source: trunk/debathena/debathena/thirdparty/debian/thirdparty @ 25845

#!/bin/sh
#
# debathena-thirdparty "installer"
#
# Consider "set -e" at some point

LISTDIR=/var/lib/debathena-thirdparty
LOG=/var/log/athena-thirdparty
STATFILE=/var/lib/debathena-thirdparty/status
FLAGFILE=/var/lib/debathena-thirdparty/update_required
NOLOGIN=/var/run/athena-nologin

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 thirdparty installation at $(date)"
    echo "-----"
    echo
    rm -f $NOLOGIN
    save_state
    exit
}

should_install() {
    # Removing any debathena package is not allowed.
    if apt-get -s install "$@" | egrep -q '^Remv debathena-'; then
        return 1
    else
        return 0
    fi
}

install() {
    if [ "0" != "$(id -u)" ]; then
        echo "Root privileges required for installation." >&2
        exit 1
    fi
    touch $NOLOGIN
    exec 3>&1
    exec >> $LOG 2>&1
    trap finish EXIT
    echo "** Beginning thirdparty installation at $(date)"
    export DEBIAN_FRONTEND=noninteractive
    echo "** Required package list:"
    cat "${LISTDIR}/dependencies"
    echo "** Trying monolithic transaction..."
    if should_install $(cat ${LISTDIR}/dependencies); then
        echo "** Simulation successful, continuing..."
        if apt-get -y install $(cat ${LISTDIR}/dependencies); then
            echo "** Monolithic transaction succeeded."
        else
            echo "** Monolitic transaction failed (shouldn't happen)"
        fi
    else
        echo "** Simulation unsuccessful (would remove debathena packages)"
        echo "** Installing required packages one by one..."
        for pkg in $(cat "${LISTDIR}/dependencies"); do
            echo "** Installing $pkg..."
            if ! should_install $pkg; then
                echo "** Installation of $pkg is IMPOSSIBLE"
                complain "Some required packages are impossible to install"
            else
                apt-get -y install $pkg
                if [ $? != 0 ]; then
                    echo "** Installation of $pkg FAILED"
                    complain "Some required packages failed to install"
                fi
            fi
        done
    fi
    echo "** Recommended package list:"
    cat "${LISTDIR}/recommendations"
    echo "** Installing recommended packages..."
    for pkg in $(cat "${LISTDIR}/recommendations"); do
        echo "** Installing $pkg..."
        if ! should_install $pkg; then
            echo "** Installation of $pkg is IMPOSSIBLE"
            whine "Some optional packages are impossible to install"
        else
            apt-get -y install $pkg
            if [ $? != 0 ]; then
                echo "** Installation of $pkg FAILED"
                whine "Some optional packages failed to install"
            fi
        fi
    done
    rm $FLAGFILE
    save_success "Packages installed ok"
}

case "$1" in 
    install)
        install
        ;;
    up-to-date)
        [ -e "$FLAGFILE" ] && exit 1
        exit 0
        ;;
    *)
        echo "Usage: $0 [install | up-to-date]"
        exit 1
        ;;
esac
exit 0