diff options
Diffstat (limited to 'builtin/describe.c')
| -rw-r--r-- | builtin/describe.c | 113 |
1 files changed, 60 insertions, 53 deletions
diff --git a/builtin/describe.c b/builtin/describe.c index 9f63067f50..7d73722f59 100644 --- a/builtin/describe.c +++ b/builtin/describe.c @@ -7,13 +7,14 @@ #include "parse-options.h" #include "diff.h" #include "hash.h" +#include "argv-array.h" #define SEEN (1u<<0) #define MAX_TAGS (FLAG_BITS - 1) static const char * const describe_usage[] = { - "git describe [options] <committish>*", - "git describe [options] --dirty", + N_("git describe [options] <committish>*"), + N_("git describe [options] --dirty"), NULL }; @@ -21,6 +22,7 @@ static int debug; /* Display lots of verbose info */ static int all; /* Any valid ref can be used */ static int tags; /* Allow lightweight tags */ static int longformat; +static int first_parent; static int abbrev = -1; /* unspecified */ static int max_candidates = 10; static struct hash_table names; @@ -42,7 +44,7 @@ struct commit_name { unsigned prio:2; /* annotated tag = 2, tag = 1, head = 0 */ unsigned name_checked:1; unsigned char sha1[20]; - const char *path; + char *path; }; static const char *prio_names[] = { "head", "lightweight", "annotated", @@ -126,51 +128,52 @@ static void add_to_known_names(const char *path, } else { e->next = NULL; } + e->path = NULL; } e->tag = tag; e->prio = prio; e->name_checked = 0; hashcpy(e->sha1, sha1); - e->path = path; + free(e->path); + e->path = xstrdup(path); } } static int get_name(const char *path, const unsigned char *sha1, int flag, void *cb_data) { - int might_be_tag = !prefixcmp(path, "refs/tags/"); + int is_tag = !prefixcmp(path, "refs/tags/"); unsigned char peeled[20]; - int is_tag, prio; + int is_annotated, prio; - if (!all && !might_be_tag) + /* Reject anything outside refs/tags/ unless --all */ + if (!all && !is_tag) return 0; - if (!peel_ref(path, peeled) && !is_null_sha1(peeled)) { - is_tag = !!hashcmp(sha1, peeled); + /* Accept only tags that match the pattern, if given */ + if (pattern && (!is_tag || fnmatch(pattern, path + 10, 0))) + return 0; + + /* Is it annotated? */ + if (!peel_ref(path, peeled)) { + is_annotated = !!hashcmp(sha1, peeled); } else { hashcpy(peeled, sha1); - is_tag = 0; + is_annotated = 0; } - /* If --all, then any refs are used. - * If --tags, then any tags are used. - * Otherwise only annotated tags are used. + /* + * By default, we only use annotated tags, but with --tags + * we fall back to lightweight ones (even without --tags, + * we still remember lightweight ones, only to give hints + * in an error message). --all allows any refs to be used. */ - if (might_be_tag) { - if (is_tag) - prio = 2; - else - prio = 1; - - if (pattern && fnmatch(pattern, path + 10, 0)) - prio = 0; - } + if (is_annotated) + prio = 2; + else if (is_tag) + prio = 1; else prio = 0; - if (!all) { - if (!prio) - return 0; - } add_to_known_names(all ? path + 5 : path + 10, peeled, prio, sha1); return 0; } @@ -337,6 +340,9 @@ static void describe(const char *arg, int last_one) commit_list_insert_by_date(p, &list); p->object.flags |= c->object.flags; parents = parents->next; + + if (first_parent) + break; } } @@ -400,22 +406,23 @@ int cmd_describe(int argc, const char **argv, const char *prefix) { int contains = 0; struct option options[] = { - OPT_BOOLEAN(0, "contains", &contains, "find the tag that comes after the commit"), - OPT_BOOLEAN(0, "debug", &debug, "debug search strategy on stderr"), - OPT_BOOLEAN(0, "all", &all, "use any ref in .git/refs"), - OPT_BOOLEAN(0, "tags", &tags, "use any tag in .git/refs/tags"), - OPT_BOOLEAN(0, "long", &longformat, "always use long format"), + OPT_BOOLEAN(0, "contains", &contains, N_("find the tag that comes after the commit")), + OPT_BOOLEAN(0, "debug", &debug, N_("debug search strategy on stderr")), + OPT_BOOLEAN(0, "all", &all, N_("use any ref")), + OPT_BOOLEAN(0, "tags", &tags, N_("use any tag, even unannotated")), + OPT_BOOLEAN(0, "long", &longformat, N_("always use long format")), + OPT_BOOLEAN(0, "first-parent", &first_parent, N_("only follow first parent")), OPT__ABBREV(&abbrev), OPT_SET_INT(0, "exact-match", &max_candidates, - "only output exact matches", 0), + N_("only output exact matches"), 0), OPT_INTEGER(0, "candidates", &max_candidates, - "consider <n> most recent tags (default: 10)"), - OPT_STRING(0, "match", &pattern, "pattern", - "only consider tags matching <pattern>"), + N_("consider <n> most recent tags (default: 10)")), + OPT_STRING(0, "match", &pattern, N_("pattern"), + N_("only consider tags matching <pattern>")), OPT_BOOLEAN(0, "always", &always, - "show abbreviated commit object as fallback"), - {OPTION_STRING, 0, "dirty", &dirty, "mark", - "append <mark> on dirty working tree (default: \"-dirty\")", + N_("show abbreviated commit object as fallback")), + {OPTION_STRING, 0, "dirty", &dirty, N_("mark"), + N_("append <mark> on dirty working tree (default: \"-dirty\")"), PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"}, OPT_END(), }; @@ -436,24 +443,24 @@ int cmd_describe(int argc, const char **argv, const char *prefix) die(_("--long is incompatible with --abbrev=0")); if (contains) { - const char **args = xmalloc((7 + argc) * sizeof(char *)); - int i = 0; - args[i++] = "name-rev"; - args[i++] = "--name-only"; - args[i++] = "--no-undefined"; + struct argv_array args; + + argv_array_init(&args); + argv_array_pushl(&args, "name-rev", + "--peel-tag", "--name-only", "--no-undefined", + NULL); if (always) - args[i++] = "--always"; + argv_array_push(&args, "--always"); if (!all) { - args[i++] = "--tags"; - if (pattern) { - char *s = xmalloc(strlen("--refs=refs/tags/") + strlen(pattern) + 1); - sprintf(s, "--refs=refs/tags/%s", pattern); - args[i++] = s; - } + argv_array_push(&args, "--tags"); + if (pattern) + argv_array_pushf(&args, "--refs=refs/tags/%s", pattern); + } + while (*argv) { + argv_array_push(&args, *argv); + argv++; } - memcpy(args + i, argv, argc * sizeof(char *)); - args[i + argc] = NULL; - return cmd_name_rev(i + argc, args, prefix); + return cmd_name_rev(args.argc, args.argv, prefix); } init_hash(&names); |