Split out resume handling into its own hook.

modules.d/95resume/install

@@ -0,0 +1,4 @@
+#!/bin/bash
+inst_hook pre-udev 10 "$moddir/parse-resume.sh"
+inst_hook mount 90 "$moddir/resume.sh"
+

modules.d/95resume/parse-resume.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+if resume=$(getarg resume=) && ! getarg noresume; then 
+    export resume
+    echo "$resume" >/.resume
+else
+    unset resume
+fi