#!/bin/sh -x set -e mkdir -p 1/a exec 3<> 1/a/file1 echo -n a >&3 mkdir 1/.snap/s1 echo -n b >&3 mkdir 2 # create new snaprealm at dir a, file1's cap should be attached to the new snaprealm mv 1/a 2 mkdir 2/.snap/s2 echo -n c >&3 exec 3>&- grep '^a$' 1/.snap/s1/a/file1 grep '^ab$' 2/.snap/s2/a/file1 grep '^abc$' 2/a/file1 rmdir 1/.snap/s1 rmdir 2/.snap/s2 rm -rf 1 2 echo OK