248 lines
5.8 KiB
Go
248 lines
5.8 KiB
Go
// Wide 配置相关,所有配置(包括用户配置)都是保存在 wide.json 中.
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package conf
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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"time"
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"github.com/b3log/wide/event"
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_ "github.com/b3log/wide/i18n"
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"github.com/b3log/wide/util"
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"github.com/golang/glog"
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)
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// 最后一次会话内容结构.
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type LatestSessionContent struct {
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FileTree []string // 文件树展开的路径集
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Files []string // 编辑器打开的文件路径集
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CurrentFile string // 当前编辑器文件路径
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}
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// 用户结构.
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type User struct {
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Name string
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Password string
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Workspace string // 指定了该用户的 GOPATH 路径
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LatestSessionContent *LatestSessionContent
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}
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// 配置结构.
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type conf struct {
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Server string
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StaticServer string
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EditorChannel string
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OutputChannel string
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ShellChannel string
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SessionChannel string
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StaticResourceVersion string
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MaxProcs int
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RuntimeMode string
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Pwd string
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Users []*User
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}
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// 配置.
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var Wide conf
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// 维护非变化部分的配置.
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//
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// 只有 Users 是会运行时变化的,保存回写文件时要使用这个变量.
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var rawWide conf
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// 定时检查 Wide 运行环境.
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//
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// 如果是特别严重的问题(比如 $GOPATH 不存在)则退出进程,另一些不太严重的问题(比如 gocode 不存在)则放入全局通知队列.
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func FixedTimeCheckEnv() {
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go func() {
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for {
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if "" == os.Getenv("GOPATH") {
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glog.Fatal("Not found $GOPATH")
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os.Exit(-1)
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}
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if "" == os.Getenv("GOROOT") {
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glog.Fatal("Not found $GOROOT")
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os.Exit(-1)
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}
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gocode := Wide.GetGocode()
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cmd := exec.Command(gocode, "close")
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_, err := cmd.Output()
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if nil != err {
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event.EventQueue <- event.EvtCodeGocodeNotFound
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glog.Warningf("Not found gocode [%s]", gocode)
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}
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ide_stub := Wide.GetIDEStub()
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cmd = exec.Command(ide_stub, "version")
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_, err = cmd.Output()
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if nil != err {
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event.EventQueue <- event.EvtCodeIDEStubNotFound
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glog.Warningf("Not found ide_stub [%s]", ide_stub)
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}
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// TODO: 7 分钟进行一次检查环境
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time.Sleep(time.Second * 7)
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}
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}()
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}
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// 定时(10 分钟)保存配置.
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//
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// 主要目的是保存用户会话内容,以备下一次用户打开 Wide 时进行会话还原.
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func FixedTimeSave() {
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go func() {
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for {
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Save()
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// 10 分钟进行一次配置保存
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time.Sleep(time.Minute * 10)
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}
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}()
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}
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// 获取 username 指定的用户的工作空间路径,查找不到时返回空字符串.
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func (*conf) GetUserWorkspace(username string) string {
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for _, user := range Wide.Users {
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if user.Name == username {
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ret := strings.Replace(user.Workspace, "{pwd}", Wide.Pwd, 1)
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return filepath.FromSlash(ret)
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}
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}
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return ""
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}
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// 获取工作空间路径.
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func (user *User) getWorkspace() string {
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ret := strings.Replace(user.Workspace, "{pwd}", Wide.Pwd, 1)
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return filepath.FromSlash(ret)
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}
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// 获取 username 指定的用户配置.
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func (*conf) GetUser(username string) *User {
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for _, user := range Wide.Users {
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if user.Name == username {
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return user
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}
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}
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return nil
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}
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// 获取 gocode 路径.
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func (*conf) GetGocode() string {
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return getGOBIN() + "gocode"
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}
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// 获取 ide_stub 路径.
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func (*conf) GetIDEStub() string {
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return getGOBIN() + "ide_stub"
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}
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// 获取 GOBIN 路径,末尾带路径分隔符.
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func getGOBIN() string {
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// $GOBIN/
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ret := os.Getenv("GOBIN")
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if "" != ret {
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return ret + string(os.PathSeparator)
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}
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// $GOPATH/bin/$GOOS_$GOARCH/
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ret = os.Getenv("GOPATH") + string(os.PathSeparator) + "bin" + string(os.PathSeparator) +
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os.Getenv("GOOS") + "_" + os.Getenv("GOARCH")
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if isExist(ret) {
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return ret + string(os.PathSeparator)
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}
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// $GOPATH/bin/{runtime.GOOS}_{runtime.GOARCH}/
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ret = os.Getenv("GOPATH") + string(os.PathSeparator) + "bin" + string(os.PathSeparator) +
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runtime.GOOS + "_" + runtime.GOARCH
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if isExist(ret) {
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return ret + string(os.PathSeparator)
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}
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// $GOPATH/bin/
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return os.Getenv("GOPATH") + string(os.PathSeparator) + "bin" + string(os.PathSeparator)
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}
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// 保存 Wide 配置.
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func Save() bool {
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// 只有 Users 是会运行时变化的,其他属性只能手工维护 wide.json 配置文件
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rawWide.Users = Wide.Users
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// 原始配置文件内容
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bytes, err := json.MarshalIndent(rawWide, "", " ")
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if nil != err {
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glog.Error(err)
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return false
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}
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if err = ioutil.WriteFile("conf/wide.json", bytes, 0644); nil != err {
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glog.Error(err)
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return false
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}
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return true
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}
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// 加载 Wide 配置.
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func Load() {
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bytes, _ := ioutil.ReadFile("conf/wide.json")
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err := json.Unmarshal(bytes, &Wide)
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if err != nil {
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glog.Error(err)
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os.Exit(-1)
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}
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// 保存未经变量替换处理的原始配置文件,用于写回时
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json.Unmarshal(bytes, &rawWide)
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ip, err := util.Net.LocalIP()
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if err != nil {
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glog.Error(err)
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os.Exit(-1)
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}
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glog.V(3).Infof("IP [%s]", ip)
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Wide.Server = strings.Replace(Wide.Server, "{IP}", ip, 1)
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Wide.StaticServer = strings.Replace(Wide.StaticServer, "{IP}", ip, 1)
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Wide.EditorChannel = strings.Replace(Wide.EditorChannel, "{IP}", ip, 1)
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Wide.OutputChannel = strings.Replace(Wide.OutputChannel, "{IP}", ip, 1)
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Wide.ShellChannel = strings.Replace(Wide.ShellChannel, "{IP}", ip, 1)
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Wide.SessionChannel = strings.Replace(Wide.SessionChannel, "{IP}", ip, 1)
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// 获取当前执行路径
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file, _ := exec.LookPath(os.Args[0])
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pwd, _ := filepath.Abs(file)
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pwd = pwd[:strings.LastIndex(pwd, string(os.PathSeparator))]
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Wide.Pwd = pwd
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glog.V(3).Infof("pwd [%s]", pwd)
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glog.V(3).Info("Conf: \n" + string(bytes))
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}
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// 检查文件或目录是否存在.
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//
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// 如果由 filename 指定的文件或目录存在则返回 true,否则返回 false.
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func isExist(filename string) bool {
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_, err := os.Stat(filename)
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return err == nil || os.IsExist(err)
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}
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