref_commit
, commit
->id
);
4539 static struct view_ops blame_ops
= {
4558 char rev
[SIZEOF_REV
];
4559 char name
[SIZEOF_STR
];
4563 char rev
[SIZEOF_REV
];
4564 char name
[SIZEOF_STR
];
4568 static char status_onbranch
[SIZEOF_STR
];
4569 static struct status stage_status
;
4570 static enum line_type stage_line_type
;
4571 static size_t stage_chunks
;
4572 static int *stage_chunk
;
4574 /* This should work even for the "On branch" line. */
4576 status_has_none(struct view
*view
, struct line
*line
)
4578 return line
< view
->line
+ view
->lines
&& !line
[1].data
;
4581 /* Get fields from the diff line:
4582 * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
4585 status_get_diff(struct status
*file
, const char *buf
, size_t bufsize
)
4587 const char *old_mode
= buf
+ 1;
4588 const char *new_mode
= buf
+ 8;
4589 const char *old_rev
= buf
+ 15;
4590 const char *new_rev
= buf
+ 56;
4591 const char *status
= buf
+ 97;
4594 old_mode
[-1] != ':' ||
4595 new_mode
[-1] != ' ' ||
4596 old_rev
[-1] != ' ' ||
4597 new_rev
[-1] != ' ' ||
4601 file
->status
= *status
;
4603 string_copy_rev(file
->old
.rev
, old_rev
);
4604 string_copy_rev(file
->new.rev
, new_rev
);
4606 file
->old
.mode
= strtoul(old_mode
, NULL
, 8);
4607 file
->new.mode
= strtoul(new_mode
, NULL
, 8);
4609 file
->old
.name
[0] = file
->new.name
[0] = 0;
4615 status_run(struct view
*view
, const char *argv
[], char status
, enum line_type type
)
4617 struct status
*file
= NULL
;
4618 struct status
*unmerged
= NULL
;
4622 if (!run_io(&io
, argv
, NULL
, IO_RD
))
4625 add_line_data(view
, NULL
, type
);
4627 while ((buf
= io_get(&io
, 0, TRUE
))) {
4629 file
= calloc(1, sizeof(*file
));
4630 if (!file
|| !add_line_data(view
, file
, type
))
4634 /* Parse diff info part. */
4636 file
->status
= status
;
4638 string_copy(file
->old
.rev
, NULL_ID
);
4640 } else if (!file
->status
) {
4641 if (!status_get_diff(file
, buf
, strlen(buf
)))
4644 buf
= io_get(&io
, 0, TRUE
);
4648 /* Collapse all 'M'odified entries that follow a
4649 * associated 'U'nmerged entry. */
4650 if (file
->status
== 'U') {
4653 } else if (unmerged
) {
4654 int collapse
= !strcmp(buf
, unmerged
->new.name
);
4666 /* Grab the old name for rename/copy. */
4667 if (!*file
->old
.name
&&
4668 (file
->status
== 'R' || file
->status
== 'C')) {
4669 string_ncopy(file
->old
.name
, buf
, strlen(buf
));
4671 buf
= io_get(&io
, 0, TRUE
);
4676 /* git-ls-files just delivers a NUL separated list of
4677 * file names similar to the second half of the
4678 * git-diff-* output. */
4679 string_ncopy(file
->new.name
, buf
, strlen(buf
));
4680 if (!*file
->old
.name
)
4681 string_copy(file
->old
.name
, file
->new.name
);
4685 if (io_error(&io
)) {
4691 if (!view
->line
[view
->lines
- 1].data
)
4692 add_line_data(view
, NULL
, LINE_STAT_NONE
);
4698 /* Don't show unmerged entries in the staged section. */
4699 static const char *status_diff_index_argv
[] = {
4700 "git", "diff-index", "-z", "--diff-filter=ACDMRTXB",
4701 "--cached", "-M", "HEAD", NULL
4704 static const char *status_diff_files_argv
[] = {
4705 "git", "diff-files", "-z", NULL
4708 static const char *status_list_other_argv
[] = {
4709 "git", "ls-files", "-z", "--others", "--exclude-standard", NULL
4712 static const char *status_list_no_head_argv
[] = {
4713 "git", "ls-files", "-z", "--cached", "--exclude-standard", NULL
4716 static const char *update_index_argv
[] = {
4717 "git", "update-index", "-q", "--unmerged", "--refresh", NULL
4720 /* Restore the previous line number to stay in the context or select a
4721 * line with something that can be updated. */
4723 status_restore(struct view
*view
)
4725 if (view
->p_lineno
>= view
->lines
)
4726 view
->p_lineno
= view
->lines
- 1;
4727 while (view
->p_lineno
< view
->lines
&& !view
->line
[view
->p_lineno
].data
)
4729 while (view
->p_lineno
> 0 && !view
->line
[view
->p_lineno
].data
)
4732 /* If the above fails, always skip the "On branch" line. */
4733 if (view
->p_lineno
< view
->lines
)
4734 view
->lineno
= view
->p_lineno
;
4738 if (view
->lineno
< view
->offset
)
4739 view
->offset
= view
->lineno
;
4740 else if (view
->offset
+ view
->height
<= view
->lineno
)
4741 view
->offset
= view
->lineno
- view
->height
+ 1;
4743 view
->p_restore
= FALSE
;
4746 /* First parse staged info using git-diff-index(1), then parse unstaged
4747 * info using git-diff-files(1), and finally untracked files using
4748 * git-ls-files(1). */
4750 status_open(struct view
*view
)
4754 add_line_data(view
, NULL
, LINE_STAT_HEAD
);
4755 if (is_initial_commit())
4756 string_copy(status_onbranch
, "Initial commit");
4757 else if (!*opt_head
)
4758 string_copy(status_onbranch
, "Not currently on any branch");
4759 else if (!string_format(status_onbranch
, "On branch %s", opt_head
))
4762 run_io_bg(update_index_argv
);
4764 if (is_initial_commit()) {
4765 if (!status_run(view
, status_list_no_head_argv
, 'A', LINE_STAT_STAGED
))
4767 } else if (!status_run(view
, status_diff_index_argv
, 0, LINE_STAT_STAGED
)) {
4771 if (!status_run(view
, status_diff_files_argv
, 0, LINE_STAT_UNSTAGED
) ||
4772 !status_run(view
, status_list_other_argv
, '?', LINE_STAT_UNTRACKED
))
4775 /* Restore the exact position or use the specialized restore
4777 if (!view
->p_restore
)
4778 status_restore(view
);
4783 status_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
4785 struct status
*status
= line
->data
;
4786 enum line_type type
;
4790 switch (line
->type
) {
4791 case LINE_STAT_STAGED
:
4792 type
= LINE_STAT_SECTION
;
4793 text
= "Changes to be committed:";
4796 case LINE_STAT_UNSTAGED
:
4797 type
= LINE_STAT_SECTION
;
4798 text
= "Changed but not updated:";
4801 case LINE_STAT_UNTRACKED
:
4802 type
= LINE_STAT_SECTION
;
4803 text
= "Untracked files:";
4806 case LINE_STAT_NONE
:
4807 type
= LINE_DEFAULT
;
4808 text
= " (no files)";
4811 case LINE_STAT_HEAD
:
4812 type
= LINE_STAT_HEAD
;
4813 text
= status_onbranch
;
4820 static char buf
[] = { '?', ' ', ' ', ' ', 0 };
4822 buf
[0] = status
->status
;
4823 if (draw_text(view
, line
->type
, buf
, TRUE
))
4825 type
= LINE_DEFAULT
;
4826 text
= status
->new.name
;
4829 draw_text(view
, type
, text
, TRUE
);
4834 status_enter(struct view
*view
, struct line
*line
)
4836 struct status
*status
= line
->data
;
4837 const char *oldpath
= status
? status
->old
.name
: NULL
;
4838 /* Diffs for unmerged entries are empty when passing the new
4839 * path, so leave it empty. */
4840 const char *newpath
= status
&& status
->status
!= 'U' ? status
->new.name
: NULL
;
4842 enum open_flags split
;
4843 struct view
*stage
= VIEW(REQ_VIEW_STAGE
);
4845 if (line
->type
== LINE_STAT_NONE
||
4846 (!status
&& line
[1].type
== LINE_STAT_NONE
)) {
4847 report("No file to diff");
4851 switch (line
->type
) {
4852 case LINE_STAT_STAGED
:
4853 if (is_initial_commit()) {
4854 const char *no_head_diff_argv
[] = {
4855 "git", "diff", "--no-color", "--patch-with-stat",
4856 "--", "/dev/null", newpath
, NULL
4859 if (!prepare_update(stage
, no_head_diff_argv
, opt_cdup
, FORMAT_DASH
))
4862 const char *index_show_argv
[] = {
4863 "git", "diff-index", "--root", "--patch-with-stat",
4864 "-C", "-M", "--cached", "HEAD", "--",
4865 oldpath
, newpath
, NULL
4868 if (!prepare_update(stage
, index_show_argv
, opt_cdup
, FORMAT_DASH
))
4873 info
= "Staged changes to %s";
4875 info
= "Staged changes";
4878 case LINE_STAT_UNSTAGED
:
4880 const char *files_show_argv
[] = {
4881 "git", "diff-files", "--root", "--patch-with-stat",
4882 "-C", "-M", "--", oldpath
, newpath
, NULL
4885 if (!prepare_update(stage
, files_show_argv
, opt_cdup
, FORMAT_DASH
))
4888 info
= "Unstaged changes to %s";
4890 info
= "Unstaged changes";
4893 case LINE_STAT_UNTRACKED
:
4895 report("No file to show");
4899 if (!suffixcmp(status
->new.name
, -1, "/")) {
4900 report("Cannot display a directory");
4904 if (!prepare_update_file(stage
, newpath
))
4906 info
= "Untracked file %s";
4909 case LINE_STAT_HEAD
:
4913 die("line type %d not handled in switch", line
->type
);
4916 split
= view_is_displayed(view
) ? OPEN_SPLIT
: 0;
4917 open_view(view
, REQ_VIEW_STAGE
, OPEN_PREPARED
| split
);
4918 if (view_is_displayed(VIEW(REQ_VIEW_STAGE
))) {
4920 stage_status
= *status
;
4922 memset(&stage_status
, 0, sizeof(stage_status
));
4925 stage_line_type
= line
->type
;
4927 string_format(VIEW(REQ_VIEW_STAGE
)->ref
, info
, stage_status
.new.name
);
4934 status_exists(struct status
*status
, enum line_type type
)
4936 struct view
*view
= VIEW(REQ_VIEW_STATUS
);
4937 unsigned long lineno
;
4939 for (lineno
= 0; lineno
< view
->lines
; lineno
++) {
4940 struct line
*line
= &view
->line
[lineno
];
4941 struct status
*pos
= line
->data
;
4943 if (line
->type
!= type
)
4945 if (!pos
&& (!status
|| !status
->status
) && line
[1].data
) {
4946 select_view_line(view
, lineno
);
4949 if (pos
&& !strcmp(status
->new.name
, pos
->new.name
)) {
4950 select_view_line(view
, lineno
);
4960 status_update_prepare(struct io
*io
, enum line_type type
)
4962 const char *staged_argv
[] = {
4963 "git", "update-index", "-z", "--index-info", NULL
4965 const char *others_argv
[] = {
4966 "git", "update-index", "-z", "--add", "--remove", "--stdin", NULL
4970 case LINE_STAT_STAGED
:
4971 return run_io(io
, staged_argv
, opt_cdup
, IO_WR
);
4973 case LINE_STAT_UNSTAGED
:
4974 return run_io(io
, others_argv
, opt_cdup
, IO_WR
);
4976 case LINE_STAT_UNTRACKED
:
4977 return run_io(io
, others_argv
, NULL
, IO_WR
);
4980 die("line type %d not handled in switch", type
);
4986 status_update_write(struct io
*io
, struct status
*status
, enum line_type type
)
4988 char buf
[SIZEOF_STR
];
4992 case LINE_STAT_STAGED
:
4993 if (!string_format_from(buf
, &bufsize
, "%06o %s\t%s%c",
4996 status
->old
.name
, 0))
5000 case LINE_STAT_UNSTAGED
:
5001 case LINE_STAT_UNTRACKED
:
5002 if (!string_format_from(buf
, &bufsize
, "%s%c", status
->new.name
, 0))
5007 die("line type %d not handled in switch", type
);
5010 return io_write(io
, buf
, bufsize
);
5014 status_update_file(struct status
*status
, enum line_type type
)
5019 if (!status_update_prepare(&io
, type
))
5022 result
= status_update_write(&io
, status
, type
);
5028 status_update_files(struct view
*view
, struct line
*line
)
5032 struct line
*pos
= view
->line
+ view
->lines
;
5036 if (!status_update_prepare(&io
, line
->type
))
5039 for (pos
= line
; pos
< view
->line
+ view
->lines
&& pos
->data
; pos
++)
5042 for (file
= 0, done
= 0; result
&& file
< files
; line
++, file
++) {
5043 int almost_done
= file
* 100 / files
;
5045 if (almost_done
> done
) {
5047 string_format(view
->ref
, "updating file %u of %u (%d%% done)",
5049 update_view_title(view
);
5051 result
= status_update_write(&io
, line
->data
, line
->type
);
5059 status_update(struct view
*view
)
5061 struct line
*line
= &view
->line
[view
->lineno
];
5063 assert(view
->lines
);
5066 /* This should work even for the "On branch" line. */
5067 if (line
< view
->line
+ view
->lines
&& !line
[1].data
) {
5068 report("Nothing to update");
5072 if (!status_update_files(view
, line
+ 1)) {
5073 report("Failed to update file status");
5077 } else if (!status_update_file(line
->data
, line
->type
)) {
5078 report("Failed to update file status");
5086 status_revert(struct status
*status
, enum line_type type
, bool has_none
)
5088 if (!status
|| type
!= LINE_STAT_UNSTAGED
) {
5089 if (type
== LINE_STAT_STAGED
) {
5090 report("Cannot revert changes to staged files");
5091 } else if (type
== LINE_STAT_UNTRACKED
) {
5092 report("Cannot revert changes to untracked files");
5093 } else if (has_none
) {
5094 report("Nothing to revert");
5096 report("Cannot revert changes to multiple files");
5101 const char *checkout_argv
[] = {
5102 "git", "checkout", "--", status
->old
.name
, NULL
5105 if (!prompt_yesno("Are you sure you want to overwrite any changes?"))
5107 return run_io_fg(checkout_argv
, opt_cdup
);
5112 status_request(struct view
*view
, enum request request
, struct line
*line
)
5114 struct status
*status
= line
->data
;
5117 case REQ_STATUS_UPDATE
:
5118 if (!status_update(view
))
5122 case REQ_STATUS_REVERT
:
5123 if (!status_revert(status
, line
->type
, status_has_none(view
, line
)))
5127 case REQ_STATUS_MERGE
:
5128 if (!status
|| status
->status
!= 'U') {
5129 report("Merging only possible for files with unmerged status ('U').");
5132 open_mergetool(status
->new.name
);
5138 if (status
->status
== 'D') {
5139 report("File has been deleted.");
5143 open_editor(status
->status
!= '?', status
->new.name
);
5146 case REQ_VIEW_BLAME
:
5148 string_copy(opt_file
, status
->new.name
);
5154 /* After returning the status view has been split to
5155 * show the stage view. No further reloading is
5157 status_enter(view
, line
);
5161 /* Simply reload the view. */
5168 open_view(view
, REQ_VIEW_STATUS
, OPEN_RELOAD
);
5174 status_select(struct view
*view
, struct line
*line
)
5176 struct status
*status
= line
->data
;
5177 char file
[SIZEOF_STR
] = "all files";
5181 if (status
&& !string_format(file
, "'%s'", status
->new.name
))
5184 if (!status
&& line
[1].type
== LINE_STAT_NONE
)
5187 switch (line
->type
) {
5188 case LINE_STAT_STAGED
:
5189 text
= "Press %s to unstage %s for commit";
5192 case LINE_STAT_UNSTAGED
:
5193 text
= "Press %s to stage %s for commit";
5196 case LINE_STAT_UNTRACKED
:
5197 text
= "Press %s to stage %s for addition";
5200 case LINE_STAT_HEAD
:
5201 case LINE_STAT_NONE
:
5202 text
= "Nothing to update";
5206 die("line type %d not handled in switch", line
->type
);
5209 if (status
&& status
->status
== 'U') {
5210 text
= "Press %s to resolve conflict in %s";
5211 key
= get_key(REQ_STATUS_MERGE
);
5214 key
= get_key(REQ_STATUS_UPDATE
);
5217 string_format(view
->ref
, text
, key
, file
);
5221 status_grep(struct view
*view
, struct line
*line
)
5223 struct status
*status
= line
->data
;
5224 enum { S_STATUS
, S_NAME
, S_END
} state
;
5231 for (state
= S_STATUS
; state
< S_END
; state
++) {
5235 case S_NAME
: text
= status
->new.name
; break;
5237 buf
[0] = status
->status
;
5245 if (regexec(view
->regex
, text
, 1, &pmatch
, 0) != REG_NOMATCH
)
5252 static struct view_ops status_ops
= {
5265 stage_diff_write(struct io
*io
, struct line
*line
, struct line
*end
)
5267 while (line
< end
) {
5268 if (!io_write(io
, line
->data
, strlen(line
->data
)) ||
5269 !io_write(io
, "\n", 1))
5272 if (line
->type
== LINE_DIFF_CHUNK
||
5273 line
->type
== LINE_DIFF_HEADER
)
5280 static struct line
*
5281 stage_diff_find(struct view
*view
, struct line
*line
, enum line_type type
)
5283 for (; view
->line
< line
; line
--)
5284 if (line
->type
== type
)
5291 stage_apply_chunk(struct view
*view
, struct line
*chunk
, bool revert
)
5293 const char *apply_argv
[SIZEOF_ARG
] = {
5294 "git", "apply", "--whitespace=nowarn", NULL
5296 struct line
*diff_hdr
;
5300 diff_hdr
= stage_diff_find(view
, chunk
, LINE_DIFF_HEADER
);
5305 apply_argv
[argc
++] = "--cached";
5306 if (revert
|| stage_line_type
== LINE_STAT_STAGED
)
5307 apply_argv
[argc
++] = "-R";
5308 apply_argv
[argc
++] = "-";
5309 apply_argv
[argc
++] = NULL
;
5310 if (!run_io(&io
, apply_argv
, opt_cdup
, IO_WR
))
5313 if (!stage_diff_write(&io
, diff_hdr
, chunk
) ||
5314 !stage_diff_write(&io
, chunk
, view
->line
+ view
->lines
))
5318 run_io_bg(update_index_argv
);
5320 return chunk
? TRUE
: FALSE
;
5324 stage_update(struct view
*view
, struct line
*line
)
5326 struct line
*chunk
= NULL
;
5328 if (!is_initial_commit() && stage_line_type
!= LINE_STAT_UNTRACKED
)
5329 chunk
= stage_diff_find(view
, line
, LINE_DIFF_CHUNK
);
5332 if (!stage_apply_chunk(view
, chunk
, FALSE
)) {
5333 report("Failed to apply chunk");
5337 } else if (!stage_status
.status
) {
5338 view
= VIEW(REQ_VIEW_STATUS
);
5340 for (line
= view
->line
; line
< view
->line
+ view
->lines
; line
++)
5341 if (line
->type
== stage_line_type
)
5344 if (!status_update_files(view
, line
+ 1)) {
5345 report("Failed to update files");
5349 } else if (!status_update_file(&stage_status
, stage_line_type
)) {
5350 report("Failed to update file");
5358 stage_revert(struct view
*view
, struct line
*line
)
5360 struct line
*chunk
= NULL
;
5362 if (!is_initial_commit() && stage_line_type
== LINE_STAT_UNSTAGED
)
5363 chunk
= stage_diff_find(view
, line
, LINE_DIFF_CHUNK
);
5366 if (!prompt_yesno("Are you sure you want to revert changes?"))
5369 if (!stage_apply_chunk(view
, chunk
, TRUE
)) {
5370 report("Failed to revert chunk");
5376 return status_revert(stage_status
.status
? &stage_status
: NULL
,
5377 stage_line_type
, FALSE
);
5383 stage_next(struct view
*view
, struct line
*line
)
5387 if (!stage_chunks
) {
5388 static size_t alloc
= 0;
5391 for (line
= view
->line
; line
< view
->line
+ view
->lines
; line
++) {
5392 if (line
->type
!= LINE_DIFF_CHUNK
)
5395 tmp
= realloc_items(stage_chunk
, &alloc
,
5396 stage_chunks
, sizeof(*tmp
));
5398 report("Allocation failure");
5403 stage_chunk
[stage_chunks
++] = line
- view
->line
;
5407 for (i
= 0; i
< stage_chunks
; i
++) {
5408 if (stage_chunk
[i
] > view
->lineno
) {
5409 do_scroll_view(view
, stage_chunk
[i
] - view
->lineno
);
5410 report("Chunk %d of %d", i
+ 1, stage_chunks
);
5415 report("No next chunk found");
5419 stage_request(struct view
*view
, enum request request
, struct line
*line
)
5422 case REQ_STATUS_UPDATE
:
5423 if (!stage_update(view
, line
))
5427 case REQ_STATUS_REVERT
:
5428 if (!stage_revert(view
, line
))
5432 case REQ_STAGE_NEXT
:
5433 if (stage_line_type
== LINE_STAT_UNTRACKED
) {
5434 report("File is untracked; press %s to add",
5435 get_key(REQ_STATUS_UPDATE
));
5438 stage_next(view
, line
);
5442 if (!stage_status
.new.name
[0])
5444 if (stage_status
.status
== 'D') {
5445 report("File has been deleted.");
5449 open_editor(stage_status
.status
!= '?', stage_status
.new.name
);
5453 /* Reload everything ... */
5456 case REQ_VIEW_BLAME
:
5457 if (stage_status
.new.name
[0]) {
5458 string_copy(opt_file
, stage_status
.new.name
);
5464 return pager_request(view
, request
, line
);
5470 VIEW(REQ_VIEW_STATUS
)->p_restore
= TRUE
;
5471 open_view(view
, REQ_VIEW_STATUS
, OPEN_RELOAD
| OPEN_NOMAXIMIZE
);
5473 /* Check whether the staged entry still exists, and close the
5474 * stage view if it doesn't. */
5475 if (!status_exists(&stage_status
, stage_line_type
)) {
5476 status_restore(VIEW(REQ_VIEW_STATUS
));
5477 return REQ_VIEW_CLOSE
;
5480 if (stage_line_type
== LINE_STAT_UNTRACKED
) {
5481 if (!suffixcmp(stage_status
.new.name
, -1, "/")) {
5482 report("Cannot display a directory");
5486 if (!prepare_update_file(view
, stage_status
.new.name
)) {
5487 report("Failed to open file: %s", strerror(errno
));
5491 open_view(view
, REQ_VIEW_STAGE
, OPEN_REFRESH
);
5496 static struct view_ops stage_ops
= {
5513 char id
[SIZEOF_REV
]; /* SHA1 ID. */
5514 char title
[128]; /* First line of the commit message. */
5515 char author
[75]; /* Author of the commit. */
5516 struct tm time
; /* Date from the author ident. */
5517 struct ref
**refs
; /* Repository references. */
5518 chtype graph
[SIZEOF_REVGRAPH
]; /* Ancestry chain graphics. */
5519 size_t graph_size
; /* The width of the graph array. */
5520 bool has_parents
; /* Rewritten --parents seen. */
5523 /* Size of rev graph with no "padding" columns */
5524 #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2))
5527 struct rev_graph
*prev
, *next
, *parents
;
5528 char rev
[SIZEOF_REVITEMS
][SIZEOF_REV
];
5530 struct commit
*commit
;
5532 unsigned int boundary
:1;
5535 /* Parents of the commit being visualized. */
5536 static struct rev_graph graph_parents
[4];
5538 /* The current stack of revisions on the graph. */
5539 static struct rev_graph graph_stacks
[4] = {
5540 { &graph_stacks
[3], &graph_stacks
[1], &graph_parents
[0] },
5541 { &graph_stacks
[0], &graph_stacks
[2], &graph_parents
[1] },
5542 { &graph_stacks
[1], &graph_stacks
[3], &graph_parents
[2] },
5543 { &graph_stacks
[2], &graph_stacks
[0], &graph_parents
[3] },
5547 graph_parent_is_merge(struct rev_graph
*graph
)
5549 return graph
->parents
->size
> 1;
5553 append_to_rev_graph(struct rev_graph
*graph
, chtype symbol
)
5555 struct commit
*commit
= graph
->commit
;
5557 if (commit
->graph_size
< ARRAY_SIZE(commit
->graph
) - 1)
5558 commit
->graph
[commit
->graph_size
++] = symbol
;
5562 clear_rev_graph(struct rev_graph
*graph
)
5564 graph
->boundary
= 0;
5565 graph
->size
= graph
->pos
= 0;
5566 graph
->commit
= NULL
;
5567 memset(graph
->parents
, 0, sizeof(*graph
->parents
));
5571 done_rev_graph(struct rev_graph
*graph
)
5573 if (graph_parent_is_merge(graph
) &&
5574 graph
->pos
< graph
->size
- 1 &&
5575 graph
->next
->size
== graph
->size
+ graph
->parents
->size
- 1) {
5576 size_t i
= graph
->pos
+ graph
->parents
->size
- 1;
5578 graph
->commit
->graph_size
= i
* 2;
5579 while (i
< graph
->next
->size
- 1) {
5580 append_to_rev_graph(graph
, ' ');
5581 append_to_rev_graph(graph
, '\\');
5586 clear_rev_graph(graph
);
5590 push_rev_graph(struct rev_graph
*graph
, const char *parent
)
5594 /* "Collapse" duplicate parents lines.
5596 * FIXME: This needs to also update update the drawn graph but
5597 * for now it just serves as a method for pruning graph lines. */
5598 for (i
= 0; i
< graph
->size
; i
++)
5599 if (!strncmp(graph
->rev
[i
], parent
, SIZEOF_REV
))
5602 if (graph
->size
< SIZEOF_REVITEMS
) {
5603 string_copy_rev(graph
->rev
[graph
->size
++], parent
);
5608 get_rev_graph_symbol(struct rev_graph
*graph
)
5612 if (graph
->boundary
)
5613 symbol
= REVGRAPH_BOUND
;
5614 else if (graph
->parents
->size
== 0)
5615 symbol
= REVGRAPH_INIT
;
5616 else if (graph_parent_is_merge(graph
))
5617 symbol
= REVGRAPH_MERGE
;
5618 else if (graph
->pos
>= graph
->size
)
5619 symbol
= REVGRAPH_BRANCH
;
5621 symbol
= REVGRAPH_COMMIT
;
5627 draw_rev_graph(struct rev_graph
*graph
)
5630 chtype separator
, line
;
5632 enum { DEFAULT
, RSHARP
, RDIAG
, LDIAG
};
5633 static struct rev_filler fillers
[] = {
5639 chtype symbol
= get_rev_graph_symbol(graph
);
5640 struct rev_filler
*filler
;
5643 if (opt_line_graphics
)
5644 fillers
[DEFAULT
].line
= line_graphics
[LINE_GRAPHIC_VLINE
];
5646 filler
= &fillers
[DEFAULT
];
5648 for (i
= 0; i
< graph
->pos
; i
++) {
5649 append_to_rev_graph(graph
, filler
->line
);
5650 if (graph_parent_is_merge(graph
->prev
) &&
5651 graph
->prev
->pos
== i
)
5652 filler
= &fillers
[RSHARP
];
5654 append_to_rev_graph(graph
, filler
->separator
);
5657 /* Place the symbol for this revision. */
5658 append_to_rev_graph(graph
, symbol
);
5660 if (graph
->prev
->size
> graph
->size
)
5661 filler
= &fillers
[RDIAG
];
5663 filler
= &fillers
[DEFAULT
];
5667 for (; i
< graph
->size
; i
++) {
5668 append_to_rev_graph(graph
, filler
->separator
);
5669 append_to_rev_graph(graph
, filler
->line
);
5670 if (graph_parent_is_merge(graph
->prev
) &&
5671 i
< graph
->prev
->pos
+ graph
->parents
->size
)
5672 filler
= &fillers
[RSHARP
];
5673 if (graph
->prev
->size
> graph
->size
)
5674 filler
= &fillers
[LDIAG
];
5677 if (graph
->prev
->size
> graph
->size
) {
5678 append_to_rev_graph(graph
, filler
->separator
);
5679 if (filler
->line
!= ' ')
5680 append_to_rev_graph(graph
, filler
->line
);
5684 /* Prepare the next rev graph */
5686 prepare_rev_graph(struct rev_graph
*graph
)
5690 /* First, traverse all lines of revisions up to the active one. */
5691 for (graph
->pos
= 0; graph
->pos
< graph
->size
; graph
->pos
++) {
5692 if (!strcmp(graph
->rev
[graph
->pos
], graph
->commit
->id
))
5695 push_rev_graph(graph
->next
, graph
->rev
[graph
->pos
]);
5698 /* Interleave the new revision parent(s). */
5699 for (i
= 0; !graph
->boundary
&& i
< graph
->parents
->size
; i
++)
5700 push_rev_graph(graph
->next
, graph
->parents
->rev
[i
]);
5702 /* Lastly, put any remaining revisions. */
5703 for (i
= graph
->pos
+ 1; i
< graph
->size
; i
++)
5704 push_rev_graph(graph
->next
, graph
->rev
[i
]);
5708 update_rev_graph(struct view
*view
, struct rev_graph
*graph
)
5710 /* If this is the finalizing update ... */
5712 prepare_rev_graph(graph
);
5714 /* Graph visualization needs a one rev look-ahead,
5715 * so the first update doesn't visualize anything. */
5716 if (!graph
->prev
->commit
)
5719 if (view
->lines
> 2)
5720 view
->line
[view
->lines
- 3].dirty
= 1;
5721 if (view
->lines
> 1)
5722 view
->line
[view
->lines
- 2].dirty
= 1;
5723 draw_rev_graph(graph
->prev
);
5724 done_rev_graph(graph
->prev
->prev
);
5732 static const char *main_argv
[SIZEOF_ARG
] = {
5733 "git", "log", "--no-color", "--pretty=raw", "--parents",
5734 "--topo-order", "%(head)", NULL
5738 main_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
5740 struct commit
*commit
= line
->data
;
5742 if (!*commit
->author
)
5745 if (opt_date
&& draw_date(view
, &commit
->time
))
5748 if (opt_author
&& draw_author(view
, commit
->author
))
5751 if (opt_rev_graph
&& commit
->graph_size
&&
5752 draw_graphic(view
, LINE_MAIN_REVGRAPH
, commit
->graph
, commit
->graph_size
))
5755 if (opt_show_refs
&& commit
->refs
) {
5759 enum line_type type
;
5761 if (commit
->refs
[i
]->head
)
5762 type
= LINE_MAIN_HEAD
;
5763 else if (commit
->refs
[i
]->ltag
)
5764 type
= LINE_MAIN_LOCAL_TAG
;
5765 else if (commit
->refs
[i
]->tag
)
5766 type
= LINE_MAIN_TAG
;
5767 else if (commit
->refs
[i
]->tracked
)
5768 type
= LINE_MAIN_TRACKED
;
5769 else if (commit
->refs
[i
]->remote
)
5770 type
= LINE_MAIN_REMOTE
;
5772 type
= LINE_MAIN_REF
;
5774 if (draw_text(view
, type
, "[", TRUE
) ||
5775 draw_text(view
, type
, commit
->refs
[i
]->name
, TRUE
) ||
5776 draw_text(view
, type
, "]", TRUE
))
5779 if (draw_text(view
, LINE_DEFAULT
, " ", TRUE
))
5781 } while (commit
->refs
[i
++]->next
);
5784 draw_text(view
, LINE_DEFAULT
, commit
->title
, TRUE
);
5788 /* Reads git log --pretty=raw output and parses it into the commit struct. */
5790 main_read(struct view
*view
, char *line
)
5792 static struct rev_graph
*graph
= graph_stacks
;
5793 enum line_type type
;
5794 struct commit
*commit
;
5799 if (!view
->lines
&& !view
->parent
)
5800 die("No revisions match the given arguments.");
5801 if (view
->lines
> 0) {
5802 commit
= view
->line
[view
->lines
- 1].data
;
5803 view
->line
[view
->lines
- 1].dirty
= 1;
5804 if (!*commit
->author
) {
5807 graph
->commit
= NULL
;
5810 update_rev_graph(view
, graph
);
5812 for (i
= 0; i
< ARRAY_SIZE(graph_stacks
); i
++)
5813 clear_rev_graph(&graph_stacks
[i
]);
5817 type
= get_line_type(line
);
5818 if (type
== LINE_COMMIT
) {
5819 commit
= calloc(1, sizeof(struct commit
));
5823 line
+= STRING_SIZE("commit ");
5825 graph
->boundary
= 1;
5829 string_copy_rev(commit
->id
, line
);
5830 commit
->refs
= get_refs(commit
->id
);
5831 graph
->commit
= commit
;
5832 add_line_data(view
, commit
, LINE_MAIN_COMMIT
);
5834 while ((line
= strchr(line
, ' '))) {
5836 push_rev_graph(graph
->parents
, line
);
5837 commit
->has_parents
= TRUE
;
5844 commit
= view
->line
[view
->lines
- 1].data
;
5848 if (commit
->has_parents
)
5850 push_rev_graph(graph
->parents
, line
+ STRING_SIZE("parent "));
5854 parse_author_line(line
+ STRING_SIZE("author "),
5855 commit
->author
, sizeof(commit
->author
),
5857 update_rev_graph(view
, graph
);
5858 graph
= graph
->next
;
5862 /* Fill in the commit title if it has not already been set. */
5863 if (commit
->title
[0])
5866 /* Require titles to start with a non-space character at the
5867 * offset used by git log. */
5868 if (strncmp(line
, " ", 4))
5871 /* Well, if the title starts with a whitespace character,
5872 * try to be forgiving. Otherwise we end up with no title. */
5873 while (isspace(*line
))
5877 /* FIXME: More graceful handling of titles; append "..." to
5878 * shortened titles, etc. */
5880 string_ncopy(commit
->title
, line
, strlen(line
));
5881 view
->line
[view
->lines
- 1].dirty
= 1;
5888 main_request(struct view
*view
, enum request request
, struct line
*line
)
5890 enum open_flags flags
= display
[0] == view
? OPEN_SPLIT
: OPEN_DEFAULT
;
5894 open_view(view
, REQ_VIEW_DIFF
, flags
);
5898 open_view(view
, REQ_VIEW_MAIN
, OPEN_REFRESH
);
5908 grep_refs(struct ref
**refs
, regex_t
*regex
)
5916 if (regexec(regex
, refs
[i
]->name
, 1, &pmatch
, 0) != REG_NOMATCH
)
5918 } while (refs
[i
++]->next
);
5924 main_grep(struct view
*view
, struct line
*line
)
5926 struct commit
*commit
= line
->data
;
5927 enum { S_TITLE
, S_AUTHOR
, S_DATE
, S_REFS
, S_END
} state
;
5928 char buf
[DATE_COLS
+ 1];
5931 for (state
= S_TITLE
; state
< S_END
; state
++) {
5935 case S_TITLE
: text
= commit
->title
; break;
5939 text
= commit
->author
;
5944 if (!strftime(buf
, sizeof(buf
), DATE_FORMAT
, &commit
->time
))
5951 if (grep_refs(commit
->refs
, view
->regex
) == TRUE
)
5958 if (regexec(view
->regex
, text
, 1, &pmatch
, 0) != REG_NOMATCH
)
5966 main_select(struct view
*view
, struct line
*line
)
5968 struct commit
*commit
= line
->data
;
5970 string_copy_rev(view
->ref
, commit
->id
);
5971 string_copy_rev(ref_commit
, view
->ref
);
5974 static struct view_ops main_ops
= {
5987 * Unicode / UTF-8 handling
5989 * NOTE: Much of the following code for dealing with unicode is derived from
5990 * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is
5991 * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28.
5994 /* I've (over)annotated a lot of code snippets because I am not entirely
5995 * confident that the approach taken by this small UTF-8 interface is correct.
5999 unicode_width(unsigned long c
)
6002 (c
<= 0x115f /* Hangul Jamo */
6005 || (c
>= 0x2e80 && c
<= 0xa4cf && c
!= 0x303f)
6007 || (c
>= 0xac00 && c
<= 0xd7a3) /* Hangul Syllables */
6008 || (c
>= 0xf900 && c
<= 0xfaff) /* CJK Compatibility Ideographs */
6009 || (c
>= 0xfe30 && c
<= 0xfe6f) /* CJK Compatibility Forms */
6010 || (c
>= 0xff00 && c
<= 0xff60) /* Fullwidth Forms */
6011 || (c
>= 0xffe0 && c
<= 0xffe6)
6012 || (c
>= 0x20000 && c
<= 0x2fffd)
6013 || (c
>= 0x30000 && c
<= 0x3fffd)))
6017 return opt_tab_size
;
6022 /* Number of bytes used for encoding a UTF-8 character indexed by first byte.
6023 * Illegal bytes are set one. */
6024 static const unsigned char utf8_bytes
[256] = {
6025 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,
6026 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,
6027 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,
6028 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,
6029 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,
6030 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,
6031 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,
6032 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,
6035 /* Decode UTF-8 multi-byte representation into a unicode character. */
6036 static inline unsigned long
6037 utf8_to_unicode(const char *string
, size_t length
)
6039 unsigned long unicode
;
6043 unicode
= string
[0];
6046 unicode
= (string
[0] & 0x1f) << 6;
6047 unicode
+= (string
[1] & 0x3f);
6050 unicode
= (string
[0] & 0x0f) << 12;
6051 unicode
+= ((string
[1] & 0x3f) << 6);
6052 unicode
+= (string
[2] & 0x3f);
6055 unicode
= (string
[0] & 0x0f) << 18;
6056 unicode
+= ((string
[1] & 0x3f) << 12);
6057 unicode
+= ((string
[2] & 0x3f) << 6);
6058 unicode
+= (string
[3] & 0x3f);
6061 unicode
= (string
[0] & 0x0f) << 24;
6062 unicode
+= ((string
[1] & 0x3f) << 18);
6063 unicode
+= ((string
[2] & 0x3f) << 12);
6064 unicode
+= ((string
[3] & 0x3f) << 6);
6065 unicode
+= (string
[4] & 0x3f);
6068 unicode
= (string
[0] & 0x01) << 30;
6069 unicode
+= ((string
[1] & 0x3f) << 24);
6070 unicode
+= ((string
[2] & 0x3f) << 18);
6071 unicode
+= ((string
[3] & 0x3f) << 12);
6072 unicode
+= ((string
[4] & 0x3f) << 6);
6073 unicode
+= (string
[5] & 0x3f);
6076 die("Invalid unicode length");
6079 /* Invalid characters could return the special 0xfffd value but NUL
6080 * should be just as good. */
6081 return unicode
> 0xffff ? 0 : unicode
;
6084 /* Calculates how much of string can be shown within the given maximum width
6085 * and sets trimmed parameter to non-zero value if all of string could not be
6086 * shown. If the reserve flag is TRUE, it will reserve at least one
6087 * trailing character, which can be useful when drawing a delimiter.
6089 * Returns the number of bytes to output from string to satisfy max_width. */
6091 utf8_length(const char *string
, int *width
, size_t max_width
, int *trimmed
, bool reserve
)
6093 const char *start
= string
;
6094 const char *end
= strchr(string
, '\0');
6095 unsigned char last_bytes
= 0;
6096 size_t last_ucwidth
= 0;
6101 while (string
< end
) {
6102 int c
= *(unsigned char *) string
;
6103 unsigned char bytes
= utf8_bytes
[c
];
6105 unsigned long unicode
;
6107 if (string
+ bytes
> end
)
6110 /* Change representation to figure out whether
6111 * it is a single- or double-width character. */
6113 unicode
= utf8_to_unicode(string
, bytes
);
6114 /* FIXME: Graceful handling of invalid unicode character. */
6118 ucwidth
= unicode_width(unicode
);
6120 if (*width
> max_width
) {
6123 if (reserve
&& *width
== max_width
) {
6124 string
-= last_bytes
;
6125 *width
-= last_ucwidth
;
6132 last_ucwidth
= ucwidth
;
6135 return string
- start
;
6143 /* Whether or not the curses interface has been initialized. */
6144 static bool cursed
= FALSE
;
6146 /* Terminal hacks and workarounds. */
6147 static bool use_scroll_redrawwin
;
6148 static bool use_scroll_status_wclear
;
6150 /* The status window is used for polling keystrokes. */
6151 static WINDOW
*status_win
;
6153 /* Reading from the prompt? */
6154 static bool input_mode
= FALSE
;
6156 static bool status_empty
= FALSE
;
6158 /* Update status and title window. */
6160 report(const char *msg
, ...)
6162 struct view
*view
= display
[current_view
];
6168 char buf
[SIZEOF_STR
];
6171 va_start(args
, msg
);
6172 if (vsnprintf(buf
, sizeof(buf
), msg
, args
) >= sizeof(buf
)) {
6173 buf
[sizeof(buf
) - 1] = 0;
6174 buf
[sizeof(buf
) - 2] = '.';
6175 buf
[sizeof(buf
) - 3] = '.';
6176 buf
[sizeof(buf
) - 4] = '.';
6182 if (!status_empty
|| *msg
) {
6185 va_start(args
, msg
);
6187 wmove(status_win
, 0, 0);
6188 if (view
->has_scrolled
&& use_scroll_status_wclear
)
6191 vwprintw(status_win
, msg
, args
);
6192 status_empty
= FALSE
;
6194 status_empty
= TRUE
;
6196 wclrtoeol(status_win
);
6197 wnoutrefresh(status_win
);
6202 update_view_title(view
);
6205 /* Controls when nodelay should be in effect when polling user input. */
6207 set_nonblocking_input(bool loading
)
6209 static unsigned int loading_views
;
6211 if ((loading
== FALSE
&& loading_views
-- == 1) ||
6212 (loading
== TRUE
&& loading_views
++ == 0))
6213 nodelay(status_win
, loading
);
6222 /* Initialize the curses library */
6223 if (isatty(STDIN_FILENO
)) {
6224 cursed
= !!initscr();
6227 /* Leave stdin and stdout alone when acting as a pager. */
6228 opt_tty
= fopen("/dev/tty", "r+");
6230 die("Failed to open /dev/tty");
6231 cursed
= !!newterm(NULL
, opt_tty
, opt_tty
);
6235 die("Failed to initialize curses");
6237 nonl(); /* Tell curses not to do NL->CR/NL on output */
6238 cbreak(); /* Take input chars one at a time, no wait for \n */
6239 noecho(); /* Don't echo input */
6240 leaveok(stdscr
, FALSE
);
6245 getmaxyx(stdscr
, y
, x
);
6246 status_win
= newwin(1, 0, y
- 1, 0);
6248 die("Failed to create status window");
6250 /* Enable keyboard mapping */
6251 keypad(status_win
, TRUE
);
6252 wbkgdset(status_win
, get_line_attr(LINE_STATUS
));
6254 TABSIZE
= opt_tab_size
;
6255 if (opt_line_graphics
) {
6256 line_graphics
[LINE_GRAPHIC_VLINE
] = ACS_VLINE
;
6259 term
= getenv("XTERM_VERSION") ? NULL
: getenv("COLORTERM");
6260 if (term
&& !strcmp(term
, "gnome-terminal")) {
6261 /* In the gnome-terminal-emulator, the message from
6262 * scrolling up one line when impossible followed by
6263 * scrolling down one line causes corruption of the
6264 * status line. This is fixed by calling wclear. */
6265 use_scroll_status_wclear
= TRUE
;
6266 use_scroll_redrawwin
= FALSE
;
6268 } else if (term
&& !strcmp(term
, "xrvt-xpm")) {
6269 /* No problems with full optimizations in xrvt-(unicode)
6271 use_scroll_status_wclear
= use_scroll_redrawwin
= FALSE
;
6274 /* When scrolling in (u)xterm the last line in the
6275 * scrolling direction will update slowly. */
6276 use_scroll_redrawwin
= TRUE
;
6277 use_scroll_status_wclear
= FALSE
;
6282 get_input(int prompt_position
)
6285 int i
, key
, cursor_y
, cursor_x
;
6287 if (prompt_position
)
6291 foreach_view (view
, i
) {
6293 if (view_is_displayed(view
) && view
->has_scrolled
&&
6294 use_scroll_redrawwin
)
6295 redrawwin(view
->win
);
6296 view
->has_scrolled
= FALSE
;
6299 /* Update the cursor position. */
6300 if (prompt_position
) {
6301 getbegyx(status_win
, cursor_y
, cursor_x
);
6302 cursor_x
= prompt_position
;
6304 view
= display
[current_view
];
6305 getbegyx(view
->win
, cursor_y
, cursor_x
);
6306 cursor_x
= view
->width
- 1;
6307 cursor_y
+= view
->lineno
- view
->offset
;
6309 setsyx(cursor_y
, cursor_x
);
6311 /* Refresh, accept single keystroke of input */
6313 key
= wgetch(status_win
);
6315 /* wgetch() with nodelay() enabled returns ERR when
6316 * there's no input. */
6319 } else if (key
== KEY_RESIZE
) {
6322 getmaxyx(stdscr
, height
, width
);
6324 wresize(status_win
, 1, width
);
6325 mvwin(status_win
, height
- 1, 0);
6326 wnoutrefresh(status_win
);
6328 redraw_display(TRUE
);
6338 prompt_input(const char *prompt
, input_handler handler
, void *data
)
6340 enum input_status status
= INPUT_OK
;
6341 static char buf
[SIZEOF_STR
];
6346 while (status
== INPUT_OK
|| status
== INPUT_SKIP
) {
6349 mvwprintw(status_win
, 0, 0, "%s%.*s", prompt
, pos
, buf
);
6350 wclrtoeol(status_win
);
6352 key
= get_input(pos
+ 1);
6357 status
= pos
? INPUT_STOP
: INPUT_CANCEL
;
6364 status
= INPUT_CANCEL
;
6368 status
= INPUT_CANCEL
;
6372 if (pos
>= sizeof(buf
)) {
6373 report("Input string too long");
6377 status
= handler(data
, buf
, key
);
6378 if (status
== INPUT_OK
)
6379 buf
[pos
++] = (char) key
;
6383 /* Clear the status window */
6384 status_empty
= FALSE
;
6387 if (status
== INPUT_CANCEL
)
6395 static enum input_status
6396 prompt_yesno_handler(void *data
, char *buf
, int c
)
6398 if (c
== 'y' || c
== 'Y')
6400 if (c
== 'n' || c
== 'N')
6401 return INPUT_CANCEL
;
6406 prompt_yesno(const char *prompt
)
6408 char prompt2
[SIZEOF_STR
];
6410 if (!string_format(prompt2
, "%s [Yy/Nn]", prompt
))
6413 return !!prompt_input(prompt2
, prompt_yesno_handler
, NULL
);
6416 static enum input_status
6417 read_prompt_handler(void *data
, char *buf
, int c
)
6419 return isprint(c
) ? INPUT_OK
: INPUT_SKIP
;
6423 read_prompt(const char *prompt
)
6425 return prompt_input(prompt
, read_prompt_handler
, NULL
);
6429 * Repository properties
6432 static struct ref
*refs
= NULL
;
6433 static size_t refs_alloc
= 0;
6434 static size_t refs_size
= 0;
6436 /* Id <-> ref store */
6437 static struct ref
***id_refs
= NULL
;
6438 static size_t id_refs_alloc
= 0;
6439 static size_t id_refs_size
= 0;
6442 compare_refs(const void *ref1_
, const void *ref2_
)
6444 const struct ref
*ref1
= *(const struct ref
**)ref1_
;
6445 const struct ref
*ref2
= *(const struct ref
**)ref2_
;
6447 if (ref1
->tag
!= ref2
->tag
)
6448 return ref2
->tag
- ref1
->tag
;
6449 if (ref1
->ltag
!= ref2
->ltag
)
6450 return ref2
->ltag
- ref2
->ltag
;
6451 if (ref1
->head
!= ref2
->head
)
6452 return ref2
->head
- ref1
->head
;
6453 if (ref1
->tracked
!= ref2
->tracked
)
6454 return ref2
->tracked
- ref1
->tracked
;
6455 if (ref1
->remote
!= ref2
->remote
)
6456 return ref2
->remote
- ref1
->remote
;
6457 return strcmp(ref1
->name
, ref2
->name
);
6460 static struct ref
**
6461 get_refs(const char *id
)
6463 struct ref
***tmp_id_refs
;
6464 struct ref
**ref_list
= NULL
;
6465 size_t ref_list_alloc
= 0;
6466 size_t ref_list_size
= 0;
6469 for (i
= 0; i
< id_refs_size
; i
++)
6470 if (!strcmp(id
, id_refs
[i
][0]->id
))
6473 tmp_id_refs
= realloc_items(id_refs
, &id_refs_alloc
, id_refs_size
+ 1,
6478 id_refs
= tmp_id_refs
;
6480 for (i
= 0; i
< refs_size
; i
++) {
6483 if (strcmp(id
, refs
[i
].id
))
6486 tmp
= realloc_items(ref_list
, &ref_list_alloc
,
6487 ref_list_size
+ 1, sizeof(*ref_list
));
6495 ref_list
[ref_list_size
] = &refs
[i
];
6496 /* XXX: The properties of the commit chains ensures that we can
6497 * safely modify the shared ref. The repo references will
6498 * always be similar for the same id. */
6499 ref_list
[ref_list_size
]->next
= 1;
6505 qsort(ref_list
, ref_list_size
, sizeof(*ref_list
), compare_refs
);
6506 ref_list
[ref_list_size
- 1]->next
= 0;
6507 id_refs
[id_refs_size
++] = ref_list
;
6514 read_ref(char *id
, size_t idlen
, char *name
, size_t namelen
)
6519 bool remote
= FALSE
;
6520 bool tracked
= FALSE
;
6521 bool check_replace
= FALSE
;
6524 if (!prefixcmp(name
, "refs/tags/")) {
6525 if (!suffixcmp(name
, namelen
, "^{}")) {
6528 if (refs_size
> 0 && refs
[refs_size
- 1].ltag
== TRUE
)
6529 check_replace
= TRUE
;
6535 namelen
-= STRING_SIZE("refs/tags/");
6536 name
+= STRING_SIZE("refs/tags/");
6538 } else if (!prefixcmp(name
, "refs/remotes/")) {
6540 namelen
-= STRING_SIZE("refs/remotes/");
6541 name
+= STRING_SIZE("refs/remotes/");
6542 tracked
= !strcmp(opt_remote
, name
);
6544 } else if (!prefixcmp(name
, "refs/heads/")) {
6545 namelen
-= STRING_SIZE("refs/heads/");
6546 name
+= STRING_SIZE("refs/heads/");
6547 head
= !strncmp(opt_head
, name
, namelen
);
6549 } else if (!strcmp(name
, "HEAD")) {
6550 string_ncopy(opt_head_rev
, id
, idlen
);
6554 if (check_replace
&& !strcmp(name
, refs
[refs_size
- 1].name
)) {
6555 /* it's an annotated tag, replace the previous sha1 with the
6556 * resolved commit id; relies on the fact git-ls-remote lists
6557 * the commit id of an annotated tag right before the commit id
6559 refs
[refs_size
- 1].ltag
= ltag
;
6560 string_copy_rev(refs
[refs_size
- 1].id
, id
);
6564 refs
= realloc_items(refs
, &refs_alloc
, refs_size
+ 1, sizeof(*refs
));
6568 ref
= &refs
[refs_size
++];
6569 ref
->name
= malloc(namelen
+ 1);
6573 strncpy(ref
->name
, name
, namelen
);
6574 ref
->name
[namelen
] = 0;
6578 ref
->remote
= remote
;
6579 ref
->tracked
= tracked
;
6580 string_copy_rev(ref
->id
, id
);
6588 static const char *ls_remote_argv
[SIZEOF_ARG
] = {
6589 "git", "ls-remote", ".", NULL
6591 static bool init
= FALSE
;
6594 argv_from_env(ls_remote_argv
, "TIG_LS_REMOTE");
6601 while (refs_size
> 0)
6602 free(refs
[--refs_size
].name
);
6603 while (id_refs_size
> 0)
6604 free(id_refs
[--id_refs_size
]);
6606 return run_io_load(ls_remote_argv
, "\t", read_ref
);
6610 read_repo_config_option(char *name
, size_t namelen
, char *value
, size_t valuelen
)
6612 if (!strcmp(name
, "i18n.commitencoding"))
6613 string_ncopy(opt_encoding
, value
, valuelen
);
6615 if (!strcmp(name
, "core.editor"))
6616 string_ncopy(opt_editor
, value
, valuelen
);
6618 /* branch.<head>.remote */
6620 !strncmp(name
, "branch.", 7) &&
6621 !strncmp(name
+ 7, opt_head
, strlen(opt_head
)) &&
6622 !strcmp(name
+ 7 + strlen(opt_head
), ".remote"))
6623 string_ncopy(opt_remote
, value
, valuelen
);
6625 if (*opt_head
&& *opt_remote
&&
6626 !strncmp(name
, "branch.", 7) &&
6627 !strncmp(name
+ 7, opt_head
, strlen(opt_head
)) &&
6628 !strcmp(name
+ 7 + strlen(opt_head
), ".merge")) {
6629 size_t from
= strlen(opt_remote
);
6631 if (!prefixcmp(value
, "refs/heads/")) {
6632 value
+= STRING_SIZE("refs/heads/");
6633 valuelen
-= STRING_SIZE("refs/heads/");
6636 if (!string_format_from(opt_remote
, &from
, "/%s", value
))
6644 load_git_config(void)
6646 const char *config_list_argv
[] = { "git", GIT_CONFIG
, "--list", NULL
};
6648 return run_io_load(config_list_argv
, "=", read_repo_config_option
);
6652 read_repo_info(char *name
, size_t namelen
, char *value
, size_t valuelen
)
6654 if (!opt_git_dir
[0]) {
6655 string_ncopy(opt_git_dir
, name
, namelen
);
6657 } else if (opt_is_inside_work_tree
== -1) {
6658 /* This can be 3 different values depending on the
6659 * version of git being used. If git-rev-parse does not
6660 * understand --is-inside-work-tree it will simply echo
6661 * the option else either "true" or "false" is printed.
6662 * Default to true for the unknown case. */
6663 opt_is_inside_work_tree
= strcmp(name
, "false") ? TRUE
: FALSE
;
6665 } else if (*name
== '.') {
6666 string_ncopy(opt_cdup
, name
, namelen
);
6669 string_ncopy(opt_prefix
, name
, namelen
);
6676 load_repo_info(void)
6678 const char *head_argv
[] = {
6679 "git", "symbolic-ref", "HEAD", NULL
6681 const char *rev_parse_argv
[] = {
6682 "git", "rev-parse", "--git-dir", "--is-inside-work-tree",
6683 "--show-cdup", "--show-prefix", NULL
6686 if (run_io_buf(head_argv
, opt_head
, sizeof(opt_head
))) {
6687 chomp_string(opt_head
);
6688 if (!prefixcmp(opt_head
, "refs/heads/")) {
6689 char *offset
= opt_head
+ STRING_SIZE("refs/heads/");
6691 memmove(opt_head
, offset
, strlen(offset
) + 1);
6695 return run_io_load(rev_parse_argv
, "=", read_repo_info
);
6703 static void __NORETURN
6706 /* XXX: Restore tty modes and let the OS cleanup the rest! */
6712 static void __NORETURN
6713 die(const char *err
, ...)
6719 va_start(args
, err
);
6720 fputs("tig: ", stderr
);
6721 vfprintf(stderr
, err
, args
);
6722 fputs("\n", stderr
);
6729 warn(const char *msg
, ...)
6733 va_start(args
, msg
);
6734 fputs("tig warning: ", stderr
);
6735 vfprintf(stderr
, msg
, args
);
6736 fputs("\n", stderr
);
6741 main(int argc
, const char *argv
[])
6743 const char **run_argv
= NULL
;
6745 enum request request
;
6748 signal(SIGINT
, quit
);
6750 if (setlocale(LC_ALL
, "")) {
6751 char *codeset
= nl_langinfo(CODESET
);
6753 string_ncopy(opt_codeset
, codeset
, strlen(codeset
));
6756 if (load_repo_info() == ERR
)
6757 die("Failed to load repo info.");
6759 if (load_options() == ERR
)
6760 die("Failed to load user config.");
6762 if (load_git_config() == ERR
)
6763 die("Failed to load repo config.");
6765 request
= parse_options(argc
, argv
, &run_argv
);
6766 if (request
== REQ_NONE
)
6769 /* Require a git repository unless when running in pager mode. */
6770 if (!opt_git_dir
[0] && request
!= REQ_VIEW_PAGER
)
6771 die("Not a git repository");
6773 if (*opt_encoding
&& strcasecmp(opt_encoding
, "UTF-8"))
6776 if (*opt_codeset
&& strcmp(opt_codeset
, opt_encoding
)) {
6777 opt_iconv
= iconv_open(opt_codeset
, opt_encoding
);
6778 if (opt_iconv
== ICONV_NONE
)
6779 die("Failed to initialize character set conversion");
6782 if (load_refs() == ERR
)
6783 die("Failed to load refs.");
6785 foreach_view (view
, i
)
6786 argv_from_env(view
->ops
->argv
, view
->cmd_env
);
6790 if (request
== REQ_VIEW_PAGER
|| run_argv
) {
6791 if (request
== REQ_VIEW_PAGER
)
6792 io_open(&VIEW(request
)->io
, "");
6793 else if (!prepare_update(VIEW(request
), run_argv
, NULL
, FORMAT_NONE
))
6794 die("Failed to format arguments");
6795 open_view(NULL
, request
, OPEN_PREPARED
);
6799 while (view_driver(display
[current_view
], request
)) {
6800 int key
= get_input(0);
6802 view
= display
[current_view
];
6803 request
= get_keybinding(view
->keymap
, key
);
6805 /* Some low-level request handling. This keeps access to
6806 * status_win restricted. */
6810 char *cmd
= read_prompt(":");
6813 struct view
*next
= VIEW(REQ_VIEW_PAGER
);
6814 const char *argv
[SIZEOF_ARG
] = { "git" };
6817 /* When running random commands, initially show the
6818 * command in the title. However, it maybe later be
6819 * overwritten if a commit line is selected. */
6820 string_ncopy(next
->ref
, cmd
, strlen(cmd
));
6822 if (!argv_from_string(argv
, &argc
, cmd
)) {
6823 report("Too many arguments");
6824 } else if (!prepare_update(next
, argv
, NULL
, FORMAT_DASH
)) {
6825 report("Failed to format command");
6827 open_view(view
, REQ_VIEW_PAGER
, OPEN_PREPARED
);
6835 case REQ_SEARCH_BACK
:
6837 const char *prompt
= request
== REQ_SEARCH
? "/" : "?";
6838 char *search
= read_prompt(prompt
);
6841 string_ncopy(opt_search
, search
, strlen(search
));