forked from TrueCloudLab/restic
90 lines
1.5 KiB
Go
90 lines
1.5 KiB
Go
package main
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import (
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"log"
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"os"
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"github.com/fd0/khepri"
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)
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func dump_tree(repo *khepri.Repository, id khepri.ID) error {
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tree, err := khepri.NewTreeFromRepo(repo, id)
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if err != nil {
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return err
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}
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buf, err := json.MarshalIndent(tree, "", " ")
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if err != nil {
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return err
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}
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fmt.Printf("tree %s\n%s\n", id, buf)
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for _, node := range tree.Nodes {
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if node.Type == "dir" {
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err = dump_tree(repo, node.Subtree)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: %v\n", 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 dump_snapshot(repo *khepri.Repository, id khepri.ID) error {
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sn, err := khepri.LoadSnapshot(repo, id)
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if err != nil {
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log.Fatalf("error loading snapshot %s", id)
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}
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buf, err := json.MarshalIndent(sn, "", " ")
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if err != nil {
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return err
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}
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fmt.Printf("%s\n%s\n", sn, buf)
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return dump_tree(repo, sn.Content)
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}
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func dump_file(repo *khepri.Repository, id khepri.ID) error {
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rd, err := repo.Get(khepri.TYPE_BLOB, id)
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if err != nil {
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return err
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}
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io.Copy(os.Stdout, rd)
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return nil
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}
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func commandDump(repo *khepri.Repository, args []string) error {
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if len(args) != 2 {
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return errors.New("usage: dump [snapshot|tree|file] ID")
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}
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tpe := args[0]
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id, err := khepri.ParseID(args[1])
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if err != nil {
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errx(1, "invalid id %q: %v", args[0], err)
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}
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switch tpe {
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case "snapshot":
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return dump_snapshot(repo, id)
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case "tree":
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return dump_tree(repo, id)
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case "file":
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return dump_file(repo, id)
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default:
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return fmt.Errorf("invalid type %q", tpe)
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}
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return nil
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}
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