Update triggers to use passed args, use /bin/sh -e.

Bump xbps-base-files to 0.30.

--HG--
extra : convert_revision : 6158c0bed798e097ba75c902a0be2498e3361e02

xbps-src/triggers/gtk-pixbuf-loaders

@@ -1,25 +1,32 @@
-#!/bin/sh
+#!/bin/sh -e
 #
 # Updates GTK+ gdk pixbuf modules file with gdk-pixbuf-query-loaders(1).
 #
-# Arguments:	$1 = action [run/targets]
-#		$2 = target [post-install/post-remove]
-#		$3 = pkgname
-#		$4 = version
+# Arguments:	$ACTION = [run/targets]
+#		$TARGET = [post-install/post-remove]
+#		$PKGNAME
+#		$VERSION
+#		$UPDATE = [yes/no]
 #
+ACTION="$1"
+TARGET="$2"
+PKGNAME="$3"
+VERSION="$4"
+UPDATE="$5"
+
 pixbuf_bin=usr/bin/gdk-pixbuf-query-loaders
 pixbuf_loaders=etc/gtk-2.0/gdk-pixbuf.loaders
 
-case "$1" in
+case "$ACTION" in
 targets)
 	echo "post-install post-remove"
 	;;
 run)
-	if [ "$2" = "post-remove" -a "${PKGNAME}" = "gtk+" ]; then
+	if [ "$TARGET" = "post-remove" -a "${PKGNAME}" = "gtk+" ]; then
 		[ -f ${pixbuf_loaders} ] && rm -f ${pixbuf_loaders}
 		break
 	fi
-	case "$2" in
+	case "$TARGET" in
 	post-*)
 		if [ -x ${pixbuf_bin} ]; then
 			echo "Updating GTK's pixbuf modules file..."