66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
package config
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import (
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"os"
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"path/filepath"
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"sort"
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"strings"
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"git.pcux.cn/xuans/Smail/utils/runtimepath"
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)
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// ListBackups 枚举合法备份的代次和时间，不返回内部路径。
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func (s *TransactionStore) ListBackups() ([]ConfigBackupInfo, error) {
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if s == nil || s.root == "" {
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return nil, ErrBackupListingUnavailable
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}
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if runtimepath.DeploymentLayout(s.root) {
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items, err := s.stateBackups()
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if err != nil {
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return nil, err
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}
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result := make([]ConfigBackupInfo, 0, len(items))
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for _, item := range items {
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result = append(result, ConfigBackupInfo{Generation: item.Backup.Generation, CreatedAt: item.Backup.CreatedAt})
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}
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return result, nil
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}
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configDirectory, err := secureManagerConfigDirectory(s.root)
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if err != nil {
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return nil, err
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}
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backupsDirectory, err := secureConfigBackupDirectory(configDirectory)
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if err != nil {
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return nil, err
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}
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entries, err := os.ReadDir(backupsDirectory)
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if err != nil {
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if os.IsNotExist(err) {
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return []ConfigBackupInfo{}, nil
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}
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return nil, err
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}
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result := make([]ConfigBackupInfo, 0, len(entries))
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for _, entry := range entries {
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if strings.HasPrefix(entry.Name(), ".") {
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continue
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}
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if entry.Type()&os.ModeSymlink != 0 || !entry.IsDir() {
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return nil, ErrTransactionInvalid
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}
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runtime, manifest, loadErr := loadConfigBackup(filepath.Join(backupsDirectory, entry.Name()), s.validation)
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if loadErr != nil {
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return nil, loadErr
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}
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_ = runtime
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result = append(result, ConfigBackupInfo{Generation: manifest.Generation, CreatedAt: manifest.CreatedAt})
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}
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sort.Slice(result, func(i, j int) bool {
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if result[i].CreatedAt.Equal(result[j].CreatedAt) {
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return result[i].Generation > result[j].Generation
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}
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return result[i].CreatedAt.After(result[j].CreatedAt)
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})
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return result, nil
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}
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