Introduce $gtk_iconcache_dirs to fix the gtk-icon-cache trigger.

--HG--
extra : convert_revision : 1be7864a5554fd3779092adcdf1e9410be5d55a9

triggers/gtk-icon-cache

@@ -9,7 +9,6 @@
 #
 trigger="gtk-icon-cache"
 iconcache_bin=./usr/bin/gtk-update-icon-cache
-iconcache_dir=./usr/share/icons/hicolor
 
 case "$1" in
 targets)
@@ -20,10 +19,18 @@ run)
 
 	case "$2" in
 	post-*)
-		if [ -x ${iconcache_bin} ]; then
-			echo "Updating GTK's icon cache themes..."
-			${iconcache_bin} -f -t ${iconcache_dir}
-		fi
+		for dir in ${gtk_iconcache_dirs}; do
+			if [ -f ${dir}/icon-theme.cache ]; then
+				rm -f ${dir}/icon-theme.cache
+				echo "Removed GTK+ icon theme cache for ${dir}."
+			fi
+			if [ -x ${iconcache_bin} ]; then
+				echo -n "Updating GTK+ icon cache for "
+				echo -n "${dir}... "
+				${iconcache_bin} -q -f -t ${dir}
+				echo "done."
+			fi
+		done
 		;;
 	esac
 	;;