def repo_path():
"""
Get the path to the git_dir of the mainline linux git repository to use.
Typically obtained from the LINUX_GIT environment variable.
"""
try:
search_path = subprocess.check_output(
os.path.join(libdir(), "..", "linux_git.sh")).decode().strip()
except subprocess.CalledProcessError:
print("Error: Could not determine mainline linux git repository path.",
file=sys.stderr)
sys.exit(1)
return pygit2.discover_repository(search_path)
"commits that each line represents, with the first word on the line "
"taken to be a commit id.")
parser.add_argument("-d",
"--dump-heads",
action="store_true",
help="Print the branch heads used for sorting "
"(debugging).")
args = parser.parse_args()
try:
path = os.environ["GIT_DIR"]
except KeyError:
try:
# depending on the pygit2 version, discover_repository() will either
# raise KeyError or return None if a repository is not found.
path = pygit2.discover_repository(os.getcwd())
except KeyError:
path = None
if path is None:
print("Error: Not a git repository", file=sys.stderr)
sys.exit(1)
repo = pygit2.Repository(path)
if args.dump_heads:
needs_rebuild = False
try:
with Cache() as cache:
try:
print("Cached heads (version %d):" % cache["version"])
except CKeyError:
print("No usable cache")
