From a2528a09e43e27f03dcf1bc14b2cb94d79c1d2b3 Mon Sep 17 00:00:00 2001
From: sentientwaffle <sentientwaffle@gmail.com>
Date: Fri, 17 Feb 2012 07:46:08 -0700
Subject: [PATCH] allow Repo#diff to receive commit shas

---
 src/repo.coffee | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/repo.coffee b/src/repo.coffee
index 0efc4bd..0b122cf 100644
--- a/src/repo.coffee
+++ b/src/repo.coffee
@@ -62,14 +62,16 @@ module.exports = class Repo
   
   # Public: Get the difference between the trees.
   # 
-  # commitA  - A Commit.
-  # commitB  - A Commit.
+  # commitA  - A Commit or String commit id.
+  # commitB  - A Commit or String commit id.
   # paths    - A list of String paths to restrict the difference to (optional).
   # callback - A Function which receives `(err, diffs)`.
   # 
   diff: (commitA, commitB, paths, callback) ->
     [callback, paths] = [paths, callback] if !callback
     paths ?= []
+    commitA = commitA.id if _.isObject(commitA)
+    commitB = commitB.id if _.isObject(commitB)
     @git "diff", {}, _.flatten([commitA, commitB, "--", paths])
     , (err, stdout, stderr) =>
       return callback err if err