#! /bin/sh
# postrm script for oar-common
#
# see: dh_installdeb(1)

set -e
#set -x 

OAROWNER=oar
OAROWNERGROUP=oar

case "$1" in
	remove|disappear)
	    chsh -s /bin/bash $OAROWNER
            ;;
        upgrade|failed-upgrade|abort-install|abort-upgrade)
	    ;;
	purge)

            # find first and last SYSTEM_UID numbers
            for LINE in `grep SYSTEM_UID /etc/adduser.conf | grep -v "^#"`; do
                case $LINE in
                    FIRST_SYSTEM_UID*)
                        FIRST_SYSTEM_UID=`echo $LINE | cut -f2 -d '='`
                        ;;
                    LAST_SYSTEM_UID*)
                        LAST_SYSTEM_UID=`echo $LINE | cut -f2 -d '='`
                        ;;
                    *)
                        ;;
                esac
            done
            # Remove system account if necessary
            CREATEDUSER="$OAROWNER"
            if [ -n "$FIRST_SYSTEM_UID" ] && [ -n "$LAST_SYSTEM_UID" ]; then
                if USERID=`getent passwd $CREATEDUSER | cut -f 3 -d ':'`; then
                    if [ -n "$USERID" ]; then
                        if [ "$FIRST_SYSTEM_UID" -le "$USERID" ] && \
                            [ "$USERID" -le "$LAST_SYSTEM_UID" ]; then
                        echo -n "Removing $CREATEDUSER system user.."
                        deluser --quiet $CREATEDUSER || true
                        echo "..done"
                    fi
                fi
            fi
        fi
        # Remove system group if necessary
        CREATEDGROUP=$OAROWNERGROUP
        FIRST_USER_GID=$(grep ^USERS_GID /etc/adduser.conf | cut -f2 -d '=')
        if [ -n "$FIRST_USER_GID" ]; then
            if GROUPGID=$(getent group $CREATEDGROUP | cut -f 3 -d ':'); then
                if [ -n "$GROUPGID" ]; then
                    if [ "$FIRST_USER_GID" -gt "$GROUPGID" ]; then
                        echo -n "Removing $CREATEDGROUP group.."
                        delgroup --only-if-empty $CREATEDGROUP || true
                        echo "..done"
                    fi
                fi
            fi
        fi

        # Remove the possible conffiles 
        for conffile in /etc/oar/oar.conf \
                        /etc/oar/oarnodesetting_ssh \
                        /etc/oar/update_cpuset_id.sh; do 
            # we mimic dpkg as closely as possible, so we remove configuration
            # files with dpkg backup extensions too:
            ### Some of the following is from Tore Anderson:
            for ext in '~' '%' .bak .dpkg-tmp .dpkg-new .dpkg-old .dpkg-dist .ucf-old .ucf-new .ucf-dist;  do
                    rm -f $conffile$ext
            done
            # remove the configuration file itself
            rm -f $conffile
            # and finally clear it out from the ucf database
            if which ucf >/dev/null; then
                    ucf --purge $conffile
            fi
            if which ucfr >/dev/null; then
                    ucfr --purge oar-common $conffile
            fi
        done

        for ext in .0 .1.gz .2.gz .3.gz .4.gz .5.gz .6.gz .7.gz; do
            rm -f /var/log/oar.log$ext
        done
        rm -f /var/log/oar.log
        rm -rf /var/run/oar
        rm -f /var/lib/oar/.bash_oar
        rm -f /var/lib/oar/.bash_profile
        rm -f /var/lib/oar/.bashrc
        rm -f /var/lib/oar/.batch_job_bashrc
        rm -rf /var/lib/oar/.ssh
        rmdir /var/lib/oar || true
        rmdir /etc/oar || true
        ;;
  *)
    echo "postrm called with unknown argument \`$1'" >&2
    exit 1
esac



exit 0