fixed check equal

Author: likexian

.githooks/pre-commit

@@ -12,26 +12,26 @@ if [ $? -ne 0 ]; then
     exit 1
 fi
 
-make website-lint
+printf "==> Generating docs for tencentcloud provider...\n"
+doc=`make doc 2>&1`
 if [ $? -ne 0 ]; then
+    echo "$doc"| tail -n 4|head -n 2
     printf "COMMIT FAILED\n"
     exit 1
 fi
 
-printf "==> Generating docs for tencentcloud provider...\n"
-doc=`make doc 2>&1`
+make website-lint
 if [ $? -ne 0 ]; then
-    echo "$doc"| tail -n 4|head -n 2
     printf "COMMIT FAILED\n"
     exit 1
 fi
 
 diff=`git diff --name-only website/docs/`
-if [ $diff != "" ]; then
-    printf "There are docs updated when checking, git add it first.\n"
+if [ "$diff" != "" ]; then
+    printf "There are docs updated when checking, 'git add' it first.\n"
     printf "COMMIT FAILED\n"
     exit 1
 fi
 
-printf "COMMIT SUCCEEDED\n"
+printf "COMMIT READY\n"
 exit 0