92 lines
1.9 KiB
Go
92 lines
1.9 KiB
Go
package main
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/restic/restic"
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"github.com/restic/restic/backend"
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)
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type CmdLs struct{}
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func init() {
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_, err := parser.AddCommand("ls",
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"list files",
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"The ls command lists all files and directories in a snapshot",
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&CmdLs{})
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if err != nil {
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panic(err)
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}
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}
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func print_node(prefix string, n *restic.Node) string {
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switch n.Type {
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case "file":
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return fmt.Sprintf("%s %5d %5d %6d %s %s",
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n.Mode, n.UID, n.GID, n.Size, n.ModTime, filepath.Join(prefix, n.Name))
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case "dir":
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return fmt.Sprintf("%s %5d %5d %6d %s %s",
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n.Mode|os.ModeDir, n.UID, n.GID, n.Size, n.ModTime, filepath.Join(prefix, n.Name))
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case "symlink":
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return fmt.Sprintf("%s %5d %5d %6d %s %s -> %s",
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n.Mode|os.ModeSymlink, n.UID, n.GID, n.Size, n.ModTime, filepath.Join(prefix, n.Name), n.LinkTarget)
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default:
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return fmt.Sprintf("<Node(%s) %s>", n.Type, n.Name)
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}
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}
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func print_tree(prefix string, s restic.Server, blob restic.Blob) error {
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tree, err := restic.LoadTree(s, blob)
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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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fmt.Println(print_node(prefix, entry))
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if entry.Type == "dir" && entry.Subtree != nil {
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b, err := tree.Map.FindID(entry.Subtree)
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if err != nil {
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return err
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}
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err = print_tree(filepath.Join(prefix, entry.Name), s, b)
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if 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 (cmd CmdLs) Usage() string {
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return "snapshot-ID [DIR]"
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}
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func (cmd CmdLs) Execute(args []string) error {
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if len(args) < 1 || len(args) > 2 {
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return fmt.Errorf("wrong number of arguments, Usage: %s", cmd.Usage())
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}
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s, err := OpenRepo()
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if err != nil {
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return err
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}
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id, err := backend.FindSnapshot(s, args[0])
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if err != nil {
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return err
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}
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sn, err := restic.LoadSnapshot(s, id)
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if err != nil {
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return err
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}
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fmt.Printf("snapshot of %s at %s:\n", sn.Dir, sn.Time)
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return print_tree("", s, sn.Tree)
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}
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