#!/usr/bin/env bash
set -e
[ -n "$PYENV_DEBUG" ] && set -x

# Provide pyenv completions
if [ "$1" = "--complete" ]; then
  echo --unset
  echo system
  exec pyenv-versions --bare
fi

PYENV_VERSION="$1"
PYENV_VERSION_FILE=".pyenv-version"

if [ "$PYENV_VERSION" = "--unset" ]; then
  rm -f "$PYENV_VERSION_FILE"
elif [ -n "$PYENV_VERSION" ]; then
  pyenv-version-file-write "$PYENV_VERSION_FILE" "$PYENV_VERSION"
else
  pyenv-version-file-read "$PYENV_VERSION_FILE" ||
  { echo "pyenv: no local version configured for this directory"
    exit 1
  } >&2
fi