390 lines
12 KiB
Go
390 lines
12 KiB
Go
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// localize.go 提供 Cursor IDE 汉化能力。
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// 通过关闭 Cursor 进程后运行社区汉化包，将语言包写入 Cursor 安装目录。
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package cursor
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import (
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"bytes"
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"context"
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"fmt"
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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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"sync"
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"time"
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"cursor/internal/logger"
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"cursor/internal/winexec"
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)
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// localizeLanguagePack 是社区汉化包的 npm 包名。
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const localizeLanguagePack = "@polang233/cursor-language-pack@latest"
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// localizeCommandTimeout 限制汉化命令的最长执行时间。
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const localizeCommandTimeout = 10 * time.Minute
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// DetectCursorInstallPath 检测 Cursor IDE 本体的安装目录。
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// Windows 优先读取注册表卸载项，再探测常见路径；返回包含 Cursor 可执行文件的目录。
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// 成功结果会被缓存，后续调用仅在缓存目录失效时重新探测。
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func DetectCursorInstallPath() string {
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if cached := cachedCursorInstallPath(); cached != "" {
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return cached
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}
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if runtime.GOOS == "windows" {
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if dir := detectCursorInstallPathFromRegistry(); dir != "" {
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logger.Infof("cursor install detected source=registry path=%s", dir)
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cacheCursorInstallPath(dir)
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return dir
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}
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}
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if dir := detectCursorInstallPathFromCandidates(); dir != "" {
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logger.Infof("cursor install detected source=candidates path=%s", dir)
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cacheCursorInstallPath(dir)
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return dir
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}
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return ""
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}
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func detectCursorInstallPathFromCandidates() string {
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if dir := scanKnownCandidates(); dir != "" {
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return dir
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}
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if runtime.GOOS == "windows" {
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if dir := scanDriveRootsForCursor(); dir != "" {
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return dir
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}
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}
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return ""
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}
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// scanKnownCandidates 探测常见安装路径。
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func scanKnownCandidates() string {
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homeDir, err := os.UserHomeDir()
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if err != nil {
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return ""
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}
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var candidates []string
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switch runtime.GOOS {
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case "windows":
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localAppData := strings.TrimSpace(os.Getenv("LOCALAPPDATA"))
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if localAppData == "" {
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localAppData = filepath.Join(homeDir, "AppData", "Local")
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}
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candidates = append(candidates,
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filepath.Join(localAppData, "Programs", "cursor"),
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filepath.Join(localAppData, "Programs", "Cursor"),
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filepath.Join(localAppData, "cursor"),
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)
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case "darwin":
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candidates = append(candidates, "/Applications/Cursor.app")
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case "linux":
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candidates = append(candidates,
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"/opt/Cursor",
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"/opt/cursor",
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"/usr/share/cursor",
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filepath.Join(homeDir, ".local", "share", "cursor"),
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)
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}
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for _, dir := range candidates {
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if isCursorInstallDir(dir) {
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return dir
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}
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}
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return ""
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}
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// isCursorInstallDir 判断目录是否为有效的 Cursor 安装目录。
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func isCursorInstallDir(dir string) bool {
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info, err := os.Stat(dir)
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if err != nil || !info.IsDir() {
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return false
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}
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if runtime.GOOS == "darwin" {
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return true
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}
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exe := "cursor"
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if runtime.GOOS == "windows" {
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exe = "Cursor.exe"
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}
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if _, err := os.Stat(filepath.Join(dir, exe)); err == nil {
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return true
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}
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return false
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}
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// installPathCache 缓存已探测成功的安装目录，避免心跳重复执行全量扫描。
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var installPathCache struct {
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sync.RWMutex
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dir string
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}
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// cachedCursorInstallPath 返回缓存中仍有效的安装目录。
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func cachedCursorInstallPath() string {
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installPathCache.RLock()
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dir := installPathCache.dir
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installPathCache.RUnlock()
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if dir != "" && isCursorInstallDir(dir) {
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return dir
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}
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installPathCache.Lock()
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if installPathCache.dir == dir {
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installPathCache.dir = ""
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}
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installPathCache.Unlock()
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return ""
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}
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// cacheCursorInstallPath 缓存探测成功的安装目录。
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func cacheCursorInstallPath(dir string) {
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if dir == "" {
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return
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}
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installPathCache.Lock()
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installPathCache.dir = dir
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installPathCache.Unlock()
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}
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// killCursorProcesses 关闭所有 Cursor 进程。
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func killCursorProcesses() error {
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var cmd *exec.Cmd
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switch runtime.GOOS {
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case "windows":
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// taskkill 不会因为目标不存在而返回有意义的错误，这里只关心执行本身。
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cmd = winexec.Command("taskkill", "/IM", "Cursor.exe", "/F")
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case "darwin":
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cmd = exec.Command("pkill", "-x", "Cursor")
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case "linux":
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cmd = exec.Command("pkill", "-f", "cursor")
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default:
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return fmt.Errorf("不支持的平台: %s", runtime.GOOS)
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}
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// 未找到进程时 pkill/taskkill 返回非零值，属于正常情况。
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_ = cmd.Run()
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return nil
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}
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// KillCursorProcesses 强制结束所有 Cursor 进程（供退出联动调用）。
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func KillCursorProcesses() error {
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return killCursorProcesses()
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}
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// OpenCursor 启动 Cursor IDE。
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// installDir 为空时自动检测安装目录。已运行时重复调用会打开新窗口（与官方行为一致）。
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func OpenCursor(installDir string) error {
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installDir = strings.TrimSpace(installDir)
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if installDir == "" {
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installDir = DetectCursorInstallPath()
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}
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if installDir == "" {
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return fmt.Errorf("未检测到 Cursor 安装目录，请手动指定后重试")
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}
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if !isCursorInstallDir(installDir) {
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return fmt.Errorf("指定目录不是有效的 Cursor 安装目录: %s", installDir)
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}
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exeName := "Cursor.exe"
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if runtime.GOOS != "windows" {
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exeName = "Cursor"
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}
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exePath := filepath.Join(installDir, exeName)
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if _, err := os.Stat(exePath); err != nil {
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return fmt.Errorf("找不到 Cursor 可执行文件: %s", exePath)
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}
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// Cursor 是 GUI 子系统程序，直接启动不会弹出控制台；
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// 不使用 winexec（SW_HIDE 会隐藏 GUI 主窗口）。
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cmd := exec.Command(exePath)
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cmd.Dir = installDir
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return cmd.Start()
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}
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// LocalizeCursor 关闭 Cursor 进程并运行汉化包。
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// installDir 为空时自动检测安装目录；非空时使用用户指定的目录。
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// 返回命令输出摘要。
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func LocalizeCursor(installDir string) (string, error) {
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nodeEnv, err := resolveNodeRuntime()
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if err != nil {
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return "", err
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}
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installDir = strings.TrimSpace(installDir)
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if installDir == "" {
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installDir = DetectCursorInstallPath()
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} else if !isCursorInstallDir(installDir) {
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return "", fmt.Errorf("指定目录不是有效的 Cursor 安装目录（缺少 Cursor 可执行文件）: %s", installDir)
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}
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if installDir == "" {
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return "", fmt.Errorf("未检测到 Cursor 安装目录，请手动指定后重试")
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}
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logger.Infof("localize requested install_dir=%s", installDir)
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npmRegistry, npxRegistry, err := inspectNPMRegistries(nodeEnv, installDir)
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if err != nil {
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logger.Errorf("npm registry inspection failed: %v", err)
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return "", err
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}
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logger.Infof("npm registry detected npm=%s npx=%s", npmRegistry, npxRegistry)
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restoreRegistry := useOfficialNPMRegistry()
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defer restoreRegistry()
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if err := killCursorProcesses(); err != nil {
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return "", fmt.Errorf("关闭 Cursor 进程失败: %w", err)
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}
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// 给进程退出留出时间，避免文件被占用。
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time.Sleep(2 * time.Second)
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// 直接通过 node 执行 npx-cli.js，避免 cmd 对含空格安装路径的二次解析。
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args := []string{nodeEnv.npxCLI, "-y", localizeLanguagePack, "--dir=" + installDir}
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output, err := runWithTimeout(nodeEnv.nodePath, args, installDir, localizeCommandTimeout)
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if err != nil {
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return output, commandError("汉化包执行失败", output, err)
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}
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summary := strings.TrimSpace(output)
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if summary == "" {
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summary = "汉化完成，请重新启动 Cursor"
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}
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logger.Infof("localize completed install_dir=%s summary=%s", installDir, summary)
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return summary, nil
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}
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const officialNPMRegistry = "https://registry.npmjs.org/"
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// nodeRuntime 固定 node 与 npm/npx CLI 入口，避免依赖 cmd/PowerShell 的脚本关联。
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type nodeRuntime struct {
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nodePath string
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npmCLI string
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npxCLI string
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}
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// resolveNodeRuntime 在执行任何破坏性操作前探测 Node.js 与 npm/npx CLI。
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func resolveNodeRuntime() (nodeRuntime, error) {
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if mergedPath, found := mergeNodeSearchPath(); found {
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os.Setenv("PATH", mergedPath)
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}
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nodePath, err := exec.LookPath("node")
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if err != nil {
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return nodeRuntime{}, fmt.Errorf("未检测到 Node.js 环境，汉化功能依赖 npx 执行，请先安装 Node.js")
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}
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npmCLI := findNodeCLI(nodePath, "npm-cli.js")
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npxCLI := findNodeCLI(nodePath, "npx-cli.js")
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if npmCLI == "" || npxCLI == "" {
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return nodeRuntime{}, fmt.Errorf("未检测到完整的 npm/npx CLI，请确认 Node.js 已完整安装")
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}
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logger.Infof("node runtime detected node=%s npm_cli=%s npx_cli=%s", nodePath, npmCLI, npxCLI)
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return nodeRuntime{nodePath: nodePath, npmCLI: npmCLI, npxCLI: npxCLI}, nil
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}
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// findNodeCLI 在 Node 安装目录中定位 npm/npx 的 JavaScript 入口。
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func findNodeCLI(nodePath string, scriptName string) string {
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for _, dir := range []string{
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filepath.Join(filepath.Dir(nodePath), "node_modules", "npm", "bin"),
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filepath.Join(filepath.Dir(nodePath), "..", "lib", "node_modules", "npm", "bin"),
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} {
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candidate := filepath.Join(dir, scriptName)
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if info, err := os.Stat(candidate); err == nil && !info.IsDir() {
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return candidate
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}
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}
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return ""
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}
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// inspectNPMRegistries 分别探测 npm 与 npx 的 registry。
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// npx 与 npm 共享配置；部分版本不支持 npx config，此时保留错误日志并回退到 npm 结果。
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func inspectNPMRegistries(nodeEnv nodeRuntime, dir string) (string, string, error) {
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const timeout = 30 * time.Second
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npmOutput, err := runWithTimeout(nodeEnv.nodePath, []string{nodeEnv.npmCLI, "config", "get", "registry"}, dir, timeout)
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if err != nil {
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return "", "", commandError("读取 npm 镜像源失败", npmOutput, err)
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}
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npxOutput, npxErr := runWithTimeout(nodeEnv.nodePath, []string{nodeEnv.npxCLI, "config", "get", "registry"}, dir, timeout)
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npmRegistry := strings.TrimSpace(npmOutput)
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if npxErr != nil {
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logger.Infof("npx registry probe fallback to shared npm config err=%v output=%s", npxErr, commandOutputDetail(npxOutput))
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return npmRegistry, npmRegistry, nil
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}
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return npmRegistry, strings.TrimSpace(npxOutput), nil
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}
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// useOfficialNPMRegistry 仅对当前进程及其子进程临时覆盖 registry。
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// 不读写全局 .npmrc；返回的恢复函数会还原环境变量，成功和失败路径均可调用。
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func useOfficialNPMRegistry() func() {
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keys := []string{"NPM_CONFIG_REGISTRY", "npm_config_registry"}
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restore := overrideEnvironment(keys, officialNPMRegistry)
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logger.Infof("npm registry temporarily overridden official=%s", officialNPMRegistry)
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return func() {
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restore()
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logger.Info("npm registry environment restored")
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}
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}
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// overrideEnvironment 备份并临时设置环境变量，返回恢复原值的函数。
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func overrideEnvironment(keys []string, value string) func() {
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type envBackup struct {
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value string
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exists bool
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}
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|
backup := make(map[string]envBackup, len(keys))
|
|||
|
|
for _, key := range keys {
|
|||
|
|
current, exists := os.LookupEnv(key)
|
|||
|
|
backup[key] = envBackup{value: current, exists: exists}
|
|||
|
|
_ = os.Setenv(key, value)
|
|||
|
|
}
|
|||
|
|
return func() {
|
|||
|
|
for _, key := range keys {
|
|||
|
|
item := backup[key]
|
|||
|
|
if item.exists {
|
|||
|
|
_ = os.Setenv(key, item.value)
|
|||
|
|
} else {
|
|||
|
|
_ = os.Unsetenv(key)
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// commandError 将子进程 stderr/stdout 附加到用户可见错误，避免只剩 exit status。
|
|||
|
|
func commandError(action string, output string, err error) error {
|
|||
|
|
if detail := commandOutputDetail(output); detail != "" {
|
|||
|
|
return fmt.Errorf("%s: %w\n%s", action, err, detail)
|
|||
|
|
}
|
|||
|
|
return fmt.Errorf("%s: %w", action, err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// commandOutputDetail 限制错误摘要长度，同时保持 UTF-8 字符完整。
|
|||
|
|
func commandOutputDetail(output string) string {
|
|||
|
|
const maxRunes = 4000
|
|||
|
|
detail := strings.TrimSpace(output)
|
|||
|
|
if detail == "" {
|
|||
|
|
return ""
|
|||
|
|
}
|
|||
|
|
runes := []rune(detail)
|
|||
|
|
if len(runes) > maxRunes {
|
|||
|
|
detail = "…" + string(runes[len(runes)-maxRunes:])
|
|||
|
|
}
|
|||
|
|
return detail
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// runWithTimeout 带超时地执行命令，记录完整调用上下文并返回合并后的输出。
|
|||
|
|
func runWithTimeout(name string, args []string, dir string, timeout time.Duration) (string, error) {
|
|||
|
|
logger.Infof("command started name=%s args=%q dir=%s", name, args, dir)
|
|||
|
|
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
|||
|
|
defer cancel()
|
|||
|
|
cmd := winexec.Hide(exec.CommandContext(ctx, name, args...))
|
|||
|
|
var buf bytes.Buffer
|
|||
|
|
cmd.Stdout = &buf
|
|||
|
|
cmd.Stderr = &buf
|
|||
|
|
cmd.Dir = dir
|
|||
|
|
err := cmd.Run()
|
|||
|
|
output := buf.String()
|
|||
|
|
if ctx.Err() == context.DeadlineExceeded {
|
|||
|
|
logger.Errorf("command timeout name=%s timeout=%s output=%s", name, timeout, commandOutputDetail(output))
|
|||
|
|
return output, fmt.Errorf("执行超时（%s）", timeout)
|
|||
|
|
}
|
|||
|
|
if err != nil {
|
|||
|
|
logger.Errorf("command failed name=%s err=%v output=%s", name, err, commandOutputDetail(output))
|
|||
|
|
} else {
|
|||
|
|
logger.Infof("command completed name=%s output=%s", name, commandOutputDetail(output))
|
|||
|
|
}
|
|||
|
|
return output, err
|
|||
|
|
}
|