1 files changed, 37 insertions, 26 deletions
diff --git a/lib/fetchGitData.js b/lib/fetchGitData.js
index 5f3e582..a5a8eb8 100644
--- a/lib/fetchGitData.js
+++ b/lib/fetchGitData.js
@@ -2,31 +2,42 @@ var exec = require("exec-sync");
 
 var fetchGitData = function(git) {
 
-  var i,
-      execGit = true,
-      head = {
-        "author_name": {
-          "format": "'%aN'",
-          "default": "Unknown Author"
-        },
-        "author_email": {
-          "format": "'%ae'",
-          "default": ""
-        },
-        "committer_name": {
-          "format": "'%cN'",
-          "default": "Unknown Committer"
-        },
-        "committer_email": {
-          "format": "'%ce'",
-          "default" :""
-        },
-        "message": {
-          "format": "'%s'",
-          "default": "Unknown Commit Message"
-        }
-      },
-      remotes = {};
+  var i;
+  var execGit = true;
+  var head = {
+    "author_name": {
+      "format": "'%aN'",
+      "default": "Unknown Author"
+    },
+    "author_email": {
+      "format": "'%ae'",
+      "default": ""
+    },
+    "committer_name": {
+      "format": "'%cN'",
+      "default": "Unknown Committer"
+    },
+    "committer_email": {
+      "format": "'%ce'",
+      "default" :""
+    },
+    "message": {
+      "format": "'%s'",
+      "default": "Unknown Commit Message"
+    }
+  };
+  var remotes = {};
+
+  //-- Throw an error if no data is passed
+  if ('undefined' === typeof git) {
+    throw new Error('No options passed');
+
+  //-- Throw an error if no head or head.id is provided
+  } else if (!git.hasOwnProperty('head')) {
+    throw new Error('You must provide the head');
+  } else if (!git.head.hasOwnProperty('id')) {
+    throw new Error('You must provide the head.id');
+  }
 
   function saveRemote(name, url, push) {
     var key = name + "-" + url;
@@ -87,7 +98,7 @@ var fetchGitData = function(git) {
   if (execGit) {
 
     //-- Branch
-    if ("" === git.branch.length) {
+    if ("" === git.branch) {
       git.branch = exec("git branch").split("\n")[0].replace(/^\*\ /, "").trim();
     }