return slash;
}
+static const char *ref_fmt[] = {
+ "%.*s",
+ "refs/%.*s",
+ "refs/tags/%.*s",
+ "refs/heads/%.*s",
+ "refs/remotes/%.*s",
+ "refs/remotes/%.*s/HEAD",
+ NULL
+};
+
int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
{
- static const char *fmt[] = {
- "%.*s",
- "refs/%.*s",
- "refs/tags/%.*s",
- "refs/heads/%.*s",
- "refs/remotes/%.*s",
- "refs/remotes/%.*s/HEAD",
- NULL
- };
const char **p, *r;
int refs_found = 0;
*ref = NULL;
- for (p = fmt; *p; p++) {
+ for (p = ref_fmt; *p; p++) {
unsigned char sha1_from_ref[20];
unsigned char *this_result;
return refs_found;
}
+int dwim_log(const char *str, int len, unsigned char *sha1, char **log)
+{
+ const char **p;
+ int logs_found = 0;
+
+ *log = NULL;
+ for (p = ref_fmt; *p; p++) {
+ struct stat st;
+ unsigned char hash[20];
+ char path[PATH_MAX];
+ const char *ref, *it;
+
+ strcpy(path, mkpath(*p, len, str));
+ ref = resolve_ref(path, hash, 0, NULL);
+ if (!ref)
+ continue;
+ if (!stat(git_path("logs/%s", path), &st) &&
+ S_ISREG(st.st_mode))
+ it = path;
+ else if (strcmp(ref, path) &&
+ !stat(git_path("logs/%s", ref), &st) &&
+ S_ISREG(st.st_mode))
+ it = ref;
+ else
+ continue;
+ if (!logs_found++) {
+ *log = xstrdup(it);
+ hashcpy(sha1, hash);
+ }
+ if (!warn_ambiguous_refs)
+ break;
+ }
+ return logs_found;
+}
+
static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
{
static const char *warning = "warning: refname '%.*s' is ambiguous.\n";
if (!len && reflog_len) {
/* allow "@{...}" to mean the current branch reflog */
refs_found = dwim_ref("HEAD", 4, sha1, &real_ref);
- } else
+ } else if (reflog_len)
+ refs_found = dwim_log(str, len, sha1, &real_ref);
+ else
refs_found = dwim_ref(str, len, sha1, &real_ref);
if (!refs_found)
unsigned long co_time;
int co_tz, co_cnt;
- /*
- * We'll have an independent reflog for "HEAD" eventually
- * which won't be a synonym for the current branch reflog.
- * In the mean time prevent people from getting used to
- * such a synonym until the work is completed.
- */
- if (len && !strncmp("HEAD", str, len) &&
- !strncmp(real_ref, "refs/", 5)) {
- error("reflog for HEAD has not been implemented yet\n"
- "Maybe you could try %s%s instead, "
- "or just %s for current branch..",
- strchr(real_ref+5, '/')+1, str+len, str+len);
- exit(-1);
- }
-
/* Is it asking for N-th entry, or approxidate? */
for (i = nth = 0; 0 <= nth && i < reflog_len; i++) {
char ch = str[at+2+i];
return get_short_sha1(name, len, sha1, 0);
}
+static int handle_one_ref(const char *path,
+ const unsigned char *sha1, int flag, void *cb_data)
+{
+ struct commit_list **list = cb_data;
+ struct object *object = parse_object(sha1);
+ if (!object)
+ return 0;
+ if (object->type == OBJ_TAG)
+ object = deref_tag(object, path, strlen(path));
+ if (object->type != OBJ_COMMIT)
+ return 0;
+ insert_by_date((struct commit *)object, list);
+ return 0;
+}
+
+/*
+ * This interprets names like ':/Initial revision of "git"' by searching
+ * through history and returning the first commit whose message starts
+ * with the given string.
+ *
+ * For future extension, ':/!' is reserved. If you want to match a message
+ * beginning with a '!', you have to repeat the exclamation mark.
+ */
+
+#define ONELINE_SEEN (1u<<20)
+int get_sha1_oneline(const char *prefix, unsigned char *sha1)
+{
+ struct commit_list *list = NULL, *backup = NULL, *l;
+ struct commit *commit;
+
+ if (prefix[0] == '!') {
+ if (prefix[1] != '!')
+ die ("Invalid search pattern: %s", prefix);
+ prefix++;
+ }
+ if (!save_commit_buffer)
+ return error("Could not expand oneline-name.");
+ for_each_ref(handle_one_ref, &list);
+ for (l = list; l; l = l->next)
+ commit_list_insert(l->item, &backup);
+ while ((commit = pop_most_recent_commit(&list, ONELINE_SEEN))) {
+ char *p;
+ parse_object(commit->object.sha1);
+ if (!commit->buffer || !(p = strstr(commit->buffer, "\n\n")))
+ continue;
+ if (!prefixcmp(p + 2, prefix)) {
+ hashcpy(sha1, commit->object.sha1);
+ break;
+ }
+ }
+ free_commit_list(list);
+ for (l = backup; l; l = l->next)
+ clear_commit_marks(l->item, ONELINE_SEEN);
+ return commit == NULL;
+}
+
/*
* This is like "get_sha1_basic()", except it allows "sha1 expressions",
* notably "xyz^" for "parent of xyz"
int stage = 0;
struct cache_entry *ce;
int pos;
+ if (namelen > 2 && name[1] == '/')
+ return get_sha1_oneline(name + 2, sha1);
if (namelen < 3 ||
name[2] != ':' ||
name[1] < '0' || '3' < name[1])
projects / git.git / blobdiff