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-rw-r--r--commit.c52
1 files changed, 19 insertions, 33 deletions
diff --git a/commit.c b/commit.c
index 1fc60c0109..2274e43fdf 100644
--- a/commit.c
+++ b/commit.c
@@ -18,19 +18,6 @@ int save_commit_buffer = 1;
const char *commit_type = "commit";
-static struct commit *check_commit(struct object *obj,
- const unsigned char *sha1,
- int quiet)
-{
- if (obj->type != OBJ_COMMIT) {
- if (!quiet)
- error("Object %s is a %s, not a commit",
- sha1_to_hex(sha1), typename(obj->type));
- return NULL;
- }
- return (struct commit *) obj;
-}
-
struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
int quiet)
{
@@ -38,7 +25,7 @@ struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
if (!obj)
return NULL;
- return check_commit(obj, sha1, quiet);
+ return object_as_type(obj, OBJ_COMMIT, quiet);
}
struct commit *lookup_commit_reference(const unsigned char *sha1)
@@ -61,13 +48,9 @@ struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_n
struct commit *lookup_commit(const unsigned char *sha1)
{
struct object *obj = lookup_object(sha1);
- if (!obj) {
- struct commit *c = alloc_commit_node();
- return create_object(sha1, OBJ_COMMIT, c);
- }
- if (!obj->type)
- obj->type = OBJ_COMMIT;
- return check_commit(obj, sha1, 0);
+ if (!obj)
+ return create_object(sha1, alloc_commit_node());
+ return object_as_type(obj, OBJ_COMMIT, 0);
}
struct commit *lookup_commit_reference_by_name(const char *name)
@@ -447,12 +430,7 @@ struct commit_list *copy_commit_list(struct commit_list *list)
struct commit_list *head = NULL;
struct commit_list **pp = &head;
while (list) {
- struct commit_list *new;
- new = xmalloc(sizeof(struct commit_list));
- new->item = list->item;
- new->next = NULL;
- *pp = new;
- pp = &new->next;
+ pp = commit_list_append(list->item, pp);
list = list->next;
}
return head;
@@ -988,12 +966,7 @@ struct commit_list *get_merge_bases_many(struct commit *one,
}
/* There are more than one */
- cnt = 0;
- list = result;
- while (list) {
- list = list->next;
- cnt++;
- }
+ cnt = commit_list_count(result);
rslt = xcalloc(cnt, sizeof(*rslt));
for (list = result, i = 0; list; list = list->next)
rslt[i++] = list->item;
@@ -1311,6 +1284,19 @@ struct commit_extra_header *read_commit_extra_headers(struct commit *commit,
return extra;
}
+void for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data)
+{
+ struct commit_extra_header *extra, *to_free;
+
+ to_free = read_commit_extra_headers(commit, NULL);
+ for (extra = to_free; extra; extra = extra->next) {
+ if (strcmp(extra->key, "mergetag"))
+ continue; /* not a merge tag */
+ fn(commit, extra, data);
+ }
+ free_commit_extra_headers(to_free);
+}
+
static inline int standard_header_field(const char *field, size_t len)
{
return ((len == 4 && !memcmp(field, "tree ", 5)) ||