#!/bin/sh

# Open Infrastructure: service-tools

# Copyright (C) 2014-2024 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# SPDX-License-Identifier: GPL-3.0+
#
# 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 <https://www.gnu.org/licenses/>.

set -e

case "${1}" in
	--quiet)
		QUIET="true"
		shift

		GIT_REPACK_OPTIONS="-q"
		GIT_GC_OPTIONS="--quiet"
		;;
esac

REPOSITORIES="${*}"

if [ -z "${REPOSITORIES}" ]
then
	if [ ! -e HEAD ]
	then
		REPOSITORIES="*.git"
	else
		REPOSITORIES="$(pwd)"
	fi
fi

for REPOSITORY in ${REPOSITORIES}
do
	if [ "${QUIET}" != "true" ]
	then

cat << EOF
================================================================================
${REPOSITORY}
================================================================================
EOF

	fi

	cd "${REPOSITORY}"
	git repack "${GIT_REPACK_OPTIONS}" -a -b -d -f -F
	git gc --aggressive --prune ${GIT_GC_OPTIONS}
	cd "${OLDPWD}"

	if [ "$(id -u)" -eq "0" ]
	then
		USER_ID="$(stat -c %u "${REPOSITORY}")"
		GROUP_ID="$(stat -c %g "${REPOSITORY}")"

		chown "${USER_ID}":"${GROUP_ID}" "${REPOSITORY}" -R
	fi
done