#!/bin/sh
set -e

run_vlc_cache_gen() {
    if ! test -d /usr/lib/x86_64-linux-gnu/vlc/plugins
    then
        return
    fi
    files=`find /usr/lib/x86_64-linux-gnu/vlc/plugins -name '*.so' -type f -print -quit`
    if test -n "$files"
    then
        # run vlc-cache-gen since there are plugins
        if ! /usr/lib/x86_64-linux-gnu/vlc/vlc-cache-gen /usr/lib/x86_64-linux-gnu/vlc/plugins 2>&1
        then
            echo "WARNING: Regenerating VLC plugin cache failed."
            echo "Please run '/usr/lib/x86_64-linux-gnu/vlc/vlc-cache-gen /usr/lib/x86_64-linux-gnu/vlc/plugins' manually."
        fi
    else
        # no plugins, so remove plugins.dat
        rm -f /usr/lib/x86_64-linux-gnu/vlc/plugins/plugins.dat
    fi
}

case "$1" in
    triggered)
        run_vlc_cache_gen
        exit 0
        ;;
    configure)
        dpkg-trigger /usr/lib/x86_64-linux-gnu/vlc/plugins
        ;;
esac