/*
Download npm zip
Param:
- url: download url
- name: download file name
Return:
- error
*/
func (this *NPMange) Download(url, name string) error {
curl.Options.Header = false
curl.Options.Footer = false
if _, errs := curl.New(url, name, name, this.root); len(errs) > 0 {
return errs[0]
}
return nil
}
/*
* return code
* 0: success
*
*/
func downloadNpm(version string) int {
// set url
url := config.GetConfig(config.REGISTRY) + "npm/" + version
// download
if code := curl.New(url, version, os.TempDir()+DIVIDE+version); code != 0 {
return code
}
return 0
}
/*
* return code
* 0: success
* 1: remove folder error
* 2: folder exist
* 3: create folder error
*
*/
func download(version string) int {
// get current os arch
amd64 := "/"
if runtime.GOARCH == "amd64" {
amd64 = "/x64/"
}
// rootPath/version/node.exe is exist
if _, err := util.GetNodeVersion(rootPath + version + DIVIDE); err == nil {
P(WARING, "%v folder exist.\n", version)
return 2
} else {
if err := os.RemoveAll(rootPath + version); err != nil {
P(ERROR, "remove %v fail, Error: %v\n", version, err.Error())
return 1
}
//P(DEFAULT, "Remove empty [%v] folder success.\n", version)
}
// rootPath/version is exist
if isDirExist(rootPath+version) != true {
if err := os.Mkdir(rootPath+version, 0777); err != nil {
P(ERROR, "create %v fail, Error: %v\n", version, err.Error())
return 3
}
}
// set url
url := config.GetConfig(config.REGISTRY) + "v" + version + amd64 + NODE
// download
if code := curl.New(url, version, rootPath+version+DIVIDE+NODE); code != 0 {
if code == -1 {
if err := os.RemoveAll(rootPath + version); err != nil {
P(ERROR, "remove %v fail, Error: %v\n", version, err.Error())
return 1
}
}
return code
}
return 0
}
/*
Install node
Param:
- args : install Node.js versions, include: x.xx.xx latest x.xx.xx-io-x86 x.xx.xx-x86
- global: when global == true, call Use func.
Return:
- code: dl[0].Code, usage 'gnvm update latest'
*/
func InstallNode(args []string, global bool) int {
localVersion, isLatest, code, dl, ts := "", false, 0, new(curl.Download), new(curl.Task)
// try catch
defer func() {
if err := recover(); err != nil {
if strings.HasPrefix(err.(string), "CURL Error:") {
fmt.Printf("\n")
}
msg := fmt.Sprintf("'gnvm install %v' an error has occurred. \nError: ", strings.Join(args, " "))
Error(ERROR, msg, err)
os.Exit(0)
}
}()
for _, v := range args {
ver, io, arch, suffix, err := util.ParseNodeVer(v)
if err != nil {
switch err.Error() {
case "1":
P(ERROR, "%v not node.exe download.\n", v)
case "2":
P(ERROR, "%v format error, suffix only must be '%v' or '%v'.\n", v, "x86", "x64")
case "3":
P(ERROR, "%v format error, parameter must be '%v' or '%v'.\n", v, "x.xx.xx", "x.xx.xx-x86|x64")
case "4":
P(ERROR, "%v not an %v Node.js version.\n", v, "valid")
case "5":
P(WARING, "'%v' command is no longer supported. See '%v'.\n", "gnvm install npm", "gnvm help npm")
}
continue
}
// when os is 386, not download 64 bit node.exe
if runtime.GOARCH == "386" && suffix == "x64" {
P(WARING, "current operating system is %v, not support %v suffix.\n", "32-bit", "x64")
continue
}
// check local latest and get remote latest
v = util.EqualAbs("latest", v)
if ver == util.LATEST {
localVersion = config.GetConfig(config.LATEST_VERSION)
P(NOTICE, "local latest version is %v.\n", localVersion)
version := util.GetLatVer(latURL)
if version == "" {
P(ERROR, "get latest version error, please check. See '%v'.\n", "gnvm config help")
break
}
isLatest = true
ver = version
P(NOTICE, "remote latest version is %v.\n", version)
} else {
isLatest = false
}
// ture folder name
if suffix != "" {
ver += "-" + suffix
}
// verify <root>/folder is exist
folder := rootPath + ver
if _, err := util.GetNodeVer(folder); err == nil {
P(WARING, "%v folder exist.\n", ver)
continue
}
// get and set url( include iojs)
url := config.GetConfig(config.REGISTRY)
if io {
url = config.GetIOURL(url)
}
// add task
if url, err := util.GetRemoteNodePath(url, ver, arch); err == nil {
dl.AddTask(ts.New(url, ver, util.NODE, folder))
}
}
// downlaod
if len(*dl) > 0 {
curl.Options.Header = false
arr := (*dl).GetValues("Title")
P(DEFAULT, "Start download Node.js versions [%v].\n", strings.Join(arr, ", "))
newDL, errs := curl.New(*dl)
for _, task := range newDL {
v := strings.Replace(task.Dst, rootPath, "", -1)
if v != localVersion && isLatest {
config.SetConfig(config.LATEST_VERSION, v)
P(DEFAULT, "Set success, %v new value is %v\n", config.LATEST_VERSION, v)
}
if global && len(args) == 1 {
if ok := Use(v); ok {
config.SetConfig(config.GLOBAL_VERSION, v)
}
}
}
if len(errs) > 0 {
code = (*dl)[0].Code
s := ""
for _, v := range errs {
s += v.Error()
}
P(WARING, s)
}
}
return code
}