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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" |
9dc01bf0 JH |
12 | #include "diff.h" |
13 | #include "revision.h" | |
a76295da | 14 | #include "split-index.h" |
a8be83fe | 15 | |
4866ccf0 JH |
16 | #define DO_REVS 1 |
17 | #define DO_NOREV 2 | |
18 | #define DO_FLAGS 4 | |
19 | #define DO_NONFLAGS 8 | |
20 | static int filter = ~0; | |
21 | ||
96f1e58f | 22 | static const char *def; |
023d66ed | 23 | |
042a4ed7 LT |
24 | #define NORMAL 0 |
25 | #define REVERSED 1 | |
26 | static int show_type = NORMAL; | |
a6d97d49 JH |
27 | |
28 | #define SHOW_SYMBOLIC_ASIS 1 | |
29 | #define SHOW_SYMBOLIC_FULL 2 | |
96f1e58f DR |
30 | static int symbolic; |
31 | static int abbrev; | |
a45d3469 BW |
32 | static int abbrev_ref; |
33 | static int abbrev_ref_strict; | |
96f1e58f | 34 | static int output_sq; |
4866ccf0 | 35 | |
f8c87212 | 36 | static int stuck_long; |
9dc01bf0 | 37 | static struct string_list *ref_excludes; |
f8c87212 | 38 | |
921d865e LT |
39 | /* |
40 | * Some arguments are relevant "revision" arguments, | |
41 | * others are about output format or other details. | |
42 | * This sorts it all out. | |
43 | */ | |
44 | static int is_rev_argument(const char *arg) | |
45 | { | |
46 | static const char *rev_args[] = { | |
e091eb93 | 47 | "--all", |
4866ccf0 | 48 | "--bisect", |
5a83f3be | 49 | "--dense", |
b09fe971 | 50 | "--branches=", |
a62be77f | 51 | "--branches", |
4866ccf0 | 52 | "--header", |
cc243c3c | 53 | "--ignore-missing", |
921d865e | 54 | "--max-age=", |
4866ccf0 | 55 | "--max-count=", |
4866ccf0 | 56 | "--min-age=", |
5ccfb758 | 57 | "--no-merges", |
ad5aeede MG |
58 | "--min-parents=", |
59 | "--no-min-parents", | |
60 | "--max-parents=", | |
61 | "--no-max-parents", | |
4866ccf0 | 62 | "--objects", |
c6496575 | 63 | "--objects-edge", |
4866ccf0 JH |
64 | "--parents", |
65 | "--pretty", | |
b09fe971 | 66 | "--remotes=", |
a62be77f | 67 | "--remotes", |
d08bae7e | 68 | "--glob=", |
5a83f3be | 69 | "--sparse", |
b09fe971 | 70 | "--tags=", |
a62be77f | 71 | "--tags", |
4866ccf0 | 72 | "--topo-order", |
4c8725f1 | 73 | "--date-order", |
4866ccf0 | 74 | "--unpacked", |
921d865e LT |
75 | NULL |
76 | }; | |
77 | const char **p = rev_args; | |
78 | ||
8233340c EW |
79 | /* accept -<digit>, like traditional "head" */ |
80 | if ((*arg == '-') && isdigit(arg[1])) | |
81 | return 1; | |
82 | ||
921d865e LT |
83 | for (;;) { |
84 | const char *str = *p++; | |
85 | int len; | |
86 | if (!str) | |
87 | return 0; | |
88 | len = strlen(str); | |
4866ccf0 JH |
89 | if (!strcmp(arg, str) || |
90 | (str[len-1] == '=' && !strncmp(arg, str, len))) | |
921d865e LT |
91 | return 1; |
92 | } | |
93 | } | |
94 | ||
4866ccf0 | 95 | /* Output argument as a string, either SQ or normal */ |
5bb2c65a JH |
96 | static void show(const char *arg) |
97 | { | |
98 | if (output_sq) { | |
99 | int sq = '\'', ch; | |
100 | ||
101 | putchar(sq); | |
102 | while ((ch = *arg++)) { | |
103 | if (ch == sq) | |
104 | fputs("'\\'", stdout); | |
105 | putchar(ch); | |
106 | } | |
107 | putchar(sq); | |
108 | putchar(' '); | |
109 | } | |
110 | else | |
111 | puts(arg); | |
112 | } | |
113 | ||
e00f3790 JS |
114 | /* Like show(), but with a negation prefix according to type */ |
115 | static void show_with_type(int type, const char *arg) | |
116 | { | |
117 | if (type != show_type) | |
118 | putchar('^'); | |
119 | show(arg); | |
120 | } | |
121 | ||
4866ccf0 | 122 | /* Output a revision, only if filter allows it */ |
30b96fce | 123 | static void show_rev(int type, const unsigned char *sha1, const char *name) |
023d66ed | 124 | { |
4866ccf0 | 125 | if (!(filter & DO_REVS)) |
023d66ed | 126 | return; |
4866ccf0 | 127 | def = NULL; |
5bb2c65a | 128 | |
a45d3469 BW |
129 | if ((symbolic || abbrev_ref) && name) { |
130 | if (symbolic == SHOW_SYMBOLIC_FULL || abbrev_ref) { | |
a6d97d49 JH |
131 | unsigned char discard[20]; |
132 | char *full; | |
133 | ||
134 | switch (dwim_ref(name, strlen(name), discard, &full)) { | |
135 | case 0: | |
136 | /* | |
137 | * Not found -- not a ref. We could | |
138 | * emit "name" here, but symbolic-full | |
139 | * users are interested in finding the | |
140 | * refs spelled in full, and they would | |
141 | * need to filter non-refs if we did so. | |
142 | */ | |
143 | break; | |
144 | case 1: /* happy */ | |
a45d3469 BW |
145 | if (abbrev_ref) |
146 | full = shorten_unambiguous_ref(full, | |
147 | abbrev_ref_strict); | |
e00f3790 | 148 | show_with_type(type, full); |
a6d97d49 JH |
149 | break; |
150 | default: /* ambiguous */ | |
151 | error("refname '%s' is ambiguous", name); | |
152 | break; | |
153 | } | |
28b35632 | 154 | free(full); |
a6d97d49 | 155 | } else { |
e00f3790 | 156 | show_with_type(type, name); |
a6d97d49 JH |
157 | } |
158 | } | |
d5012508 | 159 | else if (abbrev) |
e00f3790 | 160 | show_with_type(type, find_unique_abbrev(sha1, abbrev)); |
30b96fce | 161 | else |
e00f3790 | 162 | show_with_type(type, sha1_to_hex(sha1)); |
023d66ed LT |
163 | } |
164 | ||
4866ccf0 | 165 | /* Output a flag, only if filter allows it. */ |
16cee38a | 166 | static int show_flag(const char *arg) |
023d66ed | 167 | { |
4866ccf0 | 168 | if (!(filter & DO_FLAGS)) |
9523a4c2 LT |
169 | return 0; |
170 | if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV)) { | |
0360e99d | 171 | show(arg); |
9523a4c2 LT |
172 | return 1; |
173 | } | |
174 | return 0; | |
023d66ed LT |
175 | } |
176 | ||
dfd1b749 | 177 | static int show_default(void) |
023d66ed | 178 | { |
16cee38a | 179 | const char *s = def; |
023d66ed LT |
180 | |
181 | if (s) { | |
182 | unsigned char sha1[20]; | |
183 | ||
184 | def = NULL; | |
9938af6a | 185 | if (!get_sha1(s, sha1)) { |
30b96fce | 186 | show_rev(NORMAL, sha1, s); |
dfd1b749 | 187 | return 1; |
023d66ed | 188 | } |
023d66ed | 189 | } |
dfd1b749 | 190 | return 0; |
023d66ed LT |
191 | } |
192 | ||
8da19775 | 193 | static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) |
960bba0d | 194 | { |
9dc01bf0 JH |
195 | if (ref_excluded(ref_excludes, refname)) |
196 | return 0; | |
30b96fce | 197 | show_rev(NORMAL, sha1, refname); |
960bba0d LT |
198 | return 0; |
199 | } | |
200 | ||
ad3f9a71 LT |
201 | static int anti_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) |
202 | { | |
203 | show_rev(REVERSED, sha1, refname); | |
204 | return 0; | |
205 | } | |
206 | ||
957d7406 JH |
207 | static int show_abbrev(const unsigned char *sha1, void *cb_data) |
208 | { | |
209 | show_rev(NORMAL, sha1, NULL); | |
210 | return 0; | |
211 | } | |
212 | ||
c1babb1d LT |
213 | static void show_datestring(const char *flag, const char *datestr) |
214 | { | |
c1babb1d | 215 | static char buffer[100]; |
c1babb1d LT |
216 | |
217 | /* date handling requires both flags and revs */ | |
218 | if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS)) | |
219 | return; | |
3c07b1d1 | 220 | snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr)); |
c1babb1d LT |
221 | show(buffer); |
222 | } | |
223 | ||
12b9d327 | 224 | static int show_file(const char *arg, int output_prefix) |
7a3dd472 | 225 | { |
7b34c2fa | 226 | show_default(); |
9ad0a933 | 227 | if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) { |
12b9d327 JK |
228 | if (output_prefix) { |
229 | const char *prefix = startup_info->prefix; | |
230 | show(prefix_filename(prefix, | |
231 | prefix ? strlen(prefix) : 0, | |
232 | arg)); | |
233 | } else | |
234 | show(arg); | |
9ad0a933 LT |
235 | return 1; |
236 | } | |
237 | return 0; | |
7a3dd472 LT |
238 | } |
239 | ||
b7d936b2 | 240 | static int try_difference(const char *arg) |
3dd4e732 SB |
241 | { |
242 | char *dotdot; | |
243 | unsigned char sha1[20]; | |
244 | unsigned char end[20]; | |
245 | const char *next; | |
246 | const char *this; | |
247 | int symmetric; | |
003c84f6 | 248 | static const char head_by_default[] = "HEAD"; |
3dd4e732 SB |
249 | |
250 | if (!(dotdot = strstr(arg, ".."))) | |
251 | return 0; | |
252 | next = dotdot + 2; | |
253 | this = arg; | |
254 | symmetric = (*next == '.'); | |
255 | ||
256 | *dotdot = 0; | |
257 | next += symmetric; | |
258 | ||
259 | if (!*next) | |
003c84f6 | 260 | next = head_by_default; |
3dd4e732 | 261 | if (dotdot == arg) |
003c84f6 JH |
262 | this = head_by_default; |
263 | ||
264 | if (this == head_by_default && next == head_by_default && | |
265 | !symmetric) { | |
266 | /* | |
267 | * Just ".."? That is not a range but the | |
268 | * pathspec for the parent directory. | |
269 | */ | |
270 | *dotdot = '.'; | |
271 | return 0; | |
272 | } | |
273 | ||
c036c4c5 | 274 | if (!get_sha1_committish(this, sha1) && !get_sha1_committish(next, end)) { |
3dd4e732 SB |
275 | show_rev(NORMAL, end, next); |
276 | show_rev(symmetric ? NORMAL : REVERSED, sha1, this); | |
277 | if (symmetric) { | |
278 | struct commit_list *exclude; | |
279 | struct commit *a, *b; | |
280 | a = lookup_commit_reference(sha1); | |
281 | b = lookup_commit_reference(end); | |
2ce406cc | 282 | exclude = get_merge_bases(a, b); |
3dd4e732 SB |
283 | while (exclude) { |
284 | struct commit_list *n = exclude->next; | |
285 | show_rev(REVERSED, | |
286 | exclude->item->object.sha1,NULL); | |
287 | free(exclude); | |
288 | exclude = n; | |
289 | } | |
290 | } | |
62f162f8 | 291 | *dotdot = '.'; |
3dd4e732 SB |
292 | return 1; |
293 | } | |
294 | *dotdot = '.'; | |
295 | return 0; | |
296 | } | |
297 | ||
2122f8b9 BS |
298 | static int try_parent_shorthands(const char *arg) |
299 | { | |
300 | char *dotdot; | |
301 | unsigned char sha1[20]; | |
302 | struct commit *commit; | |
303 | struct commit_list *parents; | |
304 | int parents_only; | |
305 | ||
306 | if ((dotdot = strstr(arg, "^!"))) | |
307 | parents_only = 0; | |
308 | else if ((dotdot = strstr(arg, "^@"))) | |
309 | parents_only = 1; | |
310 | ||
311 | if (!dotdot || dotdot[2]) | |
312 | return 0; | |
313 | ||
314 | *dotdot = 0; | |
62f162f8 JK |
315 | if (get_sha1_committish(arg, sha1)) { |
316 | *dotdot = '^'; | |
2122f8b9 | 317 | return 0; |
62f162f8 | 318 | } |
2122f8b9 BS |
319 | |
320 | if (!parents_only) | |
321 | show_rev(NORMAL, sha1, arg); | |
322 | commit = lookup_commit_reference(sha1); | |
323 | for (parents = commit->parents; parents; parents = parents->next) | |
324 | show_rev(parents_only ? NORMAL : REVERSED, | |
325 | parents->item->object.sha1, arg); | |
326 | ||
62f162f8 | 327 | *dotdot = '^'; |
2122f8b9 BS |
328 | return 1; |
329 | } | |
330 | ||
21d47835 PH |
331 | static int parseopt_dump(const struct option *o, const char *arg, int unset) |
332 | { | |
333 | struct strbuf *parsed = o->value; | |
334 | if (unset) | |
335 | strbuf_addf(parsed, " --no-%s", o->long_name); | |
f8c87212 | 336 | else if (o->short_name && (o->long_name == NULL || !stuck_long)) |
21d47835 PH |
337 | strbuf_addf(parsed, " -%c", o->short_name); |
338 | else | |
339 | strbuf_addf(parsed, " --%s", o->long_name); | |
340 | if (arg) { | |
f8c87212 NV |
341 | if (!stuck_long) |
342 | strbuf_addch(parsed, ' '); | |
343 | else if (o->long_name) | |
344 | strbuf_addch(parsed, '='); | |
21d47835 PH |
345 | sq_quote_buf(parsed, arg); |
346 | } | |
347 | return 0; | |
348 | } | |
349 | ||
350 | static const char *skipspaces(const char *s) | |
351 | { | |
352 | while (isspace(*s)) | |
353 | s++; | |
354 | return s; | |
355 | } | |
356 | ||
357 | static int cmd_parseopt(int argc, const char **argv, const char *prefix) | |
358 | { | |
6e0800ef | 359 | static int keep_dashdash = 0, stop_at_non_option = 0; |
21d47835 | 360 | static char const * const parseopt_usage[] = { |
2c7c184c | 361 | N_("git rev-parse --parseopt [options] -- [<args>...]"), |
21d47835 PH |
362 | NULL |
363 | }; | |
364 | static struct option parseopt_opts[] = { | |
d5d09d47 | 365 | OPT_BOOL(0, "keep-dashdash", &keep_dashdash, |
2c7c184c | 366 | N_("keep the `--` passed as an arg")), |
d5d09d47 | 367 | OPT_BOOL(0, "stop-at-non-option", &stop_at_non_option, |
2c7c184c NTND |
368 | N_("stop parsing after the " |
369 | "first non-option argument")), | |
f8c87212 NV |
370 | OPT_BOOL(0, "stuck-long", &stuck_long, |
371 | N_("output in stuck long form")), | |
21d47835 PH |
372 | OPT_END(), |
373 | }; | |
374 | ||
f285a2d7 | 375 | struct strbuf sb = STRBUF_INIT, parsed = STRBUF_INIT; |
21d47835 PH |
376 | const char **usage = NULL; |
377 | struct option *opts = NULL; | |
378 | int onb = 0, osz = 0, unb = 0, usz = 0; | |
379 | ||
21d47835 | 380 | strbuf_addstr(&parsed, "set --"); |
37782920 | 381 | argc = parse_options(argc, argv, prefix, parseopt_opts, parseopt_usage, |
21d47835 PH |
382 | PARSE_OPT_KEEP_DASHDASH); |
383 | if (argc < 1 || strcmp(argv[0], "--")) | |
384 | usage_with_options(parseopt_usage, parseopt_opts); | |
385 | ||
21d47835 PH |
386 | /* get the usage up to the first line with a -- on it */ |
387 | for (;;) { | |
388 | if (strbuf_getline(&sb, stdin, '\n') == EOF) | |
389 | die("premature end of input"); | |
390 | ALLOC_GROW(usage, unb + 1, usz); | |
391 | if (!strcmp("--", sb.buf)) { | |
392 | if (unb < 1) | |
393 | die("no usage string given before the `--' separator"); | |
394 | usage[unb] = NULL; | |
395 | break; | |
396 | } | |
397 | usage[unb++] = strbuf_detach(&sb, NULL); | |
398 | } | |
399 | ||
9bab5b60 | 400 | /* parse: (<short>|<short>,<long>|<long>)[*=?!]*<arghint>? SP+ <help> */ |
21d47835 PH |
401 | while (strbuf_getline(&sb, stdin, '\n') != EOF) { |
402 | const char *s; | |
9bab5b60 | 403 | const char *end; |
21d47835 PH |
404 | struct option *o; |
405 | ||
406 | if (!sb.len) | |
407 | continue; | |
408 | ||
409 | ALLOC_GROW(opts, onb + 1, osz); | |
410 | memset(opts + onb, 0, sizeof(opts[onb])); | |
411 | ||
412 | o = &opts[onb++]; | |
413 | s = strchr(sb.buf, ' '); | |
414 | if (!s || *sb.buf == ' ') { | |
415 | o->type = OPTION_GROUP; | |
e1033436 | 416 | o->help = xstrdup(skipspaces(sb.buf)); |
21d47835 PH |
417 | continue; |
418 | } | |
419 | ||
420 | o->type = OPTION_CALLBACK; | |
421 | o->help = xstrdup(skipspaces(s)); | |
422 | o->value = &parsed; | |
ff962a3f | 423 | o->flags = PARSE_OPT_NOARG; |
21d47835 | 424 | o->callback = &parseopt_dump; |
9bab5b60 IB |
425 | |
426 | /* Possible argument name hint */ | |
427 | end = s; | |
428 | while (s > sb.buf && strchr("*=?!", s[-1]) == NULL) | |
429 | --s; | |
430 | if (s != sb.buf && s != end) | |
431 | o->argh = xmemdupz(s, end - s); | |
432 | if (s == sb.buf) | |
433 | s = end; | |
434 | ||
ff962a3f PH |
435 | while (s > sb.buf && strchr("*=?!", s[-1])) { |
436 | switch (*--s) { | |
437 | case '=': | |
438 | o->flags &= ~PARSE_OPT_NOARG; | |
439 | break; | |
440 | case '?': | |
441 | o->flags &= ~PARSE_OPT_NOARG; | |
442 | o->flags |= PARSE_OPT_OPTARG; | |
443 | break; | |
444 | case '!': | |
445 | o->flags |= PARSE_OPT_NONEG; | |
446 | break; | |
447 | case '*': | |
448 | o->flags |= PARSE_OPT_HIDDEN; | |
449 | break; | |
450 | } | |
21d47835 PH |
451 | } |
452 | ||
453 | if (s - sb.buf == 1) /* short option only */ | |
454 | o->short_name = *sb.buf; | |
455 | else if (sb.buf[1] != ',') /* long option only */ | |
456 | o->long_name = xmemdupz(sb.buf, s - sb.buf); | |
457 | else { | |
458 | o->short_name = *sb.buf; | |
459 | o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2); | |
460 | } | |
461 | } | |
462 | strbuf_release(&sb); | |
463 | ||
464 | /* put an OPT_END() */ | |
465 | ALLOC_GROW(opts, onb + 1, osz); | |
466 | memset(opts + onb, 0, sizeof(opts[onb])); | |
37782920 | 467 | argc = parse_options(argc, argv, prefix, opts, usage, |
29981380 | 468 | (keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0) | |
fcd91f8d | 469 | (stop_at_non_option ? PARSE_OPT_STOP_AT_NON_OPTION : 0) | |
47e9cd28 | 470 | PARSE_OPT_SHELL_EVAL); |
21d47835 PH |
471 | |
472 | strbuf_addf(&parsed, " --"); | |
b319ce4c | 473 | sq_quote_argv(&parsed, argv, 0); |
21d47835 PH |
474 | puts(parsed.buf); |
475 | return 0; | |
476 | } | |
477 | ||
50325377 CC |
478 | static int cmd_sq_quote(int argc, const char **argv) |
479 | { | |
480 | struct strbuf buf = STRBUF_INIT; | |
481 | ||
482 | if (argc) | |
483 | sq_quote_argv(&buf, argv, 0); | |
484 | printf("%s\n", buf.buf); | |
485 | strbuf_release(&buf); | |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
b1b35969 CC |
490 | static void die_no_single_rev(int quiet) |
491 | { | |
492 | if (quiet) | |
493 | exit(1); | |
494 | else | |
495 | die("Needed a single revision"); | |
496 | } | |
497 | ||
7006b5be | 498 | static const char builtin_rev_parse_usage[] = |
2c7c184c NTND |
499 | N_("git rev-parse --parseopt [options] -- [<args>...]\n" |
500 | " or: git rev-parse --sq-quote [<arg>...]\n" | |
501 | " or: git rev-parse [options] [<arg>...]\n" | |
502 | "\n" | |
503 | "Run \"git rev-parse --parseopt -h\" for more information on the first usage."); | |
7006b5be | 504 | |
a633fca0 | 505 | int cmd_rev_parse(int argc, const char **argv, const char *prefix) |
178cb243 | 506 | { |
dfd1b749 | 507 | int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; |
14185673 | 508 | int has_dashdash = 0; |
12b9d327 | 509 | int output_prefix = 0; |
178cb243 | 510 | unsigned char sha1[20]; |
c41a87dd | 511 | unsigned int flags = 0; |
dfd1b749 | 512 | const char *name = NULL; |
c41a87dd | 513 | struct object_context unused; |
a62be77f | 514 | |
21d47835 PH |
515 | if (argc > 1 && !strcmp("--parseopt", argv[1])) |
516 | return cmd_parseopt(argc - 1, argv + 1, prefix); | |
517 | ||
50325377 CC |
518 | if (argc > 1 && !strcmp("--sq-quote", argv[1])) |
519 | return cmd_sq_quote(argc - 2, argv + 2); | |
520 | ||
7006b5be JN |
521 | if (argc > 1 && !strcmp("-h", argv[1])) |
522 | usage(builtin_rev_parse_usage); | |
523 | ||
14185673 JK |
524 | for (i = 1; i < argc; i++) { |
525 | if (!strcmp(argv[i], "--")) { | |
526 | has_dashdash = 1; | |
527 | break; | |
528 | } | |
529 | } | |
530 | ||
5410a02a | 531 | prefix = setup_git_directory(); |
ef90d6d4 | 532 | git_config(git_default_config, NULL); |
178cb243 | 533 | for (i = 1; i < argc; i++) { |
16cee38a | 534 | const char *arg = argv[i]; |
fb18a2ed | 535 | |
178cb243 | 536 | if (as_is) { |
12b9d327 | 537 | if (show_file(arg, output_prefix) && as_is < 2) |
023e37c3 | 538 | verify_filename(prefix, arg, 0); |
178cb243 LT |
539 | continue; |
540 | } | |
3af06987 EW |
541 | if (!strcmp(arg,"-n")) { |
542 | if (++i >= argc) | |
543 | die("-n requires an argument"); | |
544 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) { | |
545 | show(arg); | |
546 | show(argv[i]); | |
547 | } | |
548 | continue; | |
549 | } | |
59556548 | 550 | if (starts_with(arg, "-n")) { |
3af06987 EW |
551 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) |
552 | show(arg); | |
553 | continue; | |
554 | } | |
555 | ||
178cb243 LT |
556 | if (*arg == '-') { |
557 | if (!strcmp(arg, "--")) { | |
fb18a2ed | 558 | as_is = 2; |
a08b6505 LT |
559 | /* Pass on the "--" if we show anything but files.. */ |
560 | if (filter & (DO_FLAGS | DO_REVS)) | |
12b9d327 | 561 | show_file(arg, 0); |
4866ccf0 | 562 | continue; |
178cb243 LT |
563 | } |
564 | if (!strcmp(arg, "--default")) { | |
a43219f2 DS |
565 | def = argv[++i]; |
566 | if (!def) | |
567 | die("--default requires an argument"); | |
178cb243 LT |
568 | continue; |
569 | } | |
12b9d327 | 570 | if (!strcmp(arg, "--prefix")) { |
a43219f2 DS |
571 | prefix = argv[++i]; |
572 | if (!prefix) | |
573 | die("--prefix requires an argument"); | |
12b9d327 JK |
574 | startup_info->prefix = prefix; |
575 | output_prefix = 1; | |
12b9d327 JK |
576 | continue; |
577 | } | |
8ebb0184 | 578 | if (!strcmp(arg, "--revs-only")) { |
4866ccf0 | 579 | filter &= ~DO_NOREV; |
8ebb0184 LT |
580 | continue; |
581 | } | |
582 | if (!strcmp(arg, "--no-revs")) { | |
4866ccf0 | 583 | filter &= ~DO_REVS; |
8ebb0184 LT |
584 | continue; |
585 | } | |
f79b65aa | 586 | if (!strcmp(arg, "--flags")) { |
4866ccf0 | 587 | filter &= ~DO_NONFLAGS; |
f79b65aa LT |
588 | continue; |
589 | } | |
590 | if (!strcmp(arg, "--no-flags")) { | |
4866ccf0 | 591 | filter &= ~DO_FLAGS; |
f79b65aa LT |
592 | continue; |
593 | } | |
023d66ed | 594 | if (!strcmp(arg, "--verify")) { |
4866ccf0 JH |
595 | filter &= ~(DO_FLAGS|DO_NOREV); |
596 | verify = 1; | |
023d66ed | 597 | continue; |
921d865e | 598 | } |
b1b35969 CC |
599 | if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) { |
600 | quiet = 1; | |
c41a87dd | 601 | flags |= GET_SHA1_QUIETLY; |
b1b35969 CC |
602 | continue; |
603 | } | |
62a604ba | 604 | if (!strcmp(arg, "--short") || |
59556548 | 605 | starts_with(arg, "--short=")) { |
d5012508 JH |
606 | filter &= ~(DO_FLAGS|DO_NOREV); |
607 | verify = 1; | |
608 | abbrev = DEFAULT_ABBREV; | |
44de0da4 JF |
609 | if (arg[7] == '=') |
610 | abbrev = strtoul(arg + 8, NULL, 10); | |
1dc4fb84 JH |
611 | if (abbrev < MINIMUM_ABBREV) |
612 | abbrev = MINIMUM_ABBREV; | |
613 | else if (40 <= abbrev) | |
614 | abbrev = 40; | |
d5012508 JH |
615 | continue; |
616 | } | |
5bb2c65a JH |
617 | if (!strcmp(arg, "--sq")) { |
618 | output_sq = 1; | |
619 | continue; | |
620 | } | |
042a4ed7 LT |
621 | if (!strcmp(arg, "--not")) { |
622 | show_type ^= REVERSED; | |
623 | continue; | |
624 | } | |
30b96fce | 625 | if (!strcmp(arg, "--symbolic")) { |
a6d97d49 JH |
626 | symbolic = SHOW_SYMBOLIC_ASIS; |
627 | continue; | |
628 | } | |
629 | if (!strcmp(arg, "--symbolic-full-name")) { | |
630 | symbolic = SHOW_SYMBOLIC_FULL; | |
30b96fce JH |
631 | continue; |
632 | } | |
59556548 | 633 | if (starts_with(arg, "--abbrev-ref") && |
a45d3469 BW |
634 | (!arg[12] || arg[12] == '=')) { |
635 | abbrev_ref = 1; | |
636 | abbrev_ref_strict = warn_ambiguous_refs; | |
637 | if (arg[12] == '=') { | |
638 | if (!strcmp(arg + 13, "strict")) | |
639 | abbrev_ref_strict = 1; | |
640 | else if (!strcmp(arg + 13, "loose")) | |
641 | abbrev_ref_strict = 0; | |
642 | else | |
643 | die("unknown mode for %s", arg); | |
644 | } | |
645 | continue; | |
646 | } | |
960bba0d | 647 | if (!strcmp(arg, "--all")) { |
cb5d709f | 648 | for_each_ref(show_reference, NULL); |
960bba0d LT |
649 | continue; |
650 | } | |
59556548 | 651 | if (starts_with(arg, "--disambiguate=")) { |
957d7406 JH |
652 | for_each_abbrev(arg + 15, show_abbrev, NULL); |
653 | continue; | |
654 | } | |
ad3f9a71 LT |
655 | if (!strcmp(arg, "--bisect")) { |
656 | for_each_ref_in("refs/bisect/bad", show_reference, NULL); | |
657 | for_each_ref_in("refs/bisect/good", anti_reference, NULL); | |
658 | continue; | |
659 | } | |
59556548 | 660 | if (starts_with(arg, "--branches=")) { |
b09fe971 IL |
661 | for_each_glob_ref_in(show_reference, arg + 11, |
662 | "refs/heads/", NULL); | |
9dc01bf0 | 663 | clear_ref_exclusion(&ref_excludes); |
b09fe971 IL |
664 | continue; |
665 | } | |
a62be77f | 666 | if (!strcmp(arg, "--branches")) { |
cb5d709f | 667 | for_each_branch_ref(show_reference, NULL); |
9dc01bf0 | 668 | clear_ref_exclusion(&ref_excludes); |
a62be77f SE |
669 | continue; |
670 | } | |
59556548 | 671 | if (starts_with(arg, "--tags=")) { |
b09fe971 IL |
672 | for_each_glob_ref_in(show_reference, arg + 7, |
673 | "refs/tags/", NULL); | |
9dc01bf0 | 674 | clear_ref_exclusion(&ref_excludes); |
b09fe971 IL |
675 | continue; |
676 | } | |
a62be77f | 677 | if (!strcmp(arg, "--tags")) { |
cb5d709f | 678 | for_each_tag_ref(show_reference, NULL); |
9dc01bf0 | 679 | clear_ref_exclusion(&ref_excludes); |
a62be77f SE |
680 | continue; |
681 | } | |
59556548 | 682 | if (starts_with(arg, "--glob=")) { |
d08bae7e | 683 | for_each_glob_ref(show_reference, arg + 7, NULL); |
9dc01bf0 | 684 | clear_ref_exclusion(&ref_excludes); |
d08bae7e IL |
685 | continue; |
686 | } | |
59556548 | 687 | if (starts_with(arg, "--remotes=")) { |
b09fe971 IL |
688 | for_each_glob_ref_in(show_reference, arg + 10, |
689 | "refs/remotes/", NULL); | |
9dc01bf0 | 690 | clear_ref_exclusion(&ref_excludes); |
b09fe971 IL |
691 | continue; |
692 | } | |
a62be77f | 693 | if (!strcmp(arg, "--remotes")) { |
cb5d709f | 694 | for_each_remote_ref(show_reference, NULL); |
9dc01bf0 JH |
695 | clear_ref_exclusion(&ref_excludes); |
696 | continue; | |
697 | } | |
ad704485 | 698 | if (starts_with(arg, "--exclude=")) { |
9dc01bf0 | 699 | add_ref_exclusion(&ref_excludes, arg + 10); |
a62be77f SE |
700 | continue; |
701 | } | |
68889b41 JK |
702 | if (!strcmp(arg, "--local-env-vars")) { |
703 | int i; | |
704 | for (i = 0; local_repo_env[i]; i++) | |
705 | printf("%s\n", local_repo_env[i]); | |
706 | continue; | |
707 | } | |
7cceca5c SD |
708 | if (!strcmp(arg, "--show-toplevel")) { |
709 | const char *work_tree = get_git_work_tree(); | |
710 | if (work_tree) | |
711 | puts(work_tree); | |
712 | continue; | |
713 | } | |
d288a700 | 714 | if (!strcmp(arg, "--show-prefix")) { |
4866ccf0 JH |
715 | if (prefix) |
716 | puts(prefix); | |
658219f1 RL |
717 | else |
718 | putchar('\n'); | |
d288a700 LT |
719 | continue; |
720 | } | |
5f94c730 JH |
721 | if (!strcmp(arg, "--show-cdup")) { |
722 | const char *pfx = prefix; | |
e90fdc39 JS |
723 | if (!is_inside_work_tree()) { |
724 | const char *work_tree = | |
725 | get_git_work_tree(); | |
726 | if (work_tree) | |
727 | printf("%s\n", work_tree); | |
728 | continue; | |
729 | } | |
5f94c730 JH |
730 | while (pfx) { |
731 | pfx = strchr(pfx, '/'); | |
732 | if (pfx) { | |
733 | pfx++; | |
734 | printf("../"); | |
735 | } | |
736 | } | |
737 | putchar('\n'); | |
738 | continue; | |
739 | } | |
a8783eeb LT |
740 | if (!strcmp(arg, "--git-dir")) { |
741 | const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); | |
56b9f6e7 | 742 | char *cwd; |
d06f15d9 | 743 | int len; |
a8783eeb LT |
744 | if (gitdir) { |
745 | puts(gitdir); | |
746 | continue; | |
747 | } | |
748 | if (!prefix) { | |
749 | puts(".git"); | |
750 | continue; | |
751 | } | |
56b9f6e7 | 752 | cwd = xgetcwd(); |
d06f15d9 NTND |
753 | len = strlen(cwd); |
754 | printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : ""); | |
56b9f6e7 | 755 | free(cwd); |
a8783eeb LT |
756 | continue; |
757 | } | |
68889b41 | 758 | if (!strcmp(arg, "--resolve-git-dir")) { |
a43219f2 | 759 | const char *gitdir = argv[++i]; |
68889b41 | 760 | if (!gitdir) |
a43219f2 DS |
761 | die("--resolve-git-dir requires an argument"); |
762 | gitdir = resolve_gitdir(gitdir); | |
763 | if (!gitdir) | |
764 | die("not a gitdir '%s'", argv[i]); | |
68889b41 JK |
765 | puts(gitdir); |
766 | continue; | |
767 | } | |
6d9ba67b JS |
768 | if (!strcmp(arg, "--is-inside-git-dir")) { |
769 | printf("%s\n", is_inside_git_dir() ? "true" | |
770 | : "false"); | |
771 | continue; | |
772 | } | |
892c41b9 ML |
773 | if (!strcmp(arg, "--is-inside-work-tree")) { |
774 | printf("%s\n", is_inside_work_tree() ? "true" | |
775 | : "false"); | |
776 | continue; | |
777 | } | |
493c774e ML |
778 | if (!strcmp(arg, "--is-bare-repository")) { |
779 | printf("%s\n", is_bare_repository() ? "true" | |
780 | : "false"); | |
781 | continue; | |
782 | } | |
a76295da NTND |
783 | if (!strcmp(arg, "--shared-index-path")) { |
784 | if (read_cache() < 0) | |
785 | die(_("Could not read the index")); | |
786 | if (the_index.split_index) { | |
787 | const unsigned char *sha1 = the_index.split_index->base_sha1; | |
788 | puts(git_path("sharedindex.%s", sha1_to_hex(sha1))); | |
789 | } | |
790 | continue; | |
791 | } | |
59556548 | 792 | if (starts_with(arg, "--since=")) { |
c1babb1d LT |
793 | show_datestring("--max-age=", arg+8); |
794 | continue; | |
795 | } | |
59556548 | 796 | if (starts_with(arg, "--after=")) { |
c1babb1d LT |
797 | show_datestring("--max-age=", arg+8); |
798 | continue; | |
799 | } | |
59556548 | 800 | if (starts_with(arg, "--before=")) { |
c1babb1d LT |
801 | show_datestring("--min-age=", arg+9); |
802 | continue; | |
803 | } | |
59556548 | 804 | if (starts_with(arg, "--until=")) { |
c1babb1d LT |
805 | show_datestring("--min-age=", arg+8); |
806 | continue; | |
807 | } | |
9523a4c2 | 808 | if (show_flag(arg) && verify) |
b1b35969 | 809 | die_no_single_rev(quiet); |
178cb243 LT |
810 | continue; |
811 | } | |
4866ccf0 JH |
812 | |
813 | /* Not a flag argument */ | |
3dd4e732 SB |
814 | if (try_difference(arg)) |
815 | continue; | |
2122f8b9 BS |
816 | if (try_parent_shorthands(arg)) |
817 | continue; | |
dfd1b749 CC |
818 | name = arg; |
819 | type = NORMAL; | |
820 | if (*arg == '^') { | |
821 | name++; | |
822 | type = REVERSED; | |
800644c5 | 823 | } |
c41a87dd | 824 | if (!get_sha1_with_context(name, flags, sha1, &unused)) { |
dfd1b749 CC |
825 | if (verify) |
826 | revs_count++; | |
827 | else | |
828 | show_rev(type, sha1, name); | |
800644c5 LT |
829 | continue; |
830 | } | |
75ecfce3 CC |
831 | if (verify) |
832 | die_no_single_rev(quiet); | |
14185673 JK |
833 | if (has_dashdash) |
834 | die("bad revision '%s'", arg); | |
9ad0a933 | 835 | as_is = 1; |
12b9d327 | 836 | if (!show_file(arg, output_prefix)) |
9ad0a933 | 837 | continue; |
023e37c3 | 838 | verify_filename(prefix, arg, 1); |
023d66ed | 839 | } |
dfd1b749 CC |
840 | if (verify) { |
841 | if (revs_count == 1) { | |
842 | show_rev(type, sha1, name); | |
843 | return 0; | |
844 | } else if (revs_count == 0 && show_default()) | |
845 | return 0; | |
b1b35969 | 846 | die_no_single_rev(quiet); |
dfd1b749 CC |
847 | } else |
848 | show_default(); | |
178cb243 LT |
849 | return 0; |
850 | } |