diff options
Diffstat (limited to 'builtin-show-ref.c')
| -rw-r--r-- | builtin-show-ref.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/builtin-show-ref.c b/builtin-show-ref.c deleted file mode 100644 index 9463ff0e69..0000000000 --- a/builtin-show-ref.c +++ /dev/null @@ -1,252 +0,0 @@ -#include "cache.h" -#include "refs.h" -#include "object.h" -#include "tag.h" -#include "path-list.h" - -static const char show_ref_usage[] = "git show-ref [-q|--quiet] [--verify] [-h|--head] [-d|--dereference] [-s|--hash[=<length>]] [--abbrev[=<length>]] [--tags] [--heads] [--] [pattern*] < ref-list"; - -static int deref_tags = 0, show_head = 0, tags_only = 0, heads_only = 0, - found_match = 0, verify = 0, quiet = 0, hash_only = 0, abbrev = 0; -static const char **pattern; - -static void show_one(const char *refname, const unsigned char *sha1) -{ - const char *hex = find_unique_abbrev(sha1, abbrev); - if (hash_only) - printf("%s\n", hex); - else - printf("%s %s\n", hex, refname); -} - -static int show_ref(const char *refname, const unsigned char *sha1, int flag, void *cbdata) -{ - struct object *obj; - const char *hex; - unsigned char peeled[20]; - - if (tags_only || heads_only) { - int match; - - match = heads_only && !prefixcmp(refname, "refs/heads/"); - match |= tags_only && !prefixcmp(refname, "refs/tags/"); - 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++; - - /* This changes the semantics slightly that even under quiet we - * detect and return error if the repository is corrupt and - * ref points at a nonexistent object. - */ - if (!has_sha1_file(sha1)) - die("git-show-ref: bad ref %s (%s)", refname, - sha1_to_hex(sha1)); - - if (quiet) - return 0; - - show_one(refname, sha1); - - if (!deref_tags) - return 0; - - if ((flag & REF_ISPACKED) && !peel_ref(refname, peeled)) { - if (!is_null_sha1(peeled)) { - hex = find_unique_abbrev(peeled, abbrev); - printf("%s %s^{}\n", hex, refname); - } - } - else { - obj = parse_object(sha1); - if (!obj) - die("git-show-ref: bad ref %s (%s)", refname, - sha1_to_hex(sha1)); - if (obj->type == OBJ_TAG) { - obj = deref_tag(obj, refname, 0); - hex = find_unique_abbrev(obj->sha1, abbrev); - printf("%s %s^{}\n", hex, refname); - } - } - return 0; -} - -static int add_existing(const char *refname, const unsigned char *sha1, int flag, void *cbdata) -{ - struct path_list *list = (struct path_list *)cbdata; - path_list_insert(refname, list); - return 0; -} - -/* - * read "^(?:<anything>\s)?<refname>(?:\^\{\})?$" from the standard input, - * and - * (1) strip "^{}" at the end of line if any; - * (2) ignore if match is provided and does not head-match refname; - * (3) warn if refname is not a well-formed refname and skip; - * (4) ignore if refname is a ref that exists in the local repository; - * (5) otherwise output the line. - */ -static int exclude_existing(const char *match) -{ - static struct path_list existing_refs = { NULL, 0, 0, 0 }; - char buf[1024]; - int matchlen = match ? strlen(match) : 0; - - for_each_ref(add_existing, &existing_refs); - while (fgets(buf, sizeof(buf), stdin)) { - char *ref; - int len = strlen(buf); - - if (len > 0 && buf[len - 1] == '\n') - buf[--len] = '\0'; - if (3 <= len && !strcmp(buf + len - 3, "^{}")) { - len -= 3; - buf[len] = '\0'; - } - for (ref = buf + len; buf < ref; ref--) - if (isspace(ref[-1])) - break; - if (match) { - int reflen = buf + len - ref; - if (reflen < matchlen) - continue; - if (strncmp(ref, match, matchlen)) - continue; - } - if (check_ref_format(ref)) { - fprintf(stderr, "warning: ref '%s' ignored\n", ref); - continue; - } - if (!path_list_has_path(&existing_refs, ref)) { - printf("%s\n", buf); - } - } - 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, "-s") || !strcmp(arg, "--hash")) { - hash_only = 1; - continue; - } - if (!prefixcmp(arg, "--hash=") || - (!prefixcmp(arg, "--abbrev") && - (arg[8] == '=' || arg[8] == '\0'))) { - if (arg[2] != 'h' && !arg[8]) - /* --abbrev only */ - abbrev = DEFAULT_ABBREV; - else { - /* --hash= or --abbrev= */ - char *end; - if (arg[2] == 'h') { - hash_only = 1; - arg += 7; - } - else - arg += 9; - abbrev = strtoul(arg, &end, 10); - if (*end || abbrev > 40) - usage(show_ref_usage); - if (abbrev < MINIMUM_ABBREV) - abbrev = MINIMUM_ABBREV; - } - continue; - } - if (!strcmp(arg, "--verify")) { - verify = 1; - continue; - } - if (!strcmp(arg, "--tags")) { - tags_only = 1; - continue; - } - if (!strcmp(arg, "--heads")) { - heads_only = 1; - continue; - } - if (!strcmp(arg, "--exclude-existing")) - return exclude_existing(NULL); - if (!prefixcmp(arg, "--exclude-existing=")) - return exclude_existing(arg + 19); - usage(show_ref_usage); - } - - if (verify) { - if (!pattern) - die("--verify requires a reference"); - while (*pattern) { - unsigned char sha1[20]; - - if (!prefixcmp(*pattern, "refs/") && - resolve_ref(*pattern, sha1, 1, NULL)) { - if (!quiet) - show_one(*pattern, sha1); - } - else if (!quiet) - die("'%s' - not a valid ref", *pattern); - else - return 1; - pattern++; - } - return 0; - } - - if (show_head) - head_ref(show_ref, NULL); - for_each_ref(show_ref, NULL); - if (!found_match) { - if (verify && !quiet) - die("No match"); - return 1; - } - return 0; -} |