Got dual-mount of the noop/real filesystems working, made all apps aware of it, broke out the initialization logic into disco-fs-init so you can mount/unmount as much as you want, but the time consuming init process won't be repeated unless you ask

client/bin/disco-sh-shell

@@ -1,6 +1,10 @@
 #!/bin/bash
 
-DISCOROOT=/var/disco/testfs
+if [ "$NOOP" != "" ]; then
+    DISCOROOT=/var/disco/testfs/noop
+else
+    DISCOROOT=/var/disco/testfs/real
+fi
 
 mount | grep $DISCOROOT >/dev/null 2>&1
 if [ $? -ne 0 ]; then
@@ -9,7 +13,8 @@ if [ $? -ne 0 ]; then
 fi
 
 if [ "$NOOP" != "" ]; then
-    chroot ${DISCOROOT}/chroot /bin/env PATH=${DISCOROOT}/restricted/bin /bin/bash --login --restricted $@
+    #chroot ${DISCOROOT}/chroot /bin/env PATH=${DISCOROOT}/restricted/bin:${DISCOROOT}/munge/mungebin /bin/bash --login --restricted $@
+    chroot ${DISCOROOT}/chroot //bin/bash --login --restricted $@
 else
     chroot ${DISCOROOT}/chroot /bin/bash --login $@
 fi