def test_force_release_writer_lock_works(managed_tmpdir):
repo = Repository(path=managed_tmpdir, exists=False)
repo.init(user_name='tester', user_email='*****@*****.**', remove_old=True)
co = repo.checkout(write=True)
# try to release the writer lock with a process which has different uid
with pytest.warns(ResourceWarning):
repo.force_release_writer_lock()
co._writer_lock == 'LOCK_AVAILABLE'
co.close()
# replace, but rest of object is closed
repo._env._close_environments()
def test_cannot_operate_without_repo_init(managed_tmpdir):
repo = Repository(path=managed_tmpdir, exists=False)
with pytest.raises(RuntimeError):
repo.writer_lock_held()
with pytest.raises(RuntimeError):
repo.checkout()
with pytest.raises(RuntimeError):
repo.writer_lock_held()
with pytest.raises(RuntimeError):
repo.log()
with pytest.raises(RuntimeError):
repo.summary()
with pytest.raises(RuntimeError):
repo.merge('fail', 'master', 'nonexistant')
with pytest.raises(RuntimeError):
repo.create_branch('test')
with pytest.raises(RuntimeError):
repo.list_branches()
with pytest.raises(RuntimeError):
repo.force_release_writer_lock()
with pytest.raises(RuntimeError):
repo.remote.add('origin', 'foo')
with pytest.raises(RuntimeError):
repo.remote.remove('origin')
with pytest.raises(RuntimeError):
repo.remote.fetch('origin', 'master')
with pytest.raises(RuntimeError):
repo.remote.fetch_data('origin', branch='master')
with pytest.raises(RuntimeError):
repo.remote.list_all()
with pytest.raises(RuntimeError):
repo.remote.ping('origin')
with pytest.raises(RuntimeError):
repo.remote.push('origin', 'master')
with pytest.raises(RuntimeError):
repo.remove_branch('master')
with pytest.raises(RuntimeError):
repo.path
with pytest.raises(RuntimeError):
repo.version
with pytest.raises(RuntimeError):
repo.writer_lock_held
with pytest.raises(RuntimeError):
repo.size_human
with pytest.raises(RuntimeError):
repo.size_nbytes
assert repo._env.repo_is_initialized is False
def writer_lock_held(repo: Repository, force_release_):
"""Determine if the writer lock is held for a repository.
Passing the ``--force-release`` flag will instantly release the writer lock,
invalidating any process which currently holds it.
"""
if force_release_:
repo.force_release_writer_lock()
click.echo(f'Success force release of writer lock.')
else:
if repo.writer_lock_held:
click.echo(f'Writer lock is held.')
else:
click.echo(f'Writer lock is available.')
def liberate():
"""
Release the writer lock forcefully and make the repository available for writing.
Warning
-------
If another process, that has the writer lock, is writing to the repo, releasing the
lock leads to an exception in that process. Use it carefully
"""
repo = Repository(Path.cwd(), exists=True)
if repo.force_release_writer_lock():
click.echo("Writer lock released")
else:
click.echo("Error while attempting to release the writer lock")
