diff options
Diffstat (limited to 'morphlib')
-rw-r--r-- | morphlib/git.py | 8 | ||||
-rw-r--r-- | morphlib/plugins/branch_and_merge_plugin.py | 5 |
2 files changed, 13 insertions, 0 deletions
diff --git a/morphlib/git.py b/morphlib/git.py index 0a4b01f4..f5722ebe 100644 --- a/morphlib/git.py +++ b/morphlib/git.py @@ -150,6 +150,14 @@ def checkout_ref(runcmd, gitdir, ref): '''Checks out a specific ref/SHA1 in a git working tree.''' runcmd(['git', 'checkout', ref], cwd=gitdir) +def ref_exists(runcmd, gitdir, ref): + '''Check if specific ref exists locally or in a remote.''' + try: + runcmd(['git', 'show-ref', '--quiet', ref], cwd=gitdir) + except cliapp.AppException: + return False + return True + def reset_workdir(runcmd, gitdir): '''Removes any differences between the current commit ''' '''and the status of the working directory''' diff --git a/morphlib/plugins/branch_and_merge_plugin.py b/morphlib/plugins/branch_and_merge_plugin.py index 714f2838..cb55ade5 100644 --- a/morphlib/plugins/branch_and_merge_plugin.py +++ b/morphlib/plugins/branch_and_merge_plugin.py @@ -408,6 +408,11 @@ class BranchAndMergePlugin(cliapp.Plugin): repo_dir = os.path.join(branch_dir, self.convert_uri_to_path(repo)) self.clone_to_directory(repo_dir, repo, commit) + # Check if branch already exists locally or in a remote + if morphlib.git.ref_exists(self.app.runcmd, repo_dir, new_branch): + raise cliapp.AppException('branch %s already exists in ' + 'repository %s' % (new_branch, repo)) + # Create a new branch in the local morphs repository. self.app.runcmd(['git', 'checkout', '-b', new_branch, commit], cwd=repo_dir) |