From 031f4f61b70ec88d16affc982a7092935fd4a0c9 Mon Sep 17 00:00:00 2001
From: XenoAmess <xenoamess@gmail.com>
Date: Thu, 9 Jul 2020 20:57:12 +0800
Subject: [PATCH] refine travis-ci scripts (#531)

Cache Maven's .m2 folder.
---
 .travis.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 614d812dd..7432cc482 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,21 +14,21 @@
 # limitations under the License.
 
 language: java
+cache:
+  directories:
+    - $HOME/.m2
 jdk:
   - openjdk8
   - openjdk11
   - openjdk14
   - openjdk-ea
-
 matrix:
   include:
     - os: linux-ppc64le
       jdk: openjdk8
   allow_failures:
     - jdk: openjdk-ea
-
 script:
   - mvn
-
 after_success:
   - mvn clean test jacoco:report coveralls:report -Ptravis-jacoco javadoc:javadoc -Ddoclint=all