forked from TrueCloudLab/restic
92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
package main
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import (
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"context"
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"path/filepath"
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"github.com/spf13/cobra"
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"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/repository"
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"github.com/restic/restic/internal/restic"
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)
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var cmdLs = &cobra.Command{
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Use: "ls [flags] [snapshot-ID ...]",
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Short: "List files in a snapshot",
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Long: `
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The "ls" command allows listing files and directories in a snapshot.
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The special snapshot-ID "latest" can be used to list files and directories of the latest snapshot in the repository.
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`,
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DisableAutoGenTag: true,
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RunE: func(cmd *cobra.Command, args []string) error {
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return runLs(lsOptions, globalOptions, args)
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},
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}
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// LsOptions collects all options for the ls command.
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type LsOptions struct {
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ListLong bool
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Host string
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Tags restic.TagLists
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Paths []string
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}
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var lsOptions LsOptions
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func init() {
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cmdRoot.AddCommand(cmdLs)
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flags := cmdLs.Flags()
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flags.BoolVarP(&lsOptions.ListLong, "long", "l", false, "use a long listing format showing size and mode")
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flags.StringVarP(&lsOptions.Host, "host", "H", "", "only consider snapshots for this `host`, when no snapshot ID is given")
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flags.Var(&lsOptions.Tags, "tag", "only consider snapshots which include this `taglist`, when no snapshot ID is given")
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flags.StringArrayVar(&lsOptions.Paths, "path", nil, "only consider snapshots which include this (absolute) `path`, when no snapshot ID is given")
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}
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func printTree(repo *repository.Repository, id *restic.ID, prefix string) error {
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tree, err := repo.LoadTree(context.TODO(), *id)
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if err != nil {
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return err
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}
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for _, entry := range tree.Nodes {
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Printf("%s\n", formatNode(prefix, entry, lsOptions.ListLong))
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if entry.Type == "dir" && entry.Subtree != nil {
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if err = printTree(repo, entry.Subtree, filepath.Join(prefix, entry.Name)); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func runLs(opts LsOptions, gopts GlobalOptions, args []string) error {
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if len(args) == 0 && opts.Host == "" && len(opts.Tags) == 0 && len(opts.Paths) == 0 {
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return errors.Fatal("Invalid arguments, either give one or more snapshot IDs or set filters.")
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}
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repo, err := OpenRepository(gopts)
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if err != nil {
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return err
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}
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if err = repo.LoadIndex(context.TODO()); err != nil {
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return err
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}
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ctx, cancel := context.WithCancel(gopts.ctx)
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defer cancel()
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for sn := range FindFilteredSnapshots(ctx, repo, opts.Host, opts.Tags, opts.Paths, args) {
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Verbosef("snapshot %s of %v at %s):\n", sn.ID().Str(), sn.Paths, sn.Time)
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if err = printTree(repo, sn.Tree, string(filepath.Separator)); err != nil {
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return err
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}
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}
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return nil
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}
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