Fixed test and made repo blob method return a promise

Carson Howard · cjhoward92 · commit d7eff48e14de · 2017-08-16T07:45:51.000-07:00
diff --git a/lib/repository.js b/lib/repository.js
@@ -511,8 +511,8 @@ Repository.prototype.createBranch = function(name, commit, force) {
  * @param {Buffer} buffer
  * @return {Oid}
  */
-Repository.prototype.createBlobFromBuffer = function(buffer, callback) {
-  return Blob.createFromBuffer(this, buffer, buffer.length, callback);
+Repository.prototype.createBlobFromBuffer = function(buffer) {
+  return Blob.createFromBuffer(this, buffer, buffer.length);
 };
 
 /**
@@ -1784,9 +1784,9 @@ Repository.prototype.stageLines =
     .then(function(newContent) {
       var newContentBuffer = new Buffer(newContent);
 
-      var newOid = repo.createBlobFromBuffer(newContentBuffer);
-      return repo.getBlob(newOid);
+      return repo.createBlobFromBuffer(newContentBuffer);
     })
+    .then(newOid => repo.getBlob(newOid))
     .then(function(newBlob) {
       var entry = index.getByPath(filePath, 0);
       entry.id = newBlob.id();
