#!/bin/sh

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 ${REPOSITORIES}
do
	[ "${QUIET}" ] || echo "--------------------------------------------------------------------------------"
	[ "${QUIET}" ] || echo ${REPOSITORY}
	[ "${QUIET}" ] || echo "--------------------------------------------------------------------------------"

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

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

		chown ${UID}:${GID} "${REPOSITORY}" -R
	fi
done