def _branch_and_checkout(fs, branch_name=None):
"""Create and check out a new Disdat branch.
:param fs: A Disdat file system handle.
:param branch_name: A fully-qualified branch name.
"""
if branch_name is None:
_logger.error("Got an invalid branch name '{}'".format(branch_name))
return False
if len(branch_name.split('/')) <= 1:
_logger.error(
"Got a partial branch name: Expected <context>/<branch-name>, got branch name '{}' with no context"
.format(branch_name))
return False
# These operations are idempotent, so if the context and branch already
# exist these become no-ops.
fs.branch(branch_name)
fs.checkout(branch_name)
return True
def context(context_name):
""" Create a new context
Args:
context_name(str): <remote context>/<local context> or <local context>
Returns:
(int) : 0 if successfully created branch, 1 if branch exists
"""
fs = _get_fs()
return fs.branch(context_name)