Function cleanConfigDirectory

cmd/syncthing/main.go:788–827

cleanConfigDirectory removes old, unused configuration and index formats, a suitable time after they have gone out of fashion.

()

// cleanConfigDirectory removes old, unused configuration and index formats, a
// suitable time after they have gone out of fashion.
func cleanConfigDirectory() {
	patterns := map[string]time.Duration{
		"panic-*.log":               7 * 24 * time.Hour,  // keep panic logs for a week
		"audit-*.log":               7 * 24 * time.Hour,  // keep audit logs for a week
		"index-v0.14.0.db-migrated": 14 * 24 * time.Hour, // keep old index format for two weeks
		"config.xml.v*":             30 * 24 * time.Hour, // old config versions for a month
		"support-bundle-*":          30 * 24 * time.Hour, // keep old support bundle zip or folder for a month
	}

	locations := slices.Compact([]string{
		locations.GetBaseDir(locations.ConfigBaseDir),
		locations.GetBaseDir(locations.DataBaseDir),
	})
	for _, loc := range locations {
		fs := fs.NewFilesystem(fs.FilesystemTypeBasic, loc)
		for pat, dur := range patterns {
			entries, err := fs.Glob(pat)
			if err != nil {
				slog.Warn("Failed to clean config directory", slogutil.Error(err))
				continue
			}

			for _, entry := range entries {
				info, err := fs.Lstat(entry)
				if err != nil {
					slog.Warn("Failed to clean config directory", slogutil.Error(err))
					continue
				}

				if time.Since(info.ModTime()) > dur {
					if err = fs.RemoveAll(entry); err != nil {
						slog.Warn("Failed to clean config directory", slogutil.Error(err))
					} else {
						slog.Warn("Cleaned away old file", slogutil.FilePath(filepath.Base(entry)))
					}
				}
			}
		}
	}
}

func setPauseState(cfgWrapper config.Wrapper, paused bool) {
	_, err := cfgWrapper.Modify(func(cfg *config.Configuration) {