Port blame from git.git

1 files changed, 36 insertions, 0 deletions

diff --git a/src/object.c b/src/object.c
index 9b8ccdd3e..53666ffe4 100644
--- a/src/object.c
+++ b/src/object.c
@@ -364,3 +364,39 @@ int git_object_dup(git_object **dest, git_object *source)
 	*dest = source;
 	return 0;
 }
+
+int git_object_lookup_bypath(
+		git_object **out,
+		const git_object *treeish,
+		const char *path,
+		git_otype type)
+{
+	int error = -1;
+	git_tree *tree = NULL;
+	git_tree_entry *entry = NULL;
+	git_object *tmpobj = NULL;
+
+	assert(out && treeish && path);
+
+	if (((error = git_object_peel((git_object**)&tree, treeish, GIT_OBJ_TREE)) < 0) ||
+		 ((error = git_tree_entry_bypath(&entry, tree, path)) < 0) ||
+		 ((error = git_tree_entry_to_object(&tmpobj, git_object_owner(treeish), entry)) < 0))
+	{
+		goto cleanup;
+	}
+
+	if (type == GIT_OBJ_ANY || git_object_type(tmpobj) == type) {
+		*out = tmpobj;
+	} else {
+		giterr_set(GITERR_OBJECT,
+				"object at path '%s' is not of the asked-for type %d",
+				path, type);
+		error = GIT_EINVALIDSPEC;
+		git_object_free(tmpobj);
+	}
+
+cleanup:
+	git_tree_entry_free(entry);
+	git_tree_free(tree);
+	return error;
+}