#!/bin/sh

set -u

repositories="/etc /etc/bind/ /usr/share/scripts"

for repository in ${repositories}; do
    if [ -d "${repository}/.git" ]; then
        if [ ${repository} = "/usr/share/scripts" ]; then
            mount -o remount,rw /usr
        fi
        git --git-dir="${repository}/.git" gc --quiet
        if [ ${repository} = "/usr/share/scripts" ]; then
            mount -o remount /usr
        fi
    fi
done