static int find_short_packed_object(int len, const unsigned char *match, unsigned char *sha1)
{
struct packed_git *p;
- unsigned char found_sha1[20];
+ const unsigned char *found_sha1 = NULL;
int found = 0;
prepare_packed_git();
for (p = packed_git; p && found < 2; p = p->next) {
- unsigned num = num_packed_objects(p);
- unsigned first = 0, last = num;
+ uint32_t num, last;
+ uint32_t first = 0;
+ open_pack_index(p);
+ num = p->num_objects;
+ last = num;
while (first < last) {
- unsigned mid = (first + last) / 2;
- unsigned char now[20];
+ uint32_t mid = (first + last) / 2;
+ const unsigned char *now;
int cmp;
- nth_packed_object_sha1(p, mid, now);
+ now = nth_packed_object_sha1(p, mid);
cmp = hashcmp(match, now);
if (!cmp) {
first = mid;
last = mid;
}
if (first < num) {
- unsigned char now[20], next[20];
- nth_packed_object_sha1(p, first, now);
+ const unsigned char *now, *next;
+ now = nth_packed_object_sha1(p, first);
if (match_sha(len, match, now)) {
- if (nth_packed_object_sha1(p, first+1, next) ||
- !match_sha(len, match, next)) {
+ next = nth_packed_object_sha1(p, first+1);
+ if (!next|| !match_sha(len, match, next)) {
/* unique within this pack */
if (!found) {
- hashcpy(found_sha1, now);
+ found_sha1 = now;
found++;
}
else if (hashcmp(found_sha1, now)) {
int has_unpacked, has_packed;
unsigned char unpacked_sha1[20], packed_sha1[20];
+ prepare_alt_odb();
has_unpacked = find_short_object_filename(len, canonical, unpacked_sha1);
has_packed = find_short_packed_object(len, res, packed_sha1);
if (!has_unpacked && !has_packed)
fprintf(stderr,
"warning: Log for '%.*s' only goes "
"back to %s.\n", len, str,
- show_rfc2822_date(co_time, co_tz));
+ show_date(co_time, co_tz, DATE_RFC2822));
else
fprintf(stderr,
"warning: Log for '%.*s' only has "
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)
+static int get_sha1_oneline(const char *prefix, unsigned char *sha1)
+{
+ struct commit_list *list = NULL, *backup = NULL, *l;
+ int retval = -1;
+
+ 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 (list) {
+ char *p;
+ struct commit *commit;
+
+ commit = pop_most_recent_commit(&list, ONELINE_SEEN);
+ 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);
+ retval = 0;
+ break;
+ }
+ }
+ free_commit_list(list);
+ for (l = backup; l; l = l->next)
+ clear_commit_marks(l->item, ONELINE_SEEN);
+ return retval;
+}
+
/*
* This is like "get_sha1_basic()", except it allows "sha1 expressions",
* notably "xyz^" for "parent of xyz"
*/
int get_sha1(const char *name, unsigned char *sha1)
{
- int ret, bracket_depth;
unsigned unused;
+ return get_sha1_with_mode(name, sha1, &unused);
+}
+
+int get_sha1_with_mode(const char *name, unsigned char *sha1, unsigned *mode)
+{
+ int ret, bracket_depth;
int namelen = strlen(name);
const char *cp;
- prepare_alt_odb();
+ *mode = S_IFINVALID;
ret = get_sha1_1(name, namelen, sha1);
if (!ret)
return ret;
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])
namelen = namelen - (cp - name);
if (!active_cache)
read_cache();
- if (active_nr < 0)
- return -1;
pos = cache_name_pos(cp, namelen);
if (pos < 0)
pos = -pos - 1;
break;
if (ce_stage(ce) == stage) {
hashcpy(sha1, ce->sha1);
+ *mode = ntohl(ce->ce_mode);
return 0;
}
pos++;
unsigned char tree_sha1[20];
if (!get_sha1_1(name, cp-name, tree_sha1))
return get_tree_entry(tree_sha1, cp+1, sha1,
- &unused);
+ mode);
}
return ret;
}