From 337f33baad986d7e25cf074aad3762e27de2b043 Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Thu, 14 Mar 2019 14:08:54 -0400
Subject: [PATCH] [CI] Use Travis Homebrew addon instead of manual brew
 commands

This should reduce the time needed to set up the build environment and avoid
build failures associated with errors while updating irrelevant homebrew
packages.
---
 .travis.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 54364c6fa..139a86f43 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,6 +18,11 @@ addons:
       - libboost-dev
       - doxygen
       - graphviz
+  homebrew:
+    packages:
+    - scons
+    - boost
+    - python
   ssh_known_hosts:
     - cantera.org
 
@@ -29,12 +34,7 @@ env:
 before_script: |
   echo TRAVIS_OS_NAME: $TRAVIS_OS_NAME
   if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-      brew update > /dev/null
-      brew cask uninstall oclint  # See https://github.com/travis-ci/travis-ci/issues/8826
-      brew upgrade python  # Installs Python 3
-      brew install scons  # Install SCons which *should* use Python 3
       pip3 install numpy cython  # Install numpy and Cython for Python 3
-      brew install boost
   else
       pip3 install --user --upgrade pip
       pip3 install --user --upgrade setuptools wheel