if [[ -z ${UNSHARE} ]] ; then
mount_args=
if type -P unshare >&/dev/null ; then
- test_arg() { unshare "$@" -- true >&/dev/null && uargs+=( "$@" ); }
+ test_arg() { unshare "$@" -- true >&/dev/null && uargs+=( "$@" ) || :; }
uargs=( -m )
test_arg -u
test_arg -i