diff --git a/lib/mix/lib/mix/scm/git.ex b/lib/mix/lib/mix/scm/git.ex

index f67086f..47881b5 100644

--- a/lib/mix/lib/mix/scm/git.ex

+++ b/lib/mix/lib/mix/scm/git.ex

@@ -143,9 +143,10 @@ defmodule Mix.SCM.Git do

   end

   defp get_rev_info do

-    [origin, rev] = System.cmd('git config remote.origin.url && git rev-parse --verify --quiet HEAD')

-                    |> iolist_to_binary

-                    |> String.split("\n", trim: true)

+    destructure [origin, rev],

+      System.cmd('git config remote.origin.url && git rev-parse --verify --quiet HEAD')

+      |> iolist_to_binary

+      |> String.split("\n", trim: true)

     [ origin: origin, rev: rev ]

   end