minor fix

diff --git a/mount-latest-subvol b/mount-latest-subvol
index eb682f4eebf54212768eb03c0c0a07e4f6114879..1f4229e5a9095f5bb28751e16ae12e2dcd1f63b2 100644 (file)
--- a/mount-latest-subvol
+++ b/mount-latest-subvol
@@ -24,6 +24,7 @@ cd /
 [[ $EUID == 0 ]] || exec sudo -E "$this_file" "$@"
 
 set -e; . /usr/local/lib/bash-bear; set +e
+shopt -s nullglob
 
 usage() {
   cat <<EOF
@@ -176,7 +177,11 @@ done
 if (( $# )); then
   all_vols=( "$@" )
 else
-  all_vols=(q a o i ar qd qr)
+  all_vols=(q a o i qd qr)
+  ar_snaps=(/mnt/root/btrbk/ar.*)
+  if [[ -e /mnt/root/ar ]] || (( ${#ar_snaps[@]} > 0 )); then
+    all_vols+=(ar)
+  fi
 fi
 
 ##### end command line parsing ########
@@ -237,7 +242,6 @@ fstab <<EOF
 $crypt_dev  /a  btrfs  noatime,subvol=a$mopts  0 0
 EOF
 
-shopt -s nullglob
 
 # ssh and probably some other things care about parent directory
 # ownership, and ssh doesn\'t allow any group writable parent