diff --git a/elixir.spec b/elixir.spec
index d50c791..a726a18 100644
--- a/elixir.spec
+++ b/elixir.spec
@@ -16,6 +16,10 @@ BuildRequires:  git
 Requires:       erlang-erts >= R16B
 Requires:       erlang-inets
 
+# https://github.com/elixir-lang/elixir/commit/407427f627f7d07f6a6275978b9dc35c7f91a5fb
+# This just fixes a test that failed when it wasn't run from a git clone of Elixir.
+Patch0:         mix-test-nogit.patch
+
 %description
 Elixir is a programming language built on top of the Erlang VM.
 As Erlang, it is a functional language built to support distributed,
@@ -23,6 +27,7 @@ fault-tolerant, non-stop applications with hot code swapping.
 
 %prep
 %setup -q
+%patch0 -p1
 rm rebar
 sed -i '/REBAR := /d' Makefile
 sed -i '1i REBAR := "$(shell which rebar || echo `pwd`/rebar)"' Makefile
diff --git a/mix-test-nogit.patch b/mix-test-nogit.patch
new file mode 100644
index 0000000..c995edf
--- /dev/null
+++ b/mix-test-nogit.patch
@@ -0,0 +1,17 @@
+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