#!/usr/bin/env bash
set -e

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

if [ -z "$PYENV_ROOT" ]; then
  PYENV_ROOT="${HOME}/.pyenv"
fi

unset FORCE
if [ "$1" = "-f" ]; then
  FORCE=true
  shift
fi

DEFINITION="$1"
case "$DEFINITION" in
"" | -* )
  { echo "usage: pyenv uninstall [-f] VERSION"
    echo
    echo "   -f  Attempt to remove the specified version without prompting"
    echo "       for confirmation. If the version does not exist, do not"
    echo "       display an error message."
    echo
    echo "Installed versions:"
    pyenv versions --bare | sed 's/^/  /'
    echo
  } >&2
  exit 1
  ;;
esac

VERSION_NAME="${DEFINITION##*/}"
PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"

if [ -z "$FORCE" ]; then
  if [ ! -d "$PREFIX" ]; then
    echo "pyenv: version \`$VERSION_NAME' not installed" >&2
    exit 1
  fi

  read -p "pyenv: remove $PREFIX? "
  case "$REPLY" in
  y* | Y* ) ;;
  * ) exit 1 ;;
  esac
fi

if [ -d "$PREFIX" ]; then
  rm -rf "$PREFIX"
  pyenv rehash
fi