| 1 | /* |
| 2 | * rev-parse.c |
| 3 | * |
| 4 | * Copyright (C) Linus Torvalds, 2005 |
| 5 | */ |
| 6 | |
| 7 | #define USE_THE_REPOSITORY_VARIABLE |
| 8 | #define DISABLE_SIGN_COMPARE_WARNINGS |
| 9 | |
| 10 | #include "builtin.h" |
| 11 | |
| 12 | #include "abspath.h" |
| 13 | #include "bisect.h" |
| 14 | #include "config.h" |
| 15 | #include "commit.h" |
| 16 | #include "environment.h" |
| 17 | #include "gettext.h" |
| 18 | #include "hash.h" |
| 19 | #include "hex.h" |
| 20 | #include "refs.h" |
| 21 | #include "quote.h" |
| 22 | #include "object-name.h" |
| 23 | #include "parse-options.h" |
| 24 | #include "path.h" |
| 25 | #include "diff.h" |
| 26 | #include "read-cache-ll.h" |
| 27 | #include "repo-settings.h" |
| 28 | #include "repository.h" |
| 29 | #include "revision.h" |
| 30 | #include "setup.h" |
| 31 | #include "split-index.h" |
| 32 | #include "submodule.h" |
| 33 | #include "commit-reach.h" |
| 34 | #include "shallow.h" |
| 35 | #include "object-file-convert.h" |
| 36 | |
| 37 | #define DO_REVS 1 |
| 38 | #define DO_NOREV 2 |
| 39 | #define DO_FLAGS 4 |
| 40 | #define DO_NONFLAGS 8 |
| 41 | static int filter = ~0; |
| 42 | |
| 43 | static const char *def; |
| 44 | |
| 45 | #define NORMAL 0 |
| 46 | #define REVERSED 1 |
| 47 | static int show_type = NORMAL; |
| 48 | |
| 49 | #define SHOW_SYMBOLIC_ASIS 1 |
| 50 | #define SHOW_SYMBOLIC_FULL 2 |
| 51 | static int symbolic; |
| 52 | static int abbrev; |
| 53 | static int abbrev_ref; |
| 54 | static int abbrev_ref_strict; |
| 55 | static int output_sq; |
| 56 | |
| 57 | static int stuck_long; |
| 58 | static struct ref_exclusions ref_excludes = REF_EXCLUSIONS_INIT; |
| 59 | |
| 60 | /* |
| 61 | * Some arguments are relevant "revision" arguments, |
| 62 | * others are about output format or other details. |
| 63 | * This sorts it all out. |
| 64 | */ |
| 65 | static int is_rev_argument(const char *arg) |
| 66 | { |
| 67 | static const char *rev_args[] = { |
| 68 | "--all", |
| 69 | "--bisect", |
| 70 | "--dense", |
| 71 | "--branches=", |
| 72 | "--branches", |
| 73 | "--header", |
| 74 | "--ignore-missing", |
| 75 | "--max-age=", |
| 76 | "--max-count=", |
| 77 | "--min-age=", |
| 78 | "--no-merges", |
| 79 | "--min-parents=", |
| 80 | "--no-min-parents", |
| 81 | "--max-parents=", |
| 82 | "--no-max-parents", |
| 83 | "--objects", |
| 84 | "--objects-edge", |
| 85 | "--parents", |
| 86 | "--pretty", |
| 87 | "--remotes=", |
| 88 | "--remotes", |
| 89 | "--glob=", |
| 90 | "--sparse", |
| 91 | "--tags=", |
| 92 | "--tags", |
| 93 | "--topo-order", |
| 94 | "--date-order", |
| 95 | "--unpacked", |
| 96 | NULL |
| 97 | }; |
| 98 | const char **p = rev_args; |
| 99 | |
| 100 | /* accept -<digit>, like traditional "head" */ |
| 101 | if ((*arg == '-') && isdigit(arg[1])) |
| 102 | return 1; |
| 103 | |
| 104 | for (;;) { |
| 105 | const char *str = *p++; |
| 106 | int len; |
| 107 | if (!str) |
| 108 | return 0; |
| 109 | len = strlen(str); |
| 110 | if (!strcmp(arg, str) || |
| 111 | (str[len-1] == '=' && !strncmp(arg, str, len))) |
| 112 | return 1; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | /* Output argument as a string, either SQ or normal */ |
| 117 | static void show(const char *arg) |
| 118 | { |
| 119 | if (output_sq) { |
| 120 | int sq = '\'', ch; |
| 121 | |
| 122 | putchar(sq); |
| 123 | while ((ch = *arg++)) { |
| 124 | if (ch == sq) |
| 125 | fputs("'\\'", stdout); |
| 126 | putchar(ch); |
| 127 | } |
| 128 | putchar(sq); |
| 129 | putchar(' '); |
| 130 | } |
| 131 | else |
| 132 | puts(arg); |
| 133 | } |
| 134 | |
| 135 | /* Like show(), but with a negation prefix according to type */ |
| 136 | static void show_with_type(int type, const char *arg) |
| 137 | { |
| 138 | if (type != show_type) |
| 139 | putchar('^'); |
| 140 | show(arg); |
| 141 | } |
| 142 | |
| 143 | /* Output a revision, only if filter allows it */ |
| 144 | static void show_rev(int type, const struct object_id *oid, const char *name) |
| 145 | { |
| 146 | if (!(filter & DO_REVS)) |
| 147 | return; |
| 148 | def = NULL; |
| 149 | |
| 150 | if ((symbolic || abbrev_ref) && name) { |
| 151 | if (symbolic == SHOW_SYMBOLIC_FULL || abbrev_ref) { |
| 152 | struct object_id discard; |
| 153 | char *full; |
| 154 | |
| 155 | switch (repo_dwim_ref(the_repository, name, |
| 156 | strlen(name), &discard, &full, |
| 157 | 0)) { |
| 158 | case 0: |
| 159 | /* |
| 160 | * Not found -- not a ref. We could |
| 161 | * emit "name" here, but symbolic-full |
| 162 | * users are interested in finding the |
| 163 | * refs spelled in full, and they would |
| 164 | * need to filter non-refs if we did so. |
| 165 | */ |
| 166 | break; |
| 167 | case 1: /* happy */ |
| 168 | if (abbrev_ref) { |
| 169 | char *old = full; |
| 170 | full = refs_shorten_unambiguous_ref(get_main_ref_store(the_repository), |
| 171 | full, |
| 172 | abbrev_ref_strict); |
| 173 | free(old); |
| 174 | } |
| 175 | show_with_type(type, full); |
| 176 | break; |
| 177 | default: /* ambiguous */ |
| 178 | error("refname '%s' is ambiguous", name); |
| 179 | break; |
| 180 | } |
| 181 | free(full); |
| 182 | } else { |
| 183 | show_with_type(type, name); |
| 184 | } |
| 185 | } |
| 186 | else if (abbrev) |
| 187 | show_with_type(type, |
| 188 | repo_find_unique_abbrev(the_repository, oid, abbrev)); |
| 189 | else |
| 190 | show_with_type(type, oid_to_hex(oid)); |
| 191 | } |
| 192 | |
| 193 | /* Output a flag, only if filter allows it. */ |
| 194 | static int show_flag(const char *arg) |
| 195 | { |
| 196 | if (!(filter & DO_FLAGS)) |
| 197 | return 0; |
| 198 | if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV)) { |
| 199 | show(arg); |
| 200 | return 1; |
| 201 | } |
| 202 | return 0; |
| 203 | } |
| 204 | |
| 205 | static int show_default(void) |
| 206 | { |
| 207 | const char *s = def; |
| 208 | |
| 209 | if (s) { |
| 210 | struct object_id oid; |
| 211 | |
| 212 | def = NULL; |
| 213 | if (!repo_get_oid(the_repository, s, &oid)) { |
| 214 | show_rev(NORMAL, &oid, s); |
| 215 | return 1; |
| 216 | } |
| 217 | } |
| 218 | return 0; |
| 219 | } |
| 220 | |
| 221 | static int show_reference(const struct reference *ref, void *cb_data UNUSED) |
| 222 | { |
| 223 | if (ref_excluded(&ref_excludes, ref->name)) |
| 224 | return 0; |
| 225 | show_rev(NORMAL, ref->oid, ref->name); |
| 226 | return 0; |
| 227 | } |
| 228 | |
| 229 | static int anti_reference(const struct reference *ref, void *cb_data UNUSED) |
| 230 | { |
| 231 | show_rev(REVERSED, ref->oid, ref->name); |
| 232 | return 0; |
| 233 | } |
| 234 | |
| 235 | static int show_abbrev(const struct object_id *oid, void *cb_data UNUSED) |
| 236 | { |
| 237 | show_rev(NORMAL, oid, NULL); |
| 238 | return 0; |
| 239 | } |
| 240 | |
| 241 | static void show_datestring(const char *flag, const char *datestr) |
| 242 | { |
| 243 | char *buffer; |
| 244 | |
| 245 | /* date handling requires both flags and revs */ |
| 246 | if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS)) |
| 247 | return; |
| 248 | buffer = xstrfmt("%s%"PRItime, flag, approxidate(datestr)); |
| 249 | show(buffer); |
| 250 | free(buffer); |
| 251 | } |
| 252 | |
| 253 | static int show_file(const char *arg, int output_prefix) |
| 254 | { |
| 255 | show_default(); |
| 256 | if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) { |
| 257 | if (output_prefix) { |
| 258 | const char *prefix = startup_info->prefix; |
| 259 | char *fname = prefix_filename(prefix, arg); |
| 260 | show(fname); |
| 261 | free(fname); |
| 262 | } else |
| 263 | show(arg); |
| 264 | return 1; |
| 265 | } |
| 266 | return 0; |
| 267 | } |
| 268 | |
| 269 | static int try_difference(const char *arg) |
| 270 | { |
| 271 | const char *dotdot; |
| 272 | struct object_id start_oid; |
| 273 | struct object_id end_oid; |
| 274 | const char *end; |
| 275 | const char *start; |
| 276 | char *to_free; |
| 277 | int symmetric; |
| 278 | static const char head_by_default[] = "HEAD"; |
| 279 | |
| 280 | if (!(dotdot = strstr(arg, ".."))) |
| 281 | return 0; |
| 282 | start = to_free = xmemdupz(arg, dotdot - arg); |
| 283 | end = dotdot + 2; |
| 284 | symmetric = (*end == '.'); |
| 285 | end += symmetric; |
| 286 | |
| 287 | if (!*end) |
| 288 | end = head_by_default; |
| 289 | if (dotdot == arg) |
| 290 | start = head_by_default; |
| 291 | |
| 292 | if (start == head_by_default && end == head_by_default && |
| 293 | !symmetric) { |
| 294 | /* |
| 295 | * Just ".."? That is not a range but the |
| 296 | * pathspec for the parent directory. |
| 297 | */ |
| 298 | free(to_free); |
| 299 | return 0; |
| 300 | } |
| 301 | |
| 302 | if (!repo_get_oid_committish(the_repository, start, &start_oid) && !repo_get_oid_committish(the_repository, end, &end_oid)) { |
| 303 | show_rev(NORMAL, &end_oid, end); |
| 304 | show_rev(symmetric ? NORMAL : REVERSED, &start_oid, start); |
| 305 | if (symmetric) { |
| 306 | struct commit_list *exclude = NULL; |
| 307 | struct commit *a, *b; |
| 308 | a = lookup_commit_reference(the_repository, &start_oid); |
| 309 | b = lookup_commit_reference(the_repository, &end_oid); |
| 310 | if (!a || !b) { |
| 311 | free(to_free); |
| 312 | return 0; |
| 313 | } |
| 314 | if (repo_get_merge_bases(the_repository, a, b, &exclude) < 0) |
| 315 | exit(128); |
| 316 | while (exclude) { |
| 317 | struct commit *commit = pop_commit(&exclude); |
| 318 | show_rev(REVERSED, &commit->object.oid, NULL); |
| 319 | } |
| 320 | } |
| 321 | free(to_free); |
| 322 | return 1; |
| 323 | } |
| 324 | free(to_free); |
| 325 | return 0; |
| 326 | } |
| 327 | |
| 328 | static int try_parent_shorthands(const char *arg) |
| 329 | { |
| 330 | const char *mark; |
| 331 | struct object_id oid; |
| 332 | struct commit *commit; |
| 333 | struct commit_list *parents; |
| 334 | int parent_number; |
| 335 | int include_rev = 0; |
| 336 | int include_parents = 0; |
| 337 | int exclude_parent = 0; |
| 338 | char *to_free; |
| 339 | |
| 340 | if ((mark = strstr(arg, "^!"))) { |
| 341 | include_rev = 1; |
| 342 | if (mark[2]) |
| 343 | return 0; |
| 344 | } else if ((mark = strstr(arg, "^@"))) { |
| 345 | include_parents = 1; |
| 346 | if (mark[2]) |
| 347 | return 0; |
| 348 | } else if ((mark = strstr(arg, "^-"))) { |
| 349 | include_rev = 1; |
| 350 | exclude_parent = 1; |
| 351 | |
| 352 | if (mark[2]) { |
| 353 | char *end; |
| 354 | exclude_parent = strtoul(mark + 2, &end, 10); |
| 355 | if (*end != '\0' || !exclude_parent) |
| 356 | return 0; |
| 357 | } |
| 358 | } else |
| 359 | return 0; |
| 360 | |
| 361 | arg = to_free = xmemdupz(arg, mark - arg); |
| 362 | if (repo_get_oid_committish(the_repository, arg, &oid) || |
| 363 | !(commit = lookup_commit_reference(the_repository, &oid))) { |
| 364 | free(to_free); |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | if (exclude_parent && |
| 369 | exclude_parent > commit_list_count(commit->parents)) { |
| 370 | free(to_free); |
| 371 | return 0; |
| 372 | } |
| 373 | |
| 374 | if (include_rev) |
| 375 | show_rev(NORMAL, &oid, arg); |
| 376 | for (parents = commit->parents, parent_number = 1; |
| 377 | parents; |
| 378 | parents = parents->next, parent_number++) { |
| 379 | char *name = NULL; |
| 380 | |
| 381 | if (exclude_parent && parent_number != exclude_parent) |
| 382 | continue; |
| 383 | |
| 384 | if (symbolic) |
| 385 | name = xstrfmt("%s^%d", arg, parent_number); |
| 386 | show_rev(include_parents ? NORMAL : REVERSED, |
| 387 | &parents->item->object.oid, name); |
| 388 | free(name); |
| 389 | } |
| 390 | |
| 391 | free(to_free); |
| 392 | return 1; |
| 393 | } |
| 394 | |
| 395 | static int parseopt_dump(const struct option *o, const char *arg, int unset) |
| 396 | { |
| 397 | struct strbuf *parsed = o->value; |
| 398 | if (unset) |
| 399 | strbuf_addf(parsed, " --no-%s", o->long_name); |
| 400 | else if (o->short_name && (o->long_name == NULL || !stuck_long)) |
| 401 | strbuf_addf(parsed, " -%c", o->short_name); |
| 402 | else |
| 403 | strbuf_addf(parsed, " --%s", o->long_name); |
| 404 | if (arg) { |
| 405 | if (!stuck_long) |
| 406 | strbuf_addch(parsed, ' '); |
| 407 | else if (o->long_name) |
| 408 | strbuf_addch(parsed, '='); |
| 409 | sq_quote_buf(parsed, arg); |
| 410 | } |
| 411 | return 0; |
| 412 | } |
| 413 | |
| 414 | static const char *skipspaces(const char *s) |
| 415 | { |
| 416 | while (isspace(*s)) |
| 417 | s++; |
| 418 | return s; |
| 419 | } |
| 420 | |
| 421 | static char *findspace(const char *s) |
| 422 | { |
| 423 | for (; *s; s++) |
| 424 | if (isspace(*s)) |
| 425 | return (char*)s; |
| 426 | return NULL; |
| 427 | } |
| 428 | |
| 429 | static int cmd_parseopt(int argc, const char **argv, const char *prefix) |
| 430 | { |
| 431 | int keep_dashdash = 0, stop_at_non_option = 0; |
| 432 | char const * const parseopt_usage[] = { |
| 433 | N_("git rev-parse --parseopt [<options>] -- [<args>...]"), |
| 434 | NULL |
| 435 | }; |
| 436 | struct option parseopt_opts[] = { |
| 437 | OPT_BOOL(0, "keep-dashdash", &keep_dashdash, |
| 438 | N_("keep the `--` passed as an arg")), |
| 439 | OPT_BOOL(0, "stop-at-non-option", &stop_at_non_option, |
| 440 | N_("stop parsing after the " |
| 441 | "first non-option argument")), |
| 442 | OPT_BOOL(0, "stuck-long", &stuck_long, |
| 443 | N_("output in stuck long form")), |
| 444 | OPT_END(), |
| 445 | }; |
| 446 | struct strbuf sb = STRBUF_INIT, parsed = STRBUF_INIT; |
| 447 | struct strvec longnames = STRVEC_INIT; |
| 448 | struct strvec usage = STRVEC_INIT; |
| 449 | struct option *opts = NULL; |
| 450 | size_t opts_nr = 0, opts_alloc = 0; |
| 451 | |
| 452 | strbuf_addstr(&parsed, "set --"); |
| 453 | argc = parse_options(argc, argv, prefix, parseopt_opts, parseopt_usage, |
| 454 | PARSE_OPT_KEEP_DASHDASH); |
| 455 | if (argc < 1 || strcmp(argv[0], "--")) |
| 456 | usage_with_options(parseopt_usage, parseopt_opts); |
| 457 | |
| 458 | /* get the usage up to the first line with a -- on it */ |
| 459 | for (;;) { |
| 460 | strbuf_reset(&sb); |
| 461 | if (strbuf_getline(&sb, stdin) == EOF) |
| 462 | die(_("premature end of input")); |
| 463 | if (!strcmp("--", sb.buf)) { |
| 464 | if (!usage.nr) |
| 465 | die(_("no usage string given before the `--' separator")); |
| 466 | break; |
| 467 | } |
| 468 | |
| 469 | strvec_push(&usage, sb.buf); |
| 470 | } |
| 471 | |
| 472 | /* parse: (<short>|<short>,<long>|<long>)[*=?!]*<arghint>? SP+ <help> */ |
| 473 | while (strbuf_getline(&sb, stdin) != EOF) { |
| 474 | const char *s; |
| 475 | char *help; |
| 476 | struct option *o; |
| 477 | |
| 478 | if (!sb.len) |
| 479 | continue; |
| 480 | |
| 481 | ALLOC_GROW(opts, opts_nr + 1, opts_alloc); |
| 482 | memset(opts + opts_nr, 0, sizeof(*opts)); |
| 483 | |
| 484 | o = &opts[opts_nr++]; |
| 485 | help = findspace(sb.buf); |
| 486 | if (!help || sb.buf == help) { |
| 487 | o->type = OPTION_GROUP; |
| 488 | o->help = xstrdup(skipspaces(sb.buf)); |
| 489 | continue; |
| 490 | } |
| 491 | |
| 492 | *help = '\0'; |
| 493 | |
| 494 | o->type = OPTION_CALLBACK; |
| 495 | o->help = xstrdup(skipspaces(help+1)); |
| 496 | o->value = &parsed; |
| 497 | o->flags = PARSE_OPT_NOARG; |
| 498 | o->callback = &parseopt_dump; |
| 499 | |
| 500 | /* name(s) */ |
| 501 | s = strpbrk(sb.buf, "*=?!"); |
| 502 | if (!s) |
| 503 | s = help; |
| 504 | |
| 505 | if (s == sb.buf) |
| 506 | die(_("missing opt-spec before option flags")); |
| 507 | |
| 508 | if (s - sb.buf == 1) { /* short option only */ |
| 509 | o->short_name = *sb.buf; |
| 510 | } else if (sb.buf[1] != ',') { /* long option only */ |
| 511 | o->long_name = strvec_pushf(&longnames, "%.*s", |
| 512 | (int)(s - sb.buf), sb.buf); |
| 513 | } else { |
| 514 | o->short_name = *sb.buf; |
| 515 | o->long_name = strvec_pushf(&longnames, "%.*s", |
| 516 | (int)(s - sb.buf - 2), sb.buf + 2); |
| 517 | } |
| 518 | |
| 519 | /* flags */ |
| 520 | while (s < help) { |
| 521 | switch (*s++) { |
| 522 | case '=': |
| 523 | o->flags &= ~PARSE_OPT_NOARG; |
| 524 | continue; |
| 525 | case '?': |
| 526 | o->flags &= ~PARSE_OPT_NOARG; |
| 527 | o->flags |= PARSE_OPT_OPTARG; |
| 528 | continue; |
| 529 | case '!': |
| 530 | o->flags |= PARSE_OPT_NONEG; |
| 531 | continue; |
| 532 | case '*': |
| 533 | o->flags |= PARSE_OPT_HIDDEN; |
| 534 | continue; |
| 535 | } |
| 536 | s--; |
| 537 | break; |
| 538 | } |
| 539 | |
| 540 | if (s < help) |
| 541 | o->argh = xmemdupz(s, help - s); |
| 542 | } |
| 543 | strbuf_release(&sb); |
| 544 | |
| 545 | /* put an OPT_END() */ |
| 546 | ALLOC_GROW(opts, opts_nr + 1, opts_alloc); |
| 547 | memset(opts + opts_nr, 0, sizeof(*opts)); |
| 548 | argc = parse_options(argc, argv, prefix, opts, usage.v, |
| 549 | (keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0) | |
| 550 | (stop_at_non_option ? PARSE_OPT_STOP_AT_NON_OPTION : 0) | |
| 551 | PARSE_OPT_SHELL_EVAL); |
| 552 | |
| 553 | strbuf_addstr(&parsed, " --"); |
| 554 | sq_quote_argv(&parsed, argv); |
| 555 | puts(parsed.buf); |
| 556 | |
| 557 | strbuf_release(&parsed); |
| 558 | strbuf_release(&sb); |
| 559 | strvec_clear(&longnames); |
| 560 | strvec_clear(&usage); |
| 561 | for (size_t i = 0; i < opts_nr; i++) { |
| 562 | free((char *) opts[i].help); |
| 563 | free((char *) opts[i].argh); |
| 564 | } |
| 565 | free(opts); |
| 566 | return 0; |
| 567 | } |
| 568 | |
| 569 | static int cmd_sq_quote(int argc, const char **argv) |
| 570 | { |
| 571 | struct strbuf buf = STRBUF_INIT; |
| 572 | |
| 573 | if (argc) |
| 574 | sq_quote_argv(&buf, argv); |
| 575 | printf("%s\n", buf.buf); |
| 576 | strbuf_release(&buf); |
| 577 | |
| 578 | return 0; |
| 579 | } |
| 580 | |
| 581 | static void die_no_single_rev(int quiet) |
| 582 | { |
| 583 | if (quiet) |
| 584 | exit(1); |
| 585 | else |
| 586 | die(_("Needed a single revision")); |
| 587 | } |
| 588 | |
| 589 | static const char builtin_rev_parse_usage[] = |
| 590 | N_("git rev-parse --parseopt [<options>] -- [<args>...]\n" |
| 591 | " or: git rev-parse --sq-quote [<arg>...]\n" |
| 592 | " or: git rev-parse [<options>] [<arg>...]\n" |
| 593 | "\n" |
| 594 | "Run \"git rev-parse --parseopt -h\" for more information on the first usage."); |
| 595 | |
| 596 | /* |
| 597 | * Parse "opt" or "opt=<value>", setting value respectively to either |
| 598 | * NULL or the string after "=". |
| 599 | */ |
| 600 | static int opt_with_value(const char *arg, const char *opt, const char **value) |
| 601 | { |
| 602 | if (skip_prefix(arg, opt, &arg)) { |
| 603 | if (!*arg) { |
| 604 | *value = NULL; |
| 605 | return 1; |
| 606 | } |
| 607 | if (*arg++ == '=') { |
| 608 | *value = arg; |
| 609 | return 1; |
| 610 | } |
| 611 | } |
| 612 | return 0; |
| 613 | } |
| 614 | |
| 615 | static void handle_ref_opt(const char *pattern, const char *prefix) |
| 616 | { |
| 617 | if (pattern) { |
| 618 | struct refs_for_each_ref_options opts = { |
| 619 | .pattern = pattern, |
| 620 | .prefix = prefix, |
| 621 | .trim_prefix = prefix ? strlen(prefix) : 0, |
| 622 | }; |
| 623 | refs_for_each_ref_ext(get_main_ref_store(the_repository), |
| 624 | show_reference, NULL, &opts); |
| 625 | } else { |
| 626 | struct refs_for_each_ref_options opts = { |
| 627 | .prefix = prefix, |
| 628 | .trim_prefix = strlen(prefix), |
| 629 | }; |
| 630 | refs_for_each_ref_ext(get_main_ref_store(the_repository), |
| 631 | show_reference, NULL, &opts); |
| 632 | } |
| 633 | clear_ref_exclusions(&ref_excludes); |
| 634 | } |
| 635 | |
| 636 | enum format_type { |
| 637 | /* We would like a relative path. */ |
| 638 | FORMAT_RELATIVE, |
| 639 | /* We would like a canonical absolute path. */ |
| 640 | FORMAT_CANONICAL, |
| 641 | /* We would like the default behavior. */ |
| 642 | FORMAT_DEFAULT, |
| 643 | }; |
| 644 | |
| 645 | enum default_type { |
| 646 | /* Our default is a relative path. */ |
| 647 | DEFAULT_RELATIVE, |
| 648 | /* Our default is a relative path if there's a shared root. */ |
| 649 | DEFAULT_RELATIVE_IF_SHARED, |
| 650 | /* Our default is a canonical absolute path. */ |
| 651 | DEFAULT_CANONICAL, |
| 652 | /* Our default is not to modify the item. */ |
| 653 | DEFAULT_UNMODIFIED, |
| 654 | }; |
| 655 | |
| 656 | static void print_path(const char *path, const char *prefix, enum format_type format, enum default_type def) |
| 657 | { |
| 658 | char *cwd = NULL; |
| 659 | /* |
| 660 | * We don't ever produce a relative path if prefix is NULL, so set the |
| 661 | * prefix to the current directory so that we can produce a relative |
| 662 | * path whenever possible. If we're using RELATIVE_IF_SHARED mode, then |
| 663 | * we want an absolute path unless the two share a common prefix, so don't |
| 664 | * set it in that case, since doing so causes a relative path to always |
| 665 | * be produced if possible. |
| 666 | */ |
| 667 | if (!prefix && (format != FORMAT_DEFAULT || def != DEFAULT_RELATIVE_IF_SHARED)) |
| 668 | prefix = cwd = xgetcwd(); |
| 669 | if (format == FORMAT_DEFAULT && def == DEFAULT_UNMODIFIED) { |
| 670 | puts(path); |
| 671 | } else if (format == FORMAT_RELATIVE || |
| 672 | (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE)) { |
| 673 | /* |
| 674 | * In order for relative_path to work as expected, we need to |
| 675 | * make sure that both paths are absolute paths. If we don't, |
| 676 | * we can end up with an unexpected absolute path that the user |
| 677 | * didn't want. |
| 678 | */ |
| 679 | struct strbuf buf = STRBUF_INIT, realbuf = STRBUF_INIT, prefixbuf = STRBUF_INIT; |
| 680 | if (!is_absolute_path(path)) { |
| 681 | strbuf_realpath_forgiving(&realbuf, path, 1); |
| 682 | path = realbuf.buf; |
| 683 | } |
| 684 | if (!is_absolute_path(prefix)) { |
| 685 | strbuf_realpath_forgiving(&prefixbuf, prefix, 1); |
| 686 | prefix = prefixbuf.buf; |
| 687 | } |
| 688 | puts(relative_path(path, prefix, &buf)); |
| 689 | strbuf_release(&buf); |
| 690 | strbuf_release(&realbuf); |
| 691 | strbuf_release(&prefixbuf); |
| 692 | } else if (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE_IF_SHARED) { |
| 693 | struct strbuf buf = STRBUF_INIT; |
| 694 | puts(relative_path(path, prefix, &buf)); |
| 695 | strbuf_release(&buf); |
| 696 | } else { |
| 697 | struct strbuf buf = STRBUF_INIT; |
| 698 | strbuf_realpath_forgiving(&buf, path, 1); |
| 699 | puts(buf.buf); |
| 700 | strbuf_release(&buf); |
| 701 | } |
| 702 | free(cwd); |
| 703 | } |
| 704 | |
| 705 | int cmd_rev_parse(int argc, |
| 706 | const char **argv, |
| 707 | const char *prefix, |
| 708 | struct repository *repo UNUSED) |
| 709 | { |
| 710 | int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; |
| 711 | const struct git_hash_algo *output_algo = NULL; |
| 712 | const struct git_hash_algo *compat = NULL; |
| 713 | int did_repo_setup = 0; |
| 714 | int has_dashdash = 0; |
| 715 | int output_prefix = 0; |
| 716 | struct object_id oid; |
| 717 | unsigned int flags = 0; |
| 718 | const char *name = NULL; |
| 719 | struct strbuf buf = STRBUF_INIT; |
| 720 | int seen_end_of_options = 0; |
| 721 | enum format_type format = FORMAT_DEFAULT; |
| 722 | |
| 723 | show_usage_if_asked(argc, argv, builtin_rev_parse_usage); |
| 724 | |
| 725 | if (argc > 1 && !strcmp("--parseopt", argv[1])) |
| 726 | return cmd_parseopt(argc - 1, argv + 1, prefix); |
| 727 | |
| 728 | if (argc > 1 && !strcmp("--sq-quote", argv[1])) |
| 729 | return cmd_sq_quote(argc - 2, argv + 2); |
| 730 | |
| 731 | if (argc > 1 && !strcmp("-h", argv[1])) |
| 732 | usage(builtin_rev_parse_usage); |
| 733 | |
| 734 | for (i = 1; i < argc; i++) { |
| 735 | if (!strcmp(argv[i], "--")) { |
| 736 | has_dashdash = 1; |
| 737 | break; |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | /* No options; just report on whether we're in a git repo or not. */ |
| 742 | if (argc == 1) { |
| 743 | setup_git_directory(the_repository); |
| 744 | repo_config(the_repository, git_default_config, NULL); |
| 745 | return 0; |
| 746 | } |
| 747 | |
| 748 | for (i = 1; i < argc; i++) { |
| 749 | const char *arg = argv[i]; |
| 750 | |
| 751 | if (as_is) { |
| 752 | if (show_file(arg, output_prefix) && as_is < 2) |
| 753 | verify_filename(the_repository, prefix, arg, 0); |
| 754 | continue; |
| 755 | } |
| 756 | |
| 757 | if (!seen_end_of_options) { |
| 758 | if (!strcmp(arg, "--local-env-vars")) { |
| 759 | int i; |
| 760 | for (i = 0; local_repo_env[i]; i++) |
| 761 | printf("%s\n", local_repo_env[i]); |
| 762 | continue; |
| 763 | } |
| 764 | if (!strcmp(arg, "--resolve-git-dir")) { |
| 765 | const char *gitdir = argv[++i]; |
| 766 | if (!gitdir) |
| 767 | die(_("--resolve-git-dir requires an argument")); |
| 768 | gitdir = resolve_gitdir(gitdir); |
| 769 | if (!gitdir) |
| 770 | die(_("not a gitdir '%s'"), argv[i]); |
| 771 | puts(gitdir); |
| 772 | continue; |
| 773 | } |
| 774 | } |
| 775 | |
| 776 | /* The rest of the options require a git repository. */ |
| 777 | if (!did_repo_setup) { |
| 778 | prefix = setup_git_directory(the_repository); |
| 779 | repo_config(the_repository, git_default_config, NULL); |
| 780 | did_repo_setup = 1; |
| 781 | |
| 782 | prepare_repo_settings(the_repository); |
| 783 | the_repository->settings.command_requires_full_index = 0; |
| 784 | compat = the_repository->compat_hash_algo; |
| 785 | } |
| 786 | |
| 787 | if (!strcmp(arg, "--")) { |
| 788 | as_is = 2; |
| 789 | /* Pass on the "--" if we show anything but files.. */ |
| 790 | if (filter & (DO_FLAGS | DO_REVS)) |
| 791 | show_file(arg, 0); |
| 792 | continue; |
| 793 | } |
| 794 | |
| 795 | if (!seen_end_of_options && *arg == '-') { |
| 796 | if (!strcmp(arg, "--git-path")) { |
| 797 | if (!argv[i + 1]) |
| 798 | die(_("--git-path requires an argument")); |
| 799 | print_path(repo_git_path_replace(the_repository, &buf, |
| 800 | "%s", argv[i + 1]), prefix, |
| 801 | format, |
| 802 | DEFAULT_RELATIVE_IF_SHARED); |
| 803 | i++; |
| 804 | continue; |
| 805 | } |
| 806 | if (!strcmp(arg,"-n")) { |
| 807 | if (++i >= argc) |
| 808 | die(_("-n requires an argument")); |
| 809 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) { |
| 810 | show(arg); |
| 811 | show(argv[i]); |
| 812 | } |
| 813 | continue; |
| 814 | } |
| 815 | if (starts_with(arg, "-n")) { |
| 816 | if ((filter & DO_FLAGS) && (filter & DO_REVS)) |
| 817 | show(arg); |
| 818 | continue; |
| 819 | } |
| 820 | if (opt_with_value(arg, "--path-format", &arg)) { |
| 821 | if (!arg) |
| 822 | die(_("--path-format requires an argument")); |
| 823 | if (!strcmp(arg, "absolute")) { |
| 824 | format = FORMAT_CANONICAL; |
| 825 | } else if (!strcmp(arg, "relative")) { |
| 826 | format = FORMAT_RELATIVE; |
| 827 | } else { |
| 828 | die(_("unknown argument to --path-format: %s"), arg); |
| 829 | } |
| 830 | continue; |
| 831 | } |
| 832 | if (!strcmp(arg, "--default")) { |
| 833 | def = argv[++i]; |
| 834 | if (!def) |
| 835 | die(_("--default requires an argument")); |
| 836 | continue; |
| 837 | } |
| 838 | if (!strcmp(arg, "--prefix")) { |
| 839 | prefix = argv[++i]; |
| 840 | if (!prefix) |
| 841 | die(_("--prefix requires an argument")); |
| 842 | startup_info->prefix = prefix; |
| 843 | output_prefix = 1; |
| 844 | continue; |
| 845 | } |
| 846 | if (!strcmp(arg, "--revs-only")) { |
| 847 | filter &= ~DO_NOREV; |
| 848 | continue; |
| 849 | } |
| 850 | if (!strcmp(arg, "--no-revs")) { |
| 851 | filter &= ~DO_REVS; |
| 852 | continue; |
| 853 | } |
| 854 | if (!strcmp(arg, "--flags")) { |
| 855 | filter &= ~DO_NONFLAGS; |
| 856 | continue; |
| 857 | } |
| 858 | if (!strcmp(arg, "--no-flags")) { |
| 859 | filter &= ~DO_FLAGS; |
| 860 | continue; |
| 861 | } |
| 862 | if (!strcmp(arg, "--verify")) { |
| 863 | filter &= ~(DO_FLAGS|DO_NOREV); |
| 864 | verify = 1; |
| 865 | continue; |
| 866 | } |
| 867 | if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) { |
| 868 | quiet = 1; |
| 869 | flags |= GET_OID_QUIETLY; |
| 870 | continue; |
| 871 | } |
| 872 | if (opt_with_value(arg, "--output-object-format", &arg)) { |
| 873 | if (!arg) |
| 874 | die(_("no object format specified")); |
| 875 | if (!strcmp(arg, the_hash_algo->name) || |
| 876 | !strcmp(arg, "storage")) { |
| 877 | flags |= GET_OID_HASH_ANY; |
| 878 | output_algo = the_hash_algo; |
| 879 | continue; |
| 880 | } |
| 881 | else if (compat && !strcmp(arg, compat->name)) { |
| 882 | flags |= GET_OID_HASH_ANY; |
| 883 | output_algo = compat; |
| 884 | continue; |
| 885 | } |
| 886 | else die(_("unsupported object format: %s"), arg); |
| 887 | } |
| 888 | if (opt_with_value(arg, "--short", &arg)) { |
| 889 | filter &= ~(DO_FLAGS|DO_NOREV); |
| 890 | verify = 1; |
| 891 | abbrev = DEFAULT_ABBREV; |
| 892 | if (!arg) |
| 893 | continue; |
| 894 | abbrev = strtoul(arg, NULL, 10); |
| 895 | if (abbrev < MINIMUM_ABBREV) |
| 896 | abbrev = MINIMUM_ABBREV; |
| 897 | else if ((int)the_hash_algo->hexsz <= abbrev) |
| 898 | abbrev = the_hash_algo->hexsz; |
| 899 | continue; |
| 900 | } |
| 901 | if (!strcmp(arg, "--sq")) { |
| 902 | output_sq = 1; |
| 903 | continue; |
| 904 | } |
| 905 | if (!strcmp(arg, "--not")) { |
| 906 | show_type ^= REVERSED; |
| 907 | continue; |
| 908 | } |
| 909 | if (!strcmp(arg, "--symbolic")) { |
| 910 | symbolic = SHOW_SYMBOLIC_ASIS; |
| 911 | continue; |
| 912 | } |
| 913 | if (!strcmp(arg, "--symbolic-full-name")) { |
| 914 | symbolic = SHOW_SYMBOLIC_FULL; |
| 915 | continue; |
| 916 | } |
| 917 | if (opt_with_value(arg, "--abbrev-ref", &arg)) { |
| 918 | abbrev_ref = 1; |
| 919 | abbrev_ref_strict = |
| 920 | repo_settings_get_warn_ambiguous_refs(the_repository); |
| 921 | if (arg) { |
| 922 | if (!strcmp(arg, "strict")) |
| 923 | abbrev_ref_strict = 1; |
| 924 | else if (!strcmp(arg, "loose")) |
| 925 | abbrev_ref_strict = 0; |
| 926 | else |
| 927 | die(_("unknown mode for --abbrev-ref: %s"), |
| 928 | arg); |
| 929 | } |
| 930 | continue; |
| 931 | } |
| 932 | if (!strcmp(arg, "--all")) { |
| 933 | refs_for_each_ref(get_main_ref_store(the_repository), |
| 934 | show_reference, NULL); |
| 935 | clear_ref_exclusions(&ref_excludes); |
| 936 | continue; |
| 937 | } |
| 938 | if (skip_prefix(arg, "--disambiguate=", &arg)) { |
| 939 | repo_for_each_abbrev(the_repository, arg, the_hash_algo, |
| 940 | show_abbrev, NULL); |
| 941 | continue; |
| 942 | } |
| 943 | if (!strcmp(arg, "--bisect")) { |
| 944 | char *prefix; |
| 945 | char *term_bad = NULL; |
| 946 | char *term_good = NULL; |
| 947 | struct refs_for_each_ref_options opts = { 0 }; |
| 948 | read_bisect_terms(&term_bad, &term_good); |
| 949 | prefix = xstrfmt("refs/bisect/%s", term_bad); |
| 950 | opts.prefix = prefix; |
| 951 | refs_for_each_ref_ext(get_main_ref_store(the_repository), |
| 952 | show_reference, NULL, &opts); |
| 953 | free(prefix); |
| 954 | prefix = xstrfmt("refs/bisect/%s", term_good); |
| 955 | opts.prefix = prefix; |
| 956 | refs_for_each_ref_ext(get_main_ref_store(the_repository), |
| 957 | anti_reference, NULL, &opts); |
| 958 | free(prefix); |
| 959 | free(term_good); |
| 960 | free(term_bad); |
| 961 | continue; |
| 962 | } |
| 963 | if (opt_with_value(arg, "--branches", &arg)) { |
| 964 | if (ref_excludes.hidden_refs_configured) |
| 965 | return error(_("options '%s' and '%s' cannot be used together"), |
| 966 | "--exclude-hidden", "--branches"); |
| 967 | handle_ref_opt(arg, "refs/heads/"); |
| 968 | continue; |
| 969 | } |
| 970 | if (opt_with_value(arg, "--tags", &arg)) { |
| 971 | if (ref_excludes.hidden_refs_configured) |
| 972 | return error(_("options '%s' and '%s' cannot be used together"), |
| 973 | "--exclude-hidden", "--tags"); |
| 974 | handle_ref_opt(arg, "refs/tags/"); |
| 975 | continue; |
| 976 | } |
| 977 | if (skip_prefix(arg, "--glob=", &arg)) { |
| 978 | handle_ref_opt(arg, NULL); |
| 979 | continue; |
| 980 | } |
| 981 | if (opt_with_value(arg, "--remotes", &arg)) { |
| 982 | if (ref_excludes.hidden_refs_configured) |
| 983 | return error(_("options '%s' and '%s' cannot be used together"), |
| 984 | "--exclude-hidden", "--remotes"); |
| 985 | handle_ref_opt(arg, "refs/remotes/"); |
| 986 | continue; |
| 987 | } |
| 988 | if (skip_prefix(arg, "--exclude=", &arg)) { |
| 989 | add_ref_exclusion(&ref_excludes, arg); |
| 990 | continue; |
| 991 | } |
| 992 | if (skip_prefix(arg, "--exclude-hidden=", &arg)) { |
| 993 | exclude_hidden_refs(&ref_excludes, arg); |
| 994 | continue; |
| 995 | } |
| 996 | if (!strcmp(arg, "--show-toplevel")) { |
| 997 | const char *work_tree = repo_get_work_tree(the_repository); |
| 998 | if (work_tree) |
| 999 | print_path(work_tree, prefix, format, DEFAULT_UNMODIFIED); |
| 1000 | else |
| 1001 | die(_("this operation must be run in a work tree")); |
| 1002 | continue; |
| 1003 | } |
| 1004 | if (!strcmp(arg, "--show-superproject-working-tree")) { |
| 1005 | struct strbuf superproject = STRBUF_INIT; |
| 1006 | if (get_superproject_working_tree(&superproject)) |
| 1007 | print_path(superproject.buf, prefix, format, DEFAULT_UNMODIFIED); |
| 1008 | strbuf_release(&superproject); |
| 1009 | continue; |
| 1010 | } |
| 1011 | if (!strcmp(arg, "--show-prefix")) { |
| 1012 | if (prefix) |
| 1013 | puts(prefix); |
| 1014 | else |
| 1015 | putchar('\n'); |
| 1016 | continue; |
| 1017 | } |
| 1018 | if (!strcmp(arg, "--show-cdup")) { |
| 1019 | const char *pfx = prefix; |
| 1020 | if (!is_inside_work_tree(the_repository)) { |
| 1021 | const char *work_tree = |
| 1022 | repo_get_work_tree(the_repository); |
| 1023 | if (work_tree) |
| 1024 | printf("%s\n", work_tree); |
| 1025 | continue; |
| 1026 | } |
| 1027 | while (pfx) { |
| 1028 | pfx = strchr(pfx, '/'); |
| 1029 | if (pfx) { |
| 1030 | pfx++; |
| 1031 | printf("../"); |
| 1032 | } |
| 1033 | } |
| 1034 | putchar('\n'); |
| 1035 | continue; |
| 1036 | } |
| 1037 | if (!strcmp(arg, "--git-dir") || |
| 1038 | !strcmp(arg, "--absolute-git-dir")) { |
| 1039 | const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); |
| 1040 | char *cwd; |
| 1041 | int len; |
| 1042 | enum format_type wanted = format; |
| 1043 | if (arg[2] == 'g') { /* --git-dir */ |
| 1044 | if (gitdir) { |
| 1045 | print_path(gitdir, prefix, format, DEFAULT_UNMODIFIED); |
| 1046 | continue; |
| 1047 | } |
| 1048 | if (!prefix) { |
| 1049 | print_path(".git", prefix, format, DEFAULT_UNMODIFIED); |
| 1050 | continue; |
| 1051 | } |
| 1052 | } else { /* --absolute-git-dir */ |
| 1053 | wanted = FORMAT_CANONICAL; |
| 1054 | if (!gitdir && !prefix) |
| 1055 | gitdir = ".git"; |
| 1056 | if (gitdir) { |
| 1057 | struct strbuf realpath = STRBUF_INIT; |
| 1058 | strbuf_realpath(&realpath, gitdir, 1); |
| 1059 | puts(realpath.buf); |
| 1060 | strbuf_release(&realpath); |
| 1061 | continue; |
| 1062 | } |
| 1063 | } |
| 1064 | cwd = xgetcwd(); |
| 1065 | len = strlen(cwd); |
| 1066 | strbuf_reset(&buf); |
| 1067 | strbuf_addf(&buf, "%s%s.git", cwd, len && cwd[len-1] != '/' ? "/" : ""); |
| 1068 | free(cwd); |
| 1069 | print_path(buf.buf, prefix, wanted, DEFAULT_CANONICAL); |
| 1070 | continue; |
| 1071 | } |
| 1072 | if (!strcmp(arg, "--git-common-dir")) { |
| 1073 | print_path(repo_get_common_dir(the_repository), prefix, format, DEFAULT_RELATIVE_IF_SHARED); |
| 1074 | continue; |
| 1075 | } |
| 1076 | if (!strcmp(arg, "--is-inside-git-dir")) { |
| 1077 | printf("%s\n", is_inside_git_dir(the_repository) ? "true" |
| 1078 | : "false"); |
| 1079 | continue; |
| 1080 | } |
| 1081 | if (!strcmp(arg, "--is-inside-work-tree")) { |
| 1082 | printf("%s\n", is_inside_work_tree(the_repository) ? "true" |
| 1083 | : "false"); |
| 1084 | continue; |
| 1085 | } |
| 1086 | if (!strcmp(arg, "--is-bare-repository")) { |
| 1087 | printf("%s\n", is_bare_repository() ? "true" |
| 1088 | : "false"); |
| 1089 | continue; |
| 1090 | } |
| 1091 | if (!strcmp(arg, "--is-shallow-repository")) { |
| 1092 | printf("%s\n", |
| 1093 | is_repository_shallow(the_repository) ? "true" |
| 1094 | : "false"); |
| 1095 | continue; |
| 1096 | } |
| 1097 | if (!strcmp(arg, "--shared-index-path")) { |
| 1098 | if (repo_read_index(the_repository) < 0) |
| 1099 | die(_("Could not read the index")); |
| 1100 | if (the_repository->index->split_index) { |
| 1101 | const struct object_id *oid = &the_repository->index->split_index->base_oid; |
| 1102 | const char *path = repo_git_path_replace(the_repository, &buf, "sharedindex.%s", oid_to_hex(oid)); |
| 1103 | print_path(path, prefix, format, DEFAULT_RELATIVE); |
| 1104 | } |
| 1105 | continue; |
| 1106 | } |
| 1107 | if (skip_prefix(arg, "--since=", &arg)) { |
| 1108 | show_datestring("--max-age=", arg); |
| 1109 | continue; |
| 1110 | } |
| 1111 | if (skip_prefix(arg, "--after=", &arg)) { |
| 1112 | show_datestring("--max-age=", arg); |
| 1113 | continue; |
| 1114 | } |
| 1115 | if (skip_prefix(arg, "--before=", &arg)) { |
| 1116 | show_datestring("--min-age=", arg); |
| 1117 | continue; |
| 1118 | } |
| 1119 | if (skip_prefix(arg, "--until=", &arg)) { |
| 1120 | show_datestring("--min-age=", arg); |
| 1121 | continue; |
| 1122 | } |
| 1123 | if (opt_with_value(arg, "--show-object-format", &arg)) { |
| 1124 | const char *val = arg ? arg : "storage"; |
| 1125 | |
| 1126 | if (strcmp(val, "storage") && |
| 1127 | strcmp(val, "compat") && |
| 1128 | strcmp(val, "input") && |
| 1129 | strcmp(val, "output")) |
| 1130 | die(_("unknown mode for --show-object-format: %s"), |
| 1131 | arg); |
| 1132 | |
| 1133 | if (!strcmp(val, "compat")) { |
| 1134 | if (the_repository->compat_hash_algo) |
| 1135 | puts(the_repository->compat_hash_algo->name); |
| 1136 | else |
| 1137 | putchar('\n'); |
| 1138 | } else { |
| 1139 | puts(the_hash_algo->name); |
| 1140 | } |
| 1141 | continue; |
| 1142 | } |
| 1143 | if (!strcmp(arg, "--show-ref-format")) { |
| 1144 | puts(ref_storage_format_to_name(the_repository->ref_storage_format)); |
| 1145 | continue; |
| 1146 | } |
| 1147 | if (!strcmp(arg, "--end-of-options")) { |
| 1148 | seen_end_of_options = 1; |
| 1149 | if (filter & (DO_FLAGS | DO_REVS)) |
| 1150 | show_file(arg, 0); |
| 1151 | continue; |
| 1152 | } |
| 1153 | if (show_flag(arg) && verify) |
| 1154 | die_no_single_rev(quiet); |
| 1155 | continue; |
| 1156 | } |
| 1157 | |
| 1158 | /* Not a flag argument */ |
| 1159 | if (try_difference(arg)) |
| 1160 | continue; |
| 1161 | if (try_parent_shorthands(arg)) |
| 1162 | continue; |
| 1163 | name = arg; |
| 1164 | type = NORMAL; |
| 1165 | if (*arg == '^') { |
| 1166 | name++; |
| 1167 | type = REVERSED; |
| 1168 | } |
| 1169 | if (!repo_get_oid_with_flags(the_repository, name, &oid, |
| 1170 | flags)) { |
| 1171 | if (output_algo) |
| 1172 | repo_oid_to_algop(the_repository, &oid, |
| 1173 | output_algo, &oid); |
| 1174 | if (verify) |
| 1175 | revs_count++; |
| 1176 | else |
| 1177 | show_rev(type, &oid, name); |
| 1178 | continue; |
| 1179 | } |
| 1180 | if (verify) |
| 1181 | die_no_single_rev(quiet); |
| 1182 | if (has_dashdash) |
| 1183 | die(_("bad revision '%s'"), arg); |
| 1184 | as_is = 1; |
| 1185 | if (!show_file(arg, output_prefix)) |
| 1186 | continue; |
| 1187 | verify_filename(the_repository, prefix, arg, 1); |
| 1188 | } |
| 1189 | strbuf_release(&buf); |
| 1190 | if (verify) { |
| 1191 | if (revs_count == 1) { |
| 1192 | show_rev(type, &oid, name); |
| 1193 | return 0; |
| 1194 | } else if (revs_count == 0 && show_default()) |
| 1195 | return 0; |
| 1196 | die_no_single_rev(quiet); |
| 1197 | } else |
| 1198 | show_default(); |
| 1199 | return 0; |
| 1200 | } |