def _check_for_non_git_dir_path_clashes(repos: List[plug.StudentRepo]) -> None:
"""Raise if any of the student repo paths clash with a non-git
directory.
"""
for repo in repos:
if repo.path.exists() and not util.is_git_repo(repo.path):
raise exception.RepoBeeException(
f"name clash with directory that is not a Git repository: "
f"'{repo.path}'")
def test_repobee_exception_repr():
msg = "an exception message"
expected_repr = "<RepoBeeException(msg='{}')>".format(msg)
exc = exception.RepoBeeException(msg)
assert repr(exc) == expected_repr