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brew_update.sh
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/
brew_update.sh
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#!/bin/bash
set -e # Exit with nonzero exit code if anything fails
brew update
# Per the `pyenv homebrew recommendations <https://github.com/yyuu/pyenv/wiki#suggested-build-environment>`_.
brew install openssl readline
# See https://docs.travis-ci.com/user/osx-ci-environment/#A-note-on-upgrading-packages.
# I didn't do this above because it works and I'm lazy.
brew outdated pyenv || brew upgrade pyenv
# virtualenv doesn't work without pyenv knowledge. venv in Python 3.3
# doesn't provide Pip by default. So, use `pyenv-virtualenv <https://github.com/yyuu/pyenv-virtualenv/blob/master/README.md>`_.
brew install pyenv-virtualenv
pyenv install $PYTHON
# I would expect something like ``pyenv init; pyenv local $PYTHON`` or
# ``pyenv shell $PYTHON`` would work, but ``pyenv init`` doesn't seem to
# modify the Bash environment. ??? So, I hand-set the variables instead.
export PYENV_VERSION=$PYTHON
export PATH="/Users/travis/.pyenv/shims:${PATH}"
pyenv-virtualenv venv
source venv/bin/activate
# A manual check that the correct version of Python is running.
python --version