projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| 358ddb62 LT |
1 | #include "cache.h" |
| 2 | #include "refs.h" | |
| 3 | #include "object.h" | |
| 4 | #include "tag.h" | |
| 5 | ||
| 6 | static const char show_ref_usage[] = "git show-ref [-q|--quiet] [--verify] [-h|--head] [-d|--deref] [--tags] [--heads] [--] [pattern*]"; | |
| 7 | ||
| 8 | static int deref_tags = 0, show_head = 0, tags_only = 0, heads_only = 0, found_match = 0, verify = 0, quiet = 0; | |
| 9 | static const char **pattern; | |
| 10 | ||
| 11 | static int show_ref(const char *refname, const unsigned char *sha1) | |
| 12 | { | |
| 13 | struct object *obj; | |
| 14 | ||
| 15 | if (tags_only || heads_only) { | |
| 16 | int match; | |
| 17 | ||
| 18 | match = heads_only && !strncmp(refname, "refs/heads/", 11); | |
| 19 | match |= tags_only && !strncmp(refname, "refs/tags/", 10); | |
| 20 | if (!match) | |
| 21 | return 0; | |
| 22 | } | |
| 23 | if (pattern) { | |
| 24 | int reflen = strlen(refname); | |
| 25 | const char **p = pattern, *m; | |
| 26 | while ((m = *p++) != NULL) { | |
| 27 | int len = strlen(m); | |
| 28 | if (len > reflen) | |
| 29 | continue; | |
| 30 | if (memcmp(m, refname + reflen - len, len)) | |
| 31 | continue; | |
| 32 | if (len == reflen) | |
| 33 | goto match; | |
| 34 | /* "--verify" requires an exact match */ | |
| 35 | if (verify) | |
| 36 | continue; | |
| 37 | if (refname[reflen - len - 1] == '/') | |
| 38 | goto match; | |
| 39 | } | |
| 40 | return 0; | |
| 41 | } | |
| 42 | ||
| 43 | match: | |
| 44 | found_match++; | |
| 45 | obj = parse_object(sha1); | |
| 46 | if (!obj) { | |
| 47 | if (quiet) | |
| 48 | return 0; | |
| 49 | die("git-show-ref: bad ref %s (%s)", refname, sha1_to_hex(sha1)); | |
| 50 | } | |
| 51 | if (quiet) | |
| 52 | return 0; | |
| 53 | printf("%s %s\n", sha1_to_hex(sha1), refname); | |
| 54 | if (deref_tags && obj->type == OBJ_TAG) { | |
| 55 | obj = deref_tag(obj, refname, 0); | |
| 56 | printf("%s %s^{}\n", sha1_to_hex(obj->sha1), refname); | |
| 57 | } | |
| 58 | return 0; | |
| 59 | } | |
| 60 | ||
| 61 | int cmd_show_ref(int argc, const char **argv, const char *prefix) | |
| 62 | { | |
| 63 | int i; | |
| 64 | ||
| 65 | for (i = 1; i < argc; i++) { | |
| 66 | const char *arg = argv[i]; | |
| 67 | if (*arg != '-') { | |
| 68 | pattern = argv + i; | |
| 69 | break; | |
| 70 | } | |
| 71 | if (!strcmp(arg, "--")) { | |
| 72 | pattern = argv + i + 1; | |
| 73 | if (!*pattern) | |
| 74 | pattern = NULL; | |
| 75 | break; | |
| 76 | } | |
| 77 | if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet")) { | |
| 78 | quiet = 1; | |
| 79 | continue; | |
| 80 | } | |
| 81 | if (!strcmp(arg, "-h") || !strcmp(arg, "--head")) { | |
| 82 | show_head = 1; | |
| 83 | continue; | |
| 84 | } | |
| 85 | if (!strcmp(arg, "-d") || !strcmp(arg, "--dereference")) { | |
| 86 | deref_tags = 1; | |
| 87 | continue; | |
| 88 | } | |
| 89 | if (!strcmp(arg, "--verify")) { | |
| 90 | verify = 1; | |
| 91 | continue; | |
| 92 | } | |
| 93 | if (!strcmp(arg, "--tags")) { | |
| 94 | tags_only = 1; | |
| 95 | continue; | |
| 96 | } | |
| 97 | if (!strcmp(arg, "--heads")) { | |
| 98 | heads_only = 1; | |
| 99 | continue; | |
| 100 | } | |
| 101 | usage(show_ref_usage); | |
| 102 | } | |
| 103 | if (show_head) | |
| 104 | head_ref(show_ref); | |
| 105 | for_each_ref(show_ref); | |
| 106 | if (!found_match) { | |
| 107 | if (verify && !quiet) | |
| 108 | die("No match"); | |
| 109 | return 1; | |
| 110 | } | |
| 111 | return 0; | |
| 112 | } |