add -X s3 to disable uploading to s3 (#84)

Author: Steve Peak

lib/codecov.js

@@ -382,21 +382,27 @@ var upload = function(args, on_success, on_failure){
 
     } else {
       console.log('==> Uploading reports');
-      sendToCodecovV3(codecov_endpoint, query, upload,
-                      function(){
-                        // remove files after Uploading
-                        if (args.options.clear) {
-                          for (var i = files.length - 1; i >= 0; i--) {
-                            try {
-                              fs.unlinkSync(files[i]);
-                            } catch (e) {}
-                          }
-                        }
-                        if (on_success) {
-                          on_success.apply(this, arguments);
-                        }
-                      },
-                      on_failure || function(){});
+      var _upload;
+      if ((args.options.disable || '').split(',').indexOf('s3') === -1) {
+        _upload = sendToCodecovV3;
+      } else {
+        _upload = sendToCodecovV2;
+      }
+      _upload(codecov_endpoint, query, upload,
+              function(){
+                // remove files after Uploading
+                if (args.options.clear) {
+                  for (var i = files.length - 1; i >= 0; i--) {
+                    try {
+                      fs.unlinkSync(files[i]);
+                    } catch (e) {}
+                  }
+                }
+                if (on_success) {
+                  on_success.apply(this, arguments);
+                }
+              },
+              on_failure || function(){});
     }
   }