restore_nextcloud.sh: some changes in error handling.

restore_nextcloud.sh

@@ -615,7 +615,7 @@ if [[ "$DATABASE_TYPE" = 'mysql' ]]; then
       if $_failed ; then
 
          echo_failed
-         error "$(cat $log_file)"
+         error "\n\n$(cat $log_file)"
 
          if [[ ${#_tables_not_deleted[@]} -gt 0 ]] ; then
             echo ""
@@ -625,6 +625,18 @@ if [[ "$DATABASE_TYPE" = 'mysql' ]]; then
             done
             echo ""
          fi
+
+
+         echononl "continue anyway [yes/no]: "
+         read OK
+         OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+         while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+            echononl "Wrong entry! - repeat [yes/no]: "
+            read OK
+         done
+         [[ $OK = "yes" ]] || fatal "Abbruch durch User"
+         blank_line
+
          else
             echo_ok
          fi