drek/configure

#!/usr/bin/env bash
set -e
set -u
set -o pipefail


prompt_then_exit() {
    local prompt=${1-?}
    local status=${2-?}
    echo $prompt $status
    exit $status
}


get_python_version() {
    local firstline=
    read -r firstline < .python-version
    echo ${firstline}
}


drek_configure_main() {
    local python_version=$(get_python_version)
    local venv="venv"

    if [[ "Python ${python_version}" != $(python3 --version) ]]; then
        pyenv --version
        if [[ ! -d "${HOME}/.pyenv/versions/${python_version}" ]]; then
            pyenv install ${python_version}
        fi
        pyenv local ${python_version}
    fi

    python3 -m venv ./var/${venv} \
	&& ./var/${venv}/bin/pip3 install --upgrade pip \
	&& ./var/${venv}/bin/pip3 install ./ \
	    || prompt_then_exit "drek configure failed" $?

    echo -e "\nActivate your local development environment:"
    echo -e "\n    source ./var/${venv}/bin/activate"
}


drek_configure_main $@