func createConfig() {
// create file
file, err := os.Create(configPath)
defer file.Close()
if err != nil {
P(ERROR, "config file create Error: %v\n", err.Error())
return
}
// get <root>/node.exe version
version, err := util.GetNodeVersion(util.GlobalNodePath + "\\")
if err != nil {
P(WARING, "not found global node.exe version, please use '%v'. See '%v'.\n", "gnvm install x.xx.xx -g", "gnvm help install")
globalversion = GLOBAL_VERSION_VAL
} else {
globalversion = version
}
//write init config
_, fileErr := file.WriteString(REGISTRY_KEY + REGISTRY_VAL + NEWLINE + NODEROOT_KEY + util.GlobalNodePath + NEWLINE + GLOBAL_VERSION_KEY + globalversion + NEWLINE + LATEST_VERSION_KEY + LATEST_VERSION_VAL)
if fileErr != nil {
P(ERROR, "write config file Error: %v\n", fileErr.Error())
return
}
P(DEFAULT, "Config file %v create success.\n", configPath)
P(NOTICE, "latest version is %v, please use '%v'.\n", UNKNOWN, "gnvm config init")
}
/*
* 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
}
func ReSetConfig() {
SetConfig(REGISTRY, REGISTRY_VAL)
SetConfig(NODEROOT, util.GlobalNodePath)
version, err := util.GetNodeVersion(util.GlobalNodePath + "\\")
if err != nil {
P(WARING, "not found global node.exe version, please use '%v'. See '%v'.\n", "gnvm install x.xx.xx -g", "gnvm help install")
globalversion = GLOBAL_VERSION_VAL
} else {
globalversion = version
}
SetConfig(GLOBAL_VERSION, globalversion)
// set url
url := REGISTRY_VAL + "latest/" + util.SHASUMS
if latest := util.GetLatestVersion(url); latest != "" {
latsetversion = latest
} else {
latsetversion = LATEST_VERSION_VAL
}
SetConfig(LATEST_VERSION, latsetversion)
P(DEFAULT, "Config file %v init success.\n", configPath)
}
/**
* rootNode is rootPath + "/node.exe", e.g. <root>/node.exe
*
* usePath is use node version path, e.g. <root>/x.xx.xx
* useNode is usePath + "/node.exe", e.g. <root>/x.xx.xx/node.exe
*
* rootVersion is <root>/node.exe version
* rootFolder is <root>/rootVersion
*/
func Use(folder string) bool {
// try catch
defer func() {
if err := recover(); err != nil {
msg := fmt.Sprintf("'gnvm use %v' an error has occurred. please check. \nError: ", folder)
Error(ERROR, msg, err)
os.Exit(0)
}
}()
rootNodeExist := true
// get true folder, e.g. folder is latest return x.xx.xx
folder = TransLatestVersion(folder, true)
if folder == config.UNKNOWN {
P(ERROR, "unassigned node.exe latest version, use %v. See '%v'.\n", "gnvm config INIT", "gnvm help config")
return false
}
// set rootNode
rootNode := rootPath + NODE
// set usePath and useNode
usePath := rootPath + folder + DIVIDE
useNode := usePath + NODE
// get <root>/node.exe version
rootVersion, err := util.GetNodeVersion(rootPath)
if err != nil {
P(WARING, "not found global node.exe version.\n")
rootNodeExist = false
}
// <root>/folder is exist
if isDirExist(usePath) != true {
P(WARING, "%v folder is not exist from %v, use '%v' get local node.exe list. See '%v'.\n", folder, rootPath, "gnvm ls", "gnvm help ls")
return false
}
// check folder is rootVersion
if folder == rootVersion {
P(WARING, "current node.exe version is %v, not re-use. See 'gnvm node-version'.\n", folder)
return false
}
// set rootFolder
rootFolder := rootPath + rootVersion
// <root>/rootVersion is exist
if isDirExist(rootFolder) != true {
// create rootVersion folder
if err := os.Mkdir(rootFolder, 0777); err != nil {
P(ERROR, "create %v folder Error: %v.\n", rootVersion, err.Error())
return false
}
}
if rootNodeExist {
// copy rootNode to <root>/rootVersion
if err := copy(rootNode, rootFolder); err != nil {
P(ERROR, "copy %v to %v folder Error: %v.\n", rootNode, rootFolder, err.Error())
return false
}
// delete <root>/node.exe
/*if err := os.Remove(rootNode); err != nil {
P(ERROR, "remove %v folder Error: %v.\n", rootNode, err.Error())
return false
}*/
}
// copy useNode to rootPath
if err := copy(useNode, rootPath); err != nil {
P(ERROR, "copy %v to %v folder Error: %v.\n", useNode, rootPath, err.Error())
return false
}
P(DEFAULT, "Set success, global node.exe version is %v.\n", folder)
return true
}