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RIOT/dist/tools/commit-msg/check.sh
2018-10-10 14:06:33 +03:00

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#!/bin/sh
# Copyright 2017 Freie Universität Berlin
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.
MSG_MAX_LENGTH=50
MSG_STRETCH_LENGTH=72
# If no branch but an option is given, unset BRANCH.
# Otherwise, consume this parameter.
BRANCH="${1}"
if echo "${BRANCH}" | grep -q '^-'; then
if [ $(git rev-parse --abbrev-ref HEAD) != "master" ]; then
BRANCH="master"
else
BRANCH=""
fi
else
if [ -n "${BRANCH}" ]; then
shift 1
fi
fi
# select HEAD, if no branch is given
if [ -z "${BRANCH}" ]; then
BRANCH=$(git rev-list HEAD | tail -n 1)
fi
ERROR="$(git log \
--no-merges --pretty=format:'%s' $(git merge-base ${BRANCH} HEAD)..HEAD | \
while read msg; do
msg_length=$(echo "${msg}" | awk '{print length($0)}')
if [ ${msg_length} -gt ${MSG_MAX_LENGTH} ]; then
if [ ${msg_length} -gt ${MSG_STRETCH_LENGTH} ]; then
MSG="Error: Commit message is longer than ${MSG_STRETCH_LENGTH} characters:"
echo "error"
else
MSG="Warning: Commit message is longer than ${MSG_MAX_LENGTH}"
MSG="${MSG} (but < ${MSG_STRETCH_LENGTH}) characters:"
fi
echo "${MSG}" >&2
echo " \"${msg}\"" >&2
fi
done)"
if [ -n "${ERROR}" ]; then
exit 1
fi