tahoe-lafs/.circleci/create-virtualenv.sh
2019-04-04 10:45:17 -04:00

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#!/bin/bash
# https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
set -euxo pipefail
# The filesystem location of the wheelhouse which we'll populate with wheels
# for all of our dependencies.
WHEELHOUSE_PATH="$1"
shift
# The filesystem location of the root of a virtualenv we can use to get/build
# wheels.
BOOTSTRAP_VENV="$1"
shift
# Set up the virtualenv as a non-root user so we can run the test suite as a
# non-root user. See below.
virtualenv --python python2.7 "${BOOTSTRAP_VENV}"
# For convenience.
PIP="${BOOTSTRAP_VENV}/bin/pip"
# Tell pip where it can find any existing wheels.
export PIP_FIND_LINKS="file://${WHEELHOUSE_PATH}"
# Get "certifi" to avoid bug #2913. Basically if a `setup_requires=...` causes
# a package to be installed (with setuptools) then it'll fail on certain
# platforms (travis's OX-X 10.12, Slackware 14.2) because PyPI's TLS
# requirements (TLS >= 1.2) are incompatible with the old TLS clients
# available to those systems. Installing it ahead of time (with pip) avoids
# this problem. Make sure this step comes before any other attempts to
# install things using pip!
"${PIP}" install certifi
# Get a new, awesome version of pip and setuptools. For example, the
# distro-packaged virtualenv's pip may not know about wheels.
"${PIP}" install --upgrade pip setuptools wheel