/*
Uninstall node and npm
Param:
- folder: version
*/
func Uninstall(folder string) {
// try catch
defer func() {
if err := recover(); err != nil {
msg := fmt.Sprintf("gnvm uninstall %v an error has occurred. please check your input. \nError: ", folder)
Error(ERROR, msg, err)
os.Exit(0)
}
}()
// set removePath
removePath := rootPath + folder
if folder == util.UNKNOWN {
P(ERROR, "current latest version is %v, please usage '%v' first. See '%v'.\n", folder, "gnvm update latest", "gnvm help update")
return
}
// rootPath/version is exist
if util.IsDirExist(removePath) != true {
P(ERROR, "%v folder is not exist. See '%v'.\n", folder, "gnvm ls")
return
}
// remove rootPath/version folder
if err := os.RemoveAll(removePath); err != nil {
P(ERROR, "uninstall %v fail, Error: %v.\n", folder, err.Error())
return
}
P(DEFAULT, "Node.js version %v uninstall success.\n", folder)
}
/*
Create node_modules folder
*/
func (this *NPMange) CreateModules() {
if !util.IsDirExist(this.modules) {
if err := os.Mkdir(this.modules, 0755); err != nil {
P(ERROR, "create %v foler error, Error: %v\n", this.modules, err.Error())
} else {
P(NOTICE, "%v folder create success.\n", this.modules)
}
}
}
/*
Remove file
Param:
- path: olny clude path
- <root>/node_modules/npm
- <root>/npm
- <root>/npm.cmd
- <root>/<npm.zip>
*/
func (this *NPMange) Clean(path string) error {
if util.IsDirExist(path) {
if err := os.RemoveAll(path); err != nil {
P(ERROR, "remove %v folder Error: %v.\n", path, err.Error())
return err
}
}
return nil
}
/*
Update local Node.js latest verion
- localVersion, remoteVersion: string Node.js version
- local, remote: float64 Node.js version
Param:
- global: when global == true, call Use func.
*/
func Update(global bool) {
// try catch
defer func() {
if err := recover(); err != nil {
msg := fmt.Sprintf("'%v' an error has occurred. \nError: ", "gnvm updte latest")
Error(ERROR, msg, err)
os.Exit(0)
}
}()
localVersion, remoteVersion := config.GetConfig(config.LATEST_VERSION), util.GetLatVer(latURL)
P(NOTICE, "local Node.js latest version is %v.\n", localVersion)
if remoteVersion == "" {
P(ERROR, "get latest version error, please check. See '%v'.\n", "gnvm help config")
return
}
P(NOTICE, "remote Node.js latest version is %v from %v.\n", remoteVersion, config.GetConfig("registry"))
local, remote, args := util.FormatNodeVer(localVersion), util.FormatNodeVer(remoteVersion), []string{remoteVersion}
switch {
case localVersion == util.UNKNOWN:
if code := InstallNode(args, global); code == 0 {
config.SetConfig(config.LATEST_VERSION, remoteVersion)
P(DEFAULT, "Update Node.js latest success, current latest version is %v.\n", remoteVersion)
}
case local == remote:
if util.IsDirExist(rootPath + localVersion) {
cp := CP{Red, false, None, false, "="}
P(DEFAULT, "Remote latest version %v %v latest version %v, don't need to upgrade.\n", remoteVersion, cp, localVersion)
if global {
if ok := Use(localVersion); ok {
config.SetConfig(config.GLOBAL_VERSION, localVersion)
}
}
} else {
P(WARING, "%v folder is not exist. See '%v'.\n", localVersion, "gnvm ls")
if code := InstallNode(args, global); code == 0 {
P(DEFAULT, "Local Node.js latest version is %v.\n", localVersion)
}
}
case local > remote:
cp := CP{Red, false, None, false, ">"}
P(WARING, "local latest version %v %v remote latest version %v.\nPlease check your config %v. See '%v'.\n", localVersion, cp, remoteVersion, "registry", "gnvm help config")
case local < remote:
cp := CP{Red, false, None, false, ">"}
P(WARING, "remote latest version %v %v local latest version %v.\n", remoteVersion, cp, localVersion)
if code := InstallNode(args, global); code == 0 {
config.SetConfig(config.LATEST_VERSION, remoteVersion)
P(DEFAULT, "Update success, Node.js latest version is %v.\n", remoteVersion)
}
}
}
func testIsDirExist() {
// empty
fmt.Println(util.IsDirExist(""))
// no exist
fmt.Println(util.IsDirExist(`C:\Users\Kenshin\Documents\DevTools\nodejss`))
fmt.Println(util.IsDirExist(`C:\Users\Kenshin\Documents\DevTools\nodejs\node_moduless\npm`))
fmt.Println(util.IsDirExist(`C:\Users\Kenshin\Documents\DevTools\nodejs\5.1.1\node.exe`))
// exist
fmt.Println(util.IsDirExist(`C:\Users\Kenshin\Documents\DevTools\nodejs`))
fmt.Println(util.IsDirExist(`C:\Users\Kenshin\Documents\DevTools\nodejs\node_modules`))
// not valid path
fmt.Println(util.IsDirExist("gnvm"))
// exist
fmt.Println(util.IsDirExist(`C:\Users\Kenshin\Documents\DevTools\nodejs\5.9.1\node.exe`))
fmt.Println(util.IsDirExist(`C:\Users\Kenshin\Documents\DevTools`, `nodejs`, `5.1.1`))
}
/*
Print current local Node.js version list
Param:
- isPrint: when isPrint == true, print console
*/
func LS(isPrint bool) ([]string, error) {
// try catch
defer func() {
if err := recover(); err != nil {
Error(ERROR, "'gnvm ls' an error has occurred. please check. \nError: ", err)
os.Exit(0)
}
}()
var lsArr []string
existVersion := false
files, err := ioutil.ReadDir(rootPath)
// show error
if err != nil {
P(ERROR, "'%v' Error: %v.\n", "gnvm ls", err.Error())
return lsArr, err
}
P(NOTICE, "gnvm.exe root is %v \n", rootPath)
for _, file := range files {
// set version
version := file.Name()
// check node version
if util.VerifyNodeVer(version) {
// <root>/x.xx.xx/node.exe is exist
if util.IsDirExist(rootPath + version + util.DIVIDE + util.NODE) {
desc := ""
switch {
case version == config.GetConfig(config.GLOBAL_VERSION) && version == config.GetConfig(config.LATEST_VERSION):
desc = " -- global, latest"
case version == config.GetConfig(config.LATEST_VERSION):
desc = " -- latest"
case version == config.GetConfig(config.GLOBAL_VERSION):
desc = " -- global"
}
ver, _, _, suffix, _ := util.ParseNodeVer(version)
if suffix == "x86" {
desc = " -- x86"
} else if suffix == "x64" {
desc = " -- x64"
}
// set true
existVersion = true
// set lsArr
lsArr = append(lsArr, version)
if isPrint {
if desc == "" {
P(DEFAULT, "v"+ver+desc, "\n")
} else {
P(DEFAULT, "%v", "v"+ver+desc, "\n")
}
}
}
}
}
// version is exist
if !existVersion {
P(WARING, "don't have any available Node.js version, please check your input. See '%v'.\n", "gnvm help install")
}
return lsArr, err
}
/**
* rootPath : node.exe global path, e.g. x:\xxx\xx\xx\
*
* global : global node.exe version num, e.g. x.xx.xx-x86 ( only rumtime.GOARCH == "amd64", suffix include: 'x86' and 'x64' )
* globalPath : global node.exe version path, e.g. x:\xxx\xx\xx\x.xx.xx-x86
*
* newer : newer node.exe version num, e.g. x.xx.xx
* newerPath : newer node.exe version path, e.g. <rootPath>\x.xx.xx\
*
*/
func Use(newer string) bool {
// try catch
defer func() {
if err := recover(); err != nil {
msg := fmt.Sprintf("'gnvm use %v' an error has occurred. please check. \nError: ", newer)
Error(ERROR, msg, err)
os.Exit(0)
}
}()
// get true folder, e.g. folder is latest return x.xx.xx
util.FormatLatVer(&newer, config.GetConfig(config.LATEST_VERSION), true)
if newer == util.UNKNOWN {
P(WARING, "current latest is %v, please usage '%v' first. See '%v'.\n", newer, "gnvm update latest", "gnvm help update")
return false
}
// set newerPath and verify newerPath is exist?
newerPath := rootPath + newer
if _, err := util.GetNodeVer(newerPath); err != nil {
P(WARING, "%v folder is not exist %v, use '%v' get local Node.js version list. See '%v'.\n", newer, "node.exe", "gnvm ls", "gnvm help ls")
return false
}
// get <root>/node.exe version, when exist, get full version, e.g. x.xx.xx-x86
global, err := util.GetNodeVer(rootPath)
if err != nil {
P(WARING, "not found %v Node.js version.\n", "global")
} else {
if bit, err := util.Arch(rootPath); err == nil {
if bit == "x86" && runtime.GOARCH == "amd64" {
global += "-" + bit
}
}
}
// check newer is global
if newer == global {
P(WARING, "current Node.js version is %v, not re-use. See '%v'.\n", newer, "gnvm node-version")
return false
}
// set globalPath
globalPath := rootPath + global
// <root>/global is exist? when not exist, create global folder
if !util.IsDirExist(globalPath) {
if err := os.Mkdir(globalPath, 0777); err != nil {
P(ERROR, "create %v folder Error: %v.\n", global, err.Error())
return false
}
}
// backup copy <root>/node.exe to <root>/global/node.exe
if global != "" {
if err := util.Copy(rootPath, globalPath, util.NODE); err != nil {
P(ERROR, "copy %v to %v folder Error: %v.\n", rootPath, globalPath, err.Error())
return false
}
}
// copy <root>/newer/node.exe to <root>/node.exe
if err := util.Copy(newerPath, rootPath, util.NODE); err != nil {
P(ERROR, "copy %v to %v folder Error: %v.\n", newerPath, rootPath, err.Error())
return false
}
P(DEFAULT, "Set success, global Node.js version is %v.\n", newer)
return true
}