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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; | |
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", |
cc243c3c | 47 | "--ignore-missing", |
921d865e | 48 | "--max-age=", |
4866ccf0 | 49 | "--max-count=", |
4866ccf0 | 50 | "--min-age=", |
5ccfb758 | 51 | "--no-merges", |
ad5aeede MG |
52 | "--min-parents=", |
53 | "--no-min-parents", | |
54 | "--max-parents=", | |
55 | "--no-max-parents", | |
4866ccf0 | 56 | "--objects", |
c6496575 | 57 | "--objects-edge", |
4866ccf0 JH |
58 | "--parents", |
59 | "--pretty", | |
b09fe971 | 60 | "--remotes=", |
a62be77f | 61 | "--remotes", |
d08bae7e | 62 | "--glob=", |
5a83f3be | 63 | "--sparse", |
b09fe971 | 64 | "--tags=", |
a62be77f | 65 | "--tags", |
4866ccf0 | 66 | "--topo-order", |
4c8725f1 | 67 | "--date-order", |
4866ccf0 | 68 | "--unpacked", |
921d865e LT |
69 | NULL |
70 | }; | |
71 | const char **p = rev_args; | |
72 | ||
8233340c EW |
73 | /* accept -<digit>, like traditional "head" */ |
74 | if ((*arg == '-') && isdigit(arg[1])) | |
75 | return 1; | |
76 | ||
921d865e LT |
77 | for (;;) { |
78 | const char *str = *p++; | |
79 | int len; | |
80 | if (!str) | |
81 | return 0; | |
82 | len = strlen(str); | |
4866ccf0 JH |
83 | if (!strcmp(arg, str) || |
84 | (str[len-1] == '=' && !strncmp(arg, str, len))) | |
921d865e LT |
85 | return 1; |
86 | } | |
87 | } | |
88 | ||
4866ccf0 | 89 | /* Output argument as a string, either SQ or normal */ |
5bb2c65a JH |
90 | static void show(const char *arg) |
91 | { | |
92 | if (output_sq) { | |
93 | int sq = '\'', ch; | |
94 | ||
95 | putchar(sq); | |
96 | while ((ch = *arg++)) { | |
97 | if (ch == sq) | |
98 | fputs("'\\'", stdout); | |
99 | putchar(ch); | |
100 | } | |
101 | putchar(sq); | |
102 | putchar(' '); | |
103 | } | |
104 | else | |
105 | puts(arg); | |
106 | } | |
107 | ||
e00f3790 JS |
108 | /* Like show(), but with a negation prefix according to type */ |
109 | static void show_with_type(int type, const char *arg) | |
110 | { | |
111 | if (type != show_type) | |
112 | putchar('^'); | |
113 | show(arg); | |
114 | } | |
115 | ||
4866ccf0 | 116 | /* Output a revision, only if filter allows it */ |
30b96fce | 117 | static void show_rev(int type, const unsigned char *sha1, const char *name) |
023d66ed | 118 | { |
4866ccf0 | 119 | if (!(filter & DO_REVS)) |
023d66ed | 120 | return; |
4866ccf0 | 121 | def = NULL; |
5bb2c65a | 122 | |
a45d3469 BW |
123 | if ((symbolic || abbrev_ref) && name) { |
124 | if (symbolic == SHOW_SYMBOLIC_FULL || abbrev_ref) { | |
a6d97d49 JH |
125 | unsigned char discard[20]; |
126 | char *full; | |
127 | ||
128 | switch (dwim_ref(name, strlen(name), discard, &full)) { | |
129 | case 0: | |
130 | /* | |
131 | * Not found -- not a ref. We could | |
132 | * emit "name" here, but symbolic-full | |
133 | * users are interested in finding the | |
134 | * refs spelled in full, and they would | |
135 | * need to filter non-refs if we did so. | |
136 | */ | |
137 | break; | |
138 | case 1: /* happy */ | |
a45d3469 BW |
139 | if (abbrev_ref) |
140 | full = shorten_unambiguous_ref(full, | |
141 | abbrev_ref_strict); | |
e00f3790 | 142 | show_with_type(type, full); |
a6d97d49 JH |
143 | break; |
144 | default: /* ambiguous */ | |
145 | error("refname '%s' is ambiguous", name); | |
146 | break; | |
147 | } | |
148 | } else { | |
e00f3790 | 149 | show_with_type(type, name); |
a6d97d49 JH |
150 | } |
151 | } | |
d5012508 | 152 | else if (abbrev) |
e00f3790 | 153 | show_with_type(type, find_unique_abbrev(sha1, abbrev)); |
30b96fce | 154 | else |
e00f3790 | 155 | show_with_type(type, sha1_to_hex(sha1)); |
023d66ed LT |
156 | } |
157 | ||
4866ccf0 | 158 | /* Output a flag, only if filter allows it. */ |
16cee38a | 159 | static int show_flag(const char *arg) |
023d66ed | 160 | { |
4866ccf0 | 161 | if (!(filter & DO_FLAGS)) |
9523a4c2 LT |
162 | return 0; |
163 | if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV)) { | |
0360e99d | 164 | show(arg); |
9523a4c2 LT |
165 | return 1; |
166 | } | |
167 | return 0; | |
023d66ed LT |
168 | } |
169 | ||
dfd1b749 | 170 | static int show_default(void) |
023d66ed | 171 | { |
16cee38a | 172 | const char *s = def; |
023d66ed LT |
173 | |
174 | if (s) { | |
175 | unsigned char sha1[20]; | |
176 | ||
177 | def = NULL; | |
9938af6a | 178 | if (!get_sha1(s, sha1)) { |
30b96fce | 179 | show_rev(NORMAL, sha1, s); |
dfd1b749 | 180 | return 1; |
023d66ed | 181 | } |
023d66ed | 182 | } |
dfd1b749 | 183 | return 0; |
023d66ed LT |
184 | } |
185 | ||
8da19775 | 186 | static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) |
960bba0d | 187 | { |
30b96fce | 188 | show_rev(NORMAL, sha1, refname); |
960bba0d LT |
189 | return 0; |
190 | } | |
191 | ||
ad3f9a71 LT |
192 | static int anti_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) |
193 | { | |
194 | show_rev(REVERSED, sha1, refname); | |
195 | return 0; | |
196 | } | |
197 | ||
957d7406 JH |
198 | static int show_abbrev(const unsigned char *sha1, void *cb_data) |
199 | { | |
200 | show_rev(NORMAL, sha1, NULL); | |
201 | return 0; | |
202 | } | |
203 | ||
c1babb1d LT |
204 | static void show_datestring(const char *flag, const char *datestr) |
205 | { | |
c1babb1d | 206 | static char buffer[100]; |
c1babb1d LT |
207 | |
208 | /* date handling requires both flags and revs */ | |
209 | if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS)) | |
210 | return; | |
3c07b1d1 | 211 | snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr)); |
c1babb1d LT |
212 | show(buffer); |
213 | } | |
214 | ||
12b9d327 | 215 | static int show_file(const char *arg, int output_prefix) |
7a3dd472 | 216 | { |
7b34c2fa | 217 | show_default(); |
9ad0a933 | 218 | if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) { |
12b9d327 JK |
219 | if (output_prefix) { |
220 | const char *prefix = startup_info->prefix; | |
221 | show(prefix_filename(prefix, | |
222 | prefix ? strlen(prefix) : 0, | |
223 | arg)); | |
224 | } else | |
225 | show(arg); | |
9ad0a933 LT |
226 | return 1; |
227 | } | |
228 | return 0; | |
7a3dd472 LT |
229 | } |
230 | ||
b7d936b2 | 231 | static int try_difference(const char *arg) |
3dd4e732 SB |
232 | { |
233 | char *dotdot; | |
234 | unsigned char sha1[20]; | |
235 | unsigned char end[20]; | |
236 | const char *next; | |
237 | const char *this; | |
238 | int symmetric; | |
003c84f6 | 239 | static const char head_by_default[] = "HEAD"; |
3dd4e732 SB |
240 | |
241 | if (!(dotdot = strstr(arg, ".."))) | |
242 | return 0; | |
243 | next = dotdot + 2; | |
244 | this = arg; | |
245 | symmetric = (*next == '.'); | |
246 | ||
247 | *dotdot = 0; | |
248 | next += symmetric; | |
249 | ||
250 | if (!*next) | |
003c84f6 | 251 | next = head_by_default; |
3dd4e732 | 252 | if (dotdot == arg) |
003c84f6 JH |
253 | this = head_by_default; |
254 | ||
255 | if (this == head_by_default && next == head_by_default && | |
256 | !symmetric) { | |
257 | /* | |
258 | * Just ".."? That is not a range but the | |
259 | * pathspec for the parent directory. | |
260 | */ | |
261 | *dotdot = '.'; | |
262 | return 0; | |
263 | } | |
264 | ||
c036c4c5 | 265 | if (!get_sha1_committish(this, sha1) && !get_sha1_committish(next, end)) { |
3dd4e732 SB |
266 | show_rev(NORMAL, end, next); |
267 | show_rev(symmetric ? NORMAL : REVERSED, sha1, this); | |
268 | if (symmetric) { | |
269 | struct commit_list *exclude; | |
270 | struct commit *a, *b; | |
271 | a = lookup_commit_reference(sha1); | |
272 | b = lookup_commit_reference(end); | |
273 | exclude = get_merge_bases(a, b, 1); | |
274 | while (exclude) { | |
275 | struct commit_list *n = exclude->next; | |
276 | show_rev(REVERSED, | |
277 | exclude->item->object.sha1,NULL); | |
278 | free(exclude); | |
279 | exclude = n; | |
280 | } | |
281 | } | |
282 | return 1; | |
283 | } | |
284 | *dotdot = '.'; | |
285 | return 0; | |
286 | } | |
287 | ||
2122f8b9 BS |
288 | static int try_parent_shorthands(const char *arg) |
289 | { | |
290 | char *dotdot; | |
291 | unsigned char sha1[20]; | |
292 | struct commit *commit; | |
293 | struct commit_list *parents; | |
294 | int parents_only; | |
295 | ||
296 | if ((dotdot = strstr(arg, "^!"))) | |
297 | parents_only = 0; | |
298 | else if ((dotdot = strstr(arg, "^@"))) | |
299 | parents_only = 1; | |
300 | ||
301 | if (!dotdot || dotdot[2]) | |
302 | return 0; | |
303 | ||
304 | *dotdot = 0; | |
c036c4c5 | 305 | if (get_sha1_committish(arg, sha1)) |
2122f8b9 BS |
306 | return 0; |
307 | ||
308 | if (!parents_only) | |
309 | show_rev(NORMAL, sha1, arg); | |
310 | commit = lookup_commit_reference(sha1); | |
311 | for (parents = commit->parents; parents; parents = parents->next) | |
312 | show_rev(parents_only ? NORMAL : REVERSED, | |
313 | parents->item->object.sha1, arg); | |
314 | ||
315 | return 1; | |
316 | } | |
317 | ||
21d47835 PH |
318 | static int parseopt_dump(const struct option *o, const char *arg, int unset) |
319 | { | |
320 | struct strbuf *parsed = o->value; | |
321 | if (unset) | |
322 | strbuf_addf(parsed, " --no-%s", o->long_name); | |
323 | else if (o->short_name) | |
324 | strbuf_addf(parsed, " -%c", o->short_name); | |
325 | else | |
326 | strbuf_addf(parsed, " --%s", o->long_name); | |
327 | if (arg) { | |
328 | strbuf_addch(parsed, ' '); | |
329 | sq_quote_buf(parsed, arg); | |
330 | } | |
331 | return 0; | |
332 | } | |
333 | ||
334 | static const char *skipspaces(const char *s) | |
335 | { | |
336 | while (isspace(*s)) | |
337 | s++; | |
338 | return s; | |
339 | } | |
340 | ||
341 | static int cmd_parseopt(int argc, const char **argv, const char *prefix) | |
342 | { | |
6e0800ef | 343 | static int keep_dashdash = 0, stop_at_non_option = 0; |
21d47835 | 344 | static char const * const parseopt_usage[] = { |
2c7c184c | 345 | N_("git rev-parse --parseopt [options] -- [<args>...]"), |
21d47835 PH |
346 | NULL |
347 | }; | |
348 | static struct option parseopt_opts[] = { | |
d5d09d47 | 349 | OPT_BOOL(0, "keep-dashdash", &keep_dashdash, |
2c7c184c | 350 | N_("keep the `--` passed as an arg")), |
d5d09d47 | 351 | OPT_BOOL(0, "stop-at-non-option", &stop_at_non_option, |
2c7c184c NTND |
352 | N_("stop parsing after the " |
353 | "first non-option argument")), | |
21d47835 PH |
354 | OPT_END(), |
355 | }; | |
356 | ||
f285a2d7 | 357 | struct strbuf sb = STRBUF_INIT, parsed = STRBUF_INIT; |
21d47835 PH |
358 | const char **usage = NULL; |
359 | struct option *opts = NULL; | |
360 | int onb = 0, osz = 0, unb = 0, usz = 0; | |
361 | ||
21d47835 | 362 | strbuf_addstr(&parsed, "set --"); |
37782920 | 363 | argc = parse_options(argc, argv, prefix, parseopt_opts, parseopt_usage, |
21d47835 PH |
364 | PARSE_OPT_KEEP_DASHDASH); |
365 | if (argc < 1 || strcmp(argv[0], "--")) | |
366 | usage_with_options(parseopt_usage, parseopt_opts); | |
367 | ||
21d47835 PH |
368 | /* get the usage up to the first line with a -- on it */ |
369 | for (;;) { | |
370 | if (strbuf_getline(&sb, stdin, '\n') == EOF) | |
371 | die("premature end of input"); | |
372 | ALLOC_GROW(usage, unb + 1, usz); | |
373 | if (!strcmp("--", sb.buf)) { | |
374 | if (unb < 1) | |
375 | die("no usage string given before the `--' separator"); | |
376 | usage[unb] = NULL; | |
377 | break; | |
378 | } | |
379 | usage[unb++] = strbuf_detach(&sb, NULL); | |
380 | } | |
381 | ||
382 | /* parse: (<short>|<short>,<long>|<long>)[=?]? SP+ <help> */ | |
383 | while (strbuf_getline(&sb, stdin, '\n') != EOF) { | |
384 | const char *s; | |
385 | struct option *o; | |
386 | ||
387 | if (!sb.len) | |
388 | continue; | |
389 | ||
390 | ALLOC_GROW(opts, onb + 1, osz); | |
391 | memset(opts + onb, 0, sizeof(opts[onb])); | |
392 | ||
393 | o = &opts[onb++]; | |
394 | s = strchr(sb.buf, ' '); | |
395 | if (!s || *sb.buf == ' ') { | |
396 | o->type = OPTION_GROUP; | |
e1033436 | 397 | o->help = xstrdup(skipspaces(sb.buf)); |
21d47835 PH |
398 | continue; |
399 | } | |
400 | ||
401 | o->type = OPTION_CALLBACK; | |
402 | o->help = xstrdup(skipspaces(s)); | |
403 | o->value = &parsed; | |
ff962a3f | 404 | o->flags = PARSE_OPT_NOARG; |
21d47835 | 405 | o->callback = &parseopt_dump; |
ff962a3f PH |
406 | while (s > sb.buf && strchr("*=?!", s[-1])) { |
407 | switch (*--s) { | |
408 | case '=': | |
409 | o->flags &= ~PARSE_OPT_NOARG; | |
410 | break; | |
411 | case '?': | |
412 | o->flags &= ~PARSE_OPT_NOARG; | |
413 | o->flags |= PARSE_OPT_OPTARG; | |
414 | break; | |
415 | case '!': | |
416 | o->flags |= PARSE_OPT_NONEG; | |
417 | break; | |
418 | case '*': | |
419 | o->flags |= PARSE_OPT_HIDDEN; | |
420 | break; | |
421 | } | |
21d47835 PH |
422 | } |
423 | ||
424 | if (s - sb.buf == 1) /* short option only */ | |
425 | o->short_name = *sb.buf; | |
426 | else if (sb.buf[1] != ',') /* long option only */ | |
427 | o->long_name = xmemdupz(sb.buf, s - sb.buf); | |
428 | else { | |
429 | o->short_name = *sb.buf; | |
430 | o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2); | |
431 | } | |
432 | } | |
433 | strbuf_release(&sb); | |
434 | ||
435 | /* put an OPT_END() */ | |
436 | ALLOC_GROW(opts, onb + 1, osz); | |
437 | memset(opts + onb, 0, sizeof(opts[onb])); | |
37782920 | 438 | argc = parse_options(argc, argv, prefix, opts, usage, |
29981380 | 439 | (keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0) | |
fcd91f8d | 440 | (stop_at_non_option ? PARSE_OPT_STOP_AT_NON_OPTION : 0) | |
47e9cd28 | 441 | PARSE_OPT_SHELL_EVAL); |
21d47835 PH |
442 | |
443 | strbuf_addf(&parsed, " --"); | |
b319ce4c | 444 | sq_quote_argv(&parsed, argv, 0); |
21d47835 PH |
445 | puts(parsed.buf); |
446 | return 0; | |
447 | } | |
448 | ||
50325377 CC |
449 | static int cmd_sq_quote(int argc, const char **argv) |
450 | { | |
451 | struct strbuf buf = STRBUF_INIT; | |
452 | ||
453 | if (argc) | |
454 | sq_quote_argv(&buf, argv, 0); | |
455 | printf("%s\n", buf.buf); | |
456 | strbuf_release(&buf); | |
457 | ||
458 | return 0; | |
459 | } | |
460 | ||
b1b35969 CC |
461 | static void die_no_single_rev(int quiet) |
462 | { | |
463 | if (quiet) | |
464 | exit(1); | |
465 | else | |
466 | die("Needed a single revision"); | |
467 | } | |
468 | ||
7006b5be | 469 | static const char builtin_rev_parse_usage[] = |
2c7c184c NTND |
470 | N_("git rev-parse --parseopt [options] -- [<args>...]\n" |
471 | " or: git rev-parse --sq-quote [<arg>...]\n" | |
472 | " or: git rev-parse [options] [<arg>...]\n" | |
473 | "\n" | |
474 | "Run \"git rev-parse --parseopt -h\" for more information on the first usage."); | |
7006b5be | 475 | |
a633fca0 | 476 | int cmd_rev_parse(int argc, const char **argv, const char *prefix) |
178cb243 | 477 | { |
dfd1b749 | 478 | int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; |
12b9d327 | 479 | int output_prefix = 0; |
178cb243 | 480 | unsigned char sha1[20]; |
dfd1b749 | 481 | const char *name = NULL; |
a62be77f | 482 | |
21d47835 PH |
483 | if (argc > 1 && !strcmp("--parseopt", argv[1])) |
484 | return cmd_parseopt(argc - 1, argv + 1, prefix); | |
485 | ||
50325377 CC |
486 | if (argc > 1 && !strcmp("--sq-quote", argv[1])) |
487 | return cmd_sq_quote(argc - 2, argv + 2); | |
488 | ||
7006b5be JN |
489 | if (argc > 1 && !strcmp("-h", argv[1])) |
490 | usage(builtin_rev_parse_usage); | |
491 | ||
5410a02a | 492 | prefix = setup_git_directory(); |
ef90d6d4 | 493 | git_config(git_default_config, NULL); |
178cb243 | 494 | for (i = 1; i < argc; i++) { |
16cee38a | 495 | const char *arg = argv[i]; |
fb18a2ed | 496 | |
178cb243 | 497 | if (as_is) { |
12b9d327 | 498 | if (show_file(arg, output_prefix) && as_is < 2) |
023e37c3 | 499 | verify_filename(prefix, arg, 0); |
178cb243 LT |
500 | continue; |
501 | } | |
3af06987 EW |
502 | if (!strcmp(arg,"-n")) { |
503 | if (++i >= argc) | |
504 | die("-n requires an argument"); | |
505 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) { | |
506 | show(arg); | |
507 | show(argv[i]); | |
508 | } | |
509 | continue; | |
510 | } | |
1968d77d | 511 | if (!prefixcmp(arg, "-n")) { |
3af06987 EW |
512 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) |
513 | show(arg); | |
514 | continue; | |
515 | } | |
516 | ||
178cb243 LT |
517 | if (*arg == '-') { |
518 | if (!strcmp(arg, "--")) { | |
fb18a2ed | 519 | as_is = 2; |
a08b6505 LT |
520 | /* Pass on the "--" if we show anything but files.. */ |
521 | if (filter & (DO_FLAGS | DO_REVS)) | |
12b9d327 | 522 | show_file(arg, 0); |
4866ccf0 | 523 | continue; |
178cb243 LT |
524 | } |
525 | if (!strcmp(arg, "--default")) { | |
178cb243 LT |
526 | def = argv[i+1]; |
527 | i++; | |
528 | continue; | |
529 | } | |
12b9d327 JK |
530 | if (!strcmp(arg, "--prefix")) { |
531 | prefix = argv[i+1]; | |
532 | startup_info->prefix = prefix; | |
533 | output_prefix = 1; | |
534 | i++; | |
535 | continue; | |
536 | } | |
8ebb0184 | 537 | if (!strcmp(arg, "--revs-only")) { |
4866ccf0 | 538 | filter &= ~DO_NOREV; |
8ebb0184 LT |
539 | continue; |
540 | } | |
541 | if (!strcmp(arg, "--no-revs")) { | |
4866ccf0 | 542 | filter &= ~DO_REVS; |
8ebb0184 LT |
543 | continue; |
544 | } | |
f79b65aa | 545 | if (!strcmp(arg, "--flags")) { |
4866ccf0 | 546 | filter &= ~DO_NONFLAGS; |
f79b65aa LT |
547 | continue; |
548 | } | |
549 | if (!strcmp(arg, "--no-flags")) { | |
4866ccf0 | 550 | filter &= ~DO_FLAGS; |
f79b65aa LT |
551 | continue; |
552 | } | |
023d66ed | 553 | if (!strcmp(arg, "--verify")) { |
4866ccf0 JH |
554 | filter &= ~(DO_FLAGS|DO_NOREV); |
555 | verify = 1; | |
023d66ed | 556 | continue; |
921d865e | 557 | } |
b1b35969 CC |
558 | if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) { |
559 | quiet = 1; | |
560 | continue; | |
561 | } | |
62a604ba | 562 | if (!strcmp(arg, "--short") || |
cc44c765 | 563 | !prefixcmp(arg, "--short=")) { |
d5012508 JH |
564 | filter &= ~(DO_FLAGS|DO_NOREV); |
565 | verify = 1; | |
566 | abbrev = DEFAULT_ABBREV; | |
44de0da4 JF |
567 | if (arg[7] == '=') |
568 | abbrev = strtoul(arg + 8, NULL, 10); | |
1dc4fb84 JH |
569 | if (abbrev < MINIMUM_ABBREV) |
570 | abbrev = MINIMUM_ABBREV; | |
571 | else if (40 <= abbrev) | |
572 | abbrev = 40; | |
d5012508 JH |
573 | continue; |
574 | } | |
5bb2c65a JH |
575 | if (!strcmp(arg, "--sq")) { |
576 | output_sq = 1; | |
577 | continue; | |
578 | } | |
042a4ed7 LT |
579 | if (!strcmp(arg, "--not")) { |
580 | show_type ^= REVERSED; | |
581 | continue; | |
582 | } | |
30b96fce | 583 | if (!strcmp(arg, "--symbolic")) { |
a6d97d49 JH |
584 | symbolic = SHOW_SYMBOLIC_ASIS; |
585 | continue; | |
586 | } | |
587 | if (!strcmp(arg, "--symbolic-full-name")) { | |
588 | symbolic = SHOW_SYMBOLIC_FULL; | |
30b96fce JH |
589 | continue; |
590 | } | |
a45d3469 BW |
591 | if (!prefixcmp(arg, "--abbrev-ref") && |
592 | (!arg[12] || arg[12] == '=')) { | |
593 | abbrev_ref = 1; | |
594 | abbrev_ref_strict = warn_ambiguous_refs; | |
595 | if (arg[12] == '=') { | |
596 | if (!strcmp(arg + 13, "strict")) | |
597 | abbrev_ref_strict = 1; | |
598 | else if (!strcmp(arg + 13, "loose")) | |
599 | abbrev_ref_strict = 0; | |
600 | else | |
601 | die("unknown mode for %s", arg); | |
602 | } | |
603 | continue; | |
604 | } | |
960bba0d | 605 | if (!strcmp(arg, "--all")) { |
cb5d709f | 606 | for_each_ref(show_reference, NULL); |
960bba0d LT |
607 | continue; |
608 | } | |
957d7406 JH |
609 | if (!prefixcmp(arg, "--disambiguate=")) { |
610 | for_each_abbrev(arg + 15, show_abbrev, NULL); | |
611 | continue; | |
612 | } | |
ad3f9a71 LT |
613 | if (!strcmp(arg, "--bisect")) { |
614 | for_each_ref_in("refs/bisect/bad", show_reference, NULL); | |
615 | for_each_ref_in("refs/bisect/good", anti_reference, NULL); | |
616 | continue; | |
617 | } | |
b09fe971 IL |
618 | if (!prefixcmp(arg, "--branches=")) { |
619 | for_each_glob_ref_in(show_reference, arg + 11, | |
620 | "refs/heads/", NULL); | |
621 | continue; | |
622 | } | |
a62be77f | 623 | if (!strcmp(arg, "--branches")) { |
cb5d709f | 624 | for_each_branch_ref(show_reference, NULL); |
a62be77f SE |
625 | continue; |
626 | } | |
b09fe971 IL |
627 | if (!prefixcmp(arg, "--tags=")) { |
628 | for_each_glob_ref_in(show_reference, arg + 7, | |
629 | "refs/tags/", NULL); | |
630 | continue; | |
631 | } | |
a62be77f | 632 | if (!strcmp(arg, "--tags")) { |
cb5d709f | 633 | for_each_tag_ref(show_reference, NULL); |
a62be77f SE |
634 | continue; |
635 | } | |
d08bae7e IL |
636 | if (!prefixcmp(arg, "--glob=")) { |
637 | for_each_glob_ref(show_reference, arg + 7, NULL); | |
638 | continue; | |
639 | } | |
b09fe971 IL |
640 | if (!prefixcmp(arg, "--remotes=")) { |
641 | for_each_glob_ref_in(show_reference, arg + 10, | |
642 | "refs/remotes/", NULL); | |
643 | continue; | |
644 | } | |
a62be77f | 645 | if (!strcmp(arg, "--remotes")) { |
cb5d709f | 646 | for_each_remote_ref(show_reference, NULL); |
a62be77f SE |
647 | continue; |
648 | } | |
68889b41 JK |
649 | if (!strcmp(arg, "--local-env-vars")) { |
650 | int i; | |
651 | for (i = 0; local_repo_env[i]; i++) | |
652 | printf("%s\n", local_repo_env[i]); | |
653 | continue; | |
654 | } | |
7cceca5c SD |
655 | if (!strcmp(arg, "--show-toplevel")) { |
656 | const char *work_tree = get_git_work_tree(); | |
657 | if (work_tree) | |
658 | puts(work_tree); | |
659 | continue; | |
660 | } | |
d288a700 | 661 | if (!strcmp(arg, "--show-prefix")) { |
4866ccf0 JH |
662 | if (prefix) |
663 | puts(prefix); | |
658219f1 RL |
664 | else |
665 | putchar('\n'); | |
d288a700 LT |
666 | continue; |
667 | } | |
5f94c730 JH |
668 | if (!strcmp(arg, "--show-cdup")) { |
669 | const char *pfx = prefix; | |
e90fdc39 JS |
670 | if (!is_inside_work_tree()) { |
671 | const char *work_tree = | |
672 | get_git_work_tree(); | |
673 | if (work_tree) | |
674 | printf("%s\n", work_tree); | |
675 | continue; | |
676 | } | |
5f94c730 JH |
677 | while (pfx) { |
678 | pfx = strchr(pfx, '/'); | |
679 | if (pfx) { | |
680 | pfx++; | |
681 | printf("../"); | |
682 | } | |
683 | } | |
684 | putchar('\n'); | |
685 | continue; | |
686 | } | |
a8783eeb LT |
687 | if (!strcmp(arg, "--git-dir")) { |
688 | const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); | |
689 | static char cwd[PATH_MAX]; | |
d06f15d9 | 690 | int len; |
a8783eeb LT |
691 | if (gitdir) { |
692 | puts(gitdir); | |
693 | continue; | |
694 | } | |
695 | if (!prefix) { | |
696 | puts(".git"); | |
697 | continue; | |
698 | } | |
699 | if (!getcwd(cwd, PATH_MAX)) | |
0721c314 | 700 | die_errno("unable to get current working directory"); |
d06f15d9 NTND |
701 | len = strlen(cwd); |
702 | printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : ""); | |
a8783eeb LT |
703 | continue; |
704 | } | |
68889b41 JK |
705 | if (!strcmp(arg, "--resolve-git-dir")) { |
706 | const char *gitdir = resolve_gitdir(argv[i+1]); | |
707 | if (!gitdir) | |
708 | die("not a gitdir '%s'", argv[i+1]); | |
709 | puts(gitdir); | |
710 | continue; | |
711 | } | |
6d9ba67b JS |
712 | if (!strcmp(arg, "--is-inside-git-dir")) { |
713 | printf("%s\n", is_inside_git_dir() ? "true" | |
714 | : "false"); | |
715 | continue; | |
716 | } | |
892c41b9 ML |
717 | if (!strcmp(arg, "--is-inside-work-tree")) { |
718 | printf("%s\n", is_inside_work_tree() ? "true" | |
719 | : "false"); | |
720 | continue; | |
721 | } | |
493c774e ML |
722 | if (!strcmp(arg, "--is-bare-repository")) { |
723 | printf("%s\n", is_bare_repository() ? "true" | |
724 | : "false"); | |
725 | continue; | |
726 | } | |
cc44c765 | 727 | if (!prefixcmp(arg, "--since=")) { |
c1babb1d LT |
728 | show_datestring("--max-age=", arg+8); |
729 | continue; | |
730 | } | |
cc44c765 | 731 | if (!prefixcmp(arg, "--after=")) { |
c1babb1d LT |
732 | show_datestring("--max-age=", arg+8); |
733 | continue; | |
734 | } | |
cc44c765 | 735 | if (!prefixcmp(arg, "--before=")) { |
c1babb1d LT |
736 | show_datestring("--min-age=", arg+9); |
737 | continue; | |
738 | } | |
cc44c765 | 739 | if (!prefixcmp(arg, "--until=")) { |
c1babb1d LT |
740 | show_datestring("--min-age=", arg+8); |
741 | continue; | |
742 | } | |
9523a4c2 | 743 | if (show_flag(arg) && verify) |
b1b35969 | 744 | die_no_single_rev(quiet); |
178cb243 LT |
745 | continue; |
746 | } | |
4866ccf0 JH |
747 | |
748 | /* Not a flag argument */ | |
3dd4e732 SB |
749 | if (try_difference(arg)) |
750 | continue; | |
2122f8b9 BS |
751 | if (try_parent_shorthands(arg)) |
752 | continue; | |
dfd1b749 CC |
753 | name = arg; |
754 | type = NORMAL; | |
755 | if (*arg == '^') { | |
756 | name++; | |
757 | type = REVERSED; | |
800644c5 | 758 | } |
dfd1b749 CC |
759 | if (!get_sha1(name, sha1)) { |
760 | if (verify) | |
761 | revs_count++; | |
762 | else | |
763 | show_rev(type, sha1, name); | |
800644c5 LT |
764 | continue; |
765 | } | |
75ecfce3 CC |
766 | if (verify) |
767 | die_no_single_rev(quiet); | |
9ad0a933 | 768 | as_is = 1; |
12b9d327 | 769 | if (!show_file(arg, output_prefix)) |
9ad0a933 | 770 | continue; |
023e37c3 | 771 | verify_filename(prefix, arg, 1); |
023d66ed | 772 | } |
dfd1b749 CC |
773 | if (verify) { |
774 | if (revs_count == 1) { | |
775 | show_rev(type, sha1, name); | |
776 | return 0; | |
777 | } else if (revs_count == 0 && show_default()) | |
778 | return 0; | |
b1b35969 | 779 | die_no_single_rev(quiet); |
dfd1b749 CC |
780 | } else |
781 | show_default(); | |
178cb243 LT |
782 | return 0; |
783 | } |