get_sha1_oneline: make callers prepare the commit list to traverse

This gives callers more control, i.e. which ref will be searched from.
They must prepare the list ordered by committer date.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/sha1_name.c b/sha1_name.c
index 2cc7a42390c246e8ea97c50b4b12d7109d35ba6c..aefae1f524d2bd185702ec0314860c1c136a68a7 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -686,13 +686,13 @@ static int handle_one_ref(const char *path,
        if (object->type != OBJ_COMMIT)
                return 0;
        insert_by_date((struct commit *)object, list);
-       object->flags |= ONELINE_SEEN;
        return 0;
 }
 
-static int get_sha1_oneline(const char *prefix, unsigned char *sha1)
+static int get_sha1_oneline(const char *prefix, unsigned char *sha1,
+                           struct commit_list *list)
 {
-       struct commit_list *list = NULL, *backup = NULL, *l;
+       struct commit_list *backup = NULL, *l;
        int found = 0;
        regex_t regex;
 
@@ -705,9 +705,10 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1)
        if (regcomp(&regex, prefix, REG_EXTENDED))
                die("Invalid search pattern: %s", prefix);
 
-       for_each_ref(handle_one_ref, &list);
-       for (l = list; l; l = l->next)
+       for (l = list; l; l = l->next) {
+               l->item->object.flags |= ONELINE_SEEN;
                commit_list_insert(l->item, &backup);
+       }
        while (list) {
                char *p, *to_free = NULL;
                struct commit *commit;
@@ -1090,9 +1091,11 @@ int get_sha1_with_context_1(const char *name, unsigned char *sha1,
                int stage = 0;
                struct cache_entry *ce;
                int pos;
-               if (namelen > 2 && name[1] == '/')
-                       /* don't need mode for commit */
-                       return get_sha1_oneline(name + 2, sha1);
+               if (namelen > 2 && name[1] == '/') {
+                       struct commit_list *list = NULL;
+                       for_each_ref(handle_one_ref, &list);
+                       return get_sha1_oneline(name + 2, sha1, list);
+               }
                if (namelen < 3 ||
                    name[2] != ':' ||
                    name[1] < '0' || '3' < name[1])