#!/bin/bash

shopt -s nullglob

GIMPTOOL="@GIMPTOOL@"

GIMPPLUGINDIR="`"$GIMPTOOL" --gimpplugindir`"

EXITVAL=0

showhelp () {

	cat << EOF

Usage: gimp-plugin-mgr <mode> [<pluginname> [<pluginname> [...]]

Mode can be:

--install|-i:	install plugin(s)

--uninstall|-u:	uninstall plugin(s)

--help|-h:	show this message

EOF

}

install_uninstall () {

    local action="$1"

    shift

    local plugins="$@"

    pushd "$GIMPPLUGINDIR/plug-ins" >&/dev/null

    if [ "$plugins" == "*" ]; then

        pushd "/etc/gimp/plugins.d" >&/dev/null

        plugins=""

        for file in *; do

            plugins="$plugins ${file%.conf}"

        done

        popd >&/dev/null

    fi

	for plugin in $plugins; do

        PLUGINFILE=

        if [ ! -r "/etc/gimp/plugins.d/${plugin}.conf" ]; then

            echo "gimp-plugin-mgr: can't read /etc/gimp/plugins.d/${plugin}.conf" >&2

            EXITVAL=$(( $EXITVAL + 1 ))

            continue

        fi

        . "/etc/gimp/plugins.d/${plugin}.conf"

        case "$action" in

        install)

            if [ ! "$PLUGINFILE" ]; then

                echo "gimp-plugin-mgr: PLUGINFILE not defined for $plugin" >&2

                EXITVAL=$(( $EXITVAL + 1 ))

                continue

            fi

            ln -snf "$PLUGINFILE" "$GIMPPLUGINDIR/plug-ins/$plugin"

            ;;

        uninstall)

            if [ ! -L "$GIMPPLUGINDIR/plug-ins/$plugin" ]; then

                echo "gimp-plugin-mgr: $GIMPPLUGINDIR/plug-ins/$plugin not a symbolic link" >&2

                EXITVAL=$(( $EXITVAL + 1 ))

                continue

            fi

            rm -f "$plugin"

            ;;

        esac

	done

    popd >&/dev/null

}

case "$1" in

--install|-i)

    shift

	install_uninstall install "$@"

	;;

--uninstall|-u)

    shift

	install_uninstall uninstall "$@"

	;;

*)

	if [ "$1" != "--help" -a "$1" != "-h" ]; then

		EXITVAL=1

	fi

	showhelp

	;;

esac

exit $EXITVAL