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-rw-r--r--builtin-show-ref.c256
1 files changed, 0 insertions, 256 deletions
diff --git a/builtin-show-ref.c b/builtin-show-ref.c
deleted file mode 100644
index a323633e29..0000000000
--- a/builtin-show-ref.c
+++ /dev/null
@@ -1,256 +0,0 @@
-#include "builtin.h"
-#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);
- if (!obj)
- die("git-show-ref: bad tag at ref %s (%s)", refname,
- sha1_to_hex(sha1));
- 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 22:53:31 +0000