galera SST scripts: moving mysqldump-specific code out of the wsrep_sst_common

scripts/wsrep_sst_common.sh

@@ -865,19 +865,6 @@ readonly WSREP_SST_OPT_ADDR_PORT
 script_binary=$(dirname "$0")
 SCRIPTS_DIR=$(cd "$script_binary"; pwd)
 EXTRA_DIR="$SCRIPTS_DIR/../extra"
-CLIENT_DIR="$SCRIPTS_DIR/../client"
-
-if [ -x "$CLIENT_DIR/mysql" ]; then
-    MYSQL_CLIENT="$CLIENT_DIR/mysql"
-else
-    MYSQL_CLIENT=$(commandex 'mysql')
-fi
-
-if [ -x "$CLIENT_DIR/mysqldump" ]; then
-    MYSQLDUMP="$CLIENT_DIR/mysqldump"
-else
-    MYSQLDUMP=$(commandex 'mysqldump')
-fi
 
 if [ -x "$SCRIPTS_DIR/my_print_defaults" ]; then
     MY_PRINT_DEFAULTS="$SCRIPTS_DIR/my_print_defaults"

scripts/wsrep_sst_mysqldump.sh

@@ -23,6 +23,20 @@ set -ue
 
 . $(dirname "$0")/wsrep_sst_common
 
+CLIENT_DIR="$SCRIPTS_DIR/../client"
+
+if [ -x "$CLIENT_DIR/mysql" ]; then
+    MYSQL_CLIENT="$CLIENT_DIR/mysql"
+else
+    MYSQL_CLIENT=$(commandex 'mysql')
+fi
+
+if [ -x "$CLIENT_DIR/mysqldump" ]; then
+    MYSQLDUMP="$CLIENT_DIR/mysqldump"
+else
+    MYSQLDUMP=$(commandex 'mysqldump')
+fi
+
 wait_previous_sst
 
 EINVAL=22
@@ -37,7 +51,8 @@ if is_local_ip "$WSREP_SST_OPT_HOST_UNESCAPED" && \
    [ "$WSREP_SST_OPT_PORT" = "$WSREP_SST_OPT_LPORT" ]
 then
     wsrep_log_error \
-    "destination address '$WSREP_SST_OPT_HOST:$WSREP_SST_OPT_PORT' matches source address."
+        "destination address '$WSREP_SST_OPT_HOST:$WSREP_SST_OPT_PORT'" \
+        "matches source address."
     exit $EINVAL
 fi