+if [ "$(id -u)" != '0' ]; then
+ msgmsg 'No clean if lock can not be acquired'
+ touch rootdir/var/cache/apt/archives/foo_4_all.deb
+ touch rootdir/var/cache/apt/archives/lock
+ chmod 444 rootdir/var/cache/apt/archives/lock
+ testfailure apt clean
+ testsuccess test -e rootdir/var/cache/apt/archives/foo_4_all.deb
+ chmod 644 rootdir/var/cache/apt/archives/lock
+fi
+