set -xe apt-get update; apt-get install -y gcc g++ conda config --set always_yes yes --set changeps1 no conda update -q conda conda config --add channels conda-forge conda info -a conda create --name=${ENV_NAME} python=$PYTHON --quiet conda env update -f ci/${ENV_NAME}.yml source activate ${ENV_NAME} conda list -n ${ENV_NAME} # check that the python version matches the desired one; exit immediately if not PYVER=`python -c "from __future__ import print_function; import sys; print('{:d}.{:d}'.format(sys.version_info.major, sys.version_info.minor))"` if [[ $PYVER != $PYTHON ]]; then exit 1; fi