Plug a bunch of leaks

src/index.c

@@ -87,6 +87,8 @@ static int parse_index(git_index *index, const char *buffer, size_t buffer_size)
 static int is_index_extended(git_index *index);
 static int write_index(git_index *index, git_filebuf *file);
 
+static void index_entry_free(git_index_entry *entry);
+
 static int index_srch(const void *key, const void *array_member)
 {
 	const git_index_entry *entry = array_member;
@@ -157,8 +159,17 @@ int git_index_open(git_index **index_out, const char *index_path)
 
 static void index_free(git_index *index)
 {
+	git_index_entry *e;
+	unsigned int i;
+
 	git_index_clear(index);
+	git_vector_foreach(&index->entries, i, e) {
+		index_entry_free(e);
+	}
 	git_vector_free(&index->entries);
+	git_vector_foreach(&index->unmerged, i, e) {
+		index_entry_free(e);
+	}
 	git_vector_free(&index->unmerged);
 
 	git__free(index->index_file_path);

src/status.c

@@ -154,6 +154,7 @@ static int retrieve_head_tree(git_tree **tree_out, git_repository *repo)
 	if ((error = git_commit_lookup(&head_commit, repo, git_reference_oid(resolved_head_ref))) < GIT_SUCCESS)
 		return git__rethrow(error, "The tip of HEAD can't be retrieved");
 
+	git_reference_free(resolved_head_ref);
 	if ((error = git_commit_tree(&tree, head_commit)) < GIT_SUCCESS) {
 		error = git__rethrow(error, "The tree of HEAD can't be retrieved");
 		goto exit;

tests-clay/repo/getters.c

@@ -37,6 +37,7 @@ void test_repo_getters__head_detached(void)
 	git_oid_fromstr(&oid, "c47800c7266a2be04c571c04d5a6614691ea99bd");
 	cl_git_pass(git_reference_create_oid(&ref, repo, "HEAD", &oid, 1));
 	cl_assert(git_repository_head_detached(repo) == 1);
+	git_reference_free(ref);
 
 	/* take the reop back to it's original state */
 	cl_git_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
@@ -58,6 +59,7 @@ void test_repo_getters__head_orphan(void)
 	/* orphan HEAD */
 	cl_git_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/orphan", 1));
 	cl_assert(git_repository_head_orphan(repo) == 1);
+	git_reference_free(ref);
 
 	/* take the reop back to it's original state */
 	cl_git_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));

tests/t04-commit.c

@@ -759,6 +759,7 @@ BEGIN_TEST(root0, "create a root commit")
 	must_be_true(!strcmp(git_commit_message(commit), ROOT_COMMIT_MESSAGE));
 
 	/* Remove the data we just added to the repo */
+	git_reference_free(head);
 	must_pass(git_reference_lookup(&head, repo, "HEAD"));
 	must_pass(git_reference_set_target(head, head_old));
 	must_pass(git_reference_delete(branch));

tests/t08-tag.c

@@ -243,6 +243,7 @@ BEGIN_TEST(write3, "Replace an already existing tag")
 
 	must_pass(git_reference_lookup(&ref_tag, repo, "refs/tags/e90810b"));
 	git_oid_cpy(&old_tag_id, git_reference_oid(ref_tag));
+	git_reference_free(ref_tag);
 
 	/* create signature */
 	must_pass(git_signature_new(&tagger, TAGGER_NAME, TAGGER_EMAIL, 123456789, 60));