Script to migrate from virtualenvwrapper to pyenv-virtualenv

virtualenvwrapper2pyenv.sh

#!/bin/sh
set -eu

PYTHON_EXE='python3'
VIRTUALENVWRAPPER='virtualenvwrapper.sh'

echo '>>> Sourcing virtualenvwrapper...'
. "${VIRTUALENVWRAPPER}"

echo '>>> Starting migration from virtualenvwrapper to pyenv-virtualenv...'
VIRTUALENVS=$(lsvirtualenv -b)

for venv in ${VIRTUALENVS}; do
  printf '>>> Migrating %s...\n' "${venv}"

  printf '>>> Creating pyenv-virtualenv for %s...\n' "${venv}"
  pyenv virtualenv --python="${PYTHON_EXE}" "${venv}"

  printf '>>> Reinstalling packages in new pyenv-virtualenv from %s/%s...\n' "${WORKON_HOME}" "${venv}"
  "${WORKON_HOME}/${venv}/bin/pip" freeze \
    | PYENV_VERSION="${venv}" pyenv exec pip install -r /dev/stdin

  printf '>>> %s: Done' "${venv}"
done