Merge pull request libgit2#5000 from augfab/branch_lookup_all

Have git_branch_lookup accept GIT_BRANCH_ALL

Author: ethomson

src/branch.c

@@ -22,7 +22,7 @@ static int retrieve_branch_reference(
 	git_reference **branch_reference_out,
 	git_repository *repo,
 	const char *branch_name,
-	int is_remote)
+	bool is_remote)
 {
 	git_reference *branch = NULL;
 	int error = 0;
@@ -334,9 +334,23 @@ int git_branch_lookup(
 	const char *branch_name,
 	git_branch_t branch_type)
 {
+	int error = -1;
 	assert(ref_out && repo && branch_name);
 
-	return retrieve_branch_reference(ref_out, repo, branch_name, branch_type == GIT_BRANCH_REMOTE);
+	switch (branch_type) {
+	case GIT_BRANCH_LOCAL:
+	case GIT_BRANCH_REMOTE:
+		error = retrieve_branch_reference(ref_out, repo, branch_name, branch_type == GIT_BRANCH_REMOTE);
+		break;
+	case GIT_BRANCH_ALL:
+		error = retrieve_branch_reference(ref_out, repo, branch_name, false);
+		if (error == GIT_ENOTFOUND)
+			error = retrieve_branch_reference(ref_out, repo, branch_name, true);
+		break;
+	default:
+		assert(false);
+	}
+	return error;
 }
 
 int git_branch_name(

tests/refs/branches/lookup.c

@@ -20,20 +20,41 @@ void test_refs_branches_lookup__cleanup(void)
 	repo = NULL;
 }
 
-void test_refs_branches_lookup__can_retrieve_a_local_branch(void)
+void test_refs_branches_lookup__can_retrieve_a_local_branch_local(void)
 {
 	cl_git_pass(git_branch_lookup(&branch, repo, "br2", GIT_BRANCH_LOCAL));
 }
 
-void test_refs_branches_lookup__can_retrieve_a_remote_tracking_branch(void)
+void test_refs_branches_lookup__can_retrieve_a_local_branch_all(void)
+{
+	cl_git_pass(git_branch_lookup(&branch, repo, "br2", GIT_BRANCH_ALL));
+}
+
+void test_refs_branches_lookup__trying_to_retrieve_a_local_branch_remote(void)
+{
+	cl_git_fail(git_branch_lookup(&branch, repo, "br2", GIT_BRANCH_REMOTE));
+}
+
+void test_refs_branches_lookup__can_retrieve_a_remote_tracking_branch_remote(void)
 {
 	cl_git_pass(git_branch_lookup(&branch, repo, "test/master", GIT_BRANCH_REMOTE));
 }
 
+void test_refs_branches_lookup__can_retrieve_a_remote_tracking_branch_all(void)
+{
+	cl_git_pass(git_branch_lookup(&branch, repo, "test/master", GIT_BRANCH_ALL));
+}
+
+void test_refs_branches_lookup__trying_to_retrieve_a_remote_tracking_branch_local(void)
+{
+	cl_git_fail(git_branch_lookup(&branch, repo, "test/master", GIT_BRANCH_LOCAL));
+}
+
 void test_refs_branches_lookup__trying_to_retrieve_an_unknown_branch_returns_ENOTFOUND(void)
 {
 	cl_assert_equal_i(GIT_ENOTFOUND, git_branch_lookup(&branch, repo, "where/are/you", GIT_BRANCH_LOCAL));
 	cl_assert_equal_i(GIT_ENOTFOUND, git_branch_lookup(&branch, repo, "over/here", GIT_BRANCH_REMOTE));
+	cl_assert_equal_i(GIT_ENOTFOUND, git_branch_lookup(&branch, repo, "maybe/here", GIT_BRANCH_ALL));
 }
 
 void test_refs_branches_lookup__trying_to_retrieve_a_branch_with_an_invalid_name_returns_EINVALIDSPEC(void)
@@ -42,4 +63,6 @@ void test_refs_branches_lookup__trying_to_retrieve_a_branch_with_an_invalid_name
 		git_branch_lookup(&branch, repo, "are/you/inv@{id", GIT_BRANCH_LOCAL));
 	cl_assert_equal_i(GIT_EINVALIDSPEC,
 		git_branch_lookup(&branch, repo, "yes/i am", GIT_BRANCH_REMOTE));
+	cl_assert_equal_i(GIT_EINVALIDSPEC,
+		git_branch_lookup(&branch, repo, "inv al/id", GIT_BRANCH_ALL));
 }