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Add Index.LookupSize

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This commit is contained in:
Matthieu Rakotojaona 2015-07-19 15:16:16 +02:00
parent c9d8ab9be5
commit ca6b7ec533
2 changed files with 13 additions and 3 deletions
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5
cmd/restic/fuse/file.go
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@ -2,7 +2,6 @@ package fuse
import ( import (
"github.com/restic/restic" "github.com/restic/restic"
"github.com/restic/restic/crypto"
"github.com/restic/restic/pack" "github.com/restic/restic/pack"
"github.com/restic/restic/repository" "github.com/restic/restic/repository"
@ -25,11 +24,11 @@ type file struct {
func newFile(repo *repository.Repository, node *restic.Node) (*file, error) { func newFile(repo *repository.Repository, node *restic.Node) (*file, error) {
sizes := make([]uint32, len(node.Content)) sizes := make([]uint32, len(node.Content))
for i, blobId := range node.Content { for i, blobId := range node.Content {
_, _, _, length, err := repo.Index().Lookup(blobId) length, err := repo.Index().LookupSize(blobId)
if err != nil { if err != nil {
return nil, err return nil, err
} }
sizes[i] = uint32(length) - crypto.Extension sizes[i] = uint32(length)
} }
return &file{ return &file{

11
repository/index.go
View file

@ -7,6 +7,7 @@ import (
"sync" "sync"
"github.com/restic/restic/backend" "github.com/restic/restic/backend"
"github.com/restic/restic/crypto"
"github.com/restic/restic/debug" "github.com/restic/restic/debug"
"github.com/restic/restic/pack" "github.com/restic/restic/pack"
) )
@ -91,6 +92,16 @@ func (idx *Index) Has(id backend.ID) bool {
return false return false
} }
// LookupSize returns the length of the cleartext content behind the
// given id
func (idx *Index) LookupSize(id backend.ID) (cleartextLength uint, err error) {
_, _, _, encryptedLength, err := idx.Lookup(id)
if err != nil {
return 0, err
}
return encryptedLength - crypto.Extension, nil
}
// Merge loads all items from other into idx. // Merge loads all items from other into idx.
func (idx *Index) Merge(other *Index) { func (idx *Index) Merge(other *Index) {
debug.Log("Index.Merge", "Merge index with %p", other) debug.Log("Index.Merge", "Merge index with %p", other)