skip couchdb backup if seq id is ureadable

plugins/localdump/couchdb2.sh

@@ -4,7 +4,11 @@
 # LOCALDUMP :: COUCHDB2 - using nodejs tools couchbackup and couchrestore
 # https://github.com/cloudant/couchbackup
 #
-# creates gzipped plain text backups (JSON) from each scheme
+# Backup:
+# - creates gzipped plain text backups (JSON) from each scheme
+# - write sequence id into a text file
+# - store extra file with security infos
+# - latest backup set is written to archive
 #
 # --------------------------------------------------------------------------------
 # ah - Axel Hahn <axel.hahn@iml.unibe.ch>
@@ -22,6 +26,7 @@
 # 2022-04-21         v1.7  restore security infos
 # 2022-10-07  ah     v1.8  unescape regex with space to prevent "grep: warning: stray \ before white space"
 # 2023-06-06  ah     v1.9  show a warning if the sequence id was not fetched
+# 2023-06-12  ah     v1.10 skip couchdb dump if no sequence id was detected (=db deleted since fetching list of all dbs)
 # ================================================================================
 
 if [ -z "$BACKUP_TARGETDIR" ]; then
@@ -223,7 +228,6 @@ function _doBackupOfSingleInstance(){
         echo "WARNING: unable to fetch current sequence ID - maybe the database was deleted."
       else
         echo
-      fi
         echo "update_seq --+-- current [${sSequenceCurrent}]" 
         echo "             +-- backup  [${sSequenceLast}]"
         echo -n "Need to backup ... "
@@ -247,7 +251,8 @@ function _doBackupOfSingleInstance(){
         fi
         ls -l "$OUTFILE"*
         echo
-    fi
+      fi # if [ -z "$sSequenceCurrent" ]; then
+    fi # if [ "${sSequenceCurrent}" = "${sSequenceLast}" ] ...
   done
   rm -f "$dblist"
   echo "__DB__$SERVICENAME backup INFO: ${COUCHDB_INSTANCE} - backed up $iDbCount dbs of $iDbTotal total"