]>
Commit | Line | Data |
---|---|---|
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; | |
a45d3469 BW |
29 | static int abbrev_ref; |
30 | static int abbrev_ref_strict; | |
96f1e58f | 31 | static int output_sq; |
4866ccf0 | 32 | |
921d865e LT |
33 | /* |
34 | * Some arguments are relevant "revision" arguments, | |
35 | * others are about output format or other details. | |
36 | * This sorts it all out. | |
37 | */ | |
38 | static int is_rev_argument(const char *arg) | |
39 | { | |
40 | static const char *rev_args[] = { | |
e091eb93 | 41 | "--all", |
4866ccf0 | 42 | "--bisect", |
5a83f3be | 43 | "--dense", |
b09fe971 | 44 | "--branches=", |
a62be77f | 45 | "--branches", |
4866ccf0 | 46 | "--header", |
921d865e | 47 | "--max-age=", |
4866ccf0 | 48 | "--max-count=", |
4866ccf0 | 49 | "--min-age=", |
5ccfb758 | 50 | "--no-merges", |
4866ccf0 | 51 | "--objects", |
c6496575 | 52 | "--objects-edge", |
4866ccf0 JH |
53 | "--parents", |
54 | "--pretty", | |
b09fe971 | 55 | "--remotes=", |
a62be77f | 56 | "--remotes", |
d08bae7e | 57 | "--glob=", |
5a83f3be | 58 | "--sparse", |
b09fe971 | 59 | "--tags=", |
a62be77f | 60 | "--tags", |
4866ccf0 | 61 | "--topo-order", |
4c8725f1 | 62 | "--date-order", |
4866ccf0 | 63 | "--unpacked", |
921d865e LT |
64 | NULL |
65 | }; | |
66 | const char **p = rev_args; | |
67 | ||
8233340c EW |
68 | /* accept -<digit>, like traditional "head" */ |
69 | if ((*arg == '-') && isdigit(arg[1])) | |
70 | return 1; | |
71 | ||
921d865e LT |
72 | for (;;) { |
73 | const char *str = *p++; | |
74 | int len; | |
75 | if (!str) | |
76 | return 0; | |
77 | len = strlen(str); | |
4866ccf0 JH |
78 | if (!strcmp(arg, str) || |
79 | (str[len-1] == '=' && !strncmp(arg, str, len))) | |
921d865e LT |
80 | return 1; |
81 | } | |
82 | } | |
83 | ||
4866ccf0 | 84 | /* Output argument as a string, either SQ or normal */ |
5bb2c65a JH |
85 | static void show(const char *arg) |
86 | { | |
87 | if (output_sq) { | |
88 | int sq = '\'', ch; | |
89 | ||
90 | putchar(sq); | |
91 | while ((ch = *arg++)) { | |
92 | if (ch == sq) | |
93 | fputs("'\\'", stdout); | |
94 | putchar(ch); | |
95 | } | |
96 | putchar(sq); | |
97 | putchar(' '); | |
98 | } | |
99 | else | |
100 | puts(arg); | |
101 | } | |
102 | ||
e00f3790 JS |
103 | /* Like show(), but with a negation prefix according to type */ |
104 | static void show_with_type(int type, const char *arg) | |
105 | { | |
106 | if (type != show_type) | |
107 | putchar('^'); | |
108 | show(arg); | |
109 | } | |
110 | ||
4866ccf0 | 111 | /* Output a revision, only if filter allows it */ |
30b96fce | 112 | static void show_rev(int type, const unsigned char *sha1, const char *name) |
023d66ed | 113 | { |
4866ccf0 | 114 | if (!(filter & DO_REVS)) |
023d66ed | 115 | return; |
4866ccf0 | 116 | def = NULL; |
5bb2c65a | 117 | |
a45d3469 BW |
118 | if ((symbolic || abbrev_ref) && name) { |
119 | if (symbolic == SHOW_SYMBOLIC_FULL || abbrev_ref) { | |
a6d97d49 JH |
120 | unsigned char discard[20]; |
121 | char *full; | |
122 | ||
123 | switch (dwim_ref(name, strlen(name), discard, &full)) { | |
124 | case 0: | |
125 | /* | |
126 | * Not found -- not a ref. We could | |
127 | * emit "name" here, but symbolic-full | |
128 | * users are interested in finding the | |
129 | * refs spelled in full, and they would | |
130 | * need to filter non-refs if we did so. | |
131 | */ | |
132 | break; | |
133 | case 1: /* happy */ | |
a45d3469 BW |
134 | if (abbrev_ref) |
135 | full = shorten_unambiguous_ref(full, | |
136 | abbrev_ref_strict); | |
e00f3790 | 137 | show_with_type(type, full); |
a6d97d49 JH |
138 | break; |
139 | default: /* ambiguous */ | |
140 | error("refname '%s' is ambiguous", name); | |
141 | break; | |
142 | } | |
143 | } else { | |
e00f3790 | 144 | show_with_type(type, name); |
a6d97d49 JH |
145 | } |
146 | } | |
d5012508 | 147 | else if (abbrev) |
e00f3790 | 148 | show_with_type(type, find_unique_abbrev(sha1, abbrev)); |
30b96fce | 149 | else |
e00f3790 | 150 | show_with_type(type, sha1_to_hex(sha1)); |
023d66ed LT |
151 | } |
152 | ||
4866ccf0 | 153 | /* Output a flag, only if filter allows it. */ |
16cee38a | 154 | static int show_flag(const char *arg) |
023d66ed | 155 | { |
4866ccf0 | 156 | if (!(filter & DO_FLAGS)) |
9523a4c2 LT |
157 | return 0; |
158 | if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV)) { | |
0360e99d | 159 | show(arg); |
9523a4c2 LT |
160 | return 1; |
161 | } | |
162 | return 0; | |
023d66ed LT |
163 | } |
164 | ||
dfd1b749 | 165 | static int show_default(void) |
023d66ed | 166 | { |
16cee38a | 167 | const char *s = def; |
023d66ed LT |
168 | |
169 | if (s) { | |
170 | unsigned char sha1[20]; | |
171 | ||
172 | def = NULL; | |
9938af6a | 173 | if (!get_sha1(s, sha1)) { |
30b96fce | 174 | show_rev(NORMAL, sha1, s); |
dfd1b749 | 175 | return 1; |
023d66ed | 176 | } |
023d66ed | 177 | } |
dfd1b749 | 178 | return 0; |
023d66ed LT |
179 | } |
180 | ||
8da19775 | 181 | static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) |
960bba0d | 182 | { |
30b96fce | 183 | show_rev(NORMAL, sha1, refname); |
960bba0d LT |
184 | return 0; |
185 | } | |
186 | ||
ad3f9a71 LT |
187 | static int anti_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) |
188 | { | |
189 | show_rev(REVERSED, sha1, refname); | |
190 | return 0; | |
191 | } | |
192 | ||
c1babb1d LT |
193 | static void show_datestring(const char *flag, const char *datestr) |
194 | { | |
c1babb1d | 195 | static char buffer[100]; |
c1babb1d LT |
196 | |
197 | /* date handling requires both flags and revs */ | |
198 | if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS)) | |
199 | return; | |
3c07b1d1 | 200 | snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr)); |
c1babb1d LT |
201 | show(buffer); |
202 | } | |
203 | ||
9ad0a933 | 204 | static int show_file(const char *arg) |
7a3dd472 | 205 | { |
7b34c2fa | 206 | show_default(); |
9ad0a933 | 207 | if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) { |
7a3dd472 | 208 | show(arg); |
9ad0a933 LT |
209 | return 1; |
210 | } | |
211 | return 0; | |
7a3dd472 LT |
212 | } |
213 | ||
b7d936b2 | 214 | static int try_difference(const char *arg) |
3dd4e732 SB |
215 | { |
216 | char *dotdot; | |
217 | unsigned char sha1[20]; | |
218 | unsigned char end[20]; | |
219 | const char *next; | |
220 | const char *this; | |
221 | int symmetric; | |
222 | ||
223 | if (!(dotdot = strstr(arg, ".."))) | |
224 | return 0; | |
225 | next = dotdot + 2; | |
226 | this = arg; | |
227 | symmetric = (*next == '.'); | |
228 | ||
229 | *dotdot = 0; | |
230 | next += symmetric; | |
231 | ||
232 | if (!*next) | |
233 | next = "HEAD"; | |
234 | if (dotdot == arg) | |
235 | this = "HEAD"; | |
236 | if (!get_sha1(this, sha1) && !get_sha1(next, end)) { | |
237 | show_rev(NORMAL, end, next); | |
238 | show_rev(symmetric ? NORMAL : REVERSED, sha1, this); | |
239 | if (symmetric) { | |
240 | struct commit_list *exclude; | |
241 | struct commit *a, *b; | |
242 | a = lookup_commit_reference(sha1); | |
243 | b = lookup_commit_reference(end); | |
244 | exclude = get_merge_bases(a, b, 1); | |
245 | while (exclude) { | |
246 | struct commit_list *n = exclude->next; | |
247 | show_rev(REVERSED, | |
248 | exclude->item->object.sha1,NULL); | |
249 | free(exclude); | |
250 | exclude = n; | |
251 | } | |
252 | } | |
253 | return 1; | |
254 | } | |
255 | *dotdot = '.'; | |
256 | return 0; | |
257 | } | |
258 | ||
2122f8b9 BS |
259 | static int try_parent_shorthands(const char *arg) |
260 | { | |
261 | char *dotdot; | |
262 | unsigned char sha1[20]; | |
263 | struct commit *commit; | |
264 | struct commit_list *parents; | |
265 | int parents_only; | |
266 | ||
267 | if ((dotdot = strstr(arg, "^!"))) | |
268 | parents_only = 0; | |
269 | else if ((dotdot = strstr(arg, "^@"))) | |
270 | parents_only = 1; | |
271 | ||
272 | if (!dotdot || dotdot[2]) | |
273 | return 0; | |
274 | ||
275 | *dotdot = 0; | |
276 | if (get_sha1(arg, sha1)) | |
277 | return 0; | |
278 | ||
279 | if (!parents_only) | |
280 | show_rev(NORMAL, sha1, arg); | |
281 | commit = lookup_commit_reference(sha1); | |
282 | for (parents = commit->parents; parents; parents = parents->next) | |
283 | show_rev(parents_only ? NORMAL : REVERSED, | |
284 | parents->item->object.sha1, arg); | |
285 | ||
286 | return 1; | |
287 | } | |
288 | ||
21d47835 PH |
289 | static int parseopt_dump(const struct option *o, const char *arg, int unset) |
290 | { | |
291 | struct strbuf *parsed = o->value; | |
292 | if (unset) | |
293 | strbuf_addf(parsed, " --no-%s", o->long_name); | |
294 | else if (o->short_name) | |
295 | strbuf_addf(parsed, " -%c", o->short_name); | |
296 | else | |
297 | strbuf_addf(parsed, " --%s", o->long_name); | |
298 | if (arg) { | |
299 | strbuf_addch(parsed, ' '); | |
300 | sq_quote_buf(parsed, arg); | |
301 | } | |
302 | return 0; | |
303 | } | |
304 | ||
305 | static const char *skipspaces(const char *s) | |
306 | { | |
307 | while (isspace(*s)) | |
308 | s++; | |
309 | return s; | |
310 | } | |
311 | ||
312 | static int cmd_parseopt(int argc, const char **argv, const char *prefix) | |
313 | { | |
6e0800ef | 314 | static int keep_dashdash = 0, stop_at_non_option = 0; |
21d47835 | 315 | static char const * const parseopt_usage[] = { |
1b1dd23f | 316 | "git rev-parse --parseopt [options] -- [<args>...]", |
21d47835 PH |
317 | NULL |
318 | }; | |
319 | static struct option parseopt_opts[] = { | |
320 | OPT_BOOLEAN(0, "keep-dashdash", &keep_dashdash, | |
321 | "keep the `--` passed as an arg"), | |
6e0800ef UKK |
322 | OPT_BOOLEAN(0, "stop-at-non-option", &stop_at_non_option, |
323 | "stop parsing after the " | |
324 | "first non-option argument"), | |
21d47835 PH |
325 | OPT_END(), |
326 | }; | |
327 | ||
f285a2d7 | 328 | struct strbuf sb = STRBUF_INIT, parsed = STRBUF_INIT; |
21d47835 PH |
329 | const char **usage = NULL; |
330 | struct option *opts = NULL; | |
331 | int onb = 0, osz = 0, unb = 0, usz = 0; | |
332 | ||
21d47835 | 333 | strbuf_addstr(&parsed, "set --"); |
37782920 | 334 | argc = parse_options(argc, argv, prefix, parseopt_opts, parseopt_usage, |
21d47835 PH |
335 | PARSE_OPT_KEEP_DASHDASH); |
336 | if (argc < 1 || strcmp(argv[0], "--")) | |
337 | usage_with_options(parseopt_usage, parseopt_opts); | |
338 | ||
21d47835 PH |
339 | /* get the usage up to the first line with a -- on it */ |
340 | for (;;) { | |
341 | if (strbuf_getline(&sb, stdin, '\n') == EOF) | |
342 | die("premature end of input"); | |
343 | ALLOC_GROW(usage, unb + 1, usz); | |
344 | if (!strcmp("--", sb.buf)) { | |
345 | if (unb < 1) | |
346 | die("no usage string given before the `--' separator"); | |
347 | usage[unb] = NULL; | |
348 | break; | |
349 | } | |
350 | usage[unb++] = strbuf_detach(&sb, NULL); | |
351 | } | |
352 | ||
353 | /* parse: (<short>|<short>,<long>|<long>)[=?]? SP+ <help> */ | |
354 | while (strbuf_getline(&sb, stdin, '\n') != EOF) { | |
355 | const char *s; | |
356 | struct option *o; | |
357 | ||
358 | if (!sb.len) | |
359 | continue; | |
360 | ||
361 | ALLOC_GROW(opts, onb + 1, osz); | |
362 | memset(opts + onb, 0, sizeof(opts[onb])); | |
363 | ||
364 | o = &opts[onb++]; | |
365 | s = strchr(sb.buf, ' '); | |
366 | if (!s || *sb.buf == ' ') { | |
367 | o->type = OPTION_GROUP; | |
e1033436 | 368 | o->help = xstrdup(skipspaces(sb.buf)); |
21d47835 PH |
369 | continue; |
370 | } | |
371 | ||
372 | o->type = OPTION_CALLBACK; | |
373 | o->help = xstrdup(skipspaces(s)); | |
374 | o->value = &parsed; | |
ff962a3f | 375 | o->flags = PARSE_OPT_NOARG; |
21d47835 | 376 | o->callback = &parseopt_dump; |
ff962a3f PH |
377 | while (s > sb.buf && strchr("*=?!", s[-1])) { |
378 | switch (*--s) { | |
379 | case '=': | |
380 | o->flags &= ~PARSE_OPT_NOARG; | |
381 | break; | |
382 | case '?': | |
383 | o->flags &= ~PARSE_OPT_NOARG; | |
384 | o->flags |= PARSE_OPT_OPTARG; | |
385 | break; | |
386 | case '!': | |
387 | o->flags |= PARSE_OPT_NONEG; | |
388 | break; | |
389 | case '*': | |
390 | o->flags |= PARSE_OPT_HIDDEN; | |
391 | break; | |
392 | } | |
21d47835 PH |
393 | } |
394 | ||
395 | if (s - sb.buf == 1) /* short option only */ | |
396 | o->short_name = *sb.buf; | |
397 | else if (sb.buf[1] != ',') /* long option only */ | |
398 | o->long_name = xmemdupz(sb.buf, s - sb.buf); | |
399 | else { | |
400 | o->short_name = *sb.buf; | |
401 | o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2); | |
402 | } | |
403 | } | |
404 | strbuf_release(&sb); | |
405 | ||
406 | /* put an OPT_END() */ | |
407 | ALLOC_GROW(opts, onb + 1, osz); | |
408 | memset(opts + onb, 0, sizeof(opts[onb])); | |
37782920 | 409 | argc = parse_options(argc, argv, prefix, opts, usage, |
6e0800ef UKK |
410 | keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0 | |
411 | stop_at_non_option ? PARSE_OPT_STOP_AT_NON_OPTION : 0); | |
21d47835 PH |
412 | |
413 | strbuf_addf(&parsed, " --"); | |
b319ce4c | 414 | sq_quote_argv(&parsed, argv, 0); |
21d47835 PH |
415 | puts(parsed.buf); |
416 | return 0; | |
417 | } | |
418 | ||
50325377 CC |
419 | static int cmd_sq_quote(int argc, const char **argv) |
420 | { | |
421 | struct strbuf buf = STRBUF_INIT; | |
422 | ||
423 | if (argc) | |
424 | sq_quote_argv(&buf, argv, 0); | |
425 | printf("%s\n", buf.buf); | |
426 | strbuf_release(&buf); | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
b1b35969 CC |
431 | static void die_no_single_rev(int quiet) |
432 | { | |
433 | if (quiet) | |
434 | exit(1); | |
435 | else | |
436 | die("Needed a single revision"); | |
437 | } | |
438 | ||
7006b5be JN |
439 | static const char builtin_rev_parse_usage[] = |
440 | "git rev-parse --parseopt [options] -- [<args>...]\n" | |
441 | " or: git rev-parse --sq-quote [<arg>...]\n" | |
442 | " or: git rev-parse [options] [<arg>...]\n" | |
443 | "\n" | |
444 | "Run \"git rev-parse --parseopt -h\" for more information on the first usage."; | |
445 | ||
a633fca0 | 446 | int cmd_rev_parse(int argc, const char **argv, const char *prefix) |
178cb243 | 447 | { |
dfd1b749 | 448 | int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; |
178cb243 | 449 | unsigned char sha1[20]; |
dfd1b749 | 450 | const char *name = NULL; |
a62be77f | 451 | |
21d47835 PH |
452 | if (argc > 1 && !strcmp("--parseopt", argv[1])) |
453 | return cmd_parseopt(argc - 1, argv + 1, prefix); | |
454 | ||
50325377 CC |
455 | if (argc > 1 && !strcmp("--sq-quote", argv[1])) |
456 | return cmd_sq_quote(argc - 2, argv + 2); | |
457 | ||
94c8ccaa GB |
458 | if (argc == 2 && !strcmp("--local-env-vars", argv[1])) { |
459 | int i; | |
460 | for (i = 0; local_repo_env[i]; i++) | |
461 | printf("%s\n", local_repo_env[i]); | |
462 | return 0; | |
463 | } | |
464 | ||
7006b5be JN |
465 | if (argc > 1 && !strcmp("-h", argv[1])) |
466 | usage(builtin_rev_parse_usage); | |
467 | ||
5410a02a | 468 | prefix = setup_git_directory(); |
ef90d6d4 | 469 | git_config(git_default_config, NULL); |
178cb243 | 470 | for (i = 1; i < argc; i++) { |
16cee38a | 471 | const char *arg = argv[i]; |
fb18a2ed | 472 | |
178cb243 | 473 | if (as_is) { |
fb18a2ed | 474 | if (show_file(arg) && as_is < 2) |
e23d0b4a | 475 | verify_filename(prefix, arg); |
178cb243 LT |
476 | continue; |
477 | } | |
3af06987 EW |
478 | if (!strcmp(arg,"-n")) { |
479 | if (++i >= argc) | |
480 | die("-n requires an argument"); | |
481 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) { | |
482 | show(arg); | |
483 | show(argv[i]); | |
484 | } | |
485 | continue; | |
486 | } | |
1968d77d | 487 | if (!prefixcmp(arg, "-n")) { |
3af06987 EW |
488 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) |
489 | show(arg); | |
490 | continue; | |
491 | } | |
492 | ||
178cb243 LT |
493 | if (*arg == '-') { |
494 | if (!strcmp(arg, "--")) { | |
fb18a2ed | 495 | as_is = 2; |
a08b6505 LT |
496 | /* Pass on the "--" if we show anything but files.. */ |
497 | if (filter & (DO_FLAGS | DO_REVS)) | |
498 | show_file(arg); | |
4866ccf0 | 499 | continue; |
178cb243 LT |
500 | } |
501 | if (!strcmp(arg, "--default")) { | |
178cb243 LT |
502 | def = argv[i+1]; |
503 | i++; | |
504 | continue; | |
505 | } | |
8ebb0184 | 506 | if (!strcmp(arg, "--revs-only")) { |
4866ccf0 | 507 | filter &= ~DO_NOREV; |
8ebb0184 LT |
508 | continue; |
509 | } | |
510 | if (!strcmp(arg, "--no-revs")) { | |
4866ccf0 | 511 | filter &= ~DO_REVS; |
8ebb0184 LT |
512 | continue; |
513 | } | |
f79b65aa | 514 | if (!strcmp(arg, "--flags")) { |
4866ccf0 | 515 | filter &= ~DO_NONFLAGS; |
f79b65aa LT |
516 | continue; |
517 | } | |
518 | if (!strcmp(arg, "--no-flags")) { | |
4866ccf0 | 519 | filter &= ~DO_FLAGS; |
f79b65aa LT |
520 | continue; |
521 | } | |
023d66ed | 522 | if (!strcmp(arg, "--verify")) { |
4866ccf0 JH |
523 | filter &= ~(DO_FLAGS|DO_NOREV); |
524 | verify = 1; | |
023d66ed | 525 | continue; |
921d865e | 526 | } |
b1b35969 CC |
527 | if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) { |
528 | quiet = 1; | |
529 | continue; | |
530 | } | |
62a604ba | 531 | if (!strcmp(arg, "--short") || |
cc44c765 | 532 | !prefixcmp(arg, "--short=")) { |
d5012508 JH |
533 | filter &= ~(DO_FLAGS|DO_NOREV); |
534 | verify = 1; | |
535 | abbrev = DEFAULT_ABBREV; | |
44de0da4 JF |
536 | if (arg[7] == '=') |
537 | abbrev = strtoul(arg + 8, NULL, 10); | |
1dc4fb84 JH |
538 | if (abbrev < MINIMUM_ABBREV) |
539 | abbrev = MINIMUM_ABBREV; | |
540 | else if (40 <= abbrev) | |
541 | abbrev = 40; | |
d5012508 JH |
542 | continue; |
543 | } | |
5bb2c65a JH |
544 | if (!strcmp(arg, "--sq")) { |
545 | output_sq = 1; | |
546 | continue; | |
547 | } | |
042a4ed7 LT |
548 | if (!strcmp(arg, "--not")) { |
549 | show_type ^= REVERSED; | |
550 | continue; | |
551 | } | |
30b96fce | 552 | if (!strcmp(arg, "--symbolic")) { |
a6d97d49 JH |
553 | symbolic = SHOW_SYMBOLIC_ASIS; |
554 | continue; | |
555 | } | |
556 | if (!strcmp(arg, "--symbolic-full-name")) { | |
557 | symbolic = SHOW_SYMBOLIC_FULL; | |
30b96fce JH |
558 | continue; |
559 | } | |
a45d3469 BW |
560 | if (!prefixcmp(arg, "--abbrev-ref") && |
561 | (!arg[12] || arg[12] == '=')) { | |
562 | abbrev_ref = 1; | |
563 | abbrev_ref_strict = warn_ambiguous_refs; | |
564 | if (arg[12] == '=') { | |
565 | if (!strcmp(arg + 13, "strict")) | |
566 | abbrev_ref_strict = 1; | |
567 | else if (!strcmp(arg + 13, "loose")) | |
568 | abbrev_ref_strict = 0; | |
569 | else | |
570 | die("unknown mode for %s", arg); | |
571 | } | |
572 | continue; | |
573 | } | |
960bba0d | 574 | if (!strcmp(arg, "--all")) { |
cb5d709f | 575 | for_each_ref(show_reference, NULL); |
960bba0d LT |
576 | continue; |
577 | } | |
ad3f9a71 LT |
578 | if (!strcmp(arg, "--bisect")) { |
579 | for_each_ref_in("refs/bisect/bad", show_reference, NULL); | |
580 | for_each_ref_in("refs/bisect/good", anti_reference, NULL); | |
581 | continue; | |
582 | } | |
b09fe971 IL |
583 | if (!prefixcmp(arg, "--branches=")) { |
584 | for_each_glob_ref_in(show_reference, arg + 11, | |
585 | "refs/heads/", NULL); | |
586 | continue; | |
587 | } | |
a62be77f | 588 | if (!strcmp(arg, "--branches")) { |
cb5d709f | 589 | for_each_branch_ref(show_reference, NULL); |
a62be77f SE |
590 | continue; |
591 | } | |
b09fe971 IL |
592 | if (!prefixcmp(arg, "--tags=")) { |
593 | for_each_glob_ref_in(show_reference, arg + 7, | |
594 | "refs/tags/", NULL); | |
595 | continue; | |
596 | } | |
a62be77f | 597 | if (!strcmp(arg, "--tags")) { |
cb5d709f | 598 | for_each_tag_ref(show_reference, NULL); |
a62be77f SE |
599 | continue; |
600 | } | |
d08bae7e IL |
601 | if (!prefixcmp(arg, "--glob=")) { |
602 | for_each_glob_ref(show_reference, arg + 7, NULL); | |
603 | continue; | |
604 | } | |
b09fe971 IL |
605 | if (!prefixcmp(arg, "--remotes=")) { |
606 | for_each_glob_ref_in(show_reference, arg + 10, | |
607 | "refs/remotes/", NULL); | |
608 | continue; | |
609 | } | |
a62be77f | 610 | if (!strcmp(arg, "--remotes")) { |
cb5d709f | 611 | for_each_remote_ref(show_reference, NULL); |
a62be77f SE |
612 | continue; |
613 | } | |
7cceca5c SD |
614 | if (!strcmp(arg, "--show-toplevel")) { |
615 | const char *work_tree = get_git_work_tree(); | |
616 | if (work_tree) | |
617 | puts(work_tree); | |
618 | continue; | |
619 | } | |
d288a700 | 620 | if (!strcmp(arg, "--show-prefix")) { |
4866ccf0 JH |
621 | if (prefix) |
622 | puts(prefix); | |
d288a700 LT |
623 | continue; |
624 | } | |
5f94c730 JH |
625 | if (!strcmp(arg, "--show-cdup")) { |
626 | const char *pfx = prefix; | |
e90fdc39 JS |
627 | if (!is_inside_work_tree()) { |
628 | const char *work_tree = | |
629 | get_git_work_tree(); | |
630 | if (work_tree) | |
631 | printf("%s\n", work_tree); | |
632 | continue; | |
633 | } | |
5f94c730 JH |
634 | while (pfx) { |
635 | pfx = strchr(pfx, '/'); | |
636 | if (pfx) { | |
637 | pfx++; | |
638 | printf("../"); | |
639 | } | |
640 | } | |
641 | putchar('\n'); | |
642 | continue; | |
643 | } | |
a8783eeb LT |
644 | if (!strcmp(arg, "--git-dir")) { |
645 | const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); | |
646 | static char cwd[PATH_MAX]; | |
647 | if (gitdir) { | |
648 | puts(gitdir); | |
649 | continue; | |
650 | } | |
651 | if (!prefix) { | |
652 | puts(".git"); | |
653 | continue; | |
654 | } | |
655 | if (!getcwd(cwd, PATH_MAX)) | |
0721c314 | 656 | die_errno("unable to get current working directory"); |
a8783eeb LT |
657 | printf("%s/.git\n", cwd); |
658 | continue; | |
659 | } | |
6d9ba67b JS |
660 | if (!strcmp(arg, "--is-inside-git-dir")) { |
661 | printf("%s\n", is_inside_git_dir() ? "true" | |
662 | : "false"); | |
663 | continue; | |
664 | } | |
892c41b9 ML |
665 | if (!strcmp(arg, "--is-inside-work-tree")) { |
666 | printf("%s\n", is_inside_work_tree() ? "true" | |
667 | : "false"); | |
668 | continue; | |
669 | } | |
493c774e ML |
670 | if (!strcmp(arg, "--is-bare-repository")) { |
671 | printf("%s\n", is_bare_repository() ? "true" | |
672 | : "false"); | |
673 | continue; | |
674 | } | |
cc44c765 | 675 | if (!prefixcmp(arg, "--since=")) { |
c1babb1d LT |
676 | show_datestring("--max-age=", arg+8); |
677 | continue; | |
678 | } | |
cc44c765 | 679 | if (!prefixcmp(arg, "--after=")) { |
c1babb1d LT |
680 | show_datestring("--max-age=", arg+8); |
681 | continue; | |
682 | } | |
cc44c765 | 683 | if (!prefixcmp(arg, "--before=")) { |
c1babb1d LT |
684 | show_datestring("--min-age=", arg+9); |
685 | continue; | |
686 | } | |
cc44c765 | 687 | if (!prefixcmp(arg, "--until=")) { |
c1babb1d LT |
688 | show_datestring("--min-age=", arg+8); |
689 | continue; | |
690 | } | |
9523a4c2 | 691 | if (show_flag(arg) && verify) |
b1b35969 | 692 | die_no_single_rev(quiet); |
178cb243 LT |
693 | continue; |
694 | } | |
4866ccf0 JH |
695 | |
696 | /* Not a flag argument */ | |
3dd4e732 SB |
697 | if (try_difference(arg)) |
698 | continue; | |
2122f8b9 BS |
699 | if (try_parent_shorthands(arg)) |
700 | continue; | |
dfd1b749 CC |
701 | name = arg; |
702 | type = NORMAL; | |
703 | if (*arg == '^') { | |
704 | name++; | |
705 | type = REVERSED; | |
800644c5 | 706 | } |
dfd1b749 CC |
707 | if (!get_sha1(name, sha1)) { |
708 | if (verify) | |
709 | revs_count++; | |
710 | else | |
711 | show_rev(type, sha1, name); | |
800644c5 LT |
712 | continue; |
713 | } | |
75ecfce3 CC |
714 | if (verify) |
715 | die_no_single_rev(quiet); | |
9ad0a933 LT |
716 | as_is = 1; |
717 | if (!show_file(arg)) | |
718 | continue; | |
e23d0b4a | 719 | verify_filename(prefix, arg); |
023d66ed | 720 | } |
dfd1b749 CC |
721 | if (verify) { |
722 | if (revs_count == 1) { | |
723 | show_rev(type, sha1, name); | |
724 | return 0; | |
725 | } else if (revs_count == 0 && show_default()) | |
726 | return 0; | |
b1b35969 | 727 | die_no_single_rev(quiet); |
dfd1b749 CC |
728 | } else |
729 | show_default(); | |
178cb243 LT |
730 | return 0; |
731 | } |