--- etckeeper/etckeeper.orig	2015-03-14 18:24:26.000000000 +0100
+++ etckeeper/etckeeper	2015-04-07 00:54:26.014557154 +0200
@@ -1,6 +1,10 @@
 #!/bin/sh
 set -e
 
+if [ -z "$ETCKEEPER_LIB_DIR" ]; then
+	ETCKEEPER_LIB_DIR=/lib/etckeeper
+fi
+
 if [ -z "$ETCKEEPER_CONF_DIR" ]; then
 	ETCKEEPER_CONF_DIR=/etc/etckeeper
 fi
@@ -84,8 +88,8 @@
 	command=pre-install
 fi
 
-if [ ! -d "$ETCKEEPER_CONF_DIR/$command.d" ]; then
-	echo "etckeeper: $ETCKEEPER_CONF_DIR/$command.d does not exist" >&2
+if [ ! -d "$ETCKEEPER_LIB_DIR/$command.d" ] && [ ! -d "$ETCKEEPER_CONF_DIR/$command.d" ]; then
+	echo "etckeeper: "$ETCKEEPER_LIB_DIR/$command.d" nor $ETCKEEPER_CONF_DIR/$command.d does not exist" >&2
 	exit 1
 fi
 
@@ -122,13 +126,14 @@
 
 lsscripts() {
 	LANG=C perl -e '
-		$dir=shift;
+		for $dir (@ARGV) {
 		print join "\n", grep { ! -d $_ && -x $_ }
 			grep /^\Q$dir\/\E[-a-zA-Z0-9]+$/,
 			glob "$dir/*";
-	' "$1"
+		}
+	' "$@"
 }
 
-for script in $(lsscripts "$ETCKEEPER_CONF_DIR/$command.d"); do
+for script in $(lsscripts "$ETCKEEPER_LIB_DIR/$command.d" "$ETCKEEPER_CONF_DIR/$command.d"); do
 	"$script" "$@"
 done