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# if virtualenv is created with `--system-site-packages`,
# looks up executables for source version as well if none is
# installed in the virtualenv.
# https://github.com/yyuu/pyenv-virtualenv/issues/62
if [ ! -x "${PYENV_COMMAND_PATH}" ]; then
virtualenv_prefix="$(pyenv-virtualenv-prefix 2>/dev/null || true)"
if [ -d "${virtualenv_prefix}" ]; then
unset include_system_site_packages
if [ -f "$(pyenv-prefix)/pyvenv.cfg" ]; then
# pyvenv
if grep -q -i "include-system-site-packages *= *true" "$(pyenv-prefix)/pyvenv.cfg" 1>/dev/null 2>&1; then
include_system_site_packages=1
fi
else
# virtualenv
shopt -s nullglob
no_global_site_packages="$(echo "$(pyenv-prefix)/lib/"*"/no-global-site-packages.txt")"
shopt -u nullglob
if [ ! -f "${no_global_site_packages}" ]; then
include_system_site_packages=1
fi
fi
if [ -n "${include_system_site_packages}" ]; then
# virtualenv is created with `--system-site-packages`
virtualenv_command_path="${virtualenv_prefix}/bin/${PYENV_COMMAND_PATH##*/}"
if [ -x "${virtualenv_command_path}" ]; then
PYENV_COMMAND_PATH="${virtualenv_command_path}"
fi
fi
fi
fi