#! /bin/sh
set -e

diaspora_home=/usr/share/diaspora

# Fix bin symlink set by earlier versions
if test -L ${diaspora_home}/bin
then
    rm -rf ${diaspora_home}/bin
fi

# Backup the previous version
# Just keep the config and vendor/bundle
backup() {
    cp -r ${diaspora_home}/config ${diaspora_home}-config
    cp -r ${diaspora_home}/vendor/bundle ${diaspora_home}-vendor-bundle
    cp -r ${diaspora_home}/.bundle ${diaspora_home}.bundle
    mv ${diaspora_home} ${diaspora_home}-backup.`openssl rand -hex 4`
    mkdir ${diaspora_home}
    mkdir ${diaspora_home}/vendor
    mv ${diaspora_home}-config ${diaspora_home}/config
    mv ${diaspora_home}-vendor-bundle ${diaspora_home}/vendor/bundle
    mv ${diaspora_home}.bundle ${diaspora_home}/.bundle
    chown ${diaspora_user}: -R ${diaspora_home}
	
}
 
case "$1" in
    upgrade)
            echo "Stopping diaspora..."
            invoke-rc.d diaspora stop
            echo "Making a backup of ${diaspora_home}..."
            backup || true
        ;;
    abort-upgrade|install)
        ;;
    *)
        echo "preinst called with unknown argument \`$1'" >&2
        exit 1
        ;;
esac

#DEBHELPER#

exit 0
