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

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

RBENV_VERSION="$1"
RBENV_VERSION_FILE="${RBENV_ROOT}/global"

if [ -n "$RBENV_VERSION" ]; then
  rbenv-version-file-write "$RBENV_VERSION_FILE" "$RBENV_VERSION"
else
  rbenv-version-file-read "$RBENV_VERSION_FILE" ||
  rbenv-version-file-read "${RBENV_ROOT}/default" ||
  echo system
fi