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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 | ||
21d47835 PH |
244 | static int parseopt_dump(const struct option *o, const char *arg, int unset) |
245 | { | |
246 | struct strbuf *parsed = o->value; | |
247 | if (unset) | |
248 | strbuf_addf(parsed, " --no-%s", o->long_name); | |
249 | else if (o->short_name) | |
250 | strbuf_addf(parsed, " -%c", o->short_name); | |
251 | else | |
252 | strbuf_addf(parsed, " --%s", o->long_name); | |
253 | if (arg) { | |
254 | strbuf_addch(parsed, ' '); | |
255 | sq_quote_buf(parsed, arg); | |
256 | } | |
257 | return 0; | |
258 | } | |
259 | ||
260 | static const char *skipspaces(const char *s) | |
261 | { | |
262 | while (isspace(*s)) | |
263 | s++; | |
264 | return s; | |
265 | } | |
266 | ||
267 | static int cmd_parseopt(int argc, const char **argv, const char *prefix) | |
268 | { | |
269 | static int keep_dashdash = 0; | |
270 | static char const * const parseopt_usage[] = { | |
271 | "git-rev-parse --parseopt [options] -- [<args>...]", | |
272 | NULL | |
273 | }; | |
274 | static struct option parseopt_opts[] = { | |
275 | OPT_BOOLEAN(0, "keep-dashdash", &keep_dashdash, | |
276 | "keep the `--` passed as an arg"), | |
277 | OPT_END(), | |
278 | }; | |
279 | ||
280 | struct strbuf sb, parsed; | |
281 | const char **usage = NULL; | |
282 | struct option *opts = NULL; | |
283 | int onb = 0, osz = 0, unb = 0, usz = 0; | |
284 | ||
285 | strbuf_init(&parsed, 0); | |
286 | strbuf_addstr(&parsed, "set --"); | |
287 | argc = parse_options(argc, argv, parseopt_opts, parseopt_usage, | |
288 | PARSE_OPT_KEEP_DASHDASH); | |
289 | if (argc < 1 || strcmp(argv[0], "--")) | |
290 | usage_with_options(parseopt_usage, parseopt_opts); | |
291 | ||
292 | strbuf_init(&sb, 0); | |
293 | /* get the usage up to the first line with a -- on it */ | |
294 | for (;;) { | |
295 | if (strbuf_getline(&sb, stdin, '\n') == EOF) | |
296 | die("premature end of input"); | |
297 | ALLOC_GROW(usage, unb + 1, usz); | |
298 | if (!strcmp("--", sb.buf)) { | |
299 | if (unb < 1) | |
300 | die("no usage string given before the `--' separator"); | |
301 | usage[unb] = NULL; | |
302 | break; | |
303 | } | |
304 | usage[unb++] = strbuf_detach(&sb, NULL); | |
305 | } | |
306 | ||
307 | /* parse: (<short>|<short>,<long>|<long>)[=?]? SP+ <help> */ | |
308 | while (strbuf_getline(&sb, stdin, '\n') != EOF) { | |
309 | const char *s; | |
310 | struct option *o; | |
311 | ||
312 | if (!sb.len) | |
313 | continue; | |
314 | ||
315 | ALLOC_GROW(opts, onb + 1, osz); | |
316 | memset(opts + onb, 0, sizeof(opts[onb])); | |
317 | ||
318 | o = &opts[onb++]; | |
319 | s = strchr(sb.buf, ' '); | |
320 | if (!s || *sb.buf == ' ') { | |
321 | o->type = OPTION_GROUP; | |
e1033436 | 322 | o->help = xstrdup(skipspaces(sb.buf)); |
21d47835 PH |
323 | continue; |
324 | } | |
325 | ||
326 | o->type = OPTION_CALLBACK; | |
327 | o->help = xstrdup(skipspaces(s)); | |
328 | o->value = &parsed; | |
ff962a3f | 329 | o->flags = PARSE_OPT_NOARG; |
21d47835 | 330 | o->callback = &parseopt_dump; |
ff962a3f PH |
331 | while (s > sb.buf && strchr("*=?!", s[-1])) { |
332 | switch (*--s) { | |
333 | case '=': | |
334 | o->flags &= ~PARSE_OPT_NOARG; | |
335 | break; | |
336 | case '?': | |
337 | o->flags &= ~PARSE_OPT_NOARG; | |
338 | o->flags |= PARSE_OPT_OPTARG; | |
339 | break; | |
340 | case '!': | |
341 | o->flags |= PARSE_OPT_NONEG; | |
342 | break; | |
343 | case '*': | |
344 | o->flags |= PARSE_OPT_HIDDEN; | |
345 | break; | |
346 | } | |
21d47835 PH |
347 | } |
348 | ||
349 | if (s - sb.buf == 1) /* short option only */ | |
350 | o->short_name = *sb.buf; | |
351 | else if (sb.buf[1] != ',') /* long option only */ | |
352 | o->long_name = xmemdupz(sb.buf, s - sb.buf); | |
353 | else { | |
354 | o->short_name = *sb.buf; | |
355 | o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2); | |
356 | } | |
357 | } | |
358 | strbuf_release(&sb); | |
359 | ||
360 | /* put an OPT_END() */ | |
361 | ALLOC_GROW(opts, onb + 1, osz); | |
362 | memset(opts + onb, 0, sizeof(opts[onb])); | |
363 | argc = parse_options(argc, argv, opts, usage, | |
364 | keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0); | |
365 | ||
366 | strbuf_addf(&parsed, " --"); | |
b319ce4c | 367 | sq_quote_argv(&parsed, argv, 0); |
21d47835 PH |
368 | puts(parsed.buf); |
369 | return 0; | |
370 | } | |
371 | ||
b1b35969 CC |
372 | static void die_no_single_rev(int quiet) |
373 | { | |
374 | if (quiet) | |
375 | exit(1); | |
376 | else | |
377 | die("Needed a single revision"); | |
378 | } | |
379 | ||
a633fca0 | 380 | int cmd_rev_parse(int argc, const char **argv, const char *prefix) |
178cb243 | 381 | { |
dfd1b749 | 382 | int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; |
178cb243 | 383 | unsigned char sha1[20]; |
dfd1b749 | 384 | const char *name = NULL; |
a62be77f | 385 | |
21d47835 PH |
386 | if (argc > 1 && !strcmp("--parseopt", argv[1])) |
387 | return cmd_parseopt(argc - 1, argv + 1, prefix); | |
388 | ||
5410a02a | 389 | prefix = setup_git_directory(); |
ef90d6d4 | 390 | git_config(git_default_config, NULL); |
178cb243 | 391 | for (i = 1; i < argc; i++) { |
16cee38a | 392 | const char *arg = argv[i]; |
fb18a2ed | 393 | |
178cb243 | 394 | if (as_is) { |
fb18a2ed | 395 | if (show_file(arg) && as_is < 2) |
e23d0b4a | 396 | verify_filename(prefix, arg); |
178cb243 LT |
397 | continue; |
398 | } | |
3af06987 EW |
399 | if (!strcmp(arg,"-n")) { |
400 | if (++i >= argc) | |
401 | die("-n requires an argument"); | |
402 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) { | |
403 | show(arg); | |
404 | show(argv[i]); | |
405 | } | |
406 | continue; | |
407 | } | |
1968d77d | 408 | if (!prefixcmp(arg, "-n")) { |
3af06987 EW |
409 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) |
410 | show(arg); | |
411 | continue; | |
412 | } | |
413 | ||
178cb243 LT |
414 | if (*arg == '-') { |
415 | if (!strcmp(arg, "--")) { | |
fb18a2ed | 416 | as_is = 2; |
a08b6505 LT |
417 | /* Pass on the "--" if we show anything but files.. */ |
418 | if (filter & (DO_FLAGS | DO_REVS)) | |
419 | show_file(arg); | |
4866ccf0 | 420 | continue; |
178cb243 LT |
421 | } |
422 | if (!strcmp(arg, "--default")) { | |
178cb243 LT |
423 | def = argv[i+1]; |
424 | i++; | |
425 | continue; | |
426 | } | |
8ebb0184 | 427 | if (!strcmp(arg, "--revs-only")) { |
4866ccf0 | 428 | filter &= ~DO_NOREV; |
8ebb0184 LT |
429 | continue; |
430 | } | |
431 | if (!strcmp(arg, "--no-revs")) { | |
4866ccf0 | 432 | filter &= ~DO_REVS; |
8ebb0184 LT |
433 | continue; |
434 | } | |
f79b65aa | 435 | if (!strcmp(arg, "--flags")) { |
4866ccf0 | 436 | filter &= ~DO_NONFLAGS; |
f79b65aa LT |
437 | continue; |
438 | } | |
439 | if (!strcmp(arg, "--no-flags")) { | |
4866ccf0 | 440 | filter &= ~DO_FLAGS; |
f79b65aa LT |
441 | continue; |
442 | } | |
023d66ed | 443 | if (!strcmp(arg, "--verify")) { |
4866ccf0 JH |
444 | filter &= ~(DO_FLAGS|DO_NOREV); |
445 | verify = 1; | |
023d66ed | 446 | continue; |
921d865e | 447 | } |
b1b35969 CC |
448 | if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) { |
449 | quiet = 1; | |
450 | continue; | |
451 | } | |
62a604ba | 452 | if (!strcmp(arg, "--short") || |
cc44c765 | 453 | !prefixcmp(arg, "--short=")) { |
d5012508 JH |
454 | filter &= ~(DO_FLAGS|DO_NOREV); |
455 | verify = 1; | |
456 | abbrev = DEFAULT_ABBREV; | |
44de0da4 JF |
457 | if (arg[7] == '=') |
458 | abbrev = strtoul(arg + 8, NULL, 10); | |
1dc4fb84 JH |
459 | if (abbrev < MINIMUM_ABBREV) |
460 | abbrev = MINIMUM_ABBREV; | |
461 | else if (40 <= abbrev) | |
462 | abbrev = 40; | |
d5012508 JH |
463 | continue; |
464 | } | |
5bb2c65a JH |
465 | if (!strcmp(arg, "--sq")) { |
466 | output_sq = 1; | |
467 | continue; | |
468 | } | |
042a4ed7 LT |
469 | if (!strcmp(arg, "--not")) { |
470 | show_type ^= REVERSED; | |
471 | continue; | |
472 | } | |
30b96fce | 473 | if (!strcmp(arg, "--symbolic")) { |
a6d97d49 JH |
474 | symbolic = SHOW_SYMBOLIC_ASIS; |
475 | continue; | |
476 | } | |
477 | if (!strcmp(arg, "--symbolic-full-name")) { | |
478 | symbolic = SHOW_SYMBOLIC_FULL; | |
30b96fce JH |
479 | continue; |
480 | } | |
960bba0d | 481 | if (!strcmp(arg, "--all")) { |
cb5d709f | 482 | for_each_ref(show_reference, NULL); |
960bba0d LT |
483 | continue; |
484 | } | |
a62be77f | 485 | if (!strcmp(arg, "--branches")) { |
cb5d709f | 486 | for_each_branch_ref(show_reference, NULL); |
a62be77f SE |
487 | continue; |
488 | } | |
489 | if (!strcmp(arg, "--tags")) { | |
cb5d709f | 490 | for_each_tag_ref(show_reference, NULL); |
a62be77f SE |
491 | continue; |
492 | } | |
493 | if (!strcmp(arg, "--remotes")) { | |
cb5d709f | 494 | for_each_remote_ref(show_reference, NULL); |
a62be77f SE |
495 | continue; |
496 | } | |
d288a700 | 497 | if (!strcmp(arg, "--show-prefix")) { |
4866ccf0 JH |
498 | if (prefix) |
499 | puts(prefix); | |
d288a700 LT |
500 | continue; |
501 | } | |
5f94c730 JH |
502 | if (!strcmp(arg, "--show-cdup")) { |
503 | const char *pfx = prefix; | |
e90fdc39 JS |
504 | if (!is_inside_work_tree()) { |
505 | const char *work_tree = | |
506 | get_git_work_tree(); | |
507 | if (work_tree) | |
508 | printf("%s\n", work_tree); | |
509 | continue; | |
510 | } | |
5f94c730 JH |
511 | while (pfx) { |
512 | pfx = strchr(pfx, '/'); | |
513 | if (pfx) { | |
514 | pfx++; | |
515 | printf("../"); | |
516 | } | |
517 | } | |
518 | putchar('\n'); | |
519 | continue; | |
520 | } | |
a8783eeb LT |
521 | if (!strcmp(arg, "--git-dir")) { |
522 | const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); | |
523 | static char cwd[PATH_MAX]; | |
524 | if (gitdir) { | |
525 | puts(gitdir); | |
526 | continue; | |
527 | } | |
528 | if (!prefix) { | |
529 | puts(".git"); | |
530 | continue; | |
531 | } | |
532 | if (!getcwd(cwd, PATH_MAX)) | |
533 | die("unable to get current working directory"); | |
534 | printf("%s/.git\n", cwd); | |
535 | continue; | |
536 | } | |
6d9ba67b JS |
537 | if (!strcmp(arg, "--is-inside-git-dir")) { |
538 | printf("%s\n", is_inside_git_dir() ? "true" | |
539 | : "false"); | |
540 | continue; | |
541 | } | |
892c41b9 ML |
542 | if (!strcmp(arg, "--is-inside-work-tree")) { |
543 | printf("%s\n", is_inside_work_tree() ? "true" | |
544 | : "false"); | |
545 | continue; | |
546 | } | |
493c774e ML |
547 | if (!strcmp(arg, "--is-bare-repository")) { |
548 | printf("%s\n", is_bare_repository() ? "true" | |
549 | : "false"); | |
550 | continue; | |
551 | } | |
cc44c765 | 552 | if (!prefixcmp(arg, "--since=")) { |
c1babb1d LT |
553 | show_datestring("--max-age=", arg+8); |
554 | continue; | |
555 | } | |
cc44c765 | 556 | if (!prefixcmp(arg, "--after=")) { |
c1babb1d LT |
557 | show_datestring("--max-age=", arg+8); |
558 | continue; | |
559 | } | |
cc44c765 | 560 | if (!prefixcmp(arg, "--before=")) { |
c1babb1d LT |
561 | show_datestring("--min-age=", arg+9); |
562 | continue; | |
563 | } | |
cc44c765 | 564 | if (!prefixcmp(arg, "--until=")) { |
c1babb1d LT |
565 | show_datestring("--min-age=", arg+8); |
566 | continue; | |
567 | } | |
9523a4c2 | 568 | if (show_flag(arg) && verify) |
b1b35969 | 569 | die_no_single_rev(quiet); |
178cb243 LT |
570 | continue; |
571 | } | |
4866ccf0 JH |
572 | |
573 | /* Not a flag argument */ | |
3dd4e732 SB |
574 | if (try_difference(arg)) |
575 | continue; | |
dfd1b749 CC |
576 | name = arg; |
577 | type = NORMAL; | |
578 | if (*arg == '^') { | |
579 | name++; | |
580 | type = REVERSED; | |
800644c5 | 581 | } |
dfd1b749 CC |
582 | if (!get_sha1(name, sha1)) { |
583 | if (verify) | |
584 | revs_count++; | |
585 | else | |
586 | show_rev(type, sha1, name); | |
800644c5 LT |
587 | continue; |
588 | } | |
75ecfce3 CC |
589 | if (verify) |
590 | die_no_single_rev(quiet); | |
9ad0a933 LT |
591 | as_is = 1; |
592 | if (!show_file(arg)) | |
593 | continue; | |
e23d0b4a | 594 | verify_filename(prefix, arg); |
023d66ed | 595 | } |
dfd1b749 CC |
596 | if (verify) { |
597 | if (revs_count == 1) { | |
598 | show_rev(type, sha1, name); | |
599 | return 0; | |
600 | } else if (revs_count == 0 && show_default()) | |
601 | return 0; | |
b1b35969 | 602 | die_no_single_rev(quiet); |
dfd1b749 CC |
603 | } else |
604 | show_default(); | |
178cb243 LT |
605 | return 0; |
606 | } |