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#!/usr/bin/env python
import shutil
import subprocess
import sys
from pathlib import Path
from subprocess import CalledProcessError
try:
from commitizen.cz.utils import get_backup_file_path
except ImportError as error:
print("could not import commitizen:")
print(error)
exit(1)
def prepare_commit_msg(commit_msg_file: str) -> int:
# check if the commit message needs to be generated using commitizen
exit_code = subprocess.run(
[
"cz",
"check",
"--commit-msg-file",
commit_msg_file,
],
capture_output=True,
).returncode
if exit_code != 0:
backup_file = Path(get_backup_file_path())
if backup_file.is_file():
# confirm if commit message from backup file should be reused
answer = input("retry with previous message? [y/N]: ")
if answer.lower() == "y":
shutil.copyfile(backup_file, commit_msg_file)
return 0
# use commitizen to generate the commit message
try:
subprocess.run(
[
"cz",
"commit",
"--dry-run",
"--write-message-to-file",
commit_msg_file,
],
stdin=sys.stdin,
stdout=sys.stdout,
).check_returncode()
except CalledProcessError as error:
return error.returncode
# write message to backup file
shutil.copyfile(commit_msg_file, backup_file)
return 0
if __name__ == "__main__":
# make hook interactive by attaching /dev/tty to stdin
with open("/dev/tty") as tty:
sys.stdin = tty
exit(prepare_commit_msg(sys.argv[1]))
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