powershell mod to Jenkinsfile

Jenkinsfile

@@ -53,13 +53,15 @@ node('windows') {
 
   stage 'Build'
 
-    try{
-      bat 'powershell ./rebuild.ps1 > ./debug'
-    } catch(error) {
-      def error_details = readFile('./debug');
-      def message = "BUILD ERROR: There was a problem building ${imagename}:${tag}. \n\n ${error_details}"
-      bat "powershell (Remove-Item -Force ./debug)"
-      handleError(message)
+      def status = powershell(returnStatus: true, script: './rebuild.ps1 > ./debug')
+      if (status == 0) {
+	    echo "build success"
+	  } else {
+        def error_details = readFile('./debug');
+        def message = "BUILD ERROR: There was a problem building ${imagename}:${tag}. \n\n ${error_details}"
+        handleError(message)
+        powershell(returnStatus: true, script: 'Remove-Item -Force ./debug')
+	  }
     }
 
 //  stage 'Test'