From b84eed36342b932b0cd0b7f0dfca4e7fcd8f4d3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eric=20Meadows-J=C3=B6nsson?=
 <eric.meadows.jonsson@gmail.com>
Date: Wed, 2 Dec 2015 22:42:25 +0100
Subject: [PATCH] Support non rebar tools evaluating script

---
 rebar.config.script | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/rebar.config.script b/rebar.config.script
index de2e595..238ae2d 100644
--- a/rebar.config.script
+++ b/rebar.config.script
@@ -1,8 +1,11 @@
-{ok, VSN} = application:get_key(rebar, vsn),
-[VSN1 | _] = string:tokens(VSN, "-"),
-[Maj, Min, Patch] = string:tokens(VSN1, "."),
-IsRebar3 = (list_to_integer(Maj) >= 3),
-
+IsRebar3 = case application:get_key(rebar, vsn) of
+               {ok, VSN} ->
+                   [VSN1 | _] = string:tokens(VSN, "-"),
+                   [Maj, Min, Patch] = string:tokens(VSN1, "."),
+                   (list_to_integer(Maj) >= 3);
+               undefined ->
+                   false
+           end,
 
 Rebar2Deps = [
               {cf, ".*", {git, "https://github.com/project-fifo/cf", {tag, "0.2.0"}}}