local -;

set -eET;

local _package_name _pipx_local_venvs _package_directory _reply _package_activate;

_package_name="${1:?Undefined package name}"

printf 1>&2 'Attempting to activate -> %s\n' "${_package_name}"

_pipx_local_venvs="$(awk -F '=' '/PIPX_LOCAL_VENVS/{ print $2; }' <(pipx environment))"

if ! (( ${#_pipx_local_venvs} )); then

printf 1>&2 'Error: cannot locate directory for PIPX_LOCAL_VENVS\n'

exit 1

fi

_package_directory="${_pipx_local_venvs}/${_package_name}"

if ! [[ -d "${_package_directory}" ]]; then

if [[ -t 0 ]]; then

read -rdt 60 "Warning: missing package \"${_package_name}\", okay to install? (Y/n) "

_reply="${REPLY:?Undefined reply}"

shopt -s extglob

case "${_reply,,}" in

yes|yep|y)

pipx install "${_package_name}"

if ! [[ -d "${_package_directory}" ]]; then

printf 1>&2 'Error: cannot locate "%s" even after install\n' "${_package_name}"

exit 1

fi

;;

*)

printf 1>&2 'Warning: non-yes like reply received, exiting now\n'

exit 1

;;

esac

else

printf 1>&2 'Error: cannot assume non-interactive session wants to install missing package -> %s\n' "${_package_name}"

exit 1

fi

fi

_package_activate="${_package_directory}/bin/activate"

if ! [[ -f "${_package_activate}" ]]; then

printf 1>&2 'Error cannot locate activate path -> %s\n' "${_package_activate}"

fi

printf 1>&2 'source "%s"\n' "${_package_activate}"

# shellcheck disable=SC1090

source "${_package_activate}"