int git_branch_create(
git_oid *oid_out,
git_repository *repo,
const char *branch_name,
const git_object *target,
int force)
{
git_otype target_type = GIT_OBJ_BAD;
git_object *commit = NULL;
git_reference *branch = NULL;
git_buf canonical_branch_name = GIT_BUF_INIT;
int error = -1;
assert(repo && branch_name && target && oid_out);
if (git_object_owner(target) != repo)
return create_error_invalid("The given target does not belong to this repository");
target_type = git_object_type(target);
switch (target_type)
{
case GIT_OBJ_TAG:
if (git_tag_peel(&commit, (git_tag *)target) < 0)
goto cleanup;
if (git_object_type(commit) != GIT_OBJ_COMMIT) {
create_error_invalid("The given target does not resolve to a commit");
goto cleanup;
}
break;
case GIT_OBJ_COMMIT:
commit = (git_object *)target;
break;
default:
return create_error_invalid("Only git_tag and git_commit objects are valid targets.");
}
if (git_buf_joinpath(&canonical_branch_name, GIT_REFS_HEADS_DIR, branch_name) < 0)
goto cleanup;
if (git_reference_create_oid(&branch, repo, git_buf_cstr(&canonical_branch_name), git_object_id(commit), force) < 0)
goto cleanup;
git_oid_cpy(oid_out, git_reference_oid(branch));
error = 0;
cleanup:
if (target_type == GIT_OBJ_TAG)
git_object_free(commit);
git_reference_free(branch);
git_buf_free(&canonical_branch_name);
return error;
}
int git_branch_create(
git_reference **ref_out,
git_repository *repository,
const char *branch_name,
const git_object *target,
int force)
{
git_object *commit = NULL;
git_reference *branch = NULL;
git_buf canonical_branch_name = GIT_BUF_INIT;
int error = -1;
assert(branch_name && target && ref_out);
assert(git_object_owner(target) == repository);
if (git_object_peel(&commit, (git_object *)target, GIT_OBJ_COMMIT) < 0)
return create_error_invalid("The given target does not resolve to a commit");
if (git_buf_joinpath(&canonical_branch_name, GIT_REFS_HEADS_DIR, branch_name) < 0)
goto cleanup;
error = git_reference_create_oid(&branch, repository,
git_buf_cstr(&canonical_branch_name), git_object_id(commit), force);
if (!error)
*ref_out = branch;
cleanup:
git_object_free(commit);
git_buf_free(&canonical_branch_name);
return error;
}
