diff options
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | builtin-show-ref.c | 112 | ||||
| -rw-r--r-- | builtin.h | 1 | ||||
| -rw-r--r-- | git.c | 1 |
4 files changed, 116 insertions, 1 deletions
@@ -295,7 +295,8 @@ BUILTIN_OBJS = \ builtin-upload-tar.o \ builtin-verify-pack.o \ builtin-write-tree.o \ - builtin-zip-tree.o + builtin-zip-tree.o \ + builtin-show-ref.o GITLIBS = $(LIB_FILE) $(XDIFF_LIB) LIBS = $(GITLIBS) -lz diff --git a/builtin-show-ref.c b/builtin-show-ref.c new file mode 100644 index 000000000..161b2367e --- /dev/null +++ b/builtin-show-ref.c @@ -0,0 +1,112 @@ +#include "cache.h" +#include "refs.h" +#include "object.h" +#include "tag.h" + +static const char show_ref_usage[] = "git show-ref [-q|--quiet] [--verify] [-h|--head] [-d|--deref] [--tags] [--heads] [--] [pattern*]"; + +static int deref_tags = 0, show_head = 0, tags_only = 0, heads_only = 0, found_match = 0, verify = 0, quiet = 0; +static const char **pattern; + +static int show_ref(const char *refname, const unsigned char *sha1) +{ + struct object *obj; + + if (tags_only || heads_only) { + int match; + + match = heads_only && !strncmp(refname, "refs/heads/", 11); + match |= tags_only && !strncmp(refname, "refs/tags/", 10); + if (!match) + return 0; + } + if (pattern) { + int reflen = strlen(refname); + const char **p = pattern, *m; + while ((m = *p++) != NULL) { + int len = strlen(m); + if (len > reflen) + continue; + if (memcmp(m, refname + reflen - len, len)) + continue; + if (len == reflen) + goto match; + /* "--verify" requires an exact match */ + if (verify) + continue; + if (refname[reflen - len - 1] == '/') + goto match; + } + return 0; + } + +match: + found_match++; + obj = parse_object(sha1); + if (!obj) { + if (quiet) + return 0; + die("git-show-ref: bad ref %s (%s)", refname, sha1_to_hex(sha1)); + } + if (quiet) + return 0; + printf("%s %s\n", sha1_to_hex(sha1), refname); + if (deref_tags && obj->type == OBJ_TAG) { + obj = deref_tag(obj, refname, 0); + printf("%s %s^{}\n", sha1_to_hex(obj->sha1), refname); + } + return 0; +} + +int cmd_show_ref(int argc, const char **argv, const char *prefix) +{ + int i; + + for (i = 1; i < argc; i++) { + const char *arg = argv[i]; + if (*arg != '-') { + pattern = argv + i; + break; + } + if (!strcmp(arg, "--")) { + pattern = argv + i + 1; + if (!*pattern) + pattern = NULL; + break; + } + if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet")) { + quiet = 1; + continue; + } + if (!strcmp(arg, "-h") || !strcmp(arg, "--head")) { + show_head = 1; + continue; + } + if (!strcmp(arg, "-d") || !strcmp(arg, "--dereference")) { + deref_tags = 1; + continue; + } + if (!strcmp(arg, "--verify")) { + verify = 1; + continue; + } + if (!strcmp(arg, "--tags")) { + tags_only = 1; + continue; + } + if (!strcmp(arg, "--heads")) { + heads_only = 1; + continue; + } + usage(show_ref_usage); + } + if (show_head) + head_ref(show_ref); + for_each_ref(show_ref); + if (!found_match) { + if (verify && !quiet) + die("No match"); + return 1; + } + return 0; +} @@ -60,5 +60,6 @@ extern int cmd_version(int argc, const char **argv, const char *prefix); extern int cmd_whatchanged(int argc, const char **argv, const char *prefix); extern int cmd_write_tree(int argc, const char **argv, const char *prefix); extern int cmd_verify_pack(int argc, const char **argv, const char *prefix); +extern int cmd_show_ref(int argc, const char **argv, const char *prefix); #endif @@ -266,6 +266,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp) { "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER }, { "write-tree", cmd_write_tree, RUN_SETUP }, { "verify-pack", cmd_verify_pack }, + { "show-ref", cmd_show_ref, RUN_SETUP }, }; int i; |