Fix git_repository_set_odb() refcount issue

git_repository_free() calls git_odb_free() if the owned odb is not null.

According to the doc, when setting a new odb through git_repository_set_odb() the caller has to take care of releasing the odb by himself.

1 files changed, 21 insertions, 0 deletions

diff --git a/tests-clar/repo/setters.c b/tests-clar/repo/setters.c
index 0c3b28d33..6242d8541 100644
--- a/tests-clar/repo/setters.c
+++ b/tests-clar/repo/setters.c
@@ -57,3 +57,24 @@ void test_repo_setters__setting_a_new_index_on_a_repo_which_has_already_loaded_o
 	 */
 	repo = NULL;
 }
+
+void test_repo_setters__setting_a_new_odb_on_a_repo_which_already_loaded_one_properly_honors_the_refcount(void)
+{
+	git_odb *new_odb;
+
+	cl_git_pass(git_odb_open(&new_odb, "./testrepo.git/objects"));
+	cl_assert(((git_refcount *)new_odb)->refcount == 1);
+
+	git_repository_set_odb(repo, new_odb);
+	cl_assert(((git_refcount *)new_odb)->refcount == 2);
+
+	git_repository_free(repo);
+	cl_assert(((git_refcount *)new_odb)->refcount == 1);
+
+	git_odb_free(new_odb);
+
+	/* 
+	 * Ensure the cleanup method won't try to free the repo as it's already been taken care of
+	 */
+	repo = NULL;
+}