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Code Issues Releases Wiki Activity

ls: Use walker for ls

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This commit is contained in:
Alexander Neumann 2018-06-09 23:31:31 +02:00
parent 251335f124
commit 8f26fe271c
2 changed files with 17 additions and 23 deletions
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36
cmd/restic/cmd_ls.go
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@ -2,13 +2,12 @@ package main
import (
"context"
"path"
"github.com/spf13/cobra"
"github.com/restic/restic/internal/errors"
"github.com/restic/restic/internal/repository"
"github.com/restic/restic/internal/restic"
"github.com/restic/restic/internal/walker"
)
var cmdLs = &cobra.Command{
@ -46,26 +45,6 @@ func init() {
flags.StringArrayVar(&lsOptions.Paths, "path", nil, "only consider snapshots which include this (absolute) `path`, when no snapshot ID is given")
}
func printTree(ctx context.Context, repo *repository.Repository, id *restic.ID, prefix string) error {
tree, err := repo.LoadTree(ctx, *id)
if err != nil {
return err
}
for _, entry := range tree.Nodes {
entryPath := path.Join(prefix, entry.Name)
Printf("%s\n", formatNode(entryPath, entry, lsOptions.ListLong))
if entry.Type == "dir" && entry.Subtree != nil {
if err = printTree(ctx, repo, entry.Subtree, entryPath); err != nil {
return err
}
}
}
return nil
}
func runLs(opts LsOptions, gopts GlobalOptions, args []string) error {
if len(args) == 0 && opts.Host == "" && len(opts.Tags) == 0 && len(opts.Paths) == 0 {
return errors.Fatal("Invalid arguments, either give one or more snapshot IDs or set filters.")
@ -85,7 +64,18 @@ func runLs(opts LsOptions, gopts GlobalOptions, args []string) error {
for sn := range FindFilteredSnapshots(ctx, repo, opts.Host, opts.Tags, opts.Paths, args) {
Verbosef("snapshot %s of %v at %s):\n", sn.ID().Str(), sn.Paths, sn.Time)
if err = printTree(gopts.ctx, repo, sn.Tree, ""); err != nil {
err := walker.Walk(ctx, repo, *sn.Tree, nil, func(nodepath string, node *restic.Node, err error) (bool, error) {
if err != nil {
return false, err
}
if node == nil {
return false, nil
}
Printf("%s\n", formatNode(nodepath, node, lsOptions.ListLong))
return false, nil
})
if err != nil {
return err
}
}

4
internal/walker/walker.go
View File

@ -49,6 +49,10 @@ func Walk(ctx context.Context, repo TreeLoader, root restic.ID, ignoreTrees rest
return err
}
if ignoreTrees == nil {
ignoreTrees = restic.NewIDSet()
}
_, err = walk(ctx, repo, "/", tree, ignoreTrees, walkFn)
return err
}