def currentBranchAsTag(ctx, branch_name=None, config_file='bumpr.rc'):
# don't put at module level to avoid the requirements for other tasks
from bumpr.config import Config
from bumpr.releaser import Releaser
import os
if not branch_name:
branch_name = os.environ.get('TRAVIS_BRANCH', None)
if not branch_name:
ret = ctx.run('git rev-parse --abbrev-ref HEAD | grep -v ^HEAD$ || '
'git rev-parse HEAD')
if not ret.ok:
raise RuntimeError("Can't get current branch")
branch_name = ret.stdout.replace('\n', '')
config = Config()
config.override_from_config(config_file)
releaser = Releaser(config)
releaser.bump_files([(str(releaser.version), branch_name)])
