From 309a951b93c2cd7db2ffb6524827718d81838134 Mon Sep 17 00:00:00 2001
From: squidfunk <martin.donath@squidfunk.com>
Date: Fri, 24 Feb 2017 19:04:55 +0100
Subject: [PATCH] Fixed parse errors in Travis pre-install script

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

diff --git a/.travis.yml b/.travis.yml
index 17dcfb943..8ef770fcd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -68,7 +68,7 @@ matrix:
         - docker
 
       # If we're not on a release branch, exit early and indicate success
-      before_install: "[[ $TRAVIS_BRANCH =~ ^[0-9.]+$ ]] && exit 0"
+      before_install: echo "$TRAVIS_BRANCH" | grep -qvE '^[0-9.]+$' && exit 0
 
       # Don't install anything, as we're only using the pre-built files
       install: ":"