source: trunk/debathena/debathena/thirdparty-installer/debian/thirdparty @ 25668

#!/bin/sh
#
# debathena-thirdparty-installer 

GENLIST=/usr/lib/debathena-thirdparty/generate-package-list.pl
LISTDIR=/afs/athena.mit.edu/system/athena10/thirdparty
CACHEDIR=/var/lib/debathena-thirdparty
LOG=/var/log/athena-thirdparty
STATFILE=/var/lib/debathena-thirdparty/status
FLAGFILE=/var/lib/debathena-thirdparty/update_required

status=ok
statusmsg="Nothing to do"

complain() {
    status="error"
    statusmsg="$*"
}

whine() {
    status="warning"
    statusmsg="$*"
}
        
save_state() {
    rm -f $statfile
    echo "$status|$statusmsg" > $STATFILE
}  

save_success() {
    status="ok"
    statusmsg="$*"
}

finish() {
    echo "*Ending auto-update at $(date)"
    echo "-----"
    echo
    rm -f /var/run/athena-nologin
    save_state
    exit
}

should_install() {
    if apt-get -s install "$@" | egrep -q '^Remv debathena-(cluster|workstation|login-graphical|login|standard) '; then
        return 1
    else
        return 0
    fi
}
        



install() {
    if [ 0 != "$(id -u)" ]; then
        echo "Root privileges required for installation." >&2
        exit 1
    fi
    touch /var/run/athena-nologin
    exec 3>&1
    exec >> $LOG 2>&1
    trap finish EXIT
    echo "** Beginning thirdparty installation at $(date)"
    echo "Generating package list..."
    if ! /usr/lib/debathena-thirdparty/generate-package-list.pl -d "$LISTDIR" -c "$CACHEDIR"; then
        exit 1
    fi
    md5sum "${LISTDIR}/common" > "${CACHEDIR}/common.sum"
    md5sum "${LISTDIR}/$(lsb_release -sc)" > "${CACHEDIR}/$(lsb_release -sc).sum"
    export DEBIAN_FRONTEND=noninteractive
    echo "** Required package list:"
    cat "${CACHEDIR}/dependencies"
    echo "** Trying monolithic transaction..."
    if should_install $(cat ${CACHEDIR}/dependencies) &&
        apt-get -y install $(cat ${CACHEDIR}/dependencies); then
        echo "**Monolithic transaction succeeded"
    else
        echo "** Installing required packages one by one..."
        for pkg in $(cat "${CACHEDIR}/dependencies"); do
            echo "** Installing $pkg..."
            if ! should_install $pkg; then
                echo "** Installation of $pkg is IMPOSSIBLE"
                complain "Some required packages failed to install"
            else
                apt-get -y install $pkg
                if [ $? != 0 ]; then
                    echo "** Installation of $pkg FAILED"
                    complain "Some required packages failed to install"
                fi
            fi
        done
    fi
    echo "** Recommended package list:"
    cat "${CACHEDIR}/recommendations"
    echo "** Installing recommended packages..."
    for pkg in $(cat "${CACHEDIR}/recommendations"); do
        echo "** Installing $pkg..."
        if ! should_install $pkg; then
            echo "** Installation of $pkg is IMPOSSIBLE"
            whine "Some required packages failed to install"
        else
            apt-get -y install $pkg
            if [ $? != 0 ]; then
                echo "** Installation of $pkg FAILED"
                whine "Some recommended packages failed to install"
            fi
        fi
    done
    rm $FLAGFILE
    save_success "Packages installed ok"
}

case "$1" in 
    install)
        install
        ;;
    up-to-date)
        # If the package got upgraded, always do a reinstall
        [ -e "$FLAGFILE" ] && exit 1
        # If the files in AFS have changed, always do a reinstall
        [ "$(md5sum "${LISTDIR}/common")" != "$(cat "${CACHEDIR}/common.sum")" ] && exit 1
        [ "$(md5sum "${LISTDIR}/$(lsb_release -sc)")" != "$(cat "${CACHEDIR}/$(lsb_release -sc).sum")" ] && exit 1
        exit 0
        ;;
    *)
        echo "Usage: $0 [install | up-to-date]"
        exit 1
        ;;
esac
exit 0