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qTox/verify-commit-messages.sh

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#!/bin/bash
#
# Copyright © 2016 Zetok Zalbavar <zetok@openmailbox.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Script for verifying conformance to commit message format of commits in commit
# range supplied.
#
# Script fails (non-zero exit status) if commit messages don't conform.
# usage:
# ./$script $commit_range
#
# $commit_range in format `abdce..12345`
ARG="$1"
echo "" # ← formatting
# Conform, /OR ELSE/.
if git log --format=format:'%s' "$ARG" | \
grep -v -E '^((feat|fix|docs|style|refactor|perf|revert|test|chore)(\(.+\))?:.{1,68})|(Merge pull request #[[:digit:]]{1,10})$'
then
echo ""
echo "Above ↑ commits don't conform to commit message format:"
echo "https://github.com/tux3/qTox/blob/master/CONTRIBUTING.md#commit-message-format"
echo ""
echo "Pls fix."
echo ""
echo "If you're not sure how to rewrite history, here's a helpful tutorial:"
echo "https://www.atlassian.com/git/tutorials/rewriting-history/git-commit--amend/"
echo ""
echo "If you're still not sure what to do, feel free to pop on IRC, or ask in PR comments for help :)"
# fail the build
exit 1
fi