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Add pre-commit hook for clang-format

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Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
This commit is contained in:
Steffen Vogel 2023-09-07 12:26:36 +02:00
parent aa16979fdd
commit 3b4f8246e4
1 changed files with 43 additions and 0 deletions
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43
tools/git-pre-commit-hook.sh Normal file
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#!/usr/bin/env bash
#
# Install / run pre-commit hook in repo
#
# Author: Steffen Vogel <post@steffenvogel.de>
# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
# SPDX-License-Identifier: Apache-2.0
format_file() {
FILE="${1}"
if [ -f ${FILE} ]; then
if ! clang-format --Werror --dry-run ${FILE}; then
clang-format -i ${FILE}
return 1
fi
fi
}
case "${1}" in
help)
echo "Run ${0} install to install the git commit hooks"
;;
install)
TOP_DIR=$(git rev-parse --show-toplevel)
cp "${BASH_SOURCE[0]}" "${TOP_DIR}/.git/hooks/pre-commit"
;;
*)
FILES=$(git diff-index --cached --name-only HEAD | grep -iE '\.(cpp|hpp|c|h)$')
CHANGES=0
for FILE in ${FILES}; do
if ! format_file "${FILE}"; then
CHANGES=$((CHANGES+1))
fi
done
if (( ${CHANGES} > 0 )); then
echo "Formatting of ${CHANGES} files has been fixed. Please stage and commit again."
exit -1
fi
;;
esac