Revert "remove manual homebrew, set addon to update (#171)"

This reverts commit f48956a.

Testing as a potential fix for new issues introduced in
https://changelog.travis-ci.com/xcode-11-3-1-xcode-11-2-1-xcode-11-1-and-xcode11-images-updated-142286

Author: troyready

.travis.yml

@@ -47,7 +47,7 @@ jobs:
       osx_image: xcode11.3  # Python 3.7.4 running on macOS 10.14
       language: shell  # 'language: python' is an error on Travis CI macOS
       env: PIP=pip3 PYTHON_VERSION=3.7 DEPLOY=true
-      script: make travisbuild_file
+      script: brew install jq && make travisbuild_file
     - name: "Python 3.7 Windows Single Binary Build"
       stage: build
       os: windows  # Windows 10.0.17134 N/A Build 17134
@@ -68,7 +68,7 @@ jobs:
       osx_image: xcode11.3  # Python 3.7.4 running on macOS 10.14.4
       language: shell  # 'language: python' is an error on Travis CI macOS
       env: PIP=pip3 PYTHON_VERSION=3.7 DEPLOY=true
-      script: make travisbuild_folder
+      script: brew install jq && make travisbuild_folder
     - name: "Python 3.7 Windows npm Build"
       stage: build
       os: windows  # Windows 10.0.17134 N/A Build 17134
@@ -99,10 +99,11 @@ addons:
   apt:
     packages:
       - sed
-  homebrew:
-    update: true
-    packages:
-      - jq
+  # homebrew addon is currently broken so we are installing "manually"
+  # https://travis-ci.community/t/macos-build-fails-because-of-homebrew-bundle-unknown-command/7296/3
+  # homebrew:
+  #   packages:
+  #     - jq
 
 install:
   - ./.travis/install.sh

.travis/install.sh

@@ -15,14 +15,14 @@ if [ "$TRAVIS_OS_NAME" = "osx" ] || [ "$TRAVIS_OS_NAME" = "windows" ]; then
     # these setup steps are already taken care of for linux in travis's
     # images. but, since windows and osx don't 'support' the python language
     # option, we have to do this here.
-    ${PYTHON} --version && pip --version
+    ${PYTHON} --version && ${PIP} --version
     ${PYTHON} -m pip install --upgrade pip setuptools
 fi
 
 # virtualenv 20 was a complete rewrite and includes some breaking changes
 # with how we were handling things like distutils. These version are now pinned
 # to ensure compatability.
-pip install "virtualenv==16.7.9" "pipenv==2018.11.26"
+${PIP} install "virtualenv==16.7.9" "pipenv==2018.11.26"
 
 # anything running python3 can use the provided Pipfile.lock
 if [ "$PYTHON_VERSION" != "2.7" ]; then