Skip readonly ZFS properties during zfs clone operation.

beadm

@@ -1,6 +1,6 @@
 #!/bin/sh -e
 
-# Copyright (c) 2012-2020 Slawomir Wojciech Wojtczak (vermaden)
+# Copyright (c) 2012-2022 Slawomir Wojciech Wojtczak (vermaden)
 # Copyright (c) 2012-2013 Bryan Drewery (bdrewery)
 # Copyright (c) 2012-2013 Mike Clarke (rawthey)
 # Copyright (c) 2013      Dancho Penev (dpslavov)
@@ -50,7 +50,7 @@ then
   echo "  /  /  //  ___//  /  //  /  //  /  /  /\ \ /  /  // /  "
   echo "  \____/ \____/ \_____\\\____//__/__/__/  \_\\\____//_/ "
   echo
-  echo "beadm 1.3.5 2022/05/06"
+  echo "beadm 1.3.6 2022/06/01"
   echo
   exit 0
 fi
@@ -244,13 +244,20 @@ __be_new() { # 1=SOURCE 2=TARGET
         local OPTS=""
         while read NAME PROPERTY VALUE
         do
-          if [ "${VALUE}" != "" ]
-          then
-            local OPTS="-o ${PROPERTY}=\"${VALUE}\" ${OPTS}"
-          else
-            local OPTS=""
-            break
-          fi
+          case ${PROPERTY} in
+            (snapshot_count|filesystem_count)
+              # read only property - skip it
+              ;;
+            (*)
+              if [ "${VALUE}" != "" ]
+              then
+                local OPTS="-o ${PROPERTY}=\"${VALUE}\" ${OPTS}"
+              else
+                local OPTS=""
+                break
+              fi
+              ;;
+          esac
         done << EOF
 $( zfs get -o name,property,value -s local,received -H all ${FS} | awk '!/[\t ]canmount[\t ]/' )
 EOF