Merge pull request #3977 from jfultz/fix-forced-branch-creation-on-bare-repo
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diff --git a/src/branch.c b/src/branch.c
index 51c35d7..8d1ed65 100644
--- a/src/branch.c
+++ b/src/branch.c
@@ -58,16 +58,17 @@ static int create_branch(
const char *from,
int force)
{
- int is_head = 0;
+ int is_unmovable_head = 0;
git_reference *branch = NULL;
git_buf canonical_branch_name = GIT_BUF_INIT,
log_message = GIT_BUF_INIT;
int error = -1;
+ int bare = git_repository_is_bare(repository);
assert(branch_name && commit && ref_out);
assert(git_object_owner((const git_object *)commit) == repository);
- if (force && git_branch_lookup(&branch, repository, branch_name, GIT_BRANCH_LOCAL) == 0) {
+ if (force && !bare && git_branch_lookup(&branch, repository, branch_name, GIT_BRANCH_LOCAL) == 0) {
error = git_branch_is_head(branch);
git_reference_free(branch);
branch = NULL;
@@ -75,10 +76,10 @@ static int create_branch(
if (error < 0)
goto cleanup;
- is_head = error;
+ is_unmovable_head = error;
}
- if (is_head && force) {
+ if (is_unmovable_head && force) {
giterr_set(GITERR_REFERENCE, "Cannot force update branch '%s' as it is "
"the current HEAD of the repository.", branch_name);
error = -1;
diff --git a/tests/refs/branches/create.c b/tests/refs/branches/create.c
index 31dec06..69488e6 100644
--- a/tests/refs/branches/create.c
+++ b/tests/refs/branches/create.c
@@ -65,10 +65,14 @@ void test_refs_branches_create__can_force_create_over_an_existing_branch(void)
cl_assert_equal_s("refs/heads/br2", git_reference_name(branch));
}
-void test_refs_branches_create__cannot_force_create_over_current_branch(void)
+void test_refs_branches_create__cannot_force_create_over_current_branch_in_nonbare_repo(void)
{
const git_oid *oid;
git_reference *branch2;
+
+ /* Default repo for these tests is a bare repo, but this test requires a non-bare one */
+ cl_git_sandbox_cleanup();
+ repo = cl_git_sandbox_init("testrepo");
retrieve_known_commit(&target, repo);
cl_git_pass(git_branch_lookup(&branch2, repo, "master", GIT_BRANCH_LOCAL));
@@ -84,6 +88,26 @@ void test_refs_branches_create__cannot_force_create_over_current_branch(void)
git_reference_free(branch2);
}
+void test_refs_branches_create__can_force_create_over_current_branch_in_bare_repo(void)
+{
+ const git_oid *oid;
+ git_reference *branch2;
+ retrieve_known_commit(&target, repo);
+
+ cl_git_pass(git_branch_lookup(&branch2, repo, "master", GIT_BRANCH_LOCAL));
+ cl_assert_equal_s("refs/heads/master", git_reference_name(branch2));
+ cl_assert_equal_i(true, git_branch_is_head(branch2));
+ oid = git_commit_id(target);
+
+ cl_git_pass(git_branch_create(&branch, repo, "master", target, 1));
+ git_reference_free(branch);
+ branch = NULL;
+ cl_git_pass(git_branch_lookup(&branch, repo, "master", GIT_BRANCH_LOCAL));
+ cl_assert_equal_s("refs/heads/master", git_reference_name(branch));
+ cl_git_pass(git_oid_cmp(git_reference_target(branch), oid));
+ git_reference_free(branch2);
+}
+
void test_refs_branches_create__creating_a_branch_with_an_invalid_name_returns_EINVALIDSPEC(void)
{
retrieve_known_commit(&target, repo);