From a9ff3a336c0e9c9ee153b22a0de3bf5d07f5e462 Mon Sep 17 00:00:00 2001
From: Jeremy Frasier <jeremy.frasier@trio.dhs.gov>
Date: Sun, 26 May 2019 11:49:13 -0400
Subject: [PATCH] Enable TravisCI caching for pip and pre-commit plugins

This should speed up TravisCI builds.
---
 .travis.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index a4493e4..2c70e21 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,15 @@
 dist: xenial
 language: python
 python: 3.7
+# pre-commit hooks can use Docker, so we should go ahead and enable it
 services: docker
 
+# Cache pip packages and pre-commit plugins to speed up builds
+cache:
+  pip: true
+  directories:
+    - $HOME/.cache/pre-commit
+
 install:
   - pip install --upgrade -r requirements-test.txt
 script: