465 lines
14 KiB
Go
465 lines
14 KiB
Go
package services
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import (
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"context"
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"errors"
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"fmt"
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"github.com/creativeprojects/go-selfupdate"
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"github.com/wailsapp/wails/v3/pkg/services/log"
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"os"
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"runtime"
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"time"
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"voidraft/internal/models"
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)
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// SelfUpdateResult 自我更新结果
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type SelfUpdateResult struct {
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HasUpdate bool `json:"hasUpdate"` // 是否有更新
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CurrentVersion string `json:"currentVersion"` // 当前版本
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LatestVersion string `json:"latestVersion"` // 最新版本
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UpdateApplied bool `json:"updateApplied"` // 是否已应用更新
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AssetURL string `json:"assetURL"` // 下载链接
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ReleaseNotes string `json:"releaseNotes"` // 发布说明
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Error string `json:"error"` // 错误信息
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Source string `json:"source"` // 更新源（github/gitea）
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}
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// SelfUpdateService 自我更新服务
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type SelfUpdateService struct {
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logger *log.Service
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configService *ConfigService
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config *models.AppConfig
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// 状态管理
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isUpdating bool
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}
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// NewSelfUpdateService 创建自我更新服务实例
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func NewSelfUpdateService(configService *ConfigService, logger *log.Service) (*SelfUpdateService, error) {
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// 获取配置
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appConfig, err := configService.GetConfig()
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if err != nil {
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return nil, fmt.Errorf("failed to get config: %w", err)
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}
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service := &SelfUpdateService{
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logger: logger,
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configService: configService,
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config: appConfig,
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isUpdating: false,
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}
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return service, nil
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}
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// CheckForUpdates 检查更新
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func (s *SelfUpdateService) CheckForUpdates(ctx context.Context) (*SelfUpdateResult, error) {
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result := &SelfUpdateResult{
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CurrentVersion: s.config.Updates.Version,
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HasUpdate: false,
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UpdateApplied: false,
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}
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// 首先尝试主要更新源
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primaryResult, err := s.checkSourceForUpdates(ctx, s.config.Updates.PrimarySource)
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if err == nil && primaryResult != nil {
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return primaryResult, nil
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}
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// 如果主要更新源失败，尝试备用更新源
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backupResult, backupErr := s.checkSourceForUpdates(ctx, s.config.Updates.BackupSource)
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if backupErr != nil {
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// 如果备用源也失败，返回主要源的错误信息
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result.Error = fmt.Sprintf("Primary source error: %v; Backup source error: %v", err, backupErr)
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return result, errors.New(result.Error)
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}
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return backupResult, nil
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}
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// checkSourceForUpdates 根据更新源类型检查更新
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func (s *SelfUpdateService) checkSourceForUpdates(ctx context.Context, sourceType models.UpdateSourceType) (*SelfUpdateResult, error) {
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// 创建带超时的上下文
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timeout := s.config.Updates.UpdateTimeout
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if timeout <= 0 {
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timeout = 30 // 默认30秒
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}
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timeoutCtx, cancel := context.WithTimeout(ctx, time.Duration(timeout)*time.Second)
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defer cancel()
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result := &SelfUpdateResult{
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CurrentVersion: s.config.Updates.Version,
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HasUpdate: false,
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UpdateApplied: false,
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Source: string(sourceType),
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}
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var release *selfupdate.Release
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var found bool
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var err error
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switch sourceType {
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case models.UpdateSourceGithub:
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release, found, err = s.checkGithubUpdates(timeoutCtx)
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case models.UpdateSourceGitea:
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release, found, err = s.checkGiteaUpdates(timeoutCtx)
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default:
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return nil, fmt.Errorf("unsupported update source type: %s", sourceType)
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}
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if err != nil {
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result.Error = fmt.Sprintf("Failed to check for updates: %v", err)
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return result, err
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}
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if !found {
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result.Error = fmt.Sprintf("No release found for %s/%s on %s",
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runtime.GOOS, runtime.GOARCH, s.getRepoName(sourceType))
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return result, errors.New(result.Error)
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}
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result.LatestVersion = release.Version()
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result.AssetURL = release.AssetURL
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result.ReleaseNotes = release.ReleaseNotes
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// 比较版本
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if release.GreaterThan(s.config.Updates.Version) {
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result.HasUpdate = true
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} else {
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s.logger.Info("Current version is up to date")
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}
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return result, nil
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}
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// createGithubUpdater 创建GitHub更新器
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func (s *SelfUpdateService) createGithubUpdater() (*selfupdate.Updater, error) {
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// 使用默认的GitHub源
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updaterConfig := selfupdate.Config{}
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return selfupdate.NewUpdater(updaterConfig)
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}
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// createGiteaUpdater 创建Gitea更新器
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func (s *SelfUpdateService) createGiteaUpdater() (*selfupdate.Updater, error) {
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giteaConfig := s.config.Updates.Gitea
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// 创建Gitea源
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source, err := selfupdate.NewGiteaSource(selfupdate.GiteaConfig{
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BaseURL: giteaConfig.BaseURL,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to create Gitea source: %w", err)
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}
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// 创建使用Gitea源的更新器
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updaterConfig := selfupdate.Config{
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Source: source,
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}
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return selfupdate.NewUpdater(updaterConfig)
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}
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// checkGithubUpdates 检查GitHub更新
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func (s *SelfUpdateService) checkGithubUpdates(ctx context.Context) (*selfupdate.Release, bool, error) {
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// 创建GitHub更新器
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updater, err := s.createGithubUpdater()
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if err != nil {
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return nil, false, fmt.Errorf("failed to create GitHub updater: %w", err)
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}
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githubConfig := s.config.Updates.Github
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repository := selfupdate.NewRepositorySlug(githubConfig.Owner, githubConfig.Repo)
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// 检测最新版本
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return updater.DetectLatest(ctx, repository)
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}
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// checkGiteaUpdates 检查Gitea更新
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func (s *SelfUpdateService) checkGiteaUpdates(ctx context.Context) (*selfupdate.Release, bool, error) {
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// 创建Gitea更新器
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updater, err := s.createGiteaUpdater()
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if err != nil {
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return nil, false, fmt.Errorf("failed to create Gitea updater: %w", err)
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}
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giteaConfig := s.config.Updates.Gitea
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repository := selfupdate.NewRepositorySlug(giteaConfig.Owner, giteaConfig.Repo)
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// 检测最新版本
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return updater.DetectLatest(ctx, repository)
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}
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// getRepoName 获取当前更新源的仓库名称
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func (s *SelfUpdateService) getRepoName(sourceType models.UpdateSourceType) string {
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switch sourceType {
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case models.UpdateSourceGithub:
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return s.config.Updates.Github.Repo
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case models.UpdateSourceGitea:
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return s.config.Updates.Gitea.Repo
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default:
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return "unknown"
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}
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}
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// ApplyUpdate 应用更新
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func (s *SelfUpdateService) ApplyUpdate(ctx context.Context) (*SelfUpdateResult, error) {
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if s.isUpdating {
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return nil, errors.New("update is already in progress")
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}
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s.isUpdating = true
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defer func() {
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s.isUpdating = false
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}()
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// 获取可执行文件路径
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exe, err := selfupdate.ExecutablePath()
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if err != nil {
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return &SelfUpdateResult{
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CurrentVersion: s.config.Updates.Version,
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Error: fmt.Sprintf("Could not locate executable path: %v", err),
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}, err
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}
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// 创建带超时的上下文，仅用于检测最新版本
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timeout := s.config.Updates.UpdateTimeout
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if timeout <= 0 {
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timeout = 30 // 默认30秒
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}
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checkTimeoutCtx, cancel := context.WithTimeout(ctx, time.Duration(timeout)*time.Second)
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defer cancel()
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result := &SelfUpdateResult{
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CurrentVersion: s.config.Updates.Version,
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}
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// 首先尝试从主要更新源获取更新信息
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primarySourceType := s.config.Updates.PrimarySource
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backupSourceType := s.config.Updates.BackupSource
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result.Source = string(primarySourceType)
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// 从主更新源获取更新信息
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primaryUpdater, primaryRelease, primaryFound, err := s.getUpdateFromSource(checkTimeoutCtx, primarySourceType)
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if err != nil || !primaryFound {
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// 主更新源失败，直接尝试备用源
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return s.updateFromSource(ctx, backupSourceType, exe)
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}
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// 检查是否有可用更新
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if !primaryRelease.GreaterThan(s.config.Updates.Version) {
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s.logger.Info("Current version is up to date, no need to apply update")
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result.LatestVersion = primaryRelease.Version()
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return result, nil
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}
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// 更新结果信息
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result.LatestVersion = primaryRelease.Version()
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result.AssetURL = primaryRelease.AssetURL
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result.ReleaseNotes = primaryRelease.ReleaseNotes
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result.HasUpdate = true
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// 备份当前可执行文件（如果启用）
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var backupPath string
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if s.config.Updates.BackupBeforeUpdate {
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var err error
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backupPath, err = s.createBackup(exe)
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if err != nil {
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result.Error = fmt.Sprintf("Failed to create backup: %v", err)
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return result, err
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}
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}
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// 从主要源尝试下载并应用更新，不设置超时
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err = primaryUpdater.UpdateTo(ctx, primaryRelease, exe)
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// 如果主要源下载失败，尝试备用源
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if err != nil {
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// 尝试从备用源更新
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backupResult, backupErr := s.updateFromSource(ctx, backupSourceType, exe)
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// 如果备用源也失败，清理并返回错误
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if backupErr != nil {
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if backupPath != "" {
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s.cleanupBackup(backupPath)
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}
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result.Error = fmt.Sprintf("Update failed from both sources: primary error: %v; backup error: %v", err, backupErr)
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return result, errors.New(result.Error)
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}
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// 备用源成功
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return backupResult, nil
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}
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// 主要源更新成功
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result.UpdateApplied = true
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// 更新成功后清理备份文件
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if backupPath != "" {
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if err := s.cleanupBackup(backupPath); err != nil {
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s.logger.Error("Failed to cleanup backup", "error", err)
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}
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}
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// 更新配置中的版本号
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if err := s.updateConfigVersion(result.LatestVersion); err != nil {
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s.logger.Error("Failed to update config version", "error", err)
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}
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return result, nil
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}
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// updateFromSource 从指定源尝试下载并应用更新
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func (s *SelfUpdateService) updateFromSource(ctx context.Context, sourceType models.UpdateSourceType, exe string) (*SelfUpdateResult, error) {
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// 创建带超时的上下文，仅用于检测最新版本
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checkTimeoutCtx, cancel := context.WithTimeout(ctx, time.Duration(s.config.Updates.UpdateTimeout)*time.Second)
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defer cancel()
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result := &SelfUpdateResult{
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CurrentVersion: s.config.Updates.Version,
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Source: string(sourceType),
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}
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s.logger.Info("Attempting to update from source", "source", sourceType)
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// 获取更新信息
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updater, release, found, err := s.getUpdateFromSource(checkTimeoutCtx, sourceType)
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if err != nil {
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result.Error = fmt.Sprintf("Failed to detect latest release from %s: %v", sourceType, err)
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return result, err
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}
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if !found {
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result.Error = fmt.Sprintf("Latest release not found from %s", sourceType)
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return result, errors.New(result.Error)
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}
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// 更新结果信息
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result.LatestVersion = release.Version()
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result.AssetURL = release.AssetURL
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result.ReleaseNotes = release.ReleaseNotes
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// 检查是否有更新
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if !release.GreaterThan(s.config.Updates.Version) {
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s.logger.Info("Current version is up to date, no need to apply update")
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return result, nil
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}
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// 标记有更新可用
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result.HasUpdate = true
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// 备份当前可执行文件（如果启用且尚未备份）
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var backupPath string
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if s.config.Updates.BackupBeforeUpdate {
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s.logger.Info("Creating backup before update...")
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var err error
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backupPath, err = s.createBackup(exe)
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if err != nil {
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result.Error = fmt.Sprintf("Failed to create backup: %v", err)
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return result, err
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}
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}
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// 尝试下载并应用更新，不设置超时
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s.logger.Info("Downloading update...", "source", sourceType)
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err = updater.UpdateTo(ctx, release, exe)
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if err != nil {
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result.Error = fmt.Sprintf("Failed to apply update from %s: %v", sourceType, err)
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// 移除下载失败时恢复备份的逻辑，让用户手动处理
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if backupPath != "" {
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s.logger.Info("Update failed, backup is available at: " + backupPath)
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}
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return result, err
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}
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result.UpdateApplied = true
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// 更新成功后清理备份文件
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if backupPath != "" {
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if err := s.cleanupBackup(backupPath); err != nil {
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s.logger.Error("Failed to cleanup backup", "error", err)
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}
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}
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// 更新配置中的版本号
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if err := s.updateConfigVersion(result.LatestVersion); err != nil {
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s.logger.Error("Failed to update config version", "error", err)
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}
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return result, nil
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}
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// getUpdateFromSource 从指定源获取更新信息
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func (s *SelfUpdateService) getUpdateFromSource(ctx context.Context, sourceType models.UpdateSourceType) (*selfupdate.Updater, *selfupdate.Release, bool, error) {
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var updater *selfupdate.Updater
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var release *selfupdate.Release
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var found bool
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var err error
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switch sourceType {
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case models.UpdateSourceGithub:
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updater, err = s.createGithubUpdater()
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if err != nil {
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return nil, nil, false, fmt.Errorf("failed to create GitHub updater: %w", err)
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}
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release, found, err = s.checkGithubUpdates(ctx)
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case models.UpdateSourceGitea:
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updater, err = s.createGiteaUpdater()
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if err != nil {
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return nil, nil, false, fmt.Errorf("failed to create Gitea updater: %w", err)
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}
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release, found, err = s.checkGiteaUpdates(ctx)
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default:
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return nil, nil, false, fmt.Errorf("unsupported update source type: %s", sourceType)
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}
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return updater, release, found, err
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}
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// RestartApplication 重启应用程序
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func (s *SelfUpdateService) RestartApplication() error {
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return s.restartApplication()
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}
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// updateConfigVersion 更新配置中的版本号
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func (s *SelfUpdateService) updateConfigVersion(version string) error {
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// 使用configService更新配置中的版本号
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if err := s.configService.Set("updates.version", version); err != nil {
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return fmt.Errorf("failed to update config version: %w", err)
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}
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return nil
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}
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// createBackup 创建当前可执行文件的备份
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func (s *SelfUpdateService) createBackup(executablePath string) (string, error) {
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backupPath := executablePath + ".backup"
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// 读取原文件
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data, err := os.ReadFile(executablePath)
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if err != nil {
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return "", fmt.Errorf("failed to read executable: %w", err)
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}
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// 写入备份文件
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err = os.WriteFile(backupPath, data, 0755)
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if err != nil {
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return "", fmt.Errorf("failed to create backup: %w", err)
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}
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return backupPath, nil
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}
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// cleanupBackup 清理备份文件
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func (s *SelfUpdateService) cleanupBackup(backupPath string) error {
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if err := os.Remove(backupPath); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("failed to remove backup file: %w", err)
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}
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return nil
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}
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