From 102d57a36da9e69867105ed8dd32d11a2a672ec6 Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Wed, 22 Mar 2017 23:17:32 +0000
Subject: [PATCH] travis: don't clone shelltestrunner again if it has been
 cached once

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 01a7828b2..478a16d7b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -82,7 +82,7 @@ install: # ignores command failures, completed commands are collapsed in log
   - stack build Chart Chart-diagrams colour Diff here
 
   # shelltestrunner, need unreleased installable version
-  - git clone http://github.com/simonmichael/shelltestrunner
+  - [ -d shelltestrunner ] || git clone http://github.com/simonmichael/shelltestrunner
   - stack install --stack-yaml=shelltestrunner/stack.yaml --resolver=lts-8.2 --install-ghc
   - shelltest --version