def get_manifest_repo():
"""
Return a GitRepo object pointing to the repository that contains
the crepo manifest.
"""
# root dir is cwd for now
cdup = GitRepo(".").command_process(["rev-parse", "--show-cdup"],
capture_stdout=True,
capture_stderr=True)
if cdup.Wait() != 0:
return None
cdup_path = cdup.stdout.strip()
if cdup_path:
return GitRepo(cdup_path)
else:
return GitRepo(".")
