php GenerateData.php
## Prune local data
-$MYSQLCMD -e "DROP TABLE zipcodes; DROP TABLE IF EXISTS civicrm_install_canary; DELETE FROM civicrm_extension; DELETE FROM civicrm_cache; DELETE FROM civicrm_setting;"
+$MYSQLCMD -e "DROP TABLE zipcodes; DROP TABLE IF EXISTS civicrm_install_canary; DELETE FROM civicrm_cache; DELETE FROM civicrm_setting;"
+$MYSQLCMD -e "DELETE FROM civicrm_extension WHERE full_name NOT IN ('sequentialcreditnotes');"
TABLENAMES=$( echo "show tables like 'civicrm_%'" | $MYSQLCMD | grep ^civicrm_ | xargs )
cd $CIVISOURCEDIR/sql