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master
tools/osutils/dir.go
79 строк
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Gani Georgiev
avoid unnecessary copying the backup archive on restore when the local file system is used
14 дек 2024, 11:16
14 дек 2024, 11:16
d5d764f
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package osutils import ( "errors" "os" "path/filepath" "github.com/pocketbase/pocketbase/tools/list" ) // MoveDirContent moves the src dir content, that is not listed in the exclude list, // to dest dir (it will be created if missing). // // The rootExclude argument is used to specify a list of src root entries to exclude. // // Note that this method doesn't delete the old src dir. // // It is an alternative to os.Rename() for the cases where we can't // rename/delete the src dir (see https://github.com/pocketbase/pocketbase/issues/2519). func MoveDirContent(src string, dest string, rootExclude ...string) error { entries, err := os.ReadDir(src) if err != nil { return err } // make sure that the dest dir exist manuallyCreatedDestDir := false if _, err := os.Stat(dest); err != nil { if err := os.Mkdir(dest, os.ModePerm); err != nil { return err } manuallyCreatedDestDir = true } moved := map[string]string{} tryRollback := func() []error { errs := []error{} for old, new := range moved { if err := os.Rename(new, old); err != nil { errs = append(errs, err) } } // try to delete manually the created dest dir if all moved files were restored if manuallyCreatedDestDir && len(errs) == 0 { if err := os.Remove(dest); err != nil { errs = append(errs, err) } } return errs } for _, entry := range entries { basename := entry.Name() if list.ExistInSlice(basename, rootExclude) { continue } old := filepath.Join(src, basename) new := filepath.Join(dest, basename) if err := os.Rename(old, new); err != nil { if errs := tryRollback(); len(errs) > 0 { errs = append(errs, err) err = errors.Join(errs...) } return err } moved[old] = new } return nil }