Python virtualenv create

venv-create.sh

#!/usr/bin/env bash
#
# helper to quickly create a Python virtualenv
# latest at https://github.com/jtmoon79/dotfiles/blob/master/utilities/venv-create.sh

set -eu

# XXX: not very portable
source /etc/os-release

(
    set -x
    ${PYTHON-python3} --version
)

V_=${1-".venv-$(${PYTHON-python3} --version | cut -f2 -d ' ')-${ID}-${VERSION_ID}"}
path=$(realpath "./${V_}" || true)

set -x

exec ${PYTHON-python3} -m venv --copies --prompt "${path}" "${path}"