feat: OS X testing (#154)

* feat: OS X testing

* fix: Remove unused variable

* fix: Download right semaphore bin

* fix: Test on Python 2.7

Author: untitaker

.travis.yml

@@ -39,6 +39,18 @@ matrix:
       name: Build documentation
       install: false
       script: make travis-upload-docs
+    - # The OS X VM doesn't have any Python support at all
+      # See https://github.com/travis-ci/travis-ci/issues/2312
+      os: osx
+      name: OS X Python 2.7
+      language: generic
+      before_install:
+        - brew install python@2
+        - python2 -m pip install --user virtualenv
+        - /Users/travis/Library/Python/2.7/bin/virtualenv $HOME/osx-py
+        - source $HOME/osx-py/bin/activate
+        - export TRAVIS_PYTHON_VERSION=2.7
+
 
 install:
   - pip install tox

scripts/download-semaphore.sh

@@ -14,7 +14,7 @@ output="$(
 echo "$output"
 
 output="$(echo "$output" \
-    | grep "Linux" \
+    | grep "$(uname -s)" \
     | grep "download" \
     | cut -d : -f 2,3 \
     | tr -d , \