Merge pull request #865 from grooverdan/MDEV-17173-wsrep_sst

MDEV-17173: correct parsing of 12.13.14.15:4444/xtrabackup_sst leavin…

Author: Jan Lindström

scripts/wsrep_sst_common.sh

@@ -57,9 +57,18 @@ case "$1" in
         readonly WSREP_SST_OPT_MODULE=${remain%%/*}
         readonly WSREP_SST_OPT_PATH=${WSREP_SST_OPT_ADDR#*/}
         remain=${WSREP_SST_OPT_PATH#*/}
-        readonly WSREP_SST_OPT_LSN=${remain%%/*}
-        remain=${remain#*/}
-        readonly WSREP_SST_OPT_SST_VER=${remain%%/*}
+        if [ "$remain" != "${WSREP_SST_OPT_PATH}" ]; then
+            readonly WSREP_SST_OPT_LSN=${remain%%/*}
+            remain=${remain#*/}
+            if [ "$remain" != "${WSREP_SST_OPT_LSN}" ]; then
+                readonly WSREP_SST_OPT_SST_VER=${remain%%/*}
+            else
+                readonly WSREP_SST_OPT_SST_VER=""
+            fi
+        else
+            readonly WSREP_SST_OPT_LSN=""
+            readonly WSREP_SST_OPT_SST_VER=""
+        fi
         shift
         ;;
     '--bypass')