saving uncommitted changes in /etc prior to emerge run

etckeeper/commit.d/30hg-addremove

@@ -0,0 +1,8 @@
+#!/bin/sh
+set -e
+
+if [ "$VCS" = hg ] && [ -d .hg ]; then
+	if ! hg addremove .; then
+		echo "etckeeper warning: hg addremove failed" >&2
+	fi
+fi