Added git_commit_create_oid

include/git2/commit.h

@@ -287,6 +287,26 @@ GIT_EXTERN(int) git_commit_create_v(
 		int parent_count,
 		...);
 
+/**
+ * Create a new commit in the repository, as with `git_commit_create`,
+ * using `git_oid` instances as parameters instead of `git_object`.
+ *
+ * See documentation for `git_commit_create` for information about the
+ * parameters, as the meaning is identical excepting that `tree` and
+ * `parents` now take `git_oid`.
+ */
+GIT_EXTERN(int) git_commit_create_oid(
+		git_oid *oid,
+		git_repository *repo,
+		const char *update_ref,
+		const git_signature *author,
+		const git_signature *committer,
+		const char *message_encoding,
+		const char *message,
+		const git_oid *tree,
+		int parent_count,
+		const git_oid *parents[]);
+
 /** @} */
 GIT_END_DECL
 #endif

src/commit.c

@@ -76,7 +76,7 @@ int git_commit_create_v(
 	return res;
 }
 
-int git_commit_create(
+int git_commit_create_oid(
 		git_oid *oid,
 		git_repository *repo,
 		const char *update_ref,
@@ -84,22 +84,18 @@ int git_commit_create(
 		const git_signature *committer,
 		const char *message_encoding,
 		const char *message,
-		const git_tree *tree,
+		const git_oid *tree,
 		int parent_count,
-		const git_commit *parents[])
+		const git_oid *parents[])
 {
 	git_buf commit = GIT_BUF_INIT;
 	int i;
 	git_odb *odb;
 
-	assert(git_object_owner((const git_object *)tree) == repo);
-
-	git_oid__writebuf(&commit, "tree ", git_object_id((const git_object *)tree));
+	git_oid__writebuf(&commit, "tree ", tree);
 
-	for (i = 0; i < parent_count; ++i) {
-		assert(git_object_owner((const git_object *)parents[i]) == repo);
-		git_oid__writebuf(&commit, "parent ", git_object_id((const git_object *)parents[i]));
-	}
+	for (i = 0; i < parent_count; ++i)
+		git_oid__writebuf(&commit, "parent ", parents[i]);
 
 	git_signature__writebuf(&commit, "author ", author);
 	git_signature__writebuf(&commit, "committer ", committer);
@@ -131,6 +127,40 @@ on_error:
 	return -1;
 }
 
+int git_commit_create(
+		git_oid *oid,
+		git_repository *repo,
+		const char *update_ref,
+		const git_signature *author,
+		const git_signature *committer,
+		const char *message_encoding,
+		const char *message,
+		const git_tree *tree,
+		int parent_count,
+		const git_commit *parents[])
+{
+        int retval, i;
+	const git_oid **parent_oids;
+
+	assert(git_object_owner((const git_object *)tree) == repo);
+
+	parent_oids = git__malloc(parent_count * sizeof(git_oid *));
+	GITERR_CHECK_ALLOC(parent_oids);
+
+	for (i = 0; i < parent_count; ++i) {
+		assert(git_object_owner((const git_object *)parents[i]) == repo);
+		parent_oids[i] = git_object_id((const git_object *)parents[i]);
+	}
+
+	retval = git_commit_create_oid(oid, repo, update_ref, author, committer,
+                                       message_encoding, message,
+                                       git_object_id((const git_object *)tree),
+                                       parent_count, parent_oids);
+
+	git__free((void *)parent_oids);
+        return retval;
+}
+
 int git_commit__parse_buffer(git_commit *commit, const void *data, size_t len)
 {
 	const char *buffer = data;