From 0c4dd3c4013825d0021a5273d1104f090bcd76d4 Mon Sep 17 00:00:00 2001
From: Simon Mo <xmo@berkeley.edu>
Date: Sun, 30 Jun 2019 17:57:48 -0700
Subject: [PATCH] Use bazel disk cache with travis (#5068)

---
 .travis.yml                    | 5 +++++
 ci/travis/setup-bazel-cache.sh | 5 +++++
 2 files changed, 10 insertions(+)
 create mode 100755 ci/travis/setup-bazel-cache.sh

diff --git a/.travis.yml b/.travis.yml
index e5631fd9f..ec02918ff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -141,6 +141,7 @@ install:
   - if [ $RAY_CI_TUNE_AFFECTED != "1" ] && [ $RAY_CI_RLLIB_AFFECTED != "1" ] && [ $RAY_CI_PYTHON_AFFECTED != "1" ]; then exit; fi
 
   - ./ci/suppress_output ./ci/travis/install-bazel.sh
+  - ./ci/suppress_output ./ci/travis/setup-bazel-cache.sh
   - ./ci/suppress_output ./ci/travis/install-dependencies.sh
   - export PATH="$HOME/miniconda/bin:$PATH"
   - ./ci/suppress_output ./ci/travis/install-ray.sh
@@ -214,3 +215,7 @@ deploy:
     on:
       repo: ray-project/ray
       condition: $LINUX_WHEELS = 1 || $MAC_WHEELS = 1
+
+cache:
+  directories:
+    - $HOME/ray-bazel-cache
diff --git a/ci/travis/setup-bazel-cache.sh b/ci/travis/setup-bazel-cache.sh
new file mode 100755
index 000000000..c9e0bf42c
--- /dev/null
+++ b/ci/travis/setup-bazel-cache.sh
@@ -0,0 +1,5 @@
+set -x
+set -e
+
+mkdir -p $HOME/ray-bazel-cache
+echo "build --disk_cache=$HOME/ray-bazel-cache" >> .bazelrc