#!/bin/bash

dir="/var/tmp/portage/config/conf/$(hostname)"
username="ctibor"
root=/
repo="ssh://git@git.brancik.cz/rpi-config.git"

if [ $# != 1 ]; then
        echo "Usage: sync-config <action>. Action can be either pull or push"
        exit 1
fi

function check_repo {
        if [ ! -d /var/tmp/portage/config/.git ]; then
                echo "Cloning repository with config files."
                mkdir -p /var/tmp/portage
                chown ${username}:${username} /var/tmp/portage
                /bin/su ${username} --command="/usr/bin/git clone --depth=1 ${repo} /var/tmp/portage/config"
        fi
}

case $1 in
        push)
        check_repo 
        /bin/su ${username} --command="/usr/bin/git pull"
        echo "Pushing config files to overlay folder ..."
        /usr/bin/rsync -v --files-from /etc/portage/filelist_sync --recursive ${root} ${dir} --
        cd ${dir}
        /bin/su ${username} --command="/usr/bin/git add ."
        /bin/su ${username} --command="/usr/bin/git commit -a -m \"Update portage config for mizar $(date +%Y%m%d-%H%M%S)\""
        /bin/su ${username} --command="/usr/bin/git push";;
        pull)
        check_repo
	cd ${dir}
        /bin/su ${username} --command="/usr/bin/git pull"
        echo "Pulling config files from overlay folder ..."
        /usr/bin/rsync -v --files-from /etc/portage/filelist_sync --recursive  ${dir} ${root} --;;
        *)
        echo "Usage: sync-config <action>. Action can be either pull or push"
        exit 1
esac