From 2206876f133284e249dacb8332a4a671dc62a1b3 Mon Sep 17 00:00:00 2001
From: Yifan Gao <git@yfgao.com>
Date: Wed, 1 Jan 2020 12:59:25 +0800
Subject: [PATCH] TravisCI: enable cargo cache

---
 .travis.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 0eda9047..583fc583 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,11 +8,12 @@ addons:
 services:
     - docker
 language: rust
+cache: cargo
 env:
   global:
   - BGPTOOLS_VERSION=0.0.3
 before_script:
-  - cargo install --vers $BGPTOOLS_VERSION bgptools
+  - bgptools --version | grep -F $BGPTOOLS_VERSION || cargo install --vers $BGPTOOLS_VERSION bgptools
   - export PATH=$PATH:/home/travis/.cargo/bin
   - docker pull yangzhaofengsteven/cidr-merge
 script: