From eb386352f5023717f0488224d24d868a034f9e6b Mon Sep 17 00:00:00 2001
From: Tom Parker-Shemilt <palfrey@tevp.net>
Date: Sun, 26 Apr 2020 15:47:18 +0100
Subject: [PATCH] Don't install sccache if already installed

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

diff --git a/.travis.yml b/.travis.yml
index 10ee3af..2a6b936 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: rust
-before_script: cargo install sccache
+before_script: sccache --version || cargo install sccache
 script: RUSTC_WRAPPER=sccache cargo run
 
 env: