func zipHandle(filePath string) error {
destPath := os.Getenv("HOME") + "/Downloads/"
err := zip.UnarchiveFile(filePath, destPath, nil)
if err != nil {
return err
}
err = os.Remove(filePath)
return nil
}
func InstallNpm() {
// try catch
defer func() {
if err := recover(); err != nil {
if strings.HasPrefix(err.(string), "CURL Error:") {
fmt.Printf("\n")
}
Error(ERROR, "'gnvm install npm' an error has occurred. \nError: ", err)
os.Exit(0)
}
}()
out, err := exec.Command(rootPath+"npm", "--version").Output()
if err == nil {
P(WARING, "current path %v exist npm, version is %v", rootPath, string(out[:]), "\n")
return
}
url := config.GetConfig(config.REGISTRY) + "npm"
// get
code, res, _ := curl.Get(url)
if code != 0 {
return
}
// close
defer res.Body.Close()
maxTime, _ := time.Parse(TIMEFORMART, TIMEFORMART)
var maxVersion string
getNpmVersion := func(content string, line int) bool {
if strings.Index(content, `<a href="`) == 0 && strings.Contains(content, ".zip") {
// parse
newLine := strings.Replace(content, `<a href="`, "", -1)
newLine = strings.Replace(newLine, `</a`, "", -1)
newLine = strings.Replace(newLine, `">`, " ", -1)
// e.g. npm-1.3.9.zip npm-1.3.9.zip> 23-Aug-2013 21:14 1535885
orgArr := strings.Fields(newLine)
// e.g. npm-1.3.9.zip
version := orgArr[0:1][0]
// e.g. 23-Aug-2013 21:14
sTime := strings.Join(orgArr[2:len(orgArr)-1], " ")
// bubble sort
if t, err := time.Parse(TIMEFORMART, sTime); err == nil {
if t.Sub(maxTime).Seconds() > 0 {
maxTime = t
maxVersion = version
}
}
}
return false
}
if err := curl.ReadLine(res.Body, getNpmVersion); err != nil && err != io.EOF {
P(ERROR, "parse npm version Error: %v, from %v\n", err, url)
return
}
if maxVersion == "" {
P(ERROR, "get npm version fail from %v, please check. See '%v'.\n", url, "gnvm help config")
return
}
P(NOTICE, "the latest version is %v from %v.\n", maxVersion, config.GetConfig(config.REGISTRY))
// download zip
zipPath := os.TempDir() + DIVIDE + maxVersion
if code := downloadNpm(maxVersion); code == 0 {
P(DEFAULT, "Start unarchive file %v.\n", maxVersion)
//unzip(maxVersion)
if err := zip.UnarchiveFile(zipPath, config.GetConfig(config.NODEROOT), nil); err != nil {
panic(err)
}
P(DEFAULT, "End unarchive.\n")
}
// remove temp zip file
if err := os.RemoveAll(zipPath); err != nil {
P(ERROR, "remove zip file fail from %v, Error: %v.\n", zipPath, err.Error())
}
}
