diff options
-rwxr-xr-x | test/lint/lint-git-commit-check.py | 63 | ||||
-rwxr-xr-x | test/lint/lint-git-commit-check.sh | 48 |
2 files changed, 63 insertions, 48 deletions
diff --git a/test/lint/lint-git-commit-check.py b/test/lint/lint-git-commit-check.py new file mode 100755 index 0000000000..a1d03370e8 --- /dev/null +++ b/test/lint/lint-git-commit-check.py @@ -0,0 +1,63 @@ +#!/usr/bin/env python3 +# +# Copyright (c) 2020-2022 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +# +# Linter to check that commit messages have a new line before the body +# or no body at all + +import argparse +import os +import sys + +from subprocess import check_output + + +def parse_args(): + """Parse command line arguments.""" + parser = argparse.ArgumentParser( + description=""" + Linter to check that commit messages have a new line before + the body or no body at all. + """, + epilog=f""" + You can manually set the commit-range with the COMMIT_RANGE + environment variable (e.g. "COMMIT_RANGE='47ba2c3...ee50c9e' + {sys.argv[0]}"). Defaults to current merge base when neither + prev-commits nor the environment variable is set. + """) + + parser.add_argument("--prev-commits", "-p", required=False, help="The previous n commits to check") + + return parser.parse_args() + + +def main(): + args = parse_args() + exit_code = 0 + + if not os.getenv("COMMIT_RANGE"): + if args.prev_commits: + commit_range = "HEAD~" + args.prev_commits + "...HEAD" + else: + # This assumes that the target branch of the pull request will be master. + merge_base = check_output(["git", "merge-base", "HEAD", "master"], universal_newlines=True, encoding="utf8").rstrip("\n") + commit_range = merge_base + "..HEAD" + else: + commit_range = os.getenv("COMMIT_RANGE") + + commit_hashes = check_output(["git", "log", commit_range, "--format=%H"], universal_newlines=True, encoding="utf8").splitlines() + + for hash in commit_hashes: + commit_info = check_output(["git", "log", "--format=%B", "-n", "1", hash], universal_newlines=True, encoding="utf8").splitlines() + if len(commit_info) >= 2: + if commit_info[1]: + print(f"The subject line of commit hash {hash} is followed by a non-empty line. Subject lines should always be followed by a blank line.") + exit_code = 1 + + sys.exit(exit_code) + + +if __name__ == "__main__": + main() diff --git a/test/lint/lint-git-commit-check.sh b/test/lint/lint-git-commit-check.sh deleted file mode 100755 index f77373ed00..0000000000 --- a/test/lint/lint-git-commit-check.sh +++ /dev/null @@ -1,48 +0,0 @@ -#!/usr/bin/env bash -# Copyright (c) 2020-2021 The Bitcoin Core developers -# Distributed under the MIT software license, see the accompanying -# file COPYING or http://www.opensource.org/licenses/mit-license.php. -# -# Linter to check that commit messages have a new line before the body -# or no body at all - -export LC_ALL=C - -EXIT_CODE=0 - -while getopts "?" opt; do - case $opt in - ?) - echo "Usage: $0 [N]" - echo " COMMIT_RANGE='<commit range>' $0" - echo " $0 -?" - echo "Checks unmerged commits, the previous N commits, or a commit range." - echo "COMMIT_RANGE='47ba2c3...ee50c9e' $0" - exit ${EXIT_CODE} - ;; - esac -done - -if [ -z "${COMMIT_RANGE}" ]; then - if [ -n "$1" ]; then - COMMIT_RANGE="HEAD~$1...HEAD" - else - # This assumes that the target branch of the pull request will be master. - MERGE_BASE=$(git merge-base HEAD master) - COMMIT_RANGE="$MERGE_BASE..HEAD" - fi -fi - -while IFS= read -r commit_hash || [[ -n "$commit_hash" ]]; do - n_line=0 - while IFS= read -r line || [[ -n "$line" ]]; do - n_line=$((n_line+1)) - length=${#line} - if [ $n_line -eq 2 ] && [ "$length" -ne 0 ]; then - echo "The subject line of commit hash ${commit_hash} is followed by a non-empty line. Subject lines should always be followed by a blank line." - EXIT_CODE=1 - fi - done < <(git log --format=%B -n 1 "$commit_hash") -done < <(git log "${COMMIT_RANGE}" --format=%H) - -exit ${EXIT_CODE} |