updates, especially for etiona

[distro-setup] / check-subvol-stale

diff --git a/check-subvol-stale b/check-subvol-stale
index d514bafa8ed22d047f751cb28a972f3724d0ea16..8e7d7547457a4e02f01efeaf4720f4a9bf9a699a 100644 (file)
--- a/check-subvol-stale
+++ b/check-subvol-stale
@@ -100,7 +100,7 @@ for d; do
     echo "$0: error could not find root subvol mount for $dev" >&2
     exit 1
   fi
-  svp=$root_dir/$subvol_dir
+  svp=$root_dir/$subvol_dir # subvolume path
   d "svp=$svp # subvolume path"
 
   snaps=($root_dir/btrbk/$subvol_dir.20*) # Assumes we are in the 21st century.
@@ -136,7 +136,8 @@ for d; do
       f=${s##*/}
       unix_time=$(date -d $(sed -r  's/(.{4})(..)(.{5})(..)(.*)/\1-\2-\3:\4:\5/' <<<${f#$vol.}) +%s)
       printf "%s %s\n" $unix_time $s
-    done | sort -r | head -n 1 | awk '{print $2}'
+      # sort will fail
+    done | sort -r | head -n 1 | awk '{print $2}' || [[ ${PIPESTATUS[1]} == 2 ]]
            )
   if [[ ! $last_snap ]]; then
     # should not happen.