Check spark commands only when ENABLE_SPARK is true and fix the last …

…print

linkis-dist/bin/checkEnv.sh

@@ -169,12 +169,6 @@ echo "check hdfs"
 need_cmd hdfs
 echo "check shell"
 need_cmd $SHELL
-echo "check spark-submit"
-need_cmd spark-submit
-echo "check spark-shell"
-need_cmd spark-shell
-echo "check spark-sql"
-need_cmd spark-sql
 echo "check hadoop"
 need_cmd hadoop
 
@@ -187,6 +181,12 @@ checkPythonAndJava
 checkMysql
 
 if [ "$ENABLE_SPARK" == "true" ]; then
+  echo "check spark-submit"
+  need_cmd spark-submit
+  echo "check spark-shell"
+  need_cmd spark-shell
+  echo "check spark-sql"
+  need_cmd spark-sql
   checkSpark
 fi
 
@@ -227,4 +227,4 @@ if [ "$portIsOccupy" = true ];then
   exit 1
 fi
 
-echo "\n <-----End to check service Port---->"
+echo -e "\n<-----End to check service Port---->"