#!/bin/sh

cleanup() {
  [ -n "${NVM_DIR}" ] && [ -d "${NVM_DIR}" ] && rm -rf "${NVM_DIR}"
  unset -f die cleanup
  unset NVM_DIR
}

die() { echo "$@" ; cleanup ; exit 1; }

: nvm.sh
\. ../../../nvm.sh

type nvm_install_lock_name > /dev/null 2>&1 || die 'nvm_install_lock_name is not available'

NVM_DIR="$(mktemp -d)"
[ -n "${NVM_DIR}" ] || die 'unable to create temp NVM_DIR'

# A normal version passes through unchanged.
[ "$(nvm_install_lock_name 'v20.0.0')" = 'v20.0.0' ] || die "v20.0.0 => >$(nvm_install_lock_name 'v20.0.0')<"

# Dots, hyphens, plus, and underscores are all preserved.
[ "$(nvm_install_lock_name 'iojs-v1.0.0')" = 'iojs-v1.0.0' ] || die "iojs-v1.0.0 => >$(nvm_install_lock_name 'iojs-v1.0.0')<"

# Path separators and other unsafe characters become underscores.
[ "$(nvm_install_lock_name 'lts/*')" = 'lts__' ] || die "lts/* => >$(nvm_install_lock_name 'lts/*')<"
[ "$(nvm_install_lock_name 'a b/c')" = 'a_b_c' ] || die "a b/c => >$(nvm_install_lock_name 'a b/c')<"

# The empty string maps to the empty string (no trailing-newline artifact).
[ "$(nvm_install_lock_name '')" = '' ] || die "empty => >$(nvm_install_lock_name '')<"

cleanup