merge 036, everything broken

container-runtime/rmcontainer.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -e
+
+rootfs=$1
+if [ -z "$rootfs" ]; then
+    >&2 echo "usage: $0 <container rootfs path>"
+    exit 1
+fi
+
+umount --recursive $rootfs
+rm -rf $rootfs/..