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Commit | Line | Data |
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178cb243 LT |
1 | /* |
2 | * rev-parse.c | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | */ | |
6 | #include "cache.h" | |
a8be83fe | 7 | #include "commit.h" |
960bba0d | 8 | #include "refs.h" |
c1babb1d | 9 | #include "quote.h" |
895f10c3 | 10 | #include "builtin.h" |
21d47835 | 11 | #include "parse-options.h" |
a8be83fe | 12 | |
4866ccf0 JH |
13 | #define DO_REVS 1 |
14 | #define DO_NOREV 2 | |
15 | #define DO_FLAGS 4 | |
16 | #define DO_NONFLAGS 8 | |
17 | static int filter = ~0; | |
18 | ||
96f1e58f | 19 | static const char *def; |
023d66ed | 20 | |
042a4ed7 LT |
21 | #define NORMAL 0 |
22 | #define REVERSED 1 | |
23 | static int show_type = NORMAL; | |
a6d97d49 JH |
24 | |
25 | #define SHOW_SYMBOLIC_ASIS 1 | |
26 | #define SHOW_SYMBOLIC_FULL 2 | |
96f1e58f DR |
27 | static int symbolic; |
28 | static int abbrev; | |
29 | static int output_sq; | |
4866ccf0 | 30 | |
921d865e LT |
31 | /* |
32 | * Some arguments are relevant "revision" arguments, | |
33 | * others are about output format or other details. | |
34 | * This sorts it all out. | |
35 | */ | |
36 | static int is_rev_argument(const char *arg) | |
37 | { | |
38 | static const char *rev_args[] = { | |
e091eb93 | 39 | "--all", |
4866ccf0 | 40 | "--bisect", |
5a83f3be | 41 | "--dense", |
a62be77f | 42 | "--branches", |
4866ccf0 | 43 | "--header", |
921d865e | 44 | "--max-age=", |
4866ccf0 | 45 | "--max-count=", |
4866ccf0 | 46 | "--min-age=", |
5ccfb758 | 47 | "--no-merges", |
4866ccf0 | 48 | "--objects", |
c6496575 | 49 | "--objects-edge", |
4866ccf0 JH |
50 | "--parents", |
51 | "--pretty", | |
a62be77f | 52 | "--remotes", |
5a83f3be | 53 | "--sparse", |
a62be77f | 54 | "--tags", |
4866ccf0 | 55 | "--topo-order", |
4c8725f1 | 56 | "--date-order", |
4866ccf0 | 57 | "--unpacked", |
921d865e LT |
58 | NULL |
59 | }; | |
60 | const char **p = rev_args; | |
61 | ||
8233340c EW |
62 | /* accept -<digit>, like traditional "head" */ |
63 | if ((*arg == '-') && isdigit(arg[1])) | |
64 | return 1; | |
65 | ||
921d865e LT |
66 | for (;;) { |
67 | const char *str = *p++; | |
68 | int len; | |
69 | if (!str) | |
70 | return 0; | |
71 | len = strlen(str); | |
4866ccf0 JH |
72 | if (!strcmp(arg, str) || |
73 | (str[len-1] == '=' && !strncmp(arg, str, len))) | |
921d865e LT |
74 | return 1; |
75 | } | |
76 | } | |
77 | ||
4866ccf0 | 78 | /* Output argument as a string, either SQ or normal */ |
5bb2c65a JH |
79 | static void show(const char *arg) |
80 | { | |
81 | if (output_sq) { | |
82 | int sq = '\'', ch; | |
83 | ||
84 | putchar(sq); | |
85 | while ((ch = *arg++)) { | |
86 | if (ch == sq) | |
87 | fputs("'\\'", stdout); | |
88 | putchar(ch); | |
89 | } | |
90 | putchar(sq); | |
91 | putchar(' '); | |
92 | } | |
93 | else | |
94 | puts(arg); | |
95 | } | |
96 | ||
e00f3790 JS |
97 | /* Like show(), but with a negation prefix according to type */ |
98 | static void show_with_type(int type, const char *arg) | |
99 | { | |
100 | if (type != show_type) | |
101 | putchar('^'); | |
102 | show(arg); | |
103 | } | |
104 | ||
4866ccf0 | 105 | /* Output a revision, only if filter allows it */ |
30b96fce | 106 | static void show_rev(int type, const unsigned char *sha1, const char *name) |
023d66ed | 107 | { |
4866ccf0 | 108 | if (!(filter & DO_REVS)) |
023d66ed | 109 | return; |
4866ccf0 | 110 | def = NULL; |
5bb2c65a | 111 | |
a6d97d49 JH |
112 | if (symbolic && name) { |
113 | if (symbolic == SHOW_SYMBOLIC_FULL) { | |
114 | unsigned char discard[20]; | |
115 | char *full; | |
116 | ||
117 | switch (dwim_ref(name, strlen(name), discard, &full)) { | |
118 | case 0: | |
119 | /* | |
120 | * Not found -- not a ref. We could | |
121 | * emit "name" here, but symbolic-full | |
122 | * users are interested in finding the | |
123 | * refs spelled in full, and they would | |
124 | * need to filter non-refs if we did so. | |
125 | */ | |
126 | break; | |
127 | case 1: /* happy */ | |
e00f3790 | 128 | show_with_type(type, full); |
a6d97d49 JH |
129 | break; |
130 | default: /* ambiguous */ | |
131 | error("refname '%s' is ambiguous", name); | |
132 | break; | |
133 | } | |
134 | } else { | |
e00f3790 | 135 | show_with_type(type, name); |
a6d97d49 JH |
136 | } |
137 | } | |
d5012508 | 138 | else if (abbrev) |
e00f3790 | 139 | show_with_type(type, find_unique_abbrev(sha1, abbrev)); |
30b96fce | 140 | else |
e00f3790 | 141 | show_with_type(type, sha1_to_hex(sha1)); |
023d66ed LT |
142 | } |
143 | ||
4866ccf0 | 144 | /* Output a flag, only if filter allows it. */ |
16cee38a | 145 | static int show_flag(const char *arg) |
023d66ed | 146 | { |
4866ccf0 | 147 | if (!(filter & DO_FLAGS)) |
9523a4c2 LT |
148 | return 0; |
149 | if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV)) { | |
0360e99d | 150 | show(arg); |
9523a4c2 LT |
151 | return 1; |
152 | } | |
153 | return 0; | |
023d66ed LT |
154 | } |
155 | ||
dfd1b749 | 156 | static int show_default(void) |
023d66ed | 157 | { |
16cee38a | 158 | const char *s = def; |
023d66ed LT |
159 | |
160 | if (s) { | |
161 | unsigned char sha1[20]; | |
162 | ||
163 | def = NULL; | |
9938af6a | 164 | if (!get_sha1(s, sha1)) { |
30b96fce | 165 | show_rev(NORMAL, sha1, s); |
dfd1b749 | 166 | return 1; |
023d66ed | 167 | } |
023d66ed | 168 | } |
dfd1b749 | 169 | return 0; |
023d66ed LT |
170 | } |
171 | ||
8da19775 | 172 | static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) |
960bba0d | 173 | { |
30b96fce | 174 | show_rev(NORMAL, sha1, refname); |
960bba0d LT |
175 | return 0; |
176 | } | |
177 | ||
c1babb1d LT |
178 | static void show_datestring(const char *flag, const char *datestr) |
179 | { | |
c1babb1d | 180 | static char buffer[100]; |
c1babb1d LT |
181 | |
182 | /* date handling requires both flags and revs */ | |
183 | if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS)) | |
184 | return; | |
3c07b1d1 | 185 | snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr)); |
c1babb1d LT |
186 | show(buffer); |
187 | } | |
188 | ||
9ad0a933 | 189 | static int show_file(const char *arg) |
7a3dd472 | 190 | { |
7b34c2fa | 191 | show_default(); |
9ad0a933 | 192 | if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) { |
7a3dd472 | 193 | show(arg); |
9ad0a933 LT |
194 | return 1; |
195 | } | |
196 | return 0; | |
7a3dd472 LT |
197 | } |
198 | ||
b7d936b2 | 199 | static int try_difference(const char *arg) |
3dd4e732 SB |
200 | { |
201 | char *dotdot; | |
202 | unsigned char sha1[20]; | |
203 | unsigned char end[20]; | |
204 | const char *next; | |
205 | const char *this; | |
206 | int symmetric; | |
207 | ||
208 | if (!(dotdot = strstr(arg, ".."))) | |
209 | return 0; | |
210 | next = dotdot + 2; | |
211 | this = arg; | |
212 | symmetric = (*next == '.'); | |
213 | ||
214 | *dotdot = 0; | |
215 | next += symmetric; | |
216 | ||
217 | if (!*next) | |
218 | next = "HEAD"; | |
219 | if (dotdot == arg) | |
220 | this = "HEAD"; | |
221 | if (!get_sha1(this, sha1) && !get_sha1(next, end)) { | |
222 | show_rev(NORMAL, end, next); | |
223 | show_rev(symmetric ? NORMAL : REVERSED, sha1, this); | |
224 | if (symmetric) { | |
225 | struct commit_list *exclude; | |
226 | struct commit *a, *b; | |
227 | a = lookup_commit_reference(sha1); | |
228 | b = lookup_commit_reference(end); | |
229 | exclude = get_merge_bases(a, b, 1); | |
230 | while (exclude) { | |
231 | struct commit_list *n = exclude->next; | |
232 | show_rev(REVERSED, | |
233 | exclude->item->object.sha1,NULL); | |
234 | free(exclude); | |
235 | exclude = n; | |
236 | } | |
237 | } | |
238 | return 1; | |
239 | } | |
240 | *dotdot = '.'; | |
241 | return 0; | |
242 | } | |
243 | ||
2122f8b9 BS |
244 | static int try_parent_shorthands(const char *arg) |
245 | { | |
246 | char *dotdot; | |
247 | unsigned char sha1[20]; | |
248 | struct commit *commit; | |
249 | struct commit_list *parents; | |
250 | int parents_only; | |
251 | ||
252 | if ((dotdot = strstr(arg, "^!"))) | |
253 | parents_only = 0; | |
254 | else if ((dotdot = strstr(arg, "^@"))) | |
255 | parents_only = 1; | |
256 | ||
257 | if (!dotdot || dotdot[2]) | |
258 | return 0; | |
259 | ||
260 | *dotdot = 0; | |
261 | if (get_sha1(arg, sha1)) | |
262 | return 0; | |
263 | ||
264 | if (!parents_only) | |
265 | show_rev(NORMAL, sha1, arg); | |
266 | commit = lookup_commit_reference(sha1); | |
267 | for (parents = commit->parents; parents; parents = parents->next) | |
268 | show_rev(parents_only ? NORMAL : REVERSED, | |
269 | parents->item->object.sha1, arg); | |
270 | ||
271 | return 1; | |
272 | } | |
273 | ||
21d47835 PH |
274 | static int parseopt_dump(const struct option *o, const char *arg, int unset) |
275 | { | |
276 | struct strbuf *parsed = o->value; | |
277 | if (unset) | |
278 | strbuf_addf(parsed, " --no-%s", o->long_name); | |
279 | else if (o->short_name) | |
280 | strbuf_addf(parsed, " -%c", o->short_name); | |
281 | else | |
282 | strbuf_addf(parsed, " --%s", o->long_name); | |
283 | if (arg) { | |
284 | strbuf_addch(parsed, ' '); | |
285 | sq_quote_buf(parsed, arg); | |
286 | } | |
287 | return 0; | |
288 | } | |
289 | ||
290 | static const char *skipspaces(const char *s) | |
291 | { | |
292 | while (isspace(*s)) | |
293 | s++; | |
294 | return s; | |
295 | } | |
296 | ||
297 | static int cmd_parseopt(int argc, const char **argv, const char *prefix) | |
298 | { | |
299 | static int keep_dashdash = 0; | |
300 | static char const * const parseopt_usage[] = { | |
1b1dd23f | 301 | "git rev-parse --parseopt [options] -- [<args>...]", |
21d47835 PH |
302 | NULL |
303 | }; | |
304 | static struct option parseopt_opts[] = { | |
305 | OPT_BOOLEAN(0, "keep-dashdash", &keep_dashdash, | |
306 | "keep the `--` passed as an arg"), | |
307 | OPT_END(), | |
308 | }; | |
309 | ||
310 | struct strbuf sb, parsed; | |
311 | const char **usage = NULL; | |
312 | struct option *opts = NULL; | |
313 | int onb = 0, osz = 0, unb = 0, usz = 0; | |
314 | ||
315 | strbuf_init(&parsed, 0); | |
316 | strbuf_addstr(&parsed, "set --"); | |
317 | argc = parse_options(argc, argv, parseopt_opts, parseopt_usage, | |
318 | PARSE_OPT_KEEP_DASHDASH); | |
319 | if (argc < 1 || strcmp(argv[0], "--")) | |
320 | usage_with_options(parseopt_usage, parseopt_opts); | |
321 | ||
322 | strbuf_init(&sb, 0); | |
323 | /* get the usage up to the first line with a -- on it */ | |
324 | for (;;) { | |
325 | if (strbuf_getline(&sb, stdin, '\n') == EOF) | |
326 | die("premature end of input"); | |
327 | ALLOC_GROW(usage, unb + 1, usz); | |
328 | if (!strcmp("--", sb.buf)) { | |
329 | if (unb < 1) | |
330 | die("no usage string given before the `--' separator"); | |
331 | usage[unb] = NULL; | |
332 | break; | |
333 | } | |
334 | usage[unb++] = strbuf_detach(&sb, NULL); | |
335 | } | |
336 | ||
337 | /* parse: (<short>|<short>,<long>|<long>)[=?]? SP+ <help> */ | |
338 | while (strbuf_getline(&sb, stdin, '\n') != EOF) { | |
339 | const char *s; | |
340 | struct option *o; | |
341 | ||
342 | if (!sb.len) | |
343 | continue; | |
344 | ||
345 | ALLOC_GROW(opts, onb + 1, osz); | |
346 | memset(opts + onb, 0, sizeof(opts[onb])); | |
347 | ||
348 | o = &opts[onb++]; | |
349 | s = strchr(sb.buf, ' '); | |
350 | if (!s || *sb.buf == ' ') { | |
351 | o->type = OPTION_GROUP; | |
e1033436 | 352 | o->help = xstrdup(skipspaces(sb.buf)); |
21d47835 PH |
353 | continue; |
354 | } | |
355 | ||
356 | o->type = OPTION_CALLBACK; | |
357 | o->help = xstrdup(skipspaces(s)); | |
358 | o->value = &parsed; | |
ff962a3f | 359 | o->flags = PARSE_OPT_NOARG; |
21d47835 | 360 | o->callback = &parseopt_dump; |
ff962a3f PH |
361 | while (s > sb.buf && strchr("*=?!", s[-1])) { |
362 | switch (*--s) { | |
363 | case '=': | |
364 | o->flags &= ~PARSE_OPT_NOARG; | |
365 | break; | |
366 | case '?': | |
367 | o->flags &= ~PARSE_OPT_NOARG; | |
368 | o->flags |= PARSE_OPT_OPTARG; | |
369 | break; | |
370 | case '!': | |
371 | o->flags |= PARSE_OPT_NONEG; | |
372 | break; | |
373 | case '*': | |
374 | o->flags |= PARSE_OPT_HIDDEN; | |
375 | break; | |
376 | } | |
21d47835 PH |
377 | } |
378 | ||
379 | if (s - sb.buf == 1) /* short option only */ | |
380 | o->short_name = *sb.buf; | |
381 | else if (sb.buf[1] != ',') /* long option only */ | |
382 | o->long_name = xmemdupz(sb.buf, s - sb.buf); | |
383 | else { | |
384 | o->short_name = *sb.buf; | |
385 | o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2); | |
386 | } | |
387 | } | |
388 | strbuf_release(&sb); | |
389 | ||
390 | /* put an OPT_END() */ | |
391 | ALLOC_GROW(opts, onb + 1, osz); | |
392 | memset(opts + onb, 0, sizeof(opts[onb])); | |
393 | argc = parse_options(argc, argv, opts, usage, | |
394 | keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0); | |
395 | ||
396 | strbuf_addf(&parsed, " --"); | |
b319ce4c | 397 | sq_quote_argv(&parsed, argv, 0); |
21d47835 PH |
398 | puts(parsed.buf); |
399 | return 0; | |
400 | } | |
401 | ||
b1b35969 CC |
402 | static void die_no_single_rev(int quiet) |
403 | { | |
404 | if (quiet) | |
405 | exit(1); | |
406 | else | |
407 | die("Needed a single revision"); | |
408 | } | |
409 | ||
a633fca0 | 410 | int cmd_rev_parse(int argc, const char **argv, const char *prefix) |
178cb243 | 411 | { |
dfd1b749 | 412 | int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; |
178cb243 | 413 | unsigned char sha1[20]; |
dfd1b749 | 414 | const char *name = NULL; |
a62be77f | 415 | |
21d47835 PH |
416 | if (argc > 1 && !strcmp("--parseopt", argv[1])) |
417 | return cmd_parseopt(argc - 1, argv + 1, prefix); | |
418 | ||
5410a02a | 419 | prefix = setup_git_directory(); |
ef90d6d4 | 420 | git_config(git_default_config, NULL); |
178cb243 | 421 | for (i = 1; i < argc; i++) { |
16cee38a | 422 | const char *arg = argv[i]; |
fb18a2ed | 423 | |
178cb243 | 424 | if (as_is) { |
fb18a2ed | 425 | if (show_file(arg) && as_is < 2) |
e23d0b4a | 426 | verify_filename(prefix, arg); |
178cb243 LT |
427 | continue; |
428 | } | |
3af06987 EW |
429 | if (!strcmp(arg,"-n")) { |
430 | if (++i >= argc) | |
431 | die("-n requires an argument"); | |
432 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) { | |
433 | show(arg); | |
434 | show(argv[i]); | |
435 | } | |
436 | continue; | |
437 | } | |
1968d77d | 438 | if (!prefixcmp(arg, "-n")) { |
3af06987 EW |
439 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) |
440 | show(arg); | |
441 | continue; | |
442 | } | |
443 | ||
178cb243 LT |
444 | if (*arg == '-') { |
445 | if (!strcmp(arg, "--")) { | |
fb18a2ed | 446 | as_is = 2; |
a08b6505 LT |
447 | /* Pass on the "--" if we show anything but files.. */ |
448 | if (filter & (DO_FLAGS | DO_REVS)) | |
449 | show_file(arg); | |
4866ccf0 | 450 | continue; |
178cb243 LT |
451 | } |
452 | if (!strcmp(arg, "--default")) { | |
178cb243 LT |
453 | def = argv[i+1]; |
454 | i++; | |
455 | continue; | |
456 | } | |
8ebb0184 | 457 | if (!strcmp(arg, "--revs-only")) { |
4866ccf0 | 458 | filter &= ~DO_NOREV; |
8ebb0184 LT |
459 | continue; |
460 | } | |
461 | if (!strcmp(arg, "--no-revs")) { | |
4866ccf0 | 462 | filter &= ~DO_REVS; |
8ebb0184 LT |
463 | continue; |
464 | } | |
f79b65aa | 465 | if (!strcmp(arg, "--flags")) { |
4866ccf0 | 466 | filter &= ~DO_NONFLAGS; |
f79b65aa LT |
467 | continue; |
468 | } | |
469 | if (!strcmp(arg, "--no-flags")) { | |
4866ccf0 | 470 | filter &= ~DO_FLAGS; |
f79b65aa LT |
471 | continue; |
472 | } | |
023d66ed | 473 | if (!strcmp(arg, "--verify")) { |
4866ccf0 JH |
474 | filter &= ~(DO_FLAGS|DO_NOREV); |
475 | verify = 1; | |
023d66ed | 476 | continue; |
921d865e | 477 | } |
b1b35969 CC |
478 | if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) { |
479 | quiet = 1; | |
480 | continue; | |
481 | } | |
62a604ba | 482 | if (!strcmp(arg, "--short") || |
cc44c765 | 483 | !prefixcmp(arg, "--short=")) { |
d5012508 JH |
484 | filter &= ~(DO_FLAGS|DO_NOREV); |
485 | verify = 1; | |
486 | abbrev = DEFAULT_ABBREV; | |
44de0da4 JF |
487 | if (arg[7] == '=') |
488 | abbrev = strtoul(arg + 8, NULL, 10); | |
1dc4fb84 JH |
489 | if (abbrev < MINIMUM_ABBREV) |
490 | abbrev = MINIMUM_ABBREV; | |
491 | else if (40 <= abbrev) | |
492 | abbrev = 40; | |
d5012508 JH |
493 | continue; |
494 | } | |
5bb2c65a JH |
495 | if (!strcmp(arg, "--sq")) { |
496 | output_sq = 1; | |
497 | continue; | |
498 | } | |
042a4ed7 LT |
499 | if (!strcmp(arg, "--not")) { |
500 | show_type ^= REVERSED; | |
501 | continue; | |
502 | } | |
30b96fce | 503 | if (!strcmp(arg, "--symbolic")) { |
a6d97d49 JH |
504 | symbolic = SHOW_SYMBOLIC_ASIS; |
505 | continue; | |
506 | } | |
507 | if (!strcmp(arg, "--symbolic-full-name")) { | |
508 | symbolic = SHOW_SYMBOLIC_FULL; | |
30b96fce JH |
509 | continue; |
510 | } | |
960bba0d | 511 | if (!strcmp(arg, "--all")) { |
cb5d709f | 512 | for_each_ref(show_reference, NULL); |
960bba0d LT |
513 | continue; |
514 | } | |
a62be77f | 515 | if (!strcmp(arg, "--branches")) { |
cb5d709f | 516 | for_each_branch_ref(show_reference, NULL); |
a62be77f SE |
517 | continue; |
518 | } | |
519 | if (!strcmp(arg, "--tags")) { | |
cb5d709f | 520 | for_each_tag_ref(show_reference, NULL); |
a62be77f SE |
521 | continue; |
522 | } | |
523 | if (!strcmp(arg, "--remotes")) { | |
cb5d709f | 524 | for_each_remote_ref(show_reference, NULL); |
a62be77f SE |
525 | continue; |
526 | } | |
d288a700 | 527 | if (!strcmp(arg, "--show-prefix")) { |
4866ccf0 JH |
528 | if (prefix) |
529 | puts(prefix); | |
d288a700 LT |
530 | continue; |
531 | } | |
5f94c730 JH |
532 | if (!strcmp(arg, "--show-cdup")) { |
533 | const char *pfx = prefix; | |
e90fdc39 JS |
534 | if (!is_inside_work_tree()) { |
535 | const char *work_tree = | |
536 | get_git_work_tree(); | |
537 | if (work_tree) | |
538 | printf("%s\n", work_tree); | |
539 | continue; | |
540 | } | |
5f94c730 JH |
541 | while (pfx) { |
542 | pfx = strchr(pfx, '/'); | |
543 | if (pfx) { | |
544 | pfx++; | |
545 | printf("../"); | |
546 | } | |
547 | } | |
548 | putchar('\n'); | |
549 | continue; | |
550 | } | |
a8783eeb LT |
551 | if (!strcmp(arg, "--git-dir")) { |
552 | const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); | |
553 | static char cwd[PATH_MAX]; | |
554 | if (gitdir) { | |
555 | puts(gitdir); | |
556 | continue; | |
557 | } | |
558 | if (!prefix) { | |
559 | puts(".git"); | |
560 | continue; | |
561 | } | |
562 | if (!getcwd(cwd, PATH_MAX)) | |
563 | die("unable to get current working directory"); | |
564 | printf("%s/.git\n", cwd); | |
565 | continue; | |
566 | } | |
6d9ba67b JS |
567 | if (!strcmp(arg, "--is-inside-git-dir")) { |
568 | printf("%s\n", is_inside_git_dir() ? "true" | |
569 | : "false"); | |
570 | continue; | |
571 | } | |
892c41b9 ML |
572 | if (!strcmp(arg, "--is-inside-work-tree")) { |
573 | printf("%s\n", is_inside_work_tree() ? "true" | |
574 | : "false"); | |
575 | continue; | |
576 | } | |
493c774e ML |
577 | if (!strcmp(arg, "--is-bare-repository")) { |
578 | printf("%s\n", is_bare_repository() ? "true" | |
579 | : "false"); | |
580 | continue; | |
581 | } | |
cc44c765 | 582 | if (!prefixcmp(arg, "--since=")) { |
c1babb1d LT |
583 | show_datestring("--max-age=", arg+8); |
584 | continue; | |
585 | } | |
cc44c765 | 586 | if (!prefixcmp(arg, "--after=")) { |
c1babb1d LT |
587 | show_datestring("--max-age=", arg+8); |
588 | continue; | |
589 | } | |
cc44c765 | 590 | if (!prefixcmp(arg, "--before=")) { |
c1babb1d LT |
591 | show_datestring("--min-age=", arg+9); |
592 | continue; | |
593 | } | |
cc44c765 | 594 | if (!prefixcmp(arg, "--until=")) { |
c1babb1d LT |
595 | show_datestring("--min-age=", arg+8); |
596 | continue; | |
597 | } | |
9523a4c2 | 598 | if (show_flag(arg) && verify) |
b1b35969 | 599 | die_no_single_rev(quiet); |
178cb243 LT |
600 | continue; |
601 | } | |
4866ccf0 JH |
602 | |
603 | /* Not a flag argument */ | |
3dd4e732 SB |
604 | if (try_difference(arg)) |
605 | continue; | |
2122f8b9 BS |
606 | if (try_parent_shorthands(arg)) |
607 | continue; | |
dfd1b749 CC |
608 | name = arg; |
609 | type = NORMAL; | |
610 | if (*arg == '^') { | |
611 | name++; | |
612 | type = REVERSED; | |
800644c5 | 613 | } |
dfd1b749 CC |
614 | if (!get_sha1(name, sha1)) { |
615 | if (verify) | |
616 | revs_count++; | |
617 | else | |
618 | show_rev(type, sha1, name); | |
800644c5 LT |
619 | continue; |
620 | } | |
75ecfce3 CC |
621 | if (verify) |
622 | die_no_single_rev(quiet); | |
9ad0a933 LT |
623 | as_is = 1; |
624 | if (!show_file(arg)) | |
625 | continue; | |
e23d0b4a | 626 | verify_filename(prefix, arg); |
023d66ed | 627 | } |
dfd1b749 CC |
628 | if (verify) { |
629 | if (revs_count == 1) { | |
630 | show_rev(type, sha1, name); | |
631 | return 0; | |
632 | } else if (revs_count == 0 && show_default()) | |
633 | return 0; | |
b1b35969 | 634 | die_no_single_rev(quiet); |
dfd1b749 CC |
635 | } else |
636 | show_default(); | |
178cb243 LT |
637 | return 0; |
638 | } |