commands

Documentation

Overview

commands holds all flagset commands for nvm:

• install
• use
• list
• uninstall
• which

Example

nvm install 18.0.0
nvm use 18.0.0
node -v // v18.0.0

Index

• Constants
• Variables
• func CheckSha(fileName string, node_body, sha_body []byte) error
• func Download(url string, ch chan []byte, err_ch chan error)
• func GetDownloadUrl(v common.Version, d exclusive_node_file) string
• func GetOsAndArch() (remote_os, remote_arch string)
• func Install(args []string) (err error)
• func List(cmd string, args []string) (err error)
• func Uninstall(args []string) (err error)
• func Use(args []string) (err error)
• func Which(cmd string, args []string) (err error)
• type NodeDownload
  • func (d NodeDownload) X()

Constants

const DEFAULT_BASE_URL = "https://nodejs.org/dist"

default download location

const SHASUMS = "SHASUMS256.txt"

remote filename which indicates sha's for each downloadable file

Variables

var BASE_URL = os.Getenv("NVM_NODEJS_ORG_MIRROR")

NVM_NODEJS_ORG_MIRROR - base url for downloading node; default: "https://nodejs.org/dist"

var InstallCmd = flag.NewFlagSet("install", flag.ContinueOnError)

flag set for commands.Install

var ListCmd = flag.NewFlagSet("list", flag.ContinueOnError)

flag set for commands.List

var UninstallCmd = flag.NewFlagSet("uninstall", flag.ContinueOnError)

flag set for commands.Uninstall

var UseCmd = flag.NewFlagSet("use", flag.ContinueOnError)

flag set for commands.Use

var WhichCmd = flag.NewFlagSet("which", flag.ContinueOnError)

flag set for commands.Which

Functions

func CheckSha

func CheckSha(fileName string, node_body, sha_body []byte) error

func Download

func Download(url string, ch chan []byte, err_ch chan error)

actually downloads a url and passes the []bytes to the channel; if there is an error, we pass it to `err_ch` used by commands.Install

func GetDownloadUrl

func GetDownloadUrl(v common.Version, d exclusive_node_file) string

determine where to download node install files

`v` a verified/parsed version string

`d` is a commands.NodeDownload

used by commands.Install

func GetOsAndArch

func GetOsAndArch() (remote_os, remote_arch string)

TODO: this can be cached, or run once used to determine download url in commands.GetDownloadUrl

func Install

func Install(args []string) (err error)

install a given node version TODO: install should output success message TODO: nvm install -h outputs help text twice TODO: install should always update/create symlinks in .nevermind/bin

func List

func List(cmd string, args []string) (err error)

list installed node versions

func Uninstall

func Uninstall(args []string) (err error)

uninstall a specific version of node

func Use

func Use(args []string) (err error)

use a version of node (updates config with desired version) TODO: use should output success message

func Which

func Which(cmd string, args []string) (err error)

get the path to the node executable for a given version

Types

type NodeDownload

type NodeDownload int

Enum for downloading either node or shasums

const (
	DOWNLOAD_NODE   NodeDownload = iota // downloads node
	DOWNLOAD_SHASUM                     // downloads SHASUMS
)

func (NodeDownload) X

func (d NodeDownload) X()

ignore me