1 /* Copyright (c) 2006-2008 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>
45 /* ncurses(3): Must be defined to have extended wide-character functions. */
46 #define _XOPEN_SOURCE_EXTENDED
48 #ifdef HAVE_NCURSESW_NCURSES_H
49 #include <ncursesw/ncurses.h>
51 #ifdef HAVE_NCURSES_NCURSES_H
52 #include <ncurses/ncurses.h>
59 #define __NORETURN __attribute__((__noreturn__))
64 static void __NORETURN
die(const char *err
, ...);
65 static void warn(const char *msg
, ...);
66 static void report(const char *msg
, ...);
67 static int read_properties(FILE *pipe
, const char *separators
, int (*read
)(char *, size_t, char *, size_t));
68 static void set_nonblocking_input(bool loading
);
69 static size_t utf8_length(const char *string
, int *width
, size_t max_width
, int *trimmed
, bool reserve
);
70 static bool prompt_yesno(const char *prompt
);
72 #define ABS(x) ((x) >= 0 ? (x) : -(x))
73 #define MIN(x, y) ((x) < (y) ? (x) : (y))
75 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
76 #define STRING_SIZE(x) (sizeof(x) - 1)
78 #define SIZEOF_STR 1024 /* Default string size. */
79 #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */
80 #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */
84 #define REVGRAPH_INIT 'I'
85 #define REVGRAPH_MERGE 'M'
86 #define REVGRAPH_BRANCH '+'
87 #define REVGRAPH_COMMIT '*'
88 #define REVGRAPH_BOUND '^'
90 #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */
92 /* This color name can be used to refer to the default term colors. */
93 #define COLOR_DEFAULT (-1)
95 #define ICONV_NONE ((iconv_t) -1)
97 #define ICONV_CONST /* nothing */
100 /* The format and size of the date column in the main view. */
101 #define DATE_FORMAT "%Y-%m-%d %H:%M"
102 #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ")
104 #define AUTHOR_COLS 20
107 /* The default interval between line numbers. */
108 #define NUMBER_INTERVAL 5
112 #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3)
114 #define NULL_ID "0000000000000000000000000000000000000000"
117 #define GIT_CONFIG "git config"
120 #define TIG_LS_REMOTE \
121 "git ls-remote . 2>/dev/null"
123 #define TIG_DIFF_CMD \
124 "git show --pretty=fuller --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null"
126 #define TIG_LOG_CMD \
127 "git log --no-color --cc --stat -n100 %s 2>/dev/null"
129 #define TIG_MAIN_BASE \
130 "git log --no-color --pretty=raw --parents --topo-order"
132 #define TIG_MAIN_CMD \
133 TIG_MAIN_BASE " %s 2>/dev/null"
135 #define TIG_TREE_CMD \
138 #define TIG_BLOB_CMD \
139 "git cat-file blob %s"
141 /* XXX: Needs to be defined to the empty string. */
142 #define TIG_HELP_CMD ""
143 #define TIG_PAGER_CMD ""
144 #define TIG_STATUS_CMD ""
145 #define TIG_STAGE_CMD ""
146 #define TIG_BLAME_CMD ""
148 /* Some ascii-shorthands fitted into the ncurses namespace. */
150 #define KEY_RETURN '\r'
155 char *name
; /* Ref name; tag or head names are shortened. */
156 char id
[SIZEOF_REV
]; /* Commit SHA1 ID */
157 unsigned int head
:1; /* Is it the current HEAD? */
158 unsigned int tag
:1; /* Is it a tag? */
159 unsigned int ltag
:1; /* If so, is the tag local? */
160 unsigned int remote
:1; /* Is it a remote ref? */
161 unsigned int tracked
:1; /* Is it the remote for the current HEAD? */
162 unsigned int next
:1; /* For ref lists: are there more refs? */
165 static struct ref
**get_refs(char *id
);
174 set_from_int_map(struct int_map
*map
, size_t map_size
,
175 int *value
, const char *name
, int namelen
)
180 for (i
= 0; i
< map_size
; i
++)
181 if (namelen
== map
[i
].namelen
&&
182 !strncasecmp(name
, map
[i
].name
, namelen
)) {
183 *value
= map
[i
].value
;
196 string_ncopy_do(char *dst
, size_t dstlen
, const char *src
, size_t srclen
)
198 if (srclen
> dstlen
- 1)
201 strncpy(dst
, src
, srclen
);
205 /* Shorthands for safely copying into a fixed buffer. */
207 #define string_copy(dst, src) \
208 string_ncopy_do(dst, sizeof(dst), src, sizeof(src))
210 #define string_ncopy(dst, src, srclen) \
211 string_ncopy_do(dst, sizeof(dst), src, srclen)
213 #define string_copy_rev(dst, src) \
214 string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1)
216 #define string_add(dst, from, src) \
217 string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src))
220 chomp_string(char *name
)
224 while (isspace(*name
))
227 namelen
= strlen(name
) - 1;
228 while (namelen
> 0 && isspace(name
[namelen
]))
235 string_nformat(char *buf
, size_t bufsize
, size_t *bufpos
, const char *fmt
, ...)
238 size_t pos
= bufpos
? *bufpos
: 0;
241 pos
+= vsnprintf(buf
+ pos
, bufsize
- pos
, fmt
, args
);
247 return pos
>= bufsize
? FALSE
: TRUE
;
250 #define string_format(buf, fmt, args...) \
251 string_nformat(buf, sizeof(buf), NULL, fmt, args)
253 #define string_format_from(buf, from, fmt, args...) \
254 string_nformat(buf, sizeof(buf), from, fmt, args)
257 string_enum_compare(const char *str1
, const char *str2
, int len
)
261 #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.')
263 /* Diff-Header == DIFF_HEADER */
264 for (i
= 0; i
< len
; i
++) {
265 if (toupper(str1
[i
]) == toupper(str2
[i
]))
268 if (string_enum_sep(str1
[i
]) &&
269 string_enum_sep(str2
[i
]))
272 return str1
[i
] - str2
[i
];
280 * NOTE: The following is a slightly modified copy of the git project's shell
281 * quoting routines found in the quote.c file.
283 * Help to copy the thing properly quoted for the shell safety. any single
284 * quote is replaced with '\'', any exclamation point is replaced with '\!',
285 * and the whole thing is enclosed in a
288 * original sq_quote result
289 * name ==> name ==> 'name'
290 * a b ==> a b ==> 'a b'
291 * a'b ==> a'\''b ==> 'a'\''b'
292 * a!b ==> a'\!'b ==> 'a'\!'b'
296 sq_quote(char buf
[SIZEOF_STR
], size_t bufsize
, const char *src
)
300 #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0)
303 while ((c
= *src
++)) {
304 if (c
== '\'' || c
== '!') {
315 if (bufsize
< SIZEOF_STR
)
327 /* XXX: Keep the view request first and in sync with views[]. */ \
328 REQ_GROUP("View switching") \
329 REQ_(VIEW_MAIN, "Show main view"), \
330 REQ_(VIEW_DIFF, "Show diff view"), \
331 REQ_(VIEW_LOG, "Show log view"), \
332 REQ_(VIEW_TREE, "Show tree view"), \
333 REQ_(VIEW_BLOB, "Show blob view"), \
334 REQ_(VIEW_BLAME, "Show blame view"), \
335 REQ_(VIEW_HELP, "Show help page"), \
336 REQ_(VIEW_PAGER, "Show pager view"), \
337 REQ_(VIEW_STATUS, "Show status view"), \
338 REQ_(VIEW_STAGE, "Show stage view"), \
340 REQ_GROUP("View manipulation") \
341 REQ_(ENTER, "Enter current line and scroll"), \
342 REQ_(NEXT, "Move to next"), \
343 REQ_(PREVIOUS, "Move to previous"), \
344 REQ_(VIEW_NEXT, "Move focus to next view"), \
345 REQ_(REFRESH, "Reload and refresh"), \
346 REQ_(MAXIMIZE, "Maximize the current view"), \
347 REQ_(VIEW_CLOSE, "Close the current view"), \
348 REQ_(QUIT, "Close all views and quit"), \
350 REQ_GROUP("Cursor navigation") \
351 REQ_(MOVE_UP, "Move cursor one line up"), \
352 REQ_(MOVE_DOWN, "Move cursor one line down"), \
353 REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \
354 REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \
355 REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \
356 REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \
358 REQ_GROUP("Scrolling") \
359 REQ_(SCROLL_LINE_UP, "Scroll one line up"), \
360 REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \
361 REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \
362 REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \
364 REQ_GROUP("Searching") \
365 REQ_(SEARCH, "Search the view"), \
366 REQ_(SEARCH_BACK, "Search backwards in the view"), \
367 REQ_(FIND_NEXT, "Find next search match"), \
368 REQ_(FIND_PREV, "Find previous search match"), \
371 REQ_(PROMPT, "Bring up the prompt"), \
372 REQ_(SCREEN_REDRAW, "Redraw the screen"), \
373 REQ_(SCREEN_RESIZE, "Resize the screen"), \
374 REQ_(SHOW_VERSION, "Show version information"), \
375 REQ_(STOP_LOADING, "Stop all loading views"), \
376 REQ_(TOGGLE_LINENO, "Toggle line numbers"), \
377 REQ_(TOGGLE_DATE, "Toggle date display"), \
378 REQ_(TOGGLE_AUTHOR, "Toggle author display"), \
379 REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \
380 REQ_(TOGGLE_REFS, "Toggle reference display (tags/branches)"), \
381 REQ_(STATUS_UPDATE, "Update file status"), \
382 REQ_(STATUS_CHECKOUT, "Checkout file"), \
383 REQ_(STATUS_MERGE, "Merge file using external tool"), \
384 REQ_(STAGE_NEXT, "Find next chunk to stage"), \
385 REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \
386 REQ_(EDIT, "Open in editor"), \
387 REQ_(NONE, "Do nothing")
390 /* User action requests. */
392 #define REQ_GROUP(help)
393 #define REQ_(req, help) REQ_##req
395 /* Offset all requests to avoid conflicts with ncurses getch values. */
396 REQ_OFFSET
= KEY_MAX
+ 1,
403 struct request_info
{
404 enum request request
;
410 static struct request_info req_info
[] = {
411 #define REQ_GROUP(help) { 0, NULL, 0, (help) },
412 #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) }
419 get_request(const char *name
)
421 int namelen
= strlen(name
);
424 for (i
= 0; i
< ARRAY_SIZE(req_info
); i
++)
425 if (req_info
[i
].namelen
== namelen
&&
426 !string_enum_compare(req_info
[i
].name
, name
, namelen
))
427 return req_info
[i
].request
;
437 static const char usage
[] =
438 "tig " TIG_VERSION
" (" __DATE__
")\n"
440 "Usage: tig [options] [revs] [--] [paths]\n"
441 " or: tig show [options] [revs] [--] [paths]\n"
442 " or: tig blame [rev] path\n"
444 " or: tig < [git command output]\n"
447 " -v, --version Show version and exit\n"
448 " -h, --help Show help message and exit";
450 /* Option and state variables. */
451 static bool opt_date
= TRUE
;
452 static bool opt_author
= TRUE
;
453 static bool opt_line_number
= FALSE
;
454 static bool opt_line_graphics
= TRUE
;
455 static bool opt_rev_graph
= FALSE
;
456 static bool opt_show_refs
= TRUE
;
457 static int opt_num_interval
= NUMBER_INTERVAL
;
458 static int opt_tab_size
= TAB_SIZE
;
459 static int opt_author_cols
= AUTHOR_COLS
-1;
460 static char opt_cmd
[SIZEOF_STR
] = "";
461 static char opt_path
[SIZEOF_STR
] = "";
462 static char opt_file
[SIZEOF_STR
] = "";
463 static char opt_ref
[SIZEOF_REF
] = "";
464 static char opt_head
[SIZEOF_REF
] = "";
465 static char opt_remote
[SIZEOF_REF
] = "";
466 static bool opt_no_head
= TRUE
;
467 static FILE *opt_pipe
= NULL
;
468 static char opt_encoding
[20] = "UTF-8";
469 static bool opt_utf8
= TRUE
;
470 static char opt_codeset
[20] = "UTF-8";
471 static iconv_t opt_iconv
= ICONV_NONE
;
472 static char opt_search
[SIZEOF_STR
] = "";
473 static char opt_cdup
[SIZEOF_STR
] = "";
474 static char opt_git_dir
[SIZEOF_STR
] = "";
475 static signed char opt_is_inside_work_tree
= -1; /* set to TRUE or FALSE */
476 static char opt_editor
[SIZEOF_STR
] = "";
479 parse_options(int argc
, char *argv
[])
481 enum request request
= REQ_VIEW_MAIN
;
484 bool seen_dashdash
= FALSE
;
487 if (!isatty(STDIN_FILENO
)) {
489 return REQ_VIEW_PAGER
;
493 return REQ_VIEW_MAIN
;
495 subcommand
= argv
[1];
496 if (!strcmp(subcommand
, "status") || !strcmp(subcommand
, "-S")) {
497 if (!strcmp(subcommand
, "-S"))
498 warn("`-S' has been deprecated; use `tig status' instead");
500 warn("ignoring arguments after `%s'", subcommand
);
501 return REQ_VIEW_STATUS
;
503 } else if (!strcmp(subcommand
, "blame")) {
504 if (argc
<= 2 || argc
> 4)
505 die("invalid number of options to blame\n\n%s", usage
);
509 string_ncopy(opt_ref
, argv
[i
], strlen(argv
[i
]));
513 string_ncopy(opt_file
, argv
[i
], strlen(argv
[i
]));
514 return REQ_VIEW_BLAME
;
516 } else if (!strcmp(subcommand
, "show")) {
517 request
= REQ_VIEW_DIFF
;
519 } else if (!strcmp(subcommand
, "log") || !strcmp(subcommand
, "diff")) {
520 request
= subcommand
[0] == 'l' ? REQ_VIEW_LOG
: REQ_VIEW_DIFF
;
521 warn("`tig %s' has been deprecated", subcommand
);
528 /* XXX: This is vulnerable to the user overriding
529 * options required for the main view parser. */
530 string_copy(opt_cmd
, TIG_MAIN_BASE
);
532 string_format(opt_cmd
, "git %s", subcommand
);
534 buf_size
= strlen(opt_cmd
);
536 for (i
= 1 + !!subcommand
; i
< argc
; i
++) {
539 if (seen_dashdash
|| !strcmp(opt
, "--")) {
540 seen_dashdash
= TRUE
;
542 } else if (!strcmp(opt
, "-v") || !strcmp(opt
, "--version")) {
543 printf("tig version %s\n", TIG_VERSION
);
546 } else if (!strcmp(opt
, "-h") || !strcmp(opt
, "--help")) {
547 printf("%s\n", usage
);
551 opt_cmd
[buf_size
++] = ' ';
552 buf_size
= sq_quote(opt_cmd
, buf_size
, opt
);
553 if (buf_size
>= sizeof(opt_cmd
))
554 die("command too long");
557 opt_cmd
[buf_size
] = 0;
564 * Line-oriented content detection.
568 LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
569 LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
570 LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \
571 LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \
572 LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \
573 LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
574 LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
575 LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
576 LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
577 LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
578 LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
579 LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
580 LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
581 LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
582 LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \
583 LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
584 LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \
585 LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
586 LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
587 LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
588 LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \
589 LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \
590 LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \
591 LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
592 LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \
593 LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
594 LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
595 LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
596 LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
597 LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \
598 LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
599 LINE(DELIMITER, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
600 LINE(DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \
601 LINE(LINE_NUMBER, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
602 LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \
603 LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \
604 LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
605 LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
606 LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \
607 LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
608 LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
609 LINE(MAIN_TRACKED, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \
610 LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
611 LINE(MAIN_HEAD, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \
612 LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
613 LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
614 LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
615 LINE(STAT_HEAD, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
616 LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
617 LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
618 LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
619 LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
620 LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
621 LINE(BLAME_ID, "", COLOR_MAGENTA, COLOR_DEFAULT, 0)
624 #define LINE(type, line, fg, bg, attr) \
632 const char *name
; /* Option name. */
633 int namelen
; /* Size of option name. */
634 const char *line
; /* The start of line to match. */
635 int linelen
; /* Size of string to match. */
636 int fg
, bg
, attr
; /* Color and text attributes for the lines. */
639 static struct line_info line_info
[] = {
640 #define LINE(type, line, fg, bg, attr) \
641 { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) }
646 static enum line_type
647 get_line_type(char *line
)
649 int linelen
= strlen(line
);
652 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++)
653 /* Case insensitive search matches Signed-off-by lines better. */
654 if (linelen
>= line_info
[type
].linelen
&&
655 !strncasecmp(line_info
[type
].line
, line
, line_info
[type
].linelen
))
662 get_line_attr(enum line_type type
)
664 assert(type
< ARRAY_SIZE(line_info
));
665 return COLOR_PAIR(type
) | line_info
[type
].attr
;
668 static struct line_info
*
669 get_line_info(char *name
)
671 size_t namelen
= strlen(name
);
674 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++)
675 if (namelen
== line_info
[type
].namelen
&&
676 !string_enum_compare(line_info
[type
].name
, name
, namelen
))
677 return &line_info
[type
];
685 int default_bg
= line_info
[LINE_DEFAULT
].bg
;
686 int default_fg
= line_info
[LINE_DEFAULT
].fg
;
691 if (assume_default_colors(default_fg
, default_bg
) == ERR
) {
692 default_bg
= COLOR_BLACK
;
693 default_fg
= COLOR_WHITE
;
696 for (type
= 0; type
< ARRAY_SIZE(line_info
); type
++) {
697 struct line_info
*info
= &line_info
[type
];
698 int bg
= info
->bg
== COLOR_DEFAULT
? default_bg
: info
->bg
;
699 int fg
= info
->fg
== COLOR_DEFAULT
? default_fg
: info
->fg
;
701 init_pair(type
, fg
, bg
);
709 unsigned int selected
:1;
710 unsigned int dirty
:1;
712 void *data
; /* User data */
722 enum request request
;
723 struct keybinding
*next
;
726 static struct keybinding default_keybindings
[] = {
728 { 'm', REQ_VIEW_MAIN
},
729 { 'd', REQ_VIEW_DIFF
},
730 { 'l', REQ_VIEW_LOG
},
731 { 't', REQ_VIEW_TREE
},
732 { 'f', REQ_VIEW_BLOB
},
733 { 'B', REQ_VIEW_BLAME
},
734 { 'p', REQ_VIEW_PAGER
},
735 { 'h', REQ_VIEW_HELP
},
736 { 'S', REQ_VIEW_STATUS
},
737 { 'c', REQ_VIEW_STAGE
},
739 /* View manipulation */
740 { 'q', REQ_VIEW_CLOSE
},
741 { KEY_TAB
, REQ_VIEW_NEXT
},
742 { KEY_RETURN
, REQ_ENTER
},
743 { KEY_UP
, REQ_PREVIOUS
},
744 { KEY_DOWN
, REQ_NEXT
},
745 { 'R', REQ_REFRESH
},
746 { KEY_F(5), REQ_REFRESH
},
747 { 'O', REQ_MAXIMIZE
},
749 /* Cursor navigation */
750 { 'k', REQ_MOVE_UP
},
751 { 'j', REQ_MOVE_DOWN
},
752 { KEY_HOME
, REQ_MOVE_FIRST_LINE
},
753 { KEY_END
, REQ_MOVE_LAST_LINE
},
754 { KEY_NPAGE
, REQ_MOVE_PAGE_DOWN
},
755 { ' ', REQ_MOVE_PAGE_DOWN
},
756 { KEY_PPAGE
, REQ_MOVE_PAGE_UP
},
757 { 'b', REQ_MOVE_PAGE_UP
},
758 { '-', REQ_MOVE_PAGE_UP
},
761 { KEY_IC
, REQ_SCROLL_LINE_UP
},
762 { KEY_DC
, REQ_SCROLL_LINE_DOWN
},
763 { 'w', REQ_SCROLL_PAGE_UP
},
764 { 's', REQ_SCROLL_PAGE_DOWN
},
768 { '?', REQ_SEARCH_BACK
},
769 { 'n', REQ_FIND_NEXT
},
770 { 'N', REQ_FIND_PREV
},
774 { 'z', REQ_STOP_LOADING
},
775 { 'v', REQ_SHOW_VERSION
},
776 { 'r', REQ_SCREEN_REDRAW
},
777 { '.', REQ_TOGGLE_LINENO
},
778 { 'D', REQ_TOGGLE_DATE
},
779 { 'A', REQ_TOGGLE_AUTHOR
},
780 { 'g', REQ_TOGGLE_REV_GRAPH
},
781 { 'F', REQ_TOGGLE_REFS
},
783 { 'u', REQ_STATUS_UPDATE
},
784 { '!', REQ_STATUS_CHECKOUT
},
785 { 'M', REQ_STATUS_MERGE
},
786 { '@', REQ_STAGE_NEXT
},
787 { ',', REQ_TREE_PARENT
},
790 /* Using the ncurses SIGWINCH handler. */
791 { KEY_RESIZE
, REQ_SCREEN_RESIZE
},
794 #define KEYMAP_INFO \
808 #define KEYMAP_(name) KEYMAP_##name
813 static struct int_map keymap_table
[] = {
814 #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name }
819 #define set_keymap(map, name) \
820 set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name))
822 static struct keybinding
*keybindings
[ARRAY_SIZE(keymap_table
)];
825 add_keybinding(enum keymap keymap
, enum request request
, int key
)
827 struct keybinding
*keybinding
;
829 keybinding
= calloc(1, sizeof(*keybinding
));
831 die("Failed to allocate keybinding");
833 keybinding
->alias
= key
;
834 keybinding
->request
= request
;
835 keybinding
->next
= keybindings
[keymap
];
836 keybindings
[keymap
] = keybinding
;
839 /* Looks for a key binding first in the given map, then in the generic map, and
840 * lastly in the default keybindings. */
842 get_keybinding(enum keymap keymap
, int key
)
844 struct keybinding
*kbd
;
847 for (kbd
= keybindings
[keymap
]; kbd
; kbd
= kbd
->next
)
848 if (kbd
->alias
== key
)
851 for (kbd
= keybindings
[KEYMAP_GENERIC
]; kbd
; kbd
= kbd
->next
)
852 if (kbd
->alias
== key
)
855 for (i
= 0; i
< ARRAY_SIZE(default_keybindings
); i
++)
856 if (default_keybindings
[i
].alias
== key
)
857 return default_keybindings
[i
].request
;
859 return (enum request
) key
;
868 static struct key key_table
[] = {
869 { "Enter", KEY_RETURN
},
871 { "Backspace", KEY_BACKSPACE
},
873 { "Escape", KEY_ESC
},
874 { "Left", KEY_LEFT
},
875 { "Right", KEY_RIGHT
},
877 { "Down", KEY_DOWN
},
878 { "Insert", KEY_IC
},
879 { "Delete", KEY_DC
},
881 { "Home", KEY_HOME
},
883 { "PageUp", KEY_PPAGE
},
884 { "PageDown", KEY_NPAGE
},
894 { "F10", KEY_F(10) },
895 { "F11", KEY_F(11) },
896 { "F12", KEY_F(12) },
900 get_key_value(const char *name
)
904 for (i
= 0; i
< ARRAY_SIZE(key_table
); i
++)
905 if (!strcasecmp(key_table
[i
].name
, name
))
906 return key_table
[i
].value
;
908 if (strlen(name
) == 1 && isprint(*name
))
915 get_key_name(int key_value
)
917 static char key_char
[] = "'X'";
921 for (key
= 0; key
< ARRAY_SIZE(key_table
); key
++)
922 if (key_table
[key
].value
== key_value
)
923 seq
= key_table
[key
].name
;
927 isprint(key_value
)) {
928 key_char
[1] = (char) key_value
;
932 return seq
? seq
: "'?'";
936 get_key(enum request request
)
938 static char buf
[BUFSIZ
];
945 for (i
= 0; i
< ARRAY_SIZE(default_keybindings
); i
++) {
946 struct keybinding
*keybinding
= &default_keybindings
[i
];
948 if (keybinding
->request
!= request
)
951 if (!string_format_from(buf
, &pos
, "%s%s", sep
,
952 get_key_name(keybinding
->alias
)))
953 return "Too many keybindings!";
963 char cmd
[SIZEOF_STR
];
966 static struct run_request
*run_request
;
967 static size_t run_requests
;
970 add_run_request(enum keymap keymap
, int key
, int argc
, char **argv
)
972 struct run_request
*req
;
973 char cmd
[SIZEOF_STR
];
976 for (bufpos
= 0; argc
> 0; argc
--, argv
++)
977 if (!string_format_from(cmd
, &bufpos
, "%s ", *argv
))
980 req
= realloc(run_request
, (run_requests
+ 1) * sizeof(*run_request
));
985 req
= &run_request
[run_requests
++];
986 string_copy(req
->cmd
, cmd
);
987 req
->keymap
= keymap
;
990 return REQ_NONE
+ run_requests
;
993 static struct run_request
*
994 get_run_request(enum request request
)
996 if (request
<= REQ_NONE
)
998 return &run_request
[request
- REQ_NONE
- 1];
1002 add_builtin_run_requests(void)
1009 { KEYMAP_MAIN
, 'C', { "git cherry-pick %(commit)" } },
1010 { KEYMAP_GENERIC
, 'G', { "git gc" } },
1014 for (i
= 0; i
< ARRAY_SIZE(reqs
); i
++) {
1017 req
= add_run_request(reqs
[i
].keymap
, reqs
[i
].key
, 1, reqs
[i
].argv
);
1018 if (req
!= REQ_NONE
)
1019 add_keybinding(reqs
[i
].keymap
, req
, reqs
[i
].key
);
1024 * User config file handling.
1027 static struct int_map color_map
[] = {
1028 #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name }
1040 #define set_color(color, name) \
1041 set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name))
1043 static struct int_map attr_map
[] = {
1044 #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name }
1051 ATTR_MAP(UNDERLINE
),
1054 #define set_attribute(attr, name) \
1055 set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name))
1057 static int config_lineno
;
1058 static bool config_errors
;
1059 static char *config_msg
;
1061 /* Wants: object fgcolor bgcolor [attr] */
1063 option_color_command(int argc
, char *argv
[])
1065 struct line_info
*info
;
1067 if (argc
!= 3 && argc
!= 4) {
1068 config_msg
= "Wrong number of arguments given to color command";
1072 info
= get_line_info(argv
[0]);
1074 if (!string_enum_compare(argv
[0], "main-delim", strlen("main-delim"))) {
1075 info
= get_line_info("delimiter");
1077 } else if (!string_enum_compare(argv
[0], "main-date", strlen("main-date"))) {
1078 info
= get_line_info("date");
1081 config_msg
= "Unknown color name";
1086 if (set_color(&info
->fg
, argv
[1]) == ERR
||
1087 set_color(&info
->bg
, argv
[2]) == ERR
) {
1088 config_msg
= "Unknown color";
1092 if (argc
== 4 && set_attribute(&info
->attr
, argv
[3]) == ERR
) {
1093 config_msg
= "Unknown attribute";
1100 static bool parse_bool(const char *s
)
1102 return (!strcmp(s
, "1") || !strcmp(s
, "true") ||
1103 !strcmp(s
, "yes")) ? TRUE
: FALSE
;
1107 parse_int(const char *s
, int default_value
, int min
, int max
)
1109 int value
= atoi(s
);
1111 return (value
< min
|| value
> max
) ? default_value
: value
;
1114 /* Wants: name = value */
1116 option_set_command(int argc
, char *argv
[])
1119 config_msg
= "Wrong number of arguments given to set command";
1123 if (strcmp(argv
[1], "=")) {
1124 config_msg
= "No value assigned";
1128 if (!strcmp(argv
[0], "show-author")) {
1129 opt_author
= parse_bool(argv
[2]);
1133 if (!strcmp(argv
[0], "show-date")) {
1134 opt_date
= parse_bool(argv
[2]);
1138 if (!strcmp(argv
[0], "show-rev-graph")) {
1139 opt_rev_graph
= parse_bool(argv
[2]);
1143 if (!strcmp(argv
[0], "show-refs")) {
1144 opt_show_refs
= parse_bool(argv
[2]);
1148 if (!strcmp(argv
[0], "show-line-numbers")) {
1149 opt_line_number
= parse_bool(argv
[2]);
1153 if (!strcmp(argv
[0], "line-graphics")) {
1154 opt_line_graphics
= parse_bool(argv
[2]);
1158 if (!strcmp(argv
[0], "line-number-interval")) {
1159 opt_num_interval
= parse_int(argv
[2], opt_num_interval
, 1, 1024);
1163 if (!strcmp(argv
[0], "author-width")) {
1164 opt_author_cols
= parse_int(argv
[2], opt_author_cols
, 0, 1024);
1168 if (!strcmp(argv
[0], "tab-size")) {
1169 opt_tab_size
= parse_int(argv
[2], opt_tab_size
, 1, 1024);
1173 if (!strcmp(argv
[0], "commit-encoding")) {
1174 char *arg
= argv
[2];
1175 int delimiter
= *arg
;
1178 switch (delimiter
) {
1181 for (arg
++, i
= 0; arg
[i
]; i
++)
1182 if (arg
[i
] == delimiter
) {
1187 string_ncopy(opt_encoding
, arg
, strlen(arg
));
1192 config_msg
= "Unknown variable name";
1196 /* Wants: mode request key */
1198 option_bind_command(int argc
, char *argv
[])
1200 enum request request
;
1205 config_msg
= "Wrong number of arguments given to bind command";
1209 if (set_keymap(&keymap
, argv
[0]) == ERR
) {
1210 config_msg
= "Unknown key map";
1214 key
= get_key_value(argv
[1]);
1216 config_msg
= "Unknown key";
1220 request
= get_request(argv
[2]);
1221 if (request
== REQ_NONE
) {
1222 const char *obsolete
[] = { "cherry-pick" };
1223 size_t namelen
= strlen(argv
[2]);
1226 for (i
= 0; i
< ARRAY_SIZE(obsolete
); i
++) {
1227 if (namelen
== strlen(obsolete
[i
]) &&
1228 !string_enum_compare(obsolete
[i
], argv
[2], namelen
)) {
1229 config_msg
= "Obsolete request name";
1234 if (request
== REQ_NONE
&& *argv
[2]++ == '!')
1235 request
= add_run_request(keymap
, key
, argc
- 2, argv
+ 2);
1236 if (request
== REQ_NONE
) {
1237 config_msg
= "Unknown request name";
1241 add_keybinding(keymap
, request
, key
);
1247 set_option(char *opt
, char *value
)
1254 while (argc
< ARRAY_SIZE(argv
) && (valuelen
= strcspn(value
, " \t"))) {
1255 argv
[argc
++] = value
;
1258 /* Nothing more to tokenize or last available token. */
1259 if (!*value
|| argc
>= ARRAY_SIZE(argv
))
1263 while (isspace(*value
))
1267 if (!strcmp(opt
, "color"))
1268 return option_color_command(argc
, argv
);
1270 if (!strcmp(opt
, "set"))
1271 return option_set_command(argc
, argv
);
1273 if (!strcmp(opt
, "bind"))
1274 return option_bind_command(argc
, argv
);
1276 config_msg
= "Unknown option command";
1281 read_option(char *opt
, size_t optlen
, char *value
, size_t valuelen
)
1286 config_msg
= "Internal error";
1288 /* Check for comment markers, since read_properties() will
1289 * only ensure opt and value are split at first " \t". */
1290 optlen
= strcspn(opt
, "#");
1294 if (opt
[optlen
] != 0) {
1295 config_msg
= "No option value";
1299 /* Look for comment endings in the value. */
1300 size_t len
= strcspn(value
, "#");
1302 if (len
< valuelen
) {
1304 value
[valuelen
] = 0;
1307 status
= set_option(opt
, value
);
1310 if (status
== ERR
) {
1311 fprintf(stderr
, "Error on line %d, near '%.*s': %s\n",
1312 config_lineno
, (int) optlen
, opt
, config_msg
);
1313 config_errors
= TRUE
;
1316 /* Always keep going if errors are encountered. */
1321 load_option_file(const char *path
)
1325 /* It's ok that the file doesn't exist. */
1326 file
= fopen(path
, "r");
1331 config_errors
= FALSE
;
1333 if (read_properties(file
, " \t", read_option
) == ERR
||
1334 config_errors
== TRUE
)
1335 fprintf(stderr
, "Errors while loading %s.\n", path
);
1341 char *home
= getenv("HOME");
1342 char *tigrc_user
= getenv("TIGRC_USER");
1343 char *tigrc_system
= getenv("TIGRC_SYSTEM");
1344 char buf
[SIZEOF_STR
];
1346 add_builtin_run_requests();
1348 if (!tigrc_system
) {
1349 if (!string_format(buf
, "%s/tigrc", SYSCONFDIR
))
1353 load_option_file(tigrc_system
);
1356 if (!home
|| !string_format(buf
, "%s/.tigrc", home
))
1360 load_option_file(tigrc_user
);
1373 /* The display array of active views and the index of the current view. */
1374 static struct view
*display
[2];
1375 static unsigned int current_view
;
1377 /* Reading from the prompt? */
1378 static bool input_mode
= FALSE
;
1380 #define foreach_displayed_view(view, i) \
1381 for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++)
1383 #define displayed_views() (display[1] != NULL ? 2 : 1)
1385 /* Current head and commit ID */
1386 static char ref_blob
[SIZEOF_REF
] = "";
1387 static char ref_commit
[SIZEOF_REF
] = "HEAD";
1388 static char ref_head
[SIZEOF_REF
] = "HEAD";
1391 const char *name
; /* View name */
1392 const char *cmd_fmt
; /* Default command line format */
1393 const char *cmd_env
; /* Command line set via environment */
1394 const char *id
; /* Points to either of ref_{head,commit,blob} */
1396 struct view_ops
*ops
; /* View operations */
1398 enum keymap keymap
; /* What keymap does this view have */
1399 bool git_dir
; /* Whether the view requires a git directory. */
1401 char cmd
[SIZEOF_STR
]; /* Command buffer */
1402 char ref
[SIZEOF_REF
]; /* Hovered commit reference */
1403 char vid
[SIZEOF_REF
]; /* View ID. Set to id member when updating. */
1405 int height
, width
; /* The width and height of the main window */
1406 WINDOW
*win
; /* The main window */
1407 WINDOW
*title
; /* The title window living below the main window */
1410 unsigned long offset
; /* Offset of the window top */
1411 unsigned long lineno
; /* Current line number */
1414 char grep
[SIZEOF_STR
]; /* Search string */
1415 regex_t
*regex
; /* Pre-compiled regex */
1417 /* If non-NULL, points to the view that opened this view. If this view
1418 * is closed tig will switch back to the parent view. */
1419 struct view
*parent
;
1422 size_t lines
; /* Total number of lines */
1423 struct line
*line
; /* Line index */
1424 size_t line_alloc
; /* Total number of allocated lines */
1425 size_t line_size
; /* Total number of used lines */
1426 unsigned int digits
; /* Number of digits in the lines member. */
1429 struct line
*curline
; /* Line currently being drawn. */
1430 enum line_type curtype
; /* Attribute currently used for drawing. */
1431 unsigned long col
; /* Column when drawing. */
1439 /* What type of content being displayed. Used in the title bar. */
1441 /* Open and reads in all view content. */
1442 bool (*open
)(struct view
*view
);
1443 /* Read one line; updates view->line. */
1444 bool (*read
)(struct view
*view
, char *data
);
1445 /* Draw one line; @lineno must be < view->height. */
1446 bool (*draw
)(struct view
*view
, struct line
*line
, unsigned int lineno
);
1447 /* Depending on view handle a special requests. */
1448 enum request (*request
)(struct view
*view
, enum request request
, struct line
*line
);
1449 /* Search for regex in a line. */
1450 bool (*grep
)(struct view
*view
, struct line
*line
);
1452 void (*select
)(struct view
*view
, struct line
*line
);
1455 static struct view_ops pager_ops
;
1456 static struct view_ops main_ops
;
1457 static struct view_ops tree_ops
;
1458 static struct view_ops blob_ops
;
1459 static struct view_ops blame_ops
;
1460 static struct view_ops help_ops
;
1461 static struct view_ops status_ops
;
1462 static struct view_ops stage_ops
;
1464 #define VIEW_STR(name, cmd, env, ref, ops, map, git) \
1465 { name, cmd, #env, ref, ops, map, git }
1467 #define VIEW_(id, name, ops, git, ref) \
1468 VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id, git)
1471 static struct view views
[] = {
1472 VIEW_(MAIN
, "main", &main_ops
, TRUE
, ref_head
),
1473 VIEW_(DIFF
, "diff", &pager_ops
, TRUE
, ref_commit
),
1474 VIEW_(LOG
, "log", &pager_ops
, TRUE
, ref_head
),
1475 VIEW_(TREE
, "tree", &tree_ops
, TRUE
, ref_commit
),
1476 VIEW_(BLOB
, "blob", &blob_ops
, TRUE
, ref_blob
),
1477 VIEW_(BLAME
, "blame", &blame_ops
, TRUE
, ref_commit
),
1478 VIEW_(HELP
, "help", &help_ops
, FALSE
, ""),
1479 VIEW_(PAGER
, "pager", &pager_ops
, FALSE
, "stdin"),
1480 VIEW_(STATUS
, "status", &status_ops
, TRUE
, ""),
1481 VIEW_(STAGE
, "stage", &stage_ops
, TRUE
, ""),
1484 #define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
1485 #define VIEW_REQ(view) ((view) - views + REQ_OFFSET + 1)
1487 #define foreach_view(view, i) \
1488 for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++)
1490 #define view_is_displayed(view) \
1491 (view == display[0] || view == display[1])
1498 static int line_graphics
[] = {
1499 /* LINE_GRAPHIC_VLINE: */ '|'
1503 set_view_attr(struct view
*view
, enum line_type type
)
1505 if (!view
->curline
->selected
&& view
->curtype
!= type
) {
1506 wattrset(view
->win
, get_line_attr(type
));
1507 wchgat(view
->win
, -1, 0, type
, NULL
);
1508 view
->curtype
= type
;
1513 draw_chars(struct view
*view
, enum line_type type
, const char *string
,
1514 int max_len
, bool use_tilde
)
1518 int trimmed
= FALSE
;
1524 len
= utf8_length(string
, &col
, max_len
, &trimmed
, use_tilde
);
1526 col
= len
= strlen(string
);
1527 if (len
> max_len
) {
1531 col
= len
= max_len
;
1536 set_view_attr(view
, type
);
1537 waddnstr(view
->win
, string
, len
);
1538 if (trimmed
&& use_tilde
) {
1539 set_view_attr(view
, LINE_DELIMITER
);
1540 waddch(view
->win
, '~');
1548 draw_space(struct view
*view
, enum line_type type
, int max
, int spaces
)
1550 static char space
[] = " ";
1553 spaces
= MIN(max
, spaces
);
1555 while (spaces
> 0) {
1556 int len
= MIN(spaces
, sizeof(space
) - 1);
1558 col
+= draw_chars(view
, type
, space
, spaces
, FALSE
);
1566 draw_lineno(struct view
*view
, unsigned int lineno
)
1569 int digits3
= view
->digits
< 3 ? 3 : view
->digits
;
1570 int max_number
= MIN(digits3
, STRING_SIZE(number
));
1571 int max
= view
->width
- view
->col
;
1574 if (max
< max_number
)
1577 lineno
+= view
->offset
+ 1;
1578 if (lineno
== 1 || (lineno
% opt_num_interval
) == 0) {
1579 static char fmt
[] = "%1ld";
1581 if (view
->digits
<= 9)
1582 fmt
[1] = '0' + digits3
;
1584 if (!string_format(number
, fmt
, lineno
))
1586 col
= draw_chars(view
, LINE_LINE_NUMBER
, number
, max_number
, TRUE
);
1588 col
= draw_space(view
, LINE_LINE_NUMBER
, max_number
, max_number
);
1592 set_view_attr(view
, LINE_DEFAULT
);
1593 waddch(view
->win
, line_graphics
[LINE_GRAPHIC_VLINE
]);
1598 col
+= draw_space(view
, LINE_DEFAULT
, max
- col
, 1);
1601 return view
->width
- view
->col
<= 0;
1605 draw_text(struct view
*view
, enum line_type type
, const char *string
, bool trim
)
1607 view
->col
+= draw_chars(view
, type
, string
, view
->width
- view
->col
, trim
);
1608 return view
->width
- view
->col
<= 0;
1612 draw_graphic(struct view
*view
, enum line_type type
, chtype graphic
[], size_t size
)
1614 int max
= view
->width
- view
->col
;
1620 set_view_attr(view
, type
);
1621 /* Using waddch() instead of waddnstr() ensures that
1622 * they'll be rendered correctly for the cursor line. */
1623 for (i
= 0; i
< size
; i
++)
1624 waddch(view
->win
, graphic
[i
]);
1628 waddch(view
->win
, ' ');
1632 return view
->width
- view
->col
<= 0;
1636 draw_field(struct view
*view
, enum line_type type
, char *text
, int len
, bool trim
)
1638 int max
= MIN(view
->width
- view
->col
, len
);
1642 col
= draw_chars(view
, type
, text
, max
- 1, trim
);
1644 col
= draw_space(view
, type
, max
- 1, max
- 1);
1646 view
->col
+= col
+ draw_space(view
, LINE_DEFAULT
, max
- col
, max
- col
);
1647 return view
->width
- view
->col
<= 0;
1651 draw_date(struct view
*view
, struct tm
*time
)
1653 char buf
[DATE_COLS
];
1658 timelen
= strftime(buf
, sizeof(buf
), DATE_FORMAT
, time
);
1659 date
= timelen
? buf
: NULL
;
1661 return draw_field(view
, LINE_DATE
, date
, DATE_COLS
, FALSE
);
1665 draw_view_line(struct view
*view
, unsigned int lineno
)
1668 bool selected
= (view
->offset
+ lineno
== view
->lineno
);
1671 assert(view_is_displayed(view
));
1673 if (view
->offset
+ lineno
>= view
->lines
)
1676 line
= &view
->line
[view
->offset
+ lineno
];
1678 wmove(view
->win
, lineno
, 0);
1680 view
->curline
= line
;
1681 view
->curtype
= LINE_NONE
;
1682 line
->selected
= FALSE
;
1685 set_view_attr(view
, LINE_CURSOR
);
1686 line
->selected
= TRUE
;
1687 view
->ops
->select(view
, line
);
1688 } else if (line
->selected
) {
1689 wclrtoeol(view
->win
);
1692 scrollok(view
->win
, FALSE
);
1693 draw_ok
= view
->ops
->draw(view
, line
, lineno
);
1694 scrollok(view
->win
, TRUE
);
1700 redraw_view_dirty(struct view
*view
)
1705 for (lineno
= 0; lineno
< view
->height
; lineno
++) {
1706 struct line
*line
= &view
->line
[view
->offset
+ lineno
];
1712 if (!draw_view_line(view
, lineno
))
1718 redrawwin(view
->win
);
1720 wnoutrefresh(view
->win
);
1722 wrefresh(view
->win
);
1726 redraw_view_from(struct view
*view
, int lineno
)
1728 assert(0 <= lineno
&& lineno
< view
->height
);
1730 for (; lineno
< view
->height
; lineno
++) {
1731 if (!draw_view_line(view
, lineno
))
1735 redrawwin(view
->win
);
1737 wnoutrefresh(view
->win
);
1739 wrefresh(view
->win
);
1743 redraw_view(struct view
*view
)
1746 redraw_view_from(view
, 0);
1751 update_view_title(struct view
*view
)
1753 char buf
[SIZEOF_STR
];
1754 char state
[SIZEOF_STR
];
1755 size_t bufpos
= 0, statelen
= 0;
1757 assert(view_is_displayed(view
));
1759 if (view
!= VIEW(REQ_VIEW_STATUS
) && (view
->lines
|| view
->pipe
)) {
1760 unsigned int view_lines
= view
->offset
+ view
->height
;
1761 unsigned int lines
= view
->lines
1762 ? MIN(view_lines
, view
->lines
) * 100 / view
->lines
1765 string_format_from(state
, &statelen
, "- %s %d of %d (%d%%)",
1772 time_t secs
= time(NULL
) - view
->start_time
;
1774 /* Three git seconds are a long time ... */
1776 string_format_from(state
, &statelen
, " %lds", secs
);
1780 string_format_from(buf
, &bufpos
, "[%s]", view
->name
);
1781 if (*view
->ref
&& bufpos
< view
->width
) {
1782 size_t refsize
= strlen(view
->ref
);
1783 size_t minsize
= bufpos
+ 1 + /* abbrev= */ 7 + 1 + statelen
;
1785 if (minsize
< view
->width
)
1786 refsize
= view
->width
- minsize
+ 7;
1787 string_format_from(buf
, &bufpos
, " %.*s", (int) refsize
, view
->ref
);
1790 if (statelen
&& bufpos
< view
->width
) {
1791 string_format_from(buf
, &bufpos
, " %s", state
);
1794 if (view
== display
[current_view
])
1795 wbkgdset(view
->title
, get_line_attr(LINE_TITLE_FOCUS
));
1797 wbkgdset(view
->title
, get_line_attr(LINE_TITLE_BLUR
));
1799 mvwaddnstr(view
->title
, 0, 0, buf
, bufpos
);
1800 wclrtoeol(view
->title
);
1801 wmove(view
->title
, 0, view
->width
- 1);
1804 wnoutrefresh(view
->title
);
1806 wrefresh(view
->title
);
1810 resize_display(void)
1813 struct view
*base
= display
[0];
1814 struct view
*view
= display
[1] ? display
[1] : display
[0];
1816 /* Setup window dimensions */
1818 getmaxyx(stdscr
, base
->height
, base
->width
);
1820 /* Make room for the status window. */
1824 /* Horizontal split. */
1825 view
->width
= base
->width
;
1826 view
->height
= SCALE_SPLIT_VIEW(base
->height
);
1827 base
->height
-= view
->height
;
1829 /* Make room for the title bar. */
1833 /* Make room for the title bar. */
1838 foreach_displayed_view (view
, i
) {
1840 view
->win
= newwin(view
->height
, 0, offset
, 0);
1842 die("Failed to create %s view", view
->name
);
1844 scrollok(view
->win
, TRUE
);
1846 view
->title
= newwin(1, 0, offset
+ view
->height
, 0);
1848 die("Failed to create title window");
1851 wresize(view
->win
, view
->height
, view
->width
);
1852 mvwin(view
->win
, offset
, 0);
1853 mvwin(view
->title
, offset
+ view
->height
, 0);
1856 offset
+= view
->height
+ 1;
1861 redraw_display(void)
1866 foreach_displayed_view (view
, i
) {
1868 update_view_title(view
);
1873 update_display_cursor(struct view
*view
)
1875 /* Move the cursor to the right-most column of the cursor line.
1877 * XXX: This could turn out to be a bit expensive, but it ensures that
1878 * the cursor does not jump around. */
1880 wmove(view
->win
, view
->lineno
- view
->offset
, view
->width
- 1);
1881 wrefresh(view
->win
);
1889 /* Scrolling backend */
1891 do_scroll_view(struct view
*view
, int lines
)
1893 bool redraw_current_line
= FALSE
;
1895 /* The rendering expects the new offset. */
1896 view
->offset
+= lines
;
1898 assert(0 <= view
->offset
&& view
->offset
< view
->lines
);
1901 /* Move current line into the view. */
1902 if (view
->lineno
< view
->offset
) {
1903 view
->lineno
= view
->offset
;
1904 redraw_current_line
= TRUE
;
1905 } else if (view
->lineno
>= view
->offset
+ view
->height
) {
1906 view
->lineno
= view
->offset
+ view
->height
- 1;
1907 redraw_current_line
= TRUE
;
1910 assert(view
->offset
<= view
->lineno
&& view
->lineno
< view
->lines
);
1912 /* Redraw the whole screen if scrolling is pointless. */
1913 if (view
->height
< ABS(lines
)) {
1917 int line
= lines
> 0 ? view
->height
- lines
: 0;
1918 int end
= line
+ ABS(lines
);
1920 wscrl(view
->win
, lines
);
1922 for (; line
< end
; line
++) {
1923 if (!draw_view_line(view
, line
))
1927 if (redraw_current_line
)
1928 draw_view_line(view
, view
->lineno
- view
->offset
);
1931 redrawwin(view
->win
);
1932 wrefresh(view
->win
);
1936 /* Scroll frontend */
1938 scroll_view(struct view
*view
, enum request request
)
1942 assert(view_is_displayed(view
));
1945 case REQ_SCROLL_PAGE_DOWN
:
1946 lines
= view
->height
;
1947 case REQ_SCROLL_LINE_DOWN
:
1948 if (view
->offset
+ lines
> view
->lines
)
1949 lines
= view
->lines
- view
->offset
;
1951 if (lines
== 0 || view
->offset
+ view
->height
>= view
->lines
) {
1952 report("Cannot scroll beyond the last line");
1957 case REQ_SCROLL_PAGE_UP
:
1958 lines
= view
->height
;
1959 case REQ_SCROLL_LINE_UP
:
1960 if (lines
> view
->offset
)
1961 lines
= view
->offset
;
1964 report("Cannot scroll beyond the first line");
1972 die("request %d not handled in switch", request
);
1975 do_scroll_view(view
, lines
);
1980 move_view(struct view
*view
, enum request request
)
1982 int scroll_steps
= 0;
1986 case REQ_MOVE_FIRST_LINE
:
1987 steps
= -view
->lineno
;
1990 case REQ_MOVE_LAST_LINE
:
1991 steps
= view
->lines
- view
->lineno
- 1;
1994 case REQ_MOVE_PAGE_UP
:
1995 steps
= view
->height
> view
->lineno
1996 ? -view
->lineno
: -view
->height
;
1999 case REQ_MOVE_PAGE_DOWN
:
2000 steps
= view
->lineno
+ view
->height
>= view
->lines
2001 ? view
->lines
- view
->lineno
- 1 : view
->height
;
2013 die("request %d not handled in switch", request
);
2016 if (steps
<= 0 && view
->lineno
== 0) {
2017 report("Cannot move beyond the first line");
2020 } else if (steps
>= 0 && view
->lineno
+ 1 >= view
->lines
) {
2021 report("Cannot move beyond the last line");
2025 /* Move the current line */
2026 view
->lineno
+= steps
;
2027 assert(0 <= view
->lineno
&& view
->lineno
< view
->lines
);
2029 /* Check whether the view needs to be scrolled */
2030 if (view
->lineno
< view
->offset
||
2031 view
->lineno
>= view
->offset
+ view
->height
) {
2032 scroll_steps
= steps
;
2033 if (steps
< 0 && -steps
> view
->offset
) {
2034 scroll_steps
= -view
->offset
;
2036 } else if (steps
> 0) {
2037 if (view
->lineno
== view
->lines
- 1 &&
2038 view
->lines
> view
->height
) {
2039 scroll_steps
= view
->lines
- view
->offset
- 1;
2040 if (scroll_steps
>= view
->height
)
2041 scroll_steps
-= view
->height
- 1;
2046 if (!view_is_displayed(view
)) {
2047 view
->offset
+= scroll_steps
;
2048 assert(0 <= view
->offset
&& view
->offset
< view
->lines
);
2049 view
->ops
->select(view
, &view
->line
[view
->lineno
]);
2053 /* Repaint the old "current" line if we be scrolling */
2054 if (ABS(steps
) < view
->height
)
2055 draw_view_line(view
, view
->lineno
- steps
- view
->offset
);
2058 do_scroll_view(view
, scroll_steps
);
2062 /* Draw the current line */
2063 draw_view_line(view
, view
->lineno
- view
->offset
);
2065 redrawwin(view
->win
);
2066 wrefresh(view
->win
);
2075 static void search_view(struct view
*view
, enum request request
);
2078 find_next_line(struct view
*view
, unsigned long lineno
, struct line
*line
)
2080 assert(view_is_displayed(view
));
2082 if (!view
->ops
->grep(view
, line
))
2085 if (lineno
- view
->offset
>= view
->height
) {
2086 view
->offset
= lineno
;
2087 view
->lineno
= lineno
;
2091 unsigned long old_lineno
= view
->lineno
- view
->offset
;
2093 view
->lineno
= lineno
;
2094 draw_view_line(view
, old_lineno
);
2096 draw_view_line(view
, view
->lineno
- view
->offset
);
2097 redrawwin(view
->win
);
2098 wrefresh(view
->win
);
2101 report("Line %ld matches '%s'", lineno
+ 1, view
->grep
);
2106 find_next(struct view
*view
, enum request request
)
2108 unsigned long lineno
= view
->lineno
;
2113 report("No previous search");
2115 search_view(view
, request
);
2125 case REQ_SEARCH_BACK
:
2134 if (request
== REQ_FIND_NEXT
|| request
== REQ_FIND_PREV
)
2135 lineno
+= direction
;
2137 /* Note, lineno is unsigned long so will wrap around in which case it
2138 * will become bigger than view->lines. */
2139 for (; lineno
< view
->lines
; lineno
+= direction
) {
2140 struct line
*line
= &view
->line
[lineno
];
2142 if (find_next_line(view
, lineno
, line
))
2146 report("No match found for '%s'", view
->grep
);
2150 search_view(struct view
*view
, enum request request
)
2155 regfree(view
->regex
);
2158 view
->regex
= calloc(1, sizeof(*view
->regex
));
2163 regex_err
= regcomp(view
->regex
, opt_search
, REG_EXTENDED
);
2164 if (regex_err
!= 0) {
2165 char buf
[SIZEOF_STR
] = "unknown error";
2167 regerror(regex_err
, view
->regex
, buf
, sizeof(buf
));
2168 report("Search failed: %s", buf
);
2172 string_copy(view
->grep
, opt_search
);
2174 find_next(view
, request
);
2178 * Incremental updating
2182 end_update(struct view
*view
, bool force
)
2186 while (!view
->ops
->read(view
, NULL
))
2189 set_nonblocking_input(FALSE
);
2190 if (view
->pipe
== stdin
)
2198 begin_update(struct view
*view
)
2201 string_copy(view
->cmd
, opt_cmd
);
2203 /* When running random commands, initially show the
2204 * command in the title. However, it maybe later be
2205 * overwritten if a commit line is selected. */
2206 if (view
== VIEW(REQ_VIEW_PAGER
))
2207 string_copy(view
->ref
, view
->cmd
);
2211 } else if (view
== VIEW(REQ_VIEW_TREE
)) {
2212 const char *format
= view
->cmd_env
? view
->cmd_env
: view
->cmd_fmt
;
2213 char path
[SIZEOF_STR
];
2215 if (strcmp(view
->vid
, view
->id
))
2216 opt_path
[0] = path
[0] = 0;
2217 else if (sq_quote(path
, 0, opt_path
) >= sizeof(path
))
2220 if (!string_format(view
->cmd
, format
, view
->id
, path
))
2224 const char *format
= view
->cmd_env
? view
->cmd_env
: view
->cmd_fmt
;
2225 const char *id
= view
->id
;
2227 if (!string_format(view
->cmd
, format
, id
, id
, id
, id
, id
))
2230 /* Put the current ref_* value to the view title ref
2231 * member. This is needed by the blob view. Most other
2232 * views sets it automatically after loading because the
2233 * first line is a commit line. */
2234 string_copy_rev(view
->ref
, view
->id
);
2237 /* Special case for the pager view. */
2239 view
->pipe
= opt_pipe
;
2242 view
->pipe
= popen(view
->cmd
, "r");
2248 set_nonblocking_input(TRUE
);
2253 string_copy_rev(view
->vid
, view
->id
);
2258 for (i
= 0; i
< view
->lines
; i
++)
2259 if (view
->line
[i
].data
)
2260 free(view
->line
[i
].data
);
2266 view
->start_time
= time(NULL
);
2271 #define ITEM_CHUNK_SIZE 256
2273 realloc_items(void *mem
, size_t *size
, size_t new_size
, size_t item_size
)
2275 size_t num_chunks
= *size
/ ITEM_CHUNK_SIZE
;
2276 size_t num_chunks_new
= (new_size
+ ITEM_CHUNK_SIZE
- 1) / ITEM_CHUNK_SIZE
;
2278 if (mem
== NULL
|| num_chunks
!= num_chunks_new
) {
2279 *size
= num_chunks_new
* ITEM_CHUNK_SIZE
;
2280 mem
= realloc(mem
, *size
* item_size
);
2286 static struct line
*
2287 realloc_lines(struct view
*view
, size_t line_size
)
2289 size_t alloc
= view
->line_alloc
;
2290 struct line
*tmp
= realloc_items(view
->line
, &alloc
, line_size
,
2291 sizeof(*view
->line
));
2297 view
->line_alloc
= alloc
;
2298 view
->line_size
= line_size
;
2303 update_view(struct view
*view
)
2305 char in_buffer
[BUFSIZ
];
2306 char out_buffer
[BUFSIZ
* 2];
2308 /* The number of lines to read. If too low it will cause too much
2309 * redrawing (and possible flickering), if too high responsiveness
2311 unsigned long lines
= view
->height
;
2312 int redraw_from
= -1;
2317 /* Only redraw if lines are visible. */
2318 if (view
->offset
+ view
->height
>= view
->lines
)
2319 redraw_from
= view
->lines
- view
->offset
;
2321 /* FIXME: This is probably not perfect for backgrounded views. */
2322 if (!realloc_lines(view
, view
->lines
+ lines
))
2325 while ((line
= fgets(in_buffer
, sizeof(in_buffer
), view
->pipe
))) {
2326 size_t linelen
= strlen(line
);
2329 line
[linelen
- 1] = 0;
2331 if (opt_iconv
!= ICONV_NONE
) {
2332 ICONV_CONST
char *inbuf
= line
;
2333 size_t inlen
= linelen
;
2335 char *outbuf
= out_buffer
;
2336 size_t outlen
= sizeof(out_buffer
);
2340 ret
= iconv(opt_iconv
, &inbuf
, &inlen
, &outbuf
, &outlen
);
2341 if (ret
!= (size_t) -1) {
2343 linelen
= strlen(out_buffer
);
2347 if (!view
->ops
->read(view
, line
))
2357 lines
= view
->lines
;
2358 for (digits
= 0; lines
; digits
++)
2361 /* Keep the displayed view in sync with line number scaling. */
2362 if (digits
!= view
->digits
) {
2363 view
->digits
= digits
;
2368 if (!view_is_displayed(view
))
2371 if (view
== VIEW(REQ_VIEW_TREE
)) {
2372 /* Clear the view and redraw everything since the tree sorting
2373 * might have rearranged things. */
2376 } else if (redraw_from
>= 0) {
2377 /* If this is an incremental update, redraw the previous line
2378 * since for commits some members could have changed when
2379 * loading the main view. */
2380 if (redraw_from
> 0)
2383 /* Since revision graph visualization requires knowledge
2384 * about the parent commit, it causes a further one-off
2385 * needed to be redrawn for incremental updates. */
2386 if (redraw_from
> 0 && opt_rev_graph
)
2389 /* Incrementally draw avoids flickering. */
2390 redraw_view_from(view
, redraw_from
);
2393 if (view
== VIEW(REQ_VIEW_BLAME
))
2394 redraw_view_dirty(view
);
2396 /* Update the title _after_ the redraw so that if the redraw picks up a
2397 * commit reference in view->ref it'll be available here. */
2398 update_view_title(view
);
2401 if (ferror(view
->pipe
) && errno
!= 0) {
2402 report("Failed to read: %s", strerror(errno
));
2403 end_update(view
, TRUE
);
2405 } else if (feof(view
->pipe
)) {
2407 end_update(view
, FALSE
);
2413 report("Allocation failure");
2414 end_update(view
, TRUE
);
2418 static struct line
*
2419 add_line_data(struct view
*view
, void *data
, enum line_type type
)
2421 struct line
*line
= &view
->line
[view
->lines
++];
2423 memset(line
, 0, sizeof(*line
));
2430 static struct line
*
2431 add_line_text(struct view
*view
, char *data
, enum line_type type
)
2434 data
= strdup(data
);
2436 return data
? add_line_data(view
, data
, type
) : NULL
;
2445 OPEN_DEFAULT
= 0, /* Use default view switching. */
2446 OPEN_SPLIT
= 1, /* Split current view. */
2447 OPEN_BACKGROUNDED
= 2, /* Backgrounded. */
2448 OPEN_RELOAD
= 4, /* Reload view even if it is the current. */
2449 OPEN_NOMAXIMIZE
= 8 /* Do not maximize the current view. */
2453 open_view(struct view
*prev
, enum request request
, enum open_flags flags
)
2455 bool backgrounded
= !!(flags
& OPEN_BACKGROUNDED
);
2456 bool split
= !!(flags
& OPEN_SPLIT
);
2457 bool reload
= !!(flags
& OPEN_RELOAD
);
2458 bool nomaximize
= !!(flags
& OPEN_NOMAXIMIZE
);
2459 struct view
*view
= VIEW(request
);
2460 int nviews
= displayed_views();
2461 struct view
*base_view
= display
[0];
2463 if (view
== prev
&& nviews
== 1 && !reload
) {
2464 report("Already in %s view", view
->name
);
2468 if (view
->git_dir
&& !opt_git_dir
[0]) {
2469 report("The %s view is disabled in pager view", view
->name
);
2477 } else if (!nomaximize
) {
2478 /* Maximize the current view. */
2479 memset(display
, 0, sizeof(display
));
2481 display
[current_view
] = view
;
2484 /* Resize the view when switching between split- and full-screen,
2485 * or when switching between two different full-screen views. */
2486 if (nviews
!= displayed_views() ||
2487 (nviews
== 1 && base_view
!= display
[0]))
2491 end_update(view
, TRUE
);
2493 if (view
->ops
->open
) {
2494 if (!view
->ops
->open(view
)) {
2495 report("Failed to load %s view", view
->name
);
2499 } else if ((reload
|| strcmp(view
->vid
, view
->id
)) &&
2500 !begin_update(view
)) {
2501 report("Failed to load %s view", view
->name
);
2505 if (split
&& prev
->lineno
- prev
->offset
>= prev
->height
) {
2506 /* Take the title line into account. */
2507 int lines
= prev
->lineno
- prev
->offset
- prev
->height
+ 1;
2509 /* Scroll the view that was split if the current line is
2510 * outside the new limited view. */
2511 do_scroll_view(prev
, lines
);
2514 if (prev
&& view
!= prev
) {
2515 if (split
&& !backgrounded
) {
2516 /* "Blur" the previous view. */
2517 update_view_title(prev
);
2520 view
->parent
= prev
;
2523 if (view
->pipe
&& view
->lines
== 0) {
2524 /* Clear the old view and let the incremental updating refill
2533 /* If the view is backgrounded the above calls to report()
2534 * won't redraw the view title. */
2536 update_view_title(view
);
2540 run_confirm(const char *cmd
, const char *prompt
)
2542 if (prompt_yesno(prompt
)) {
2548 open_external_viewer(const char *cmd
)
2550 def_prog_mode(); /* save current tty modes */
2551 endwin(); /* restore original tty modes */
2553 fprintf(stderr
, "Press Enter to continue");
2560 open_mergetool(const char *file
)
2562 char cmd
[SIZEOF_STR
];
2563 char file_sq
[SIZEOF_STR
];
2565 if (sq_quote(file_sq
, 0, file
) < sizeof(file_sq
) &&
2566 string_format(cmd
, "git mergetool %s", file_sq
)) {
2567 open_external_viewer(cmd
);
2572 open_editor(bool from_root
, const char *file
)
2574 char cmd
[SIZEOF_STR
];
2575 char file_sq
[SIZEOF_STR
];
2577 char *prefix
= from_root
? opt_cdup
: "";
2579 editor
= getenv("GIT_EDITOR");
2580 if (!editor
&& *opt_editor
)
2581 editor
= opt_editor
;
2583 editor
= getenv("VISUAL");
2585 editor
= getenv("EDITOR");
2589 if (sq_quote(file_sq
, 0, file
) < sizeof(file_sq
) &&
2590 string_format(cmd
, "%s %s%s", editor
, prefix
, file_sq
)) {
2591 open_external_viewer(cmd
);
2596 open_run_request(enum request request
)
2598 struct run_request
*req
= get_run_request(request
);
2599 char buf
[SIZEOF_STR
* 2];
2604 report("Unknown run request");
2612 char *next
= strstr(cmd
, "%(");
2613 int len
= next
- cmd
;
2620 } else if (!strncmp(next
, "%(head)", 7)) {
2623 } else if (!strncmp(next
, "%(commit)", 9)) {
2626 } else if (!strncmp(next
, "%(blob)", 7)) {
2630 report("Unknown replacement in run request: `%s`", req
->cmd
);
2634 if (!string_format_from(buf
, &bufpos
, "%.*s%s", len
, cmd
, value
))
2638 next
= strchr(next
, ')') + 1;
2642 open_external_viewer(buf
);
2646 * User request switch noodle
2650 view_driver(struct view
*view
, enum request request
)
2654 if (request
== REQ_NONE
) {
2659 if (request
> REQ_NONE
) {
2660 open_run_request(request
);
2661 /* FIXME: When all views can refresh always do this. */
2662 if (view
== VIEW(REQ_VIEW_STATUS
) ||
2663 view
== VIEW(REQ_VIEW_MAIN
) ||
2664 view
== VIEW(REQ_VIEW_STAGE
))
2665 request
= REQ_REFRESH
;
2670 if (view
&& view
->lines
) {
2671 request
= view
->ops
->request(view
, request
, &view
->line
[view
->lineno
]);
2672 if (request
== REQ_NONE
)
2679 case REQ_MOVE_PAGE_UP
:
2680 case REQ_MOVE_PAGE_DOWN
:
2681 case REQ_MOVE_FIRST_LINE
:
2682 case REQ_MOVE_LAST_LINE
:
2683 move_view(view
, request
);
2686 case REQ_SCROLL_LINE_DOWN
:
2687 case REQ_SCROLL_LINE_UP
:
2688 case REQ_SCROLL_PAGE_DOWN
:
2689 case REQ_SCROLL_PAGE_UP
:
2690 scroll_view(view
, request
);
2693 case REQ_VIEW_BLAME
:
2695 report("No file chosen, press %s to open tree view",
2696 get_key(REQ_VIEW_TREE
));
2699 open_view(view
, request
, OPEN_DEFAULT
);
2704 report("No file chosen, press %s to open tree view",
2705 get_key(REQ_VIEW_TREE
));
2708 open_view(view
, request
, OPEN_DEFAULT
);
2711 case REQ_VIEW_PAGER
:
2712 if (!opt_pipe
&& !VIEW(REQ_VIEW_PAGER
)->lines
) {
2713 report("No pager content, press %s to run command from prompt",
2714 get_key(REQ_PROMPT
));
2717 open_view(view
, request
, OPEN_DEFAULT
);
2720 case REQ_VIEW_STAGE
:
2721 if (!VIEW(REQ_VIEW_STAGE
)->lines
) {
2722 report("No stage content, press %s to open the status view and choose file",
2723 get_key(REQ_VIEW_STATUS
));
2726 open_view(view
, request
, OPEN_DEFAULT
);
2729 case REQ_VIEW_STATUS
:
2730 if (opt_is_inside_work_tree
== FALSE
) {
2731 report("The status view requires a working tree");
2734 open_view(view
, request
, OPEN_DEFAULT
);
2742 open_view(view
, request
, OPEN_DEFAULT
);
2747 request
= request
== REQ_NEXT
? REQ_MOVE_DOWN
: REQ_MOVE_UP
;
2749 if ((view
== VIEW(REQ_VIEW_DIFF
) &&
2750 view
->parent
== VIEW(REQ_VIEW_MAIN
)) ||
2751 (view
== VIEW(REQ_VIEW_DIFF
) &&
2752 view
->parent
== VIEW(REQ_VIEW_BLAME
)) ||
2753 (view
== VIEW(REQ_VIEW_STAGE
) &&
2754 view
->parent
== VIEW(REQ_VIEW_STATUS
)) ||
2755 (view
== VIEW(REQ_VIEW_BLOB
) &&
2756 view
->parent
== VIEW(REQ_VIEW_TREE
))) {
2759 view
= view
->parent
;
2760 line
= view
->lineno
;
2761 move_view(view
, request
);
2762 if (view_is_displayed(view
))
2763 update_view_title(view
);
2764 if (line
!= view
->lineno
)
2765 view
->ops
->request(view
, REQ_ENTER
,
2766 &view
->line
[view
->lineno
]);
2769 move_view(view
, request
);
2775 int nviews
= displayed_views();
2776 int next_view
= (current_view
+ 1) % nviews
;
2778 if (next_view
== current_view
) {
2779 report("Only one view is displayed");
2783 current_view
= next_view
;
2784 /* Blur out the title of the previous view. */
2785 update_view_title(view
);
2790 report("Refreshing is not yet supported for the %s view", view
->name
);
2794 if (displayed_views() == 2)
2795 open_view(view
, VIEW_REQ(view
), OPEN_DEFAULT
);
2798 case REQ_TOGGLE_LINENO
:
2799 opt_line_number
= !opt_line_number
;
2803 case REQ_TOGGLE_DATE
:
2804 opt_date
= !opt_date
;
2808 case REQ_TOGGLE_AUTHOR
:
2809 opt_author
= !opt_author
;
2813 case REQ_TOGGLE_REV_GRAPH
:
2814 opt_rev_graph
= !opt_rev_graph
;
2818 case REQ_TOGGLE_REFS
:
2819 opt_show_refs
= !opt_show_refs
;
2824 case REQ_SEARCH_BACK
:
2825 search_view(view
, request
);
2830 find_next(view
, request
);
2833 case REQ_STOP_LOADING
:
2834 for (i
= 0; i
< ARRAY_SIZE(views
); i
++) {
2837 report("Stopped loading the %s view", view
->name
),
2838 end_update(view
, TRUE
);
2842 case REQ_SHOW_VERSION
:
2843 report("tig-%s (built %s)", TIG_VERSION
, __DATE__
);
2846 case REQ_SCREEN_RESIZE
:
2849 case REQ_SCREEN_REDRAW
:
2854 report("Nothing to edit");
2858 report("Nothing to enter");
2861 case REQ_VIEW_CLOSE
:
2862 /* XXX: Mark closed views by letting view->parent point to the
2863 * view itself. Parents to closed view should never be
2866 view
->parent
->parent
!= view
->parent
) {
2867 memset(display
, 0, sizeof(display
));
2869 display
[current_view
] = view
->parent
;
2870 view
->parent
= view
;
2880 /* An unknown key will show most commonly used commands. */
2881 report("Unknown key, press 'h' for help");
2894 pager_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
2896 char *text
= line
->data
;
2898 if (opt_line_number
&& draw_lineno(view
, lineno
))
2901 draw_text(view
, line
->type
, text
, TRUE
);
2906 add_describe_ref(char *buf
, size_t *bufpos
, char *commit_id
, const char *sep
)
2908 char refbuf
[SIZEOF_STR
];
2912 if (!string_format(refbuf
, "git describe %s 2>/dev/null", commit_id
))
2915 pipe
= popen(refbuf
, "r");
2919 if ((ref
= fgets(refbuf
, sizeof(refbuf
), pipe
)))
2920 ref
= chomp_string(ref
);
2926 /* This is the only fatal call, since it can "corrupt" the buffer. */
2927 if (!string_nformat(buf
, SIZEOF_STR
, bufpos
, "%s%s", sep
, ref
))
2934 add_pager_refs(struct view
*view
, struct line
*line
)
2936 char buf
[SIZEOF_STR
];
2937 char *commit_id
= (char *)line
->data
+ STRING_SIZE("commit ");
2939 size_t bufpos
= 0, refpos
= 0;
2940 const char *sep
= "Refs: ";
2941 bool is_tag
= FALSE
;
2943 assert(line
->type
== LINE_COMMIT
);
2945 refs
= get_refs(commit_id
);
2947 if (view
== VIEW(REQ_VIEW_DIFF
))
2948 goto try_add_describe_ref
;
2953 struct ref
*ref
= refs
[refpos
];
2954 char *fmt
= ref
->tag
? "%s[%s]" :
2955 ref
->remote
? "%s<%s>" : "%s%s";
2957 if (!string_format_from(buf
, &bufpos
, fmt
, sep
, ref
->name
))
2962 } while (refs
[refpos
++]->next
);
2964 if (!is_tag
&& view
== VIEW(REQ_VIEW_DIFF
)) {
2965 try_add_describe_ref
:
2966 /* Add <tag>-g<commit_id> "fake" reference. */
2967 if (!add_describe_ref(buf
, &bufpos
, commit_id
, sep
))
2974 if (!realloc_lines(view
, view
->line_size
+ 1))
2977 add_line_text(view
, buf
, LINE_PP_REFS
);
2981 pager_read(struct view
*view
, char *data
)
2988 line
= add_line_text(view
, data
, get_line_type(data
));
2992 if (line
->type
== LINE_COMMIT
&&
2993 (view
== VIEW(REQ_VIEW_DIFF
) ||
2994 view
== VIEW(REQ_VIEW_LOG
)))
2995 add_pager_refs(view
, line
);
3001 pager_request(struct view
*view
, enum request request
, struct line
*line
)
3005 if (request
!= REQ_ENTER
)
3008 if (line
->type
== LINE_COMMIT
&&
3009 (view
== VIEW(REQ_VIEW_LOG
) ||
3010 view
== VIEW(REQ_VIEW_PAGER
))) {
3011 open_view(view
, REQ_VIEW_DIFF
, OPEN_SPLIT
);
3015 /* Always scroll the view even if it was split. That way
3016 * you can use Enter to scroll through the log view and
3017 * split open each commit diff. */
3018 scroll_view(view
, REQ_SCROLL_LINE_DOWN
);
3020 /* FIXME: A minor workaround. Scrolling the view will call report("")
3021 * but if we are scrolling a non-current view this won't properly
3022 * update the view title. */
3024 update_view_title(view
);
3030 pager_grep(struct view
*view
, struct line
*line
)
3033 char *text
= line
->data
;
3038 if (regexec(view
->regex
, text
, 1, &pmatch
, 0) == REG_NOMATCH
)
3045 pager_select(struct view
*view
, struct line
*line
)
3047 if (line
->type
== LINE_COMMIT
) {
3048 char *text
= (char *)line
->data
+ STRING_SIZE("commit ");
3050 if (view
!= VIEW(REQ_VIEW_PAGER
))
3051 string_copy_rev(view
->ref
, text
);
3052 string_copy_rev(ref_commit
, text
);
3056 static struct view_ops pager_ops
= {
3072 help_open(struct view
*view
)
3075 int lines
= ARRAY_SIZE(req_info
) + 2;
3078 if (view
->lines
> 0)
3081 for (i
= 0; i
< ARRAY_SIZE(req_info
); i
++)
3082 if (!req_info
[i
].request
)
3085 lines
+= run_requests
+ 1;
3087 view
->line
= calloc(lines
, sizeof(*view
->line
));
3091 add_line_text(view
, "Quick reference for tig keybindings:", LINE_DEFAULT
);
3093 for (i
= 0; i
< ARRAY_SIZE(req_info
); i
++) {
3096 if (req_info
[i
].request
== REQ_NONE
)
3099 if (!req_info
[i
].request
) {
3100 add_line_text(view
, "", LINE_DEFAULT
);
3101 add_line_text(view
, req_info
[i
].help
, LINE_DEFAULT
);
3105 key
= get_key(req_info
[i
].request
);
3107 key
= "(no key defined)";
3109 if (!string_format(buf
, " %-25s %s", key
, req_info
[i
].help
))
3112 add_line_text(view
, buf
, LINE_DEFAULT
);
3116 add_line_text(view
, "", LINE_DEFAULT
);
3117 add_line_text(view
, "External commands:", LINE_DEFAULT
);
3120 for (i
= 0; i
< run_requests
; i
++) {
3121 struct run_request
*req
= get_run_request(REQ_NONE
+ i
+ 1);
3127 key
= get_key_name(req
->key
);
3129 key
= "(no key defined)";
3131 if (!string_format(buf
, " %-10s %-14s `%s`",
3132 keymap_table
[req
->keymap
].name
,
3136 add_line_text(view
, buf
, LINE_DEFAULT
);
3142 static struct view_ops help_ops
= {
3157 struct tree_stack_entry
{
3158 struct tree_stack_entry
*prev
; /* Entry below this in the stack */
3159 unsigned long lineno
; /* Line number to restore */
3160 char *name
; /* Position of name in opt_path */
3163 /* The top of the path stack. */
3164 static struct tree_stack_entry
*tree_stack
= NULL
;
3165 unsigned long tree_lineno
= 0;
3168 pop_tree_stack_entry(void)
3170 struct tree_stack_entry
*entry
= tree_stack
;
3172 tree_lineno
= entry
->lineno
;
3174 tree_stack
= entry
->prev
;
3179 push_tree_stack_entry(char *name
, unsigned long lineno
)
3181 struct tree_stack_entry
*entry
= calloc(1, sizeof(*entry
));
3182 size_t pathlen
= strlen(opt_path
);
3187 entry
->prev
= tree_stack
;
3188 entry
->name
= opt_path
+ pathlen
;
3191 if (!string_format_from(opt_path
, &pathlen
, "%s/", name
)) {
3192 pop_tree_stack_entry();
3196 /* Move the current line to the first tree entry. */
3198 entry
->lineno
= lineno
;
3201 /* Parse output from git-ls-tree(1):
3203 * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile
3204 * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README
3205 * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c
3206 * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf
3209 #define SIZEOF_TREE_ATTR \
3210 STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t")
3212 #define TREE_UP_FORMAT "040000 tree %s\t.."
3215 tree_compare_entry(enum line_type type1
, char *name1
,
3216 enum line_type type2
, char *name2
)
3218 if (type1
!= type2
) {
3219 if (type1
== LINE_TREE_DIR
)
3224 return strcmp(name1
, name2
);
3228 tree_path(struct line
*line
)
3230 char *path
= line
->data
;
3232 return path
+ SIZEOF_TREE_ATTR
;
3236 tree_read(struct view
*view
, char *text
)
3238 size_t textlen
= text
? strlen(text
) : 0;
3239 char buf
[SIZEOF_STR
];
3241 enum line_type type
;
3242 bool first_read
= view
->lines
== 0;
3246 if (textlen
<= SIZEOF_TREE_ATTR
)
3249 type
= text
[STRING_SIZE("100644 ")] == 't'
3250 ? LINE_TREE_DIR
: LINE_TREE_FILE
;
3253 /* Add path info line */
3254 if (!string_format(buf
, "Directory path /%s", opt_path
) ||
3255 !realloc_lines(view
, view
->line_size
+ 1) ||
3256 !add_line_text(view
, buf
, LINE_DEFAULT
))
3259 /* Insert "link" to parent directory. */
3261 if (!string_format(buf
, TREE_UP_FORMAT
, view
->ref
) ||
3262 !realloc_lines(view
, view
->line_size
+ 1) ||
3263 !add_line_text(view
, buf
, LINE_TREE_DIR
))
3268 /* Strip the path part ... */
3270 size_t pathlen
= textlen
- SIZEOF_TREE_ATTR
;
3271 size_t striplen
= strlen(opt_path
);
3272 char *path
= text
+ SIZEOF_TREE_ATTR
;
3274 if (pathlen
> striplen
)
3275 memmove(path
, path
+ striplen
,
3276 pathlen
- striplen
+ 1);
3279 /* Skip "Directory ..." and ".." line. */
3280 for (pos
= 1 + !!*opt_path
; pos
< view
->lines
; pos
++) {
3281 struct line
*line
= &view
->line
[pos
];
3282 char *path1
= tree_path(line
);
3283 char *path2
= text
+ SIZEOF_TREE_ATTR
;
3284 int cmp
= tree_compare_entry(line
->type
, path1
, type
, path2
);
3289 text
= strdup(text
);
3293 if (view
->lines
> pos
)
3294 memmove(&view
->line
[pos
+ 1], &view
->line
[pos
],
3295 (view
->lines
- pos
) * sizeof(*line
));
3297 line
= &view
->line
[pos
];
3304 if (!add_line_text(view
, text
, type
))
3307 if (tree_lineno
> view
->lineno
) {
3308 view
->lineno
= tree_lineno
;
3316 tree_request(struct view
*view
, enum request request
, struct line
*line
)
3318 enum open_flags flags
;
3320 if (request
== REQ_VIEW_BLAME
) {
3321 char *filename
= tree_path(line
);
3323 if (line
->type
== LINE_TREE_DIR
) {
3324 report("Cannot show blame for directory %s", opt_path
);
3328 string_copy(opt_ref
, view
->vid
);
3329 string_format(opt_file
, "%s%s", opt_path
, filename
);
3332 if (request
== REQ_TREE_PARENT
) {
3335 request
= REQ_ENTER
;
3336 line
= &view
->line
[1];
3338 /* quit view if at top of tree */
3339 return REQ_VIEW_CLOSE
;
3342 if (request
!= REQ_ENTER
)
3345 /* Cleanup the stack if the tree view is at a different tree. */
3346 while (!*opt_path
&& tree_stack
)
3347 pop_tree_stack_entry();
3349 switch (line
->type
) {
3351 /* Depending on whether it is a subdir or parent (updir?) link
3352 * mangle the path buffer. */
3353 if (line
== &view
->line
[1] && *opt_path
) {
3354 pop_tree_stack_entry();
3357 char *basename
= tree_path(line
);
3359 push_tree_stack_entry(basename
, view
->lineno
);
3362 /* Trees and subtrees share the same ID, so they are not not
3363 * unique like blobs. */
3364 flags
= OPEN_RELOAD
;
3365 request
= REQ_VIEW_TREE
;
3368 case LINE_TREE_FILE
:
3369 flags
= display
[0] == view
? OPEN_SPLIT
: OPEN_DEFAULT
;
3370 request
= REQ_VIEW_BLOB
;
3377 open_view(view
, request
, flags
);
3378 if (request
== REQ_VIEW_TREE
) {
3379 view
->lineno
= tree_lineno
;
3386 tree_select(struct view
*view
, struct line
*line
)
3388 char *text
= (char *)line
->data
+ STRING_SIZE("100644 blob ");
3390 if (line
->type
== LINE_TREE_FILE
) {
3391 string_copy_rev(ref_blob
, text
);
3393 } else if (line
->type
!= LINE_TREE_DIR
) {
3397 string_copy_rev(view
->ref
, text
);
3400 static struct view_ops tree_ops
= {
3411 blob_read(struct view
*view
, char *line
)
3415 return add_line_text(view
, line
, LINE_DEFAULT
) != NULL
;
3418 static struct view_ops blob_ops
= {
3431 * Loading the blame view is a two phase job:
3433 * 1. File content is read either using opt_file from the
3434 * filesystem or using git-cat-file.
3435 * 2. Then blame information is incrementally added by
3436 * reading output from git-blame.
3439 struct blame_commit
{
3440 char id
[SIZEOF_REV
]; /* SHA1 ID. */
3441 char title
[128]; /* First line of the commit message. */
3442 char author
[75]; /* Author of the commit. */
3443 struct tm time
; /* Date from the author ident. */
3444 char filename
[128]; /* Name of file. */
3448 struct blame_commit
*commit
;
3449 unsigned int header
:1;
3453 #define BLAME_CAT_FILE_CMD "git cat-file blob %s:%s"
3454 #define BLAME_INCREMENTAL_CMD "git blame --incremental %s %s"
3457 blame_open(struct view
*view
)
3459 char path
[SIZEOF_STR
];
3460 char ref
[SIZEOF_STR
] = "";
3462 if (sq_quote(path
, 0, opt_file
) >= sizeof(path
))
3465 if (*opt_ref
&& sq_quote(ref
, 0, opt_ref
) >= sizeof(ref
))
3469 if (!string_format(view
->cmd
, BLAME_CAT_FILE_CMD
, ref
, path
))
3472 view
->pipe
= fopen(opt_file
, "r");
3474 !string_format(view
->cmd
, BLAME_CAT_FILE_CMD
, "HEAD", path
))
3479 view
->pipe
= popen(view
->cmd
, "r");
3483 if (!string_format(view
->cmd
, BLAME_INCREMENTAL_CMD
, ref
, path
))
3486 string_format(view
->ref
, "%s ...", opt_file
);
3487 string_copy_rev(view
->vid
, opt_file
);
3488 set_nonblocking_input(TRUE
);
3493 for (i
= 0; i
< view
->lines
; i
++)
3494 free(view
->line
[i
].data
);
3498 view
->lines
= view
->line_alloc
= view
->line_size
= view
->lineno
= 0;
3499 view
->offset
= view
->lines
= view
->lineno
= 0;
3501 view
->start_time
= time(NULL
);
3506 static struct blame_commit
*
3507 get_blame_commit(struct view
*view
, const char *id
)
3511 for (i
= 0; i
< view
->lines
; i
++) {
3512 struct blame
*blame
= view
->line
[i
].data
;
3517 if (!strncmp(blame
->commit
->id
, id
, SIZEOF_REV
- 1))
3518 return blame
->commit
;
3522 struct blame_commit
*commit
= calloc(1, sizeof(*commit
));
3525 string_ncopy(commit
->id
, id
, SIZEOF_REV
);
3531 parse_number(char **posref
, size_t *number
, size_t min
, size_t max
)
3533 char *pos
= *posref
;
3536 pos
= strchr(pos
+ 1, ' ');
3537 if (!pos
|| !isdigit(pos
[1]))
3539 *number
= atoi(pos
+ 1);
3540 if (*number
< min
|| *number
> max
)
3547 static struct blame_commit
*
3548 parse_blame_commit(struct view
*view
, char *text
, int *blamed
)
3550 struct blame_commit
*commit
;
3551 struct blame
*blame
;
3552 char *pos
= text
+ SIZEOF_REV
- 1;
3556 if (strlen(text
) <= SIZEOF_REV
|| *pos
!= ' ')
3559 if (!parse_number(&pos
, &lineno
, 1, view
->lines
) ||
3560 !parse_number(&pos
, &group
, 1, view
->lines
- lineno
+ 1))
3563 commit
= get_blame_commit(view
, text
);
3569 struct line
*line
= &view
->line
[lineno
+ group
- 1];
3572 blame
->commit
= commit
;
3573 blame
->header
= !group
;
3581 blame_read_file(struct view
*view
, char *line
)
3586 if (view
->lines
> 0)
3587 pipe
= popen(view
->cmd
, "r");
3588 else if (!view
->parent
)
3589 die("No blame exist for %s", view
->vid
);
3592 report("Failed to load blame data");
3601 size_t linelen
= strlen(line
);
3602 struct blame
*blame
= malloc(sizeof(*blame
) + linelen
);
3604 blame
->commit
= NULL
;
3605 strncpy(blame
->text
, line
, linelen
);
3606 blame
->text
[linelen
] = 0;
3607 return add_line_data(view
, blame
, LINE_BLAME_ID
) != NULL
;
3612 match_blame_header(const char *name
, char **line
)
3614 size_t namelen
= strlen(name
);
3615 bool matched
= !strncmp(name
, *line
, namelen
);
3624 blame_read(struct view
*view
, char *line
)
3626 static struct blame_commit
*commit
= NULL
;
3627 static int blamed
= 0;
3628 static time_t author_time
;
3631 return blame_read_file(view
, line
);
3637 string_format(view
->ref
, "%s", view
->vid
);
3638 if (view_is_displayed(view
)) {
3639 update_view_title(view
);
3640 redraw_view_from(view
, 0);
3646 commit
= parse_blame_commit(view
, line
, &blamed
);
3647 string_format(view
->ref
, "%s %2d%%", view
->vid
,
3648 blamed
* 100 / view
->lines
);
3650 } else if (match_blame_header("author ", &line
)) {
3651 string_ncopy(commit
->author
, line
, strlen(line
));
3653 } else if (match_blame_header("author-time ", &line
)) {
3654 author_time
= (time_t) atol(line
);
3656 } else if (match_blame_header("author-tz ", &line
)) {
3659 tz
= ('0' - line
[1]) * 60 * 60 * 10;
3660 tz
+= ('0' - line
[2]) * 60 * 60;
3661 tz
+= ('0' - line
[3]) * 60;
3662 tz
+= ('0' - line
[4]) * 60;
3668 gmtime_r(&author_time
, &commit
->time
);
3670 } else if (match_blame_header("summary ", &line
)) {
3671 string_ncopy(commit
->title
, line
, strlen(line
));
3673 } else if (match_blame_header("filename ", &line
)) {
3674 string_ncopy(commit
->filename
, line
, strlen(line
));
3682 blame_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
3684 struct blame
*blame
= line
->data
;
3685 struct tm
*time
= NULL
;
3686 char *id
= NULL
, *author
= NULL
;
3688 if (blame
->commit
&& *blame
->commit
->filename
) {
3689 id
= blame
->commit
->id
;
3690 author
= blame
->commit
->author
;
3691 time
= &blame
->commit
->time
;
3694 if (opt_date
&& draw_date(view
, time
))
3698 draw_field(view
, LINE_MAIN_AUTHOR
, author
, opt_author_cols
, TRUE
))
3701 if (draw_field(view
, LINE_BLAME_ID
, id
, ID_COLS
, FALSE
))
3704 if (draw_lineno(view
, lineno
))
3707 draw_text(view
, LINE_DEFAULT
, blame
->text
, TRUE
);
3712 blame_request(struct view
*view
, enum request request
, struct line
*line
)
3714 enum open_flags flags
= display
[0] == view
? OPEN_SPLIT
: OPEN_DEFAULT
;
3715 struct blame
*blame
= line
->data
;
3719 if (!blame
->commit
) {
3720 report("No commit loaded yet");
3724 if (!strcmp(blame
->commit
->id
, NULL_ID
)) {
3725 char path
[SIZEOF_STR
];
3727 if (sq_quote(path
, 0, view
->vid
) >= sizeof(path
))
3729 string_format(opt_cmd
, "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s 2>/dev/null", path
);
3732 open_view(view
, REQ_VIEW_DIFF
, flags
);
3743 blame_grep(struct view
*view
, struct line
*line
)
3745 struct blame
*blame
= line
->data
;
3746 struct blame_commit
*commit
= blame
->commit
;
3749 #define MATCH(text, on) \
3750 (on && *text && regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH)
3753 char buf
[DATE_COLS
+ 1];
3755 if (MATCH(commit
->title
, 1) ||
3756 MATCH(commit
->author
, opt_author
) ||
3757 MATCH(commit
->id
, opt_date
))
3760 if (strftime(buf
, sizeof(buf
), DATE_FORMAT
, &commit
->time
) &&
3765 return MATCH(blame
->text
, 1);
3771 blame_select(struct view
*view
, struct line
*line
)
3773 struct blame
*blame
= line
->data
;
3774 struct blame_commit
*commit
= blame
->commit
;
3779 if (!strcmp(commit
->id
, NULL_ID
))
3780 string_ncopy(ref_commit
, "HEAD", 4);
3782 string_copy_rev(ref_commit
, commit
->id
);
3785 static struct view_ops blame_ops
= {
3803 char rev
[SIZEOF_REV
];
3804 char name
[SIZEOF_STR
];
3808 char rev
[SIZEOF_REV
];
3809 char name
[SIZEOF_STR
];
3813 static char status_onbranch
[SIZEOF_STR
];
3814 static struct status stage_status
;
3815 static enum line_type stage_line_type
;
3816 static size_t stage_chunks
;
3817 static int *stage_chunk
;
3819 /* This should work even for the "On branch" line. */
3821 status_has_none(struct view
*view
, struct line
*line
)
3823 return line
< view
->line
+ view
->lines
&& !line
[1].data
;
3826 /* Get fields from the diff line:
3827 * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
3830 status_get_diff(struct status
*file
, char *buf
, size_t bufsize
)
3832 char *old_mode
= buf
+ 1;
3833 char *new_mode
= buf
+ 8;
3834 char *old_rev
= buf
+ 15;
3835 char *new_rev
= buf
+ 56;
3836 char *status
= buf
+ 97;
3839 old_mode
[-1] != ':' ||
3840 new_mode
[-1] != ' ' ||
3841 old_rev
[-1] != ' ' ||
3842 new_rev
[-1] != ' ' ||
3846 file
->status
= *status
;
3848 string_copy_rev(file
->old
.rev
, old_rev
);
3849 string_copy_rev(file
->new.rev
, new_rev
);
3851 file
->old
.mode
= strtoul(old_mode
, NULL
, 8);
3852 file
->new.mode
= strtoul(new_mode
, NULL
, 8);
3854 file
->old
.name
[0] = file
->new.name
[0] = 0;
3860 status_run(struct view
*view
, const char cmd
[], char status
, enum line_type type
)
3862 struct status
*file
= NULL
;
3863 struct status
*unmerged
= NULL
;
3864 char buf
[SIZEOF_STR
* 4];
3868 pipe
= popen(cmd
, "r");
3872 add_line_data(view
, NULL
, type
);
3874 while (!feof(pipe
) && !ferror(pipe
)) {
3878 readsize
= fread(buf
+ bufsize
, 1, sizeof(buf
) - bufsize
, pipe
);
3881 bufsize
+= readsize
;
3883 /* Process while we have NUL chars. */
3884 while ((sep
= memchr(buf
, 0, bufsize
))) {
3885 size_t sepsize
= sep
- buf
+ 1;
3888 if (!realloc_lines(view
, view
->line_size
+ 1))
3891 file
= calloc(1, sizeof(*file
));
3895 add_line_data(view
, file
, type
);
3898 /* Parse diff info part. */
3900 file
->status
= status
;
3902 string_copy(file
->old
.rev
, NULL_ID
);
3904 } else if (!file
->status
) {
3905 if (!status_get_diff(file
, buf
, sepsize
))
3909 memmove(buf
, sep
+ 1, bufsize
);
3911 sep
= memchr(buf
, 0, bufsize
);
3914 sepsize
= sep
- buf
+ 1;
3916 /* Collapse all 'M'odified entries that
3917 * follow a associated 'U'nmerged entry.
3919 if (file
->status
== 'U') {
3922 } else if (unmerged
) {
3923 int collapse
= !strcmp(buf
, unmerged
->new.name
);
3934 /* Grab the old name for rename/copy. */
3935 if (!*file
->old
.name
&&
3936 (file
->status
== 'R' || file
->status
== 'C')) {
3937 sepsize
= sep
- buf
+ 1;
3938 string_ncopy(file
->old
.name
, buf
, sepsize
);
3940 memmove(buf
, sep
+ 1, bufsize
);
3942 sep
= memchr(buf
, 0, bufsize
);
3945 sepsize
= sep
- buf
+ 1;
3948 /* git-ls-files just delivers a NUL separated
3949 * list of file names similar to the second half
3950 * of the git-diff-* output. */
3951 string_ncopy(file
->new.name
, buf
, sepsize
);
3952 if (!*file
->old
.name
)
3953 string_copy(file
->old
.name
, file
->new.name
);
3955 memmove(buf
, sep
+ 1, bufsize
);
3966 if (!view
->line
[view
->lines
- 1].data
)
3967 add_line_data(view
, NULL
, LINE_STAT_NONE
);
3973 /* Don't show unmerged entries in the staged section. */
3974 #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached -M HEAD"
3975 #define STATUS_DIFF_FILES_CMD "git diff-files -z"
3976 #define STATUS_LIST_OTHER_CMD \
3977 "git ls-files -z --others --exclude-standard"
3978 #define STATUS_LIST_NO_HEAD_CMD \
3979 "git ls-files -z --cached --exclude-standard"
3981 #define STATUS_DIFF_INDEX_SHOW_CMD \
3982 "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s %s 2>/dev/null"
3984 #define STATUS_DIFF_FILES_SHOW_CMD \
3985 "git diff-files --root --patch-with-stat -C -M -- %s %s 2>/dev/null"
3987 #define STATUS_DIFF_NO_HEAD_SHOW_CMD \
3988 "git diff --no-color --patch-with-stat /dev/null %s 2>/dev/null"
3990 /* First parse staged info using git-diff-index(1), then parse unstaged
3991 * info using git-diff-files(1), and finally untracked files using
3992 * git-ls-files(1). */
3994 status_open(struct view
*view
)
3996 unsigned long prev_lineno
= view
->lineno
;
3999 for (i
= 0; i
< view
->lines
; i
++)
4000 free(view
->line
[i
].data
);
4002 view
->lines
= view
->line_alloc
= view
->line_size
= view
->lineno
= 0;
4005 if (!realloc_lines(view
, view
->line_size
+ 7))
4008 add_line_data(view
, NULL
, LINE_STAT_HEAD
);
4010 string_copy(status_onbranch
, "Initial commit");
4011 else if (!*opt_head
)
4012 string_copy(status_onbranch
, "Not currently on any branch");
4013 else if (!string_format(status_onbranch
, "On branch %s", opt_head
))
4016 system("git update-index -q --refresh >/dev/null 2>/dev/null");
4019 !status_run(view
, STATUS_LIST_NO_HEAD_CMD
, 'A', LINE_STAT_STAGED
))
4021 else if (!status_run(view
, STATUS_DIFF_INDEX_CMD
, 0, LINE_STAT_STAGED
))
4024 if (!status_run(view
, STATUS_DIFF_FILES_CMD
, 0, LINE_STAT_UNSTAGED
) ||
4025 !status_run(view
, STATUS_LIST_OTHER_CMD
, '?', LINE_STAT_UNTRACKED
))
4028 /* If all went well restore the previous line number to stay in
4029 * the context or select a line with something that can be
4031 if (prev_lineno
>= view
->lines
)
4032 prev_lineno
= view
->lines
- 1;
4033 while (prev_lineno
< view
->lines
&& !view
->line
[prev_lineno
].data
)
4035 while (prev_lineno
> 0 && !view
->line
[prev_lineno
].data
)
4038 /* If the above fails, always skip the "On branch" line. */
4039 if (prev_lineno
< view
->lines
)
4040 view
->lineno
= prev_lineno
;
4044 if (view
->lineno
< view
->offset
)
4045 view
->offset
= view
->lineno
;
4046 else if (view
->offset
+ view
->height
<= view
->lineno
)
4047 view
->offset
= view
->lineno
- view
->height
+ 1;
4053 status_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
4055 struct status
*status
= line
->data
;
4056 enum line_type type
;
4060 switch (line
->type
) {
4061 case LINE_STAT_STAGED
:
4062 type
= LINE_STAT_SECTION
;
4063 text
= "Changes to be committed:";
4066 case LINE_STAT_UNSTAGED
:
4067 type
= LINE_STAT_SECTION
;
4068 text
= "Changed but not updated:";
4071 case LINE_STAT_UNTRACKED
:
4072 type
= LINE_STAT_SECTION
;
4073 text
= "Untracked files:";
4076 case LINE_STAT_NONE
:
4077 type
= LINE_DEFAULT
;
4078 text
= " (no files)";
4081 case LINE_STAT_HEAD
:
4082 type
= LINE_STAT_HEAD
;
4083 text
= status_onbranch
;
4090 static char buf
[] = { '?', ' ', ' ', ' ', 0 };
4092 buf
[0] = status
->status
;
4093 if (draw_text(view
, line
->type
, buf
, TRUE
))
4095 type
= LINE_DEFAULT
;
4096 text
= status
->new.name
;
4099 draw_text(view
, type
, text
, TRUE
);
4104 status_enter(struct view
*view
, struct line
*line
)
4106 struct status
*status
= line
->data
;
4107 char oldpath
[SIZEOF_STR
] = "";
4108 char newpath
[SIZEOF_STR
] = "";
4111 enum open_flags split
;
4113 if (line
->type
== LINE_STAT_NONE
||
4114 (!status
&& line
[1].type
== LINE_STAT_NONE
)) {
4115 report("No file to diff");
4120 if (sq_quote(oldpath
, 0, status
->old
.name
) >= sizeof(oldpath
))
4122 /* Diffs for unmerged entries are empty when pasing the
4123 * new path, so leave it empty. */
4124 if (status
->status
!= 'U' &&
4125 sq_quote(newpath
, 0, status
->new.name
) >= sizeof(newpath
))
4130 line
->type
!= LINE_STAT_UNTRACKED
&&
4131 !string_format_from(opt_cmd
, &cmdsize
, "cd %s;", opt_cdup
))
4134 switch (line
->type
) {
4135 case LINE_STAT_STAGED
:
4137 if (!string_format_from(opt_cmd
, &cmdsize
,
4138 STATUS_DIFF_NO_HEAD_SHOW_CMD
,
4142 if (!string_format_from(opt_cmd
, &cmdsize
,
4143 STATUS_DIFF_INDEX_SHOW_CMD
,
4149 info
= "Staged changes to %s";
4151 info
= "Staged changes";
4154 case LINE_STAT_UNSTAGED
:
4155 if (!string_format_from(opt_cmd
, &cmdsize
,
4156 STATUS_DIFF_FILES_SHOW_CMD
, oldpath
, newpath
))
4159 info
= "Unstaged changes to %s";
4161 info
= "Unstaged changes";
4164 case LINE_STAT_UNTRACKED
:
4169 report("No file to show");
4173 opt_pipe
= fopen(status
->new.name
, "r");
4174 info
= "Untracked file %s";
4177 case LINE_STAT_HEAD
:
4181 die("line type %d not handled in switch", line
->type
);
4184 split
= view_is_displayed(view
) ? OPEN_SPLIT
: 0;
4185 open_view(view
, REQ_VIEW_STAGE
, OPEN_RELOAD
| split
);
4186 if (view_is_displayed(VIEW(REQ_VIEW_STAGE
))) {
4188 stage_status
= *status
;
4190 memset(&stage_status
, 0, sizeof(stage_status
));
4193 stage_line_type
= line
->type
;
4195 string_format(VIEW(REQ_VIEW_STAGE
)->ref
, info
, stage_status
.new.name
);
4202 status_exists(struct status
*status
, enum line_type type
)
4204 struct view
*view
= VIEW(REQ_VIEW_STATUS
);
4207 for (line
= view
->line
; line
< view
->line
+ view
->lines
; line
++) {
4208 struct status
*pos
= line
->data
;
4210 if (line
->type
== type
&& pos
&&
4211 !strcmp(status
->new.name
, pos
->new.name
))
4220 status_update_prepare(enum line_type type
)
4222 char cmd
[SIZEOF_STR
];
4226 type
!= LINE_STAT_UNTRACKED
&&
4227 !string_format_from(cmd
, &cmdsize
, "cd %s;", opt_cdup
))
4231 case LINE_STAT_STAGED
:
4232 string_add(cmd
, cmdsize
, "git update-index -z --index-info");
4235 case LINE_STAT_UNSTAGED
:
4236 case LINE_STAT_UNTRACKED
:
4237 string_add(cmd
, cmdsize
, "git update-index -z --add --remove --stdin");
4241 die("line type %d not handled in switch", type
);
4244 return popen(cmd
, "w");
4248 status_update_write(FILE *pipe
, struct status
*status
, enum line_type type
)
4250 char buf
[SIZEOF_STR
];
4255 case LINE_STAT_STAGED
:
4256 if (!string_format_from(buf
, &bufsize
, "%06o %s\t%s%c",
4259 status
->old
.name
, 0))
4263 case LINE_STAT_UNSTAGED
:
4264 case LINE_STAT_UNTRACKED
:
4265 if (!string_format_from(buf
, &bufsize
, "%s%c", status
->new.name
, 0))
4270 die("line type %d not handled in switch", type
);
4273 while (!ferror(pipe
) && written
< bufsize
) {
4274 written
+= fwrite(buf
+ written
, 1, bufsize
- written
, pipe
);
4277 return written
== bufsize
;
4281 status_update_file(struct status
*status
, enum line_type type
)
4283 FILE *pipe
= status_update_prepare(type
);
4289 result
= status_update_write(pipe
, status
, type
);
4295 status_update_files(struct view
*view
, struct line
*line
)
4297 FILE *pipe
= status_update_prepare(line
->type
);
4299 struct line
*pos
= view
->line
+ view
->lines
;
4306 for (pos
= line
; pos
< view
->line
+ view
->lines
&& pos
->data
; pos
++)
4309 for (file
= 0, done
= 0; result
&& file
< files
; line
++, file
++) {
4310 int almost_done
= file
* 100 / files
;
4312 if (almost_done
> done
) {
4314 string_format(view
->ref
, "updating file %u of %u (%d%% done)",
4316 update_view_title(view
);
4318 result
= status_update_write(pipe
, line
->data
, line
->type
);
4326 status_update(struct view
*view
)
4328 struct line
*line
= &view
->line
[view
->lineno
];
4330 assert(view
->lines
);
4333 /* This should work even for the "On branch" line. */
4334 if (line
< view
->line
+ view
->lines
&& !line
[1].data
) {
4335 report("Nothing to update");
4339 if (!status_update_files(view
, line
+ 1)) {
4340 report("Failed to update file status");
4344 } else if (!status_update_file(line
->data
, line
->type
)) {
4345 report("Failed to update file status");
4353 status_checkout(struct status
*status
, enum line_type type
, bool has_next
)
4355 if (!status
|| type
!= LINE_STAT_UNSTAGED
) {
4357 report("Nothing to checkout");
4358 } else if (type
== LINE_STAT_UNTRACKED
) {
4359 report("Cannot checkout untracked files");
4360 } else if (type
== LINE_STAT_STAGED
) {
4361 report("Cannot checkout staged files");
4363 report("Cannot checkout multiple files");
4368 char cmd
[SIZEOF_STR
];
4369 char file_sq
[SIZEOF_STR
];
4371 if (sq_quote(file_sq
, 0, status
->old
.name
) < sizeof(file_sq
) &&
4372 string_format(cmd
, "git checkout %s%s", opt_cdup
, file_sq
)) {
4373 run_confirm(cmd
, "Are you sure you want to overwrite any changes?");
4381 status_request(struct view
*view
, enum request request
, struct line
*line
)
4383 struct status
*status
= line
->data
;
4386 case REQ_STATUS_UPDATE
:
4387 if (!status_update(view
))
4391 case REQ_STATUS_CHECKOUT
:
4392 if (!status_checkout(status
, line
->type
, status_has_none(view
, line
)))
4396 case REQ_STATUS_MERGE
:
4397 if (!status
|| status
->status
!= 'U') {
4398 report("Merging only possible for files with unmerged status ('U').");
4401 open_mergetool(status
->new.name
);
4408 open_editor(status
->status
!= '?', status
->new.name
);
4411 case REQ_VIEW_BLAME
:
4413 string_copy(opt_file
, status
->new.name
);
4419 /* After returning the status view has been split to
4420 * show the stage view. No further reloading is
4422 status_enter(view
, line
);
4426 /* Simply reload the view. */
4433 open_view(view
, REQ_VIEW_STATUS
, OPEN_RELOAD
);
4439 status_select(struct view
*view
, struct line
*line
)
4441 struct status
*status
= line
->data
;
4442 char file
[SIZEOF_STR
] = "all files";
4446 if (status
&& !string_format(file
, "'%s'", status
->new.name
))
4449 if (!status
&& line
[1].type
== LINE_STAT_NONE
)
4452 switch (line
->type
) {
4453 case LINE_STAT_STAGED
:
4454 text
= "Press %s to unstage %s for commit";
4457 case LINE_STAT_UNSTAGED
:
4458 text
= "Press %s to stage %s for commit";
4461 case LINE_STAT_UNTRACKED
:
4462 text
= "Press %s to stage %s for addition";
4465 case LINE_STAT_HEAD
:
4466 case LINE_STAT_NONE
:
4467 text
= "Nothing to update";
4471 die("line type %d not handled in switch", line
->type
);
4474 if (status
&& status
->status
== 'U') {
4475 text
= "Press %s to resolve conflict in %s";
4476 key
= get_key(REQ_STATUS_MERGE
);
4479 key
= get_key(REQ_STATUS_UPDATE
);
4482 string_format(view
->ref
, text
, key
, file
);
4486 status_grep(struct view
*view
, struct line
*line
)
4488 struct status
*status
= line
->data
;
4489 enum { S_STATUS
, S_NAME
, S_END
} state
;
4496 for (state
= S_STATUS
; state
< S_END
; state
++) {
4500 case S_NAME
: text
= status
->new.name
; break;
4502 buf
[0] = status
->status
;
4510 if (regexec(view
->regex
, text
, 1, &pmatch
, 0) != REG_NOMATCH
)
4517 static struct view_ops status_ops
= {
4529 stage_diff_line(FILE *pipe
, struct line
*line
)
4531 char *buf
= line
->data
;
4532 size_t bufsize
= strlen(buf
);
4535 while (!ferror(pipe
) && written
< bufsize
) {
4536 written
+= fwrite(buf
+ written
, 1, bufsize
- written
, pipe
);
4541 return written
== bufsize
;
4545 stage_diff_write(FILE *pipe
, struct line
*line
, struct line
*end
)
4547 while (line
< end
) {
4548 if (!stage_diff_line(pipe
, line
++))
4550 if (line
->type
== LINE_DIFF_CHUNK
||
4551 line
->type
== LINE_DIFF_HEADER
)
4558 static struct line
*
4559 stage_diff_find(struct view
*view
, struct line
*line
, enum line_type type
)
4561 for (; view
->line
< line
; line
--)
4562 if (line
->type
== type
)
4569 stage_update_chunk(struct view
*view
, struct line
*chunk
)
4571 char cmd
[SIZEOF_STR
];
4573 struct line
*diff_hdr
;
4576 diff_hdr
= stage_diff_find(view
, chunk
, LINE_DIFF_HEADER
);
4581 !string_format_from(cmd
, &cmdsize
, "cd %s;", opt_cdup
))
4584 if (!string_format_from(cmd
, &cmdsize
,
4585 "git apply --whitespace=nowarn --cached %s - && "
4586 "git update-index -q --unmerged --refresh 2>/dev/null",
4587 stage_line_type
== LINE_STAT_STAGED
? "-R" : ""))
4590 pipe
= popen(cmd
, "w");
4594 if (!stage_diff_write(pipe
, diff_hdr
, chunk
) ||
4595 !stage_diff_write(pipe
, chunk
, view
->line
+ view
->lines
))
4600 return chunk
? TRUE
: FALSE
;
4604 stage_update(struct view
*view
, struct line
*line
)
4606 struct line
*chunk
= NULL
;
4608 if (!opt_no_head
&& stage_line_type
!= LINE_STAT_UNTRACKED
)
4609 chunk
= stage_diff_find(view
, line
, LINE_DIFF_CHUNK
);
4612 if (!stage_update_chunk(view
, chunk
)) {
4613 report("Failed to apply chunk");
4617 } else if (!stage_status
.status
) {
4618 view
= VIEW(REQ_VIEW_STATUS
);
4620 for (line
= view
->line
; line
< view
->line
+ view
->lines
; line
++)
4621 if (line
->type
== stage_line_type
)
4624 if (!status_update_files(view
, line
+ 1)) {
4625 report("Failed to update files");
4629 } else if (!status_update_file(&stage_status
, stage_line_type
)) {
4630 report("Failed to update file");
4638 stage_next(struct view
*view
, struct line
*line
)
4642 if (!stage_chunks
) {
4643 static size_t alloc
= 0;
4646 for (line
= view
->line
; line
< view
->line
+ view
->lines
; line
++) {
4647 if (line
->type
!= LINE_DIFF_CHUNK
)
4650 tmp
= realloc_items(stage_chunk
, &alloc
,
4651 stage_chunks
, sizeof(*tmp
));
4653 report("Allocation failure");
4658 stage_chunk
[stage_chunks
++] = line
- view
->line
;
4662 for (i
= 0; i
< stage_chunks
; i
++) {
4663 if (stage_chunk
[i
] > view
->lineno
) {
4664 do_scroll_view(view
, stage_chunk
[i
] - view
->lineno
);
4665 report("Chunk %d of %d", i
+ 1, stage_chunks
);
4670 report("No next chunk found");
4674 stage_request(struct view
*view
, enum request request
, struct line
*line
)
4677 case REQ_STATUS_UPDATE
:
4678 if (!stage_update(view
, line
))
4682 case REQ_STATUS_CHECKOUT
:
4683 if (!status_checkout(&stage_status
, stage_line_type
, FALSE
))
4687 case REQ_STAGE_NEXT
:
4688 if (stage_line_type
== LINE_STAT_UNTRACKED
) {
4689 report("File is untracked; press %s to add",
4690 get_key(REQ_STATUS_UPDATE
));
4693 stage_next(view
, line
);
4697 if (!stage_status
.new.name
[0])
4700 open_editor(stage_status
.status
!= '?', stage_status
.new.name
);
4704 /* Reload everything ... */
4707 case REQ_VIEW_BLAME
:
4708 if (stage_status
.new.name
[0]) {
4709 string_copy(opt_file
, stage_status
.new.name
);
4715 return pager_request(view
, request
, line
);
4721 open_view(view
, REQ_VIEW_STATUS
, OPEN_RELOAD
| OPEN_NOMAXIMIZE
);
4723 /* Check whether the staged entry still exists, and close the
4724 * stage view if it doesn't. */
4725 if (!status_exists(&stage_status
, stage_line_type
))
4726 return REQ_VIEW_CLOSE
;
4728 if (stage_line_type
== LINE_STAT_UNTRACKED
)
4729 opt_pipe
= fopen(stage_status
.new.name
, "r");
4731 string_copy(opt_cmd
, view
->cmd
);
4732 open_view(view
, REQ_VIEW_STAGE
, OPEN_RELOAD
| OPEN_NOMAXIMIZE
);
4737 static struct view_ops stage_ops
= {
4753 char id
[SIZEOF_REV
]; /* SHA1 ID. */
4754 char title
[128]; /* First line of the commit message. */
4755 char author
[75]; /* Author of the commit. */
4756 struct tm time
; /* Date from the author ident. */
4757 struct ref
**refs
; /* Repository references. */
4758 chtype graph
[SIZEOF_REVGRAPH
]; /* Ancestry chain graphics. */
4759 size_t graph_size
; /* The width of the graph array. */
4760 bool has_parents
; /* Rewritten --parents seen. */
4763 /* Size of rev graph with no "padding" columns */
4764 #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2))
4767 struct rev_graph
*prev
, *next
, *parents
;
4768 char rev
[SIZEOF_REVITEMS
][SIZEOF_REV
];
4770 struct commit
*commit
;
4772 unsigned int boundary
:1;
4775 /* Parents of the commit being visualized. */
4776 static struct rev_graph graph_parents
[4];
4778 /* The current stack of revisions on the graph. */
4779 static struct rev_graph graph_stacks
[4] = {
4780 { &graph_stacks
[3], &graph_stacks
[1], &graph_parents
[0] },
4781 { &graph_stacks
[0], &graph_stacks
[2], &graph_parents
[1] },
4782 { &graph_stacks
[1], &graph_stacks
[3], &graph_parents
[2] },
4783 { &graph_stacks
[2], &graph_stacks
[0], &graph_parents
[3] },
4787 graph_parent_is_merge(struct rev_graph
*graph
)
4789 return graph
->parents
->size
> 1;
4793 append_to_rev_graph(struct rev_graph
*graph
, chtype symbol
)
4795 struct commit
*commit
= graph
->commit
;
4797 if (commit
->graph_size
< ARRAY_SIZE(commit
->graph
) - 1)
4798 commit
->graph
[commit
->graph_size
++] = symbol
;
4802 clear_rev_graph(struct rev_graph
*graph
)
4804 graph
->boundary
= 0;
4805 graph
->size
= graph
->pos
= 0;
4806 graph
->commit
= NULL
;
4807 memset(graph
->parents
, 0, sizeof(*graph
->parents
));
4811 done_rev_graph(struct rev_graph
*graph
)
4813 if (graph_parent_is_merge(graph
) &&
4814 graph
->pos
< graph
->size
- 1 &&
4815 graph
->next
->size
== graph
->size
+ graph
->parents
->size
- 1) {
4816 size_t i
= graph
->pos
+ graph
->parents
->size
- 1;
4818 graph
->commit
->graph_size
= i
* 2;
4819 while (i
< graph
->next
->size
- 1) {
4820 append_to_rev_graph(graph
, ' ');
4821 append_to_rev_graph(graph
, '\\');
4826 clear_rev_graph(graph
);
4830 push_rev_graph(struct rev_graph
*graph
, char *parent
)
4834 /* "Collapse" duplicate parents lines.
4836 * FIXME: This needs to also update update the drawn graph but
4837 * for now it just serves as a method for pruning graph lines. */
4838 for (i
= 0; i
< graph
->size
; i
++)
4839 if (!strncmp(graph
->rev
[i
], parent
, SIZEOF_REV
))
4842 if (graph
->size
< SIZEOF_REVITEMS
) {
4843 string_copy_rev(graph
->rev
[graph
->size
++], parent
);
4848 get_rev_graph_symbol(struct rev_graph
*graph
)
4852 if (graph
->boundary
)
4853 symbol
= REVGRAPH_BOUND
;
4854 else if (graph
->parents
->size
== 0)
4855 symbol
= REVGRAPH_INIT
;
4856 else if (graph_parent_is_merge(graph
))
4857 symbol
= REVGRAPH_MERGE
;
4858 else if (graph
->pos
>= graph
->size
)
4859 symbol
= REVGRAPH_BRANCH
;
4861 symbol
= REVGRAPH_COMMIT
;
4867 draw_rev_graph(struct rev_graph
*graph
)
4870 chtype separator
, line
;
4872 enum { DEFAULT
, RSHARP
, RDIAG
, LDIAG
};
4873 static struct rev_filler fillers
[] = {
4879 chtype symbol
= get_rev_graph_symbol(graph
);
4880 struct rev_filler
*filler
;
4883 if (opt_line_graphics
)
4884 fillers
[DEFAULT
].line
= line_graphics
[LINE_GRAPHIC_VLINE
];
4886 filler
= &fillers
[DEFAULT
];
4888 for (i
= 0; i
< graph
->pos
; i
++) {
4889 append_to_rev_graph(graph
, filler
->line
);
4890 if (graph_parent_is_merge(graph
->prev
) &&
4891 graph
->prev
->pos
== i
)
4892 filler
= &fillers
[RSHARP
];
4894 append_to_rev_graph(graph
, filler
->separator
);
4897 /* Place the symbol for this revision. */
4898 append_to_rev_graph(graph
, symbol
);
4900 if (graph
->prev
->size
> graph
->size
)
4901 filler
= &fillers
[RDIAG
];
4903 filler
= &fillers
[DEFAULT
];
4907 for (; i
< graph
->size
; i
++) {
4908 append_to_rev_graph(graph
, filler
->separator
);
4909 append_to_rev_graph(graph
, filler
->line
);
4910 if (graph_parent_is_merge(graph
->prev
) &&
4911 i
< graph
->prev
->pos
+ graph
->parents
->size
)
4912 filler
= &fillers
[RSHARP
];
4913 if (graph
->prev
->size
> graph
->size
)
4914 filler
= &fillers
[LDIAG
];
4917 if (graph
->prev
->size
> graph
->size
) {
4918 append_to_rev_graph(graph
, filler
->separator
);
4919 if (filler
->line
!= ' ')
4920 append_to_rev_graph(graph
, filler
->line
);
4924 /* Prepare the next rev graph */
4926 prepare_rev_graph(struct rev_graph
*graph
)
4930 /* First, traverse all lines of revisions up to the active one. */
4931 for (graph
->pos
= 0; graph
->pos
< graph
->size
; graph
->pos
++) {
4932 if (!strcmp(graph
->rev
[graph
->pos
], graph
->commit
->id
))
4935 push_rev_graph(graph
->next
, graph
->rev
[graph
->pos
]);
4938 /* Interleave the new revision parent(s). */
4939 for (i
= 0; !graph
->boundary
&& i
< graph
->parents
->size
; i
++)
4940 push_rev_graph(graph
->next
, graph
->parents
->rev
[i
]);
4942 /* Lastly, put any remaining revisions. */
4943 for (i
= graph
->pos
+ 1; i
< graph
->size
; i
++)
4944 push_rev_graph(graph
->next
, graph
->rev
[i
]);
4948 update_rev_graph(struct rev_graph
*graph
)
4950 /* If this is the finalizing update ... */
4952 prepare_rev_graph(graph
);
4954 /* Graph visualization needs a one rev look-ahead,
4955 * so the first update doesn't visualize anything. */
4956 if (!graph
->prev
->commit
)
4959 draw_rev_graph(graph
->prev
);
4960 done_rev_graph(graph
->prev
->prev
);
4969 main_draw(struct view
*view
, struct line
*line
, unsigned int lineno
)
4971 struct commit
*commit
= line
->data
;
4973 if (!*commit
->author
)
4976 if (opt_date
&& draw_date(view
, &commit
->time
))
4980 draw_field(view
, LINE_MAIN_AUTHOR
, commit
->author
, opt_author_cols
, TRUE
))
4983 if (opt_rev_graph
&& commit
->graph_size
&&
4984 draw_graphic(view
, LINE_MAIN_REVGRAPH
, commit
->graph
, commit
->graph_size
))
4987 if (opt_show_refs
&& commit
->refs
) {
4991 enum line_type type
;
4993 if (commit
->refs
[i
]->head
)
4994 type
= LINE_MAIN_HEAD
;
4995 else if (commit
->refs
[i
]->ltag
)
4996 type
= LINE_MAIN_LOCAL_TAG
;
4997 else if (commit
->refs
[i
]->tag
)
4998 type
= LINE_MAIN_TAG
;
4999 else if (commit
->refs
[i
]->tracked
)
5000 type
= LINE_MAIN_TRACKED
;
5001 else if (commit
->refs
[i
]->remote
)
5002 type
= LINE_MAIN_REMOTE
;
5004 type
= LINE_MAIN_REF
;
5006 if (draw_text(view
, type
, "[", TRUE
) ||
5007 draw_text(view
, type
, commit
->refs
[i
]->name
, TRUE
) ||
5008 draw_text(view
, type
, "]", TRUE
))
5011 if (draw_text(view
, LINE_DEFAULT
, " ", TRUE
))
5013 } while (commit
->refs
[i
++]->next
);
5016 draw_text(view
, LINE_DEFAULT
, commit
->title
, TRUE
);
5020 /* Reads git log --pretty=raw output and parses it into the commit struct. */
5022 main_read(struct view
*view
, char *line
)
5024 static struct rev_graph
*graph
= graph_stacks
;
5025 enum line_type type
;
5026 struct commit
*commit
;
5031 if (!view
->lines
&& !view
->parent
)
5032 die("No revisions match the given arguments.");
5033 if (view
->lines
> 0) {
5034 commit
= view
->line
[view
->lines
- 1].data
;
5035 if (!*commit
->author
) {
5038 graph
->commit
= NULL
;
5041 update_rev_graph(graph
);
5043 for (i
= 0; i
< ARRAY_SIZE(graph_stacks
); i
++)
5044 clear_rev_graph(&graph_stacks
[i
]);
5048 type
= get_line_type(line
);
5049 if (type
== LINE_COMMIT
) {
5050 commit
= calloc(1, sizeof(struct commit
));
5054 line
+= STRING_SIZE("commit ");
5056 graph
->boundary
= 1;
5060 string_copy_rev(commit
->id
, line
);
5061 commit
->refs
= get_refs(commit
->id
);
5062 graph
->commit
= commit
;
5063 add_line_data(view
, commit
, LINE_MAIN_COMMIT
);
5065 while ((line
= strchr(line
, ' '))) {
5067 push_rev_graph(graph
->parents
, line
);
5068 commit
->has_parents
= TRUE
;
5075 commit
= view
->line
[view
->lines
- 1].data
;
5079 if (commit
->has_parents
)
5081 push_rev_graph(graph
->parents
, line
+ STRING_SIZE("parent "));
5086 /* Parse author lines where the name may be empty:
5087 * author <email@address.tld> 1138474660 +0100
5089 char *ident
= line
+ STRING_SIZE("author ");
5090 char *nameend
= strchr(ident
, '<');
5091 char *emailend
= strchr(ident
, '>');
5093 if (!nameend
|| !emailend
)
5096 update_rev_graph(graph
);
5097 graph
= graph
->next
;
5099 *nameend
= *emailend
= 0;
5100 ident
= chomp_string(ident
);
5102 ident
= chomp_string(nameend
+ 1);
5107 string_ncopy(commit
->author
, ident
, strlen(ident
));
5109 /* Parse epoch and timezone */
5110 if (emailend
[1] == ' ') {
5111 char *secs
= emailend
+ 2;
5112 char *zone
= strchr(secs
, ' ');
5113 time_t time
= (time_t) atol(secs
);
5115 if (zone
&& strlen(zone
) == STRING_SIZE(" +0700")) {
5119 tz
= ('0' - zone
[1]) * 60 * 60 * 10;
5120 tz
+= ('0' - zone
[2]) * 60 * 60;
5121 tz
+= ('0' - zone
[3]) * 60;
5122 tz
+= ('0' - zone
[4]) * 60;
5130 gmtime_r(&time
, &commit
->time
);
5135 /* Fill in the commit title if it has not already been set. */
5136 if (commit
->title
[0])
5139 /* Require titles to start with a non-space character at the
5140 * offset used by git log. */
5141 if (strncmp(line
, " ", 4))
5144 /* Well, if the title starts with a whitespace character,
5145 * try to be forgiving. Otherwise we end up with no title. */
5146 while (isspace(*line
))
5150 /* FIXME: More graceful handling of titles; append "..." to
5151 * shortened titles, etc. */
5153 string_ncopy(commit
->title
, line
, strlen(line
));
5160 main_request(struct view
*view
, enum request request
, struct line
*line
)
5162 enum open_flags flags
= display
[0] == view
? OPEN_SPLIT
: OPEN_DEFAULT
;
5166 open_view(view
, REQ_VIEW_DIFF
, flags
);
5169 string_copy(opt_cmd
, view
->cmd
);
5170 open_view(view
, REQ_VIEW_MAIN
, OPEN_RELOAD
);
5180 grep_refs(struct ref
**refs
, regex_t
*regex
)
5188 if (regexec(regex
, refs
[i
]->name
, 1, &pmatch
, 0) != REG_NOMATCH
)
5190 } while (refs
[i
++]->next
);
5196 main_grep(struct view
*view
, struct line
*line
)
5198 struct commit
*commit
= line
->data
;
5199 enum { S_TITLE
, S_AUTHOR
, S_DATE
, S_REFS
, S_END
} state
;
5200 char buf
[DATE_COLS
+ 1];
5203 for (state
= S_TITLE
; state
< S_END
; state
++) {
5207 case S_TITLE
: text
= commit
->title
; break;
5211 text
= commit
->author
;
5216 if (!strftime(buf
, sizeof(buf
), DATE_FORMAT
, &commit
->time
))
5223 if (grep_refs(commit
->refs
, view
->regex
) == TRUE
)
5230 if (regexec(view
->regex
, text
, 1, &pmatch
, 0) != REG_NOMATCH
)
5238 main_select(struct view
*view
, struct line
*line
)
5240 struct commit
*commit
= line
->data
;
5242 string_copy_rev(view
->ref
, commit
->id
);
5243 string_copy_rev(ref_commit
, view
->ref
);
5246 static struct view_ops main_ops
= {
5258 * Unicode / UTF-8 handling
5260 * NOTE: Much of the following code for dealing with unicode is derived from
5261 * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is
5262 * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28.
5265 /* I've (over)annotated a lot of code snippets because I am not entirely
5266 * confident that the approach taken by this small UTF-8 interface is correct.
5270 unicode_width(unsigned long c
)
5273 (c
<= 0x115f /* Hangul Jamo */
5276 || (c
>= 0x2e80 && c
<= 0xa4cf && c
!= 0x303f)
5278 || (c
>= 0xac00 && c
<= 0xd7a3) /* Hangul Syllables */
5279 || (c
>= 0xf900 && c
<= 0xfaff) /* CJK Compatibility Ideographs */
5280 || (c
>= 0xfe30 && c
<= 0xfe6f) /* CJK Compatibility Forms */
5281 || (c
>= 0xff00 && c
<= 0xff60) /* Fullwidth Forms */
5282 || (c
>= 0xffe0 && c
<= 0xffe6)
5283 || (c
>= 0x20000 && c
<= 0x2fffd)
5284 || (c
>= 0x30000 && c
<= 0x3fffd)))
5288 return opt_tab_size
;
5293 /* Number of bytes used for encoding a UTF-8 character indexed by first byte.
5294 * Illegal bytes are set one. */
5295 static const unsigned char utf8_bytes
[256] = {
5296 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,
5297 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,
5298 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,
5299 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,
5300 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,
5301 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,
5302 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,
5303 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,
5306 /* Decode UTF-8 multi-byte representation into a unicode character. */
5307 static inline unsigned long
5308 utf8_to_unicode(const char *string
, size_t length
)
5310 unsigned long unicode
;
5314 unicode
= string
[0];
5317 unicode
= (string
[0] & 0x1f) << 6;
5318 unicode
+= (string
[1] & 0x3f);
5321 unicode
= (string
[0] & 0x0f) << 12;
5322 unicode
+= ((string
[1] & 0x3f) << 6);
5323 unicode
+= (string
[2] & 0x3f);
5326 unicode
= (string
[0] & 0x0f) << 18;
5327 unicode
+= ((string
[1] & 0x3f) << 12);
5328 unicode
+= ((string
[2] & 0x3f) << 6);
5329 unicode
+= (string
[3] & 0x3f);
5332 unicode
= (string
[0] & 0x0f) << 24;
5333 unicode
+= ((string
[1] & 0x3f) << 18);
5334 unicode
+= ((string
[2] & 0x3f) << 12);
5335 unicode
+= ((string
[3] & 0x3f) << 6);
5336 unicode
+= (string
[4] & 0x3f);
5339 unicode
= (string
[0] & 0x01) << 30;
5340 unicode
+= ((string
[1] & 0x3f) << 24);
5341 unicode
+= ((string
[2] & 0x3f) << 18);
5342 unicode
+= ((string
[3] & 0x3f) << 12);
5343 unicode
+= ((string
[4] & 0x3f) << 6);
5344 unicode
+= (string
[5] & 0x3f);
5347 die("Invalid unicode length");
5350 /* Invalid characters could return the special 0xfffd value but NUL
5351 * should be just as good. */
5352 return unicode
> 0xffff ? 0 : unicode
;
5355 /* Calculates how much of string can be shown within the given maximum width
5356 * and sets trimmed parameter to non-zero value if all of string could not be
5357 * shown. If the reserve flag is TRUE, it will reserve at least one
5358 * trailing character, which can be useful when drawing a delimiter.
5360 * Returns the number of bytes to output from string to satisfy max_width. */
5362 utf8_length(const char *string
, int *width
, size_t max_width
, int *trimmed
, bool reserve
)
5364 const char *start
= string
;
5365 const char *end
= strchr(string
, '\0');
5366 unsigned char last_bytes
= 0;
5367 size_t last_ucwidth
= 0;
5372 while (string
< end
) {
5373 int c
= *(unsigned char *) string
;
5374 unsigned char bytes
= utf8_bytes
[c
];
5376 unsigned long unicode
;
5378 if (string
+ bytes
> end
)
5381 /* Change representation to figure out whether
5382 * it is a single- or double-width character. */
5384 unicode
= utf8_to_unicode(string
, bytes
);
5385 /* FIXME: Graceful handling of invalid unicode character. */
5389 ucwidth
= unicode_width(unicode
);
5391 if (*width
> max_width
) {
5394 if (reserve
&& *width
== max_width
) {
5395 string
-= last_bytes
;
5396 *width
-= last_ucwidth
;
5403 last_ucwidth
= ucwidth
;
5406 return string
- start
;
5414 /* Whether or not the curses interface has been initialized. */
5415 static bool cursed
= FALSE
;
5417 /* The status window is used for polling keystrokes. */
5418 static WINDOW
*status_win
;
5420 static bool status_empty
= TRUE
;
5422 /* Update status and title window. */
5424 report(const char *msg
, ...)
5426 struct view
*view
= display
[current_view
];
5432 char buf
[SIZEOF_STR
];
5435 va_start(args
, msg
);
5436 if (vsnprintf(buf
, sizeof(buf
), msg
, args
) >= sizeof(buf
)) {
5437 buf
[sizeof(buf
) - 1] = 0;
5438 buf
[sizeof(buf
) - 2] = '.';
5439 buf
[sizeof(buf
) - 3] = '.';
5440 buf
[sizeof(buf
) - 4] = '.';
5446 if (!status_empty
|| *msg
) {
5449 va_start(args
, msg
);
5451 wmove(status_win
, 0, 0);
5453 vwprintw(status_win
, msg
, args
);
5454 status_empty
= FALSE
;
5456 status_empty
= TRUE
;
5458 wclrtoeol(status_win
);
5459 wrefresh(status_win
);
5464 update_view_title(view
);
5465 update_display_cursor(view
);
5468 /* Controls when nodelay should be in effect when polling user input. */
5470 set_nonblocking_input(bool loading
)
5472 static unsigned int loading_views
;
5474 if ((loading
== FALSE
&& loading_views
-- == 1) ||
5475 (loading
== TRUE
&& loading_views
++ == 0))
5476 nodelay(status_win
, loading
);
5484 /* Initialize the curses library */
5485 if (isatty(STDIN_FILENO
)) {
5486 cursed
= !!initscr();
5488 /* Leave stdin and stdout alone when acting as a pager. */
5489 FILE *io
= fopen("/dev/tty", "r+");
5492 die("Failed to open /dev/tty");
5493 cursed
= !!newterm(NULL
, io
, io
);
5497 die("Failed to initialize curses");
5499 nonl(); /* Tell curses not to do NL->CR/NL on output */
5500 cbreak(); /* Take input chars one at a time, no wait for \n */
5501 noecho(); /* Don't echo input */
5502 leaveok(stdscr
, TRUE
);
5507 getmaxyx(stdscr
, y
, x
);
5508 status_win
= newwin(1, 0, y
- 1, 0);
5510 die("Failed to create status window");
5512 /* Enable keyboard mapping */
5513 keypad(status_win
, TRUE
);
5514 wbkgdset(status_win
, get_line_attr(LINE_STATUS
));
5516 TABSIZE
= opt_tab_size
;
5517 if (opt_line_graphics
) {
5518 line_graphics
[LINE_GRAPHIC_VLINE
] = ACS_VLINE
;
5523 prompt_yesno(const char *prompt
)
5525 enum { WAIT
, STOP
, CANCEL
} status
= WAIT
;
5526 bool answer
= FALSE
;
5528 while (status
== WAIT
) {
5534 foreach_view (view
, i
)
5539 mvwprintw(status_win
, 0, 0, "%s [Yy]/[Nn]", prompt
);
5540 wclrtoeol(status_win
);
5542 /* Refresh, accept single keystroke of input */
5543 key
= wgetch(status_win
);
5567 /* Clear the status window */
5568 status_empty
= FALSE
;
5575 read_prompt(const char *prompt
)
5577 enum { READING
, STOP
, CANCEL
} status
= READING
;
5578 static char buf
[sizeof(opt_cmd
) - STRING_SIZE("git \0")];
5581 while (status
== READING
) {
5587 foreach_view (view
, i
)
5592 mvwprintw(status_win
, 0, 0, "%s%.*s", prompt
, pos
, buf
);
5593 wclrtoeol(status_win
);
5595 /* Refresh, accept single keystroke of input */
5596 key
= wgetch(status_win
);
5601 status
= pos
? STOP
: CANCEL
;
5619 if (pos
>= sizeof(buf
)) {
5620 report("Input string too long");
5625 buf
[pos
++] = (char) key
;
5629 /* Clear the status window */
5630 status_empty
= FALSE
;
5633 if (status
== CANCEL
)
5642 * Repository references
5645 static struct ref
*refs
= NULL
;
5646 static size_t refs_alloc
= 0;
5647 static size_t refs_size
= 0;
5649 /* Id <-> ref store */
5650 static struct ref
***id_refs
= NULL
;
5651 static size_t id_refs_alloc
= 0;
5652 static size_t id_refs_size
= 0;
5654 static struct ref
**
5657 struct ref
***tmp_id_refs
;
5658 struct ref
**ref_list
= NULL
;
5659 size_t ref_list_alloc
= 0;
5660 size_t ref_list_size
= 0;
5663 for (i
= 0; i
< id_refs_size
; i
++)
5664 if (!strcmp(id
, id_refs
[i
][0]->id
))
5667 tmp_id_refs
= realloc_items(id_refs
, &id_refs_alloc
, id_refs_size
+ 1,
5672 id_refs
= tmp_id_refs
;
5674 for (i
= 0; i
< refs_size
; i
++) {
5677 if (strcmp(id
, refs
[i
].id
))
5680 tmp
= realloc_items(ref_list
, &ref_list_alloc
,
5681 ref_list_size
+ 1, sizeof(*ref_list
));
5689 if (ref_list_size
> 0)
5690 ref_list
[ref_list_size
- 1]->next
= 1;
5691 ref_list
[ref_list_size
] = &refs
[i
];
5693 /* XXX: The properties of the commit chains ensures that we can
5694 * safely modify the shared ref. The repo references will
5695 * always be similar for the same id. */
5696 ref_list
[ref_list_size
]->next
= 0;
5701 id_refs
[id_refs_size
++] = ref_list
;
5707 read_ref(char *id
, size_t idlen
, char *name
, size_t namelen
)
5712 bool remote
= FALSE
;
5713 bool tracked
= FALSE
;
5714 bool check_replace
= FALSE
;
5717 if (!strncmp(name
, "refs/tags/", STRING_SIZE("refs/tags/"))) {
5718 if (!strcmp(name
+ namelen
- 3, "^{}")) {
5721 if (refs_size
> 0 && refs
[refs_size
- 1].ltag
== TRUE
)
5722 check_replace
= TRUE
;
5728 namelen
-= STRING_SIZE("refs/tags/");
5729 name
+= STRING_SIZE("refs/tags/");
5731 } else if (!strncmp(name
, "refs/remotes/", STRING_SIZE("refs/remotes/"))) {
5733 namelen
-= STRING_SIZE("refs/remotes/");
5734 name
+= STRING_SIZE("refs/remotes/");
5735 tracked
= !strcmp(opt_remote
, name
);
5737 } else if (!strncmp(name
, "refs/heads/", STRING_SIZE("refs/heads/"))) {
5738 namelen
-= STRING_SIZE("refs/heads/");
5739 name
+= STRING_SIZE("refs/heads/");
5740 head
= !strncmp(opt_head
, name
, namelen
);
5742 } else if (!strcmp(name
, "HEAD")) {
5743 opt_no_head
= FALSE
;
5747 if (check_replace
&& !strcmp(name
, refs
[refs_size
- 1].name
)) {
5748 /* it's an annotated tag, replace the previous sha1 with the
5749 * resolved commit id; relies on the fact git-ls-remote lists
5750 * the commit id of an annotated tag right beofre the commit id
5752 refs
[refs_size
- 1].ltag
= ltag
;
5753 string_copy_rev(refs
[refs_size
- 1].id
, id
);
5757 refs
= realloc_items(refs
, &refs_alloc
, refs_size
+ 1, sizeof(*refs
));
5761 ref
= &refs
[refs_size
++];
5762 ref
->name
= malloc(namelen
+ 1);
5766 strncpy(ref
->name
, name
, namelen
);
5767 ref
->name
[namelen
] = 0;
5771 ref
->remote
= remote
;
5772 ref
->tracked
= tracked
;
5773 string_copy_rev(ref
->id
, id
);
5781 const char *cmd_env
= getenv("TIG_LS_REMOTE");
5782 const char *cmd
= cmd_env
&& *cmd_env
? cmd_env
: TIG_LS_REMOTE
;
5784 return read_properties(popen(cmd
, "r"), "\t", read_ref
);
5788 read_repo_config_option(char *name
, size_t namelen
, char *value
, size_t valuelen
)
5790 if (!strcmp(name
, "i18n.commitencoding"))
5791 string_ncopy(opt_encoding
, value
, valuelen
);
5793 if (!strcmp(name
, "core.editor"))
5794 string_ncopy(opt_editor
, value
, valuelen
);
5796 /* branch.<head>.remote */
5798 !strncmp(name
, "branch.", 7) &&
5799 !strncmp(name
+ 7, opt_head
, strlen(opt_head
)) &&
5800 !strcmp(name
+ 7 + strlen(opt_head
), ".remote"))
5801 string_ncopy(opt_remote
, value
, valuelen
);
5803 if (*opt_head
&& *opt_remote
&&
5804 !strncmp(name
, "branch.", 7) &&
5805 !strncmp(name
+ 7, opt_head
, strlen(opt_head
)) &&
5806 !strcmp(name
+ 7 + strlen(opt_head
), ".merge")) {
5807 size_t from
= strlen(opt_remote
);
5809 if (!strncmp(value
, "refs/heads/", STRING_SIZE("refs/heads/"))) {
5810 value
+= STRING_SIZE("refs/heads/");
5811 valuelen
-= STRING_SIZE("refs/heads/");
5814 if (!string_format_from(opt_remote
, &from
, "/%s", value
))
5822 load_git_config(void)
5824 return read_properties(popen(GIT_CONFIG
" --list", "r"),
5825 "=", read_repo_config_option
);
5829 read_repo_info(char *name
, size_t namelen
, char *value
, size_t valuelen
)
5831 if (!opt_git_dir
[0]) {
5832 string_ncopy(opt_git_dir
, name
, namelen
);
5834 } else if (opt_is_inside_work_tree
== -1) {
5835 /* This can be 3 different values depending on the
5836 * version of git being used. If git-rev-parse does not
5837 * understand --is-inside-work-tree it will simply echo
5838 * the option else either "true" or "false" is printed.
5839 * Default to true for the unknown case. */
5840 opt_is_inside_work_tree
= strcmp(name
, "false") ? TRUE
: FALSE
;
5842 } else if (opt_cdup
[0] == ' ') {
5843 string_ncopy(opt_cdup
, name
, namelen
);
5845 if (!strncmp(name
, "refs/heads/", STRING_SIZE("refs/heads/"))) {
5846 namelen
-= STRING_SIZE("refs/heads/");
5847 name
+= STRING_SIZE("refs/heads/");
5848 string_ncopy(opt_head
, name
, namelen
);
5856 load_repo_info(void)
5859 FILE *pipe
= popen("(git rev-parse --git-dir --is-inside-work-tree "
5860 " --show-cdup; git symbolic-ref HEAD) 2>/dev/null", "r");
5862 /* XXX: The line outputted by "--show-cdup" can be empty so
5863 * initialize it to something invalid to make it possible to
5864 * detect whether it has been set or not. */
5867 result
= read_properties(pipe
, "=", read_repo_info
);
5868 if (opt_cdup
[0] == ' ')
5875 read_properties(FILE *pipe
, const char *separators
,
5876 int (*read_property
)(char *, size_t, char *, size_t))
5878 char buffer
[BUFSIZ
];
5885 while (state
== OK
&& (name
= fgets(buffer
, sizeof(buffer
), pipe
))) {
5890 name
= chomp_string(name
);
5891 namelen
= strcspn(name
, separators
);
5893 if (name
[namelen
]) {
5895 value
= chomp_string(name
+ namelen
+ 1);
5896 valuelen
= strlen(value
);
5903 state
= read_property(name
, namelen
, value
, valuelen
);
5906 if (state
!= ERR
&& ferror(pipe
))
5919 static void __NORETURN
5922 /* XXX: Restore tty modes and let the OS cleanup the rest! */
5928 static void __NORETURN
5929 die(const char *err
, ...)
5935 va_start(args
, err
);
5936 fputs("tig: ", stderr
);
5937 vfprintf(stderr
, err
, args
);
5938 fputs("\n", stderr
);
5945 warn(const char *msg
, ...)
5949 va_start(args
, msg
);
5950 fputs("tig warning: ", stderr
);
5951 vfprintf(stderr
, msg
, args
);
5952 fputs("\n", stderr
);
5957 main(int argc
, char *argv
[])
5960 enum request request
;
5963 signal(SIGINT
, quit
);
5965 if (setlocale(LC_ALL
, "")) {
5966 char *codeset
= nl_langinfo(CODESET
);
5968 string_ncopy(opt_codeset
, codeset
, strlen(codeset
));
5971 if (load_repo_info() == ERR
)
5972 die("Failed to load repo info.");
5974 if (load_options() == ERR
)
5975 die("Failed to load user config.");
5977 if (load_git_config() == ERR
)
5978 die("Failed to load repo config.");
5980 request
= parse_options(argc
, argv
);
5981 if (request
== REQ_NONE
)
5984 /* Require a git repository unless when running in pager mode. */
5985 if (!opt_git_dir
[0] && request
!= REQ_VIEW_PAGER
)
5986 die("Not a git repository");
5988 if (*opt_encoding
&& strcasecmp(opt_encoding
, "UTF-8"))
5991 if (*opt_codeset
&& strcmp(opt_codeset
, opt_encoding
)) {
5992 opt_iconv
= iconv_open(opt_codeset
, opt_encoding
);
5993 if (opt_iconv
== ICONV_NONE
)
5994 die("Failed to initialize character set conversion");
5997 if (*opt_git_dir
&& load_refs() == ERR
)
5998 die("Failed to load refs.");
6000 for (i
= 0; i
< ARRAY_SIZE(views
) && (view
= &views
[i
]); i
++)
6001 view
->cmd_env
= getenv(view
->cmd_env
);
6005 while (view_driver(display
[current_view
], request
)) {
6009 foreach_view (view
, i
)
6012 /* Refresh, accept single keystroke of input */
6013 key
= wgetch(status_win
);
6015 /* wgetch() with nodelay() enabled returns ERR when there's no
6022 request
= get_keybinding(display
[current_view
]->keymap
, key
);
6024 /* Some low-level request handling. This keeps access to
6025 * status_win restricted. */
6029 char *cmd
= read_prompt(":");
6031 if (cmd
&& string_format(opt_cmd
, "git %s", cmd
)) {
6032 if (strncmp(cmd
, "show", 4) && isspace(cmd
[4])) {
6033 request
= REQ_VIEW_DIFF
;
6035 request
= REQ_VIEW_PAGER
;
6038 /* Always reload^Wrerun commands from the prompt. */
6039 open_view(view
, request
, OPEN_RELOAD
);
6046 case REQ_SEARCH_BACK
:
6048 const char *prompt
= request
== REQ_SEARCH
6050 char *search
= read_prompt(prompt
);
6053 string_ncopy(opt_search
, search
, strlen(search
));
6058 case REQ_SCREEN_RESIZE
:
6062 getmaxyx(stdscr
, height
, width
);
6064 /* Resize the status view and let the view driver take
6065 * care of resizing the displayed views. */
6066 wresize(status_win
, 1, width
);
6067 mvwin(status_win
, height
- 1, 0);
6068 wrefresh(status_win
);