Commit 2d012c0c72e1c7ae6e418340a7bb4ab9dc0288bd
2012-07-11T16:52:02
revparse: deploy git_commit_nth_gen_ancestor()
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diff --git a/src/revparse.c b/src/revparse.c
index 10b8376..670f67e 100644
--- a/src/revparse.c
+++ b/src/revparse.c
@@ -522,8 +522,7 @@ static int handle_caret_syntax(git_object **out, git_repository *repo, git_objec
static int handle_linear_syntax(git_object **out, git_object *obj, const char *movement)
{
- git_commit *commit1, *commit2;
- int i, n;
+ int n;
/* Dereference until we reach a commit. */
if (dereference_to_type(&obj, obj, GIT_OBJ_COMMIT) < 0) {
@@ -537,26 +536,8 @@ static int handle_linear_syntax(git_object **out, git_object *obj, const char *m
} else if (git__strtol32(&n, movement, NULL, 0) < 0) {
return GIT_ERROR;
}
- commit1 = (git_commit*)obj;
-
- /* "~0" just returns the input */
- if (n == 0) {
- *out = obj;
- return 0;
- }
- for (i=0; i<n; i++) {
- if (git_commit_parent(&commit2, commit1, 0) < 0) {
- return GIT_ERROR;
- }
- if (commit1 != (git_commit*)obj) {
- git_commit_free(commit1);
- }
- commit1 = commit2;
- }
-
- *out = (git_object*)commit1;
- return 0;
+ return git_commit_nth_gen_ancestor((git_commit **)out, (git_commit*)obj, n);
}
static int oid_for_tree_path(git_oid *out, git_tree *tree, git_repository *repo, const char *path)