tweak

Author: bobzhang

rescript

@@ -14,7 +14,9 @@ var bsconfig = "bsconfig.json";
 var bsb_exe = path.join(__dirname, process.platform, "rescript.exe");
 
 var LAST_SUCCESS_BUILD_STAMP = 0;
-process.env.BSB_PROJECT_ROOT = process.cwd();
+var cwd = process.cwd();
+var lockFileName = path.join(cwd, ".bsb.lock");
+process.env.BSB_PROJECT_ROOT = cwd ;
 // console.log('BSB_PROJECT_ROOT:', process.env.BSB_PROJECT_ROOT)
 
 // All clients of type MiniWebSocket
@@ -216,8 +218,7 @@ if (
       setUpWebSocket();
     }
     // for column one based error message
-    var cwd = process.cwd();
-    var lockFileName = path.join(cwd, ".bsb.lock");
+    
     /**
      * @type {[string,string][]}
      */