amorfo77/restic
1
0
Fork 0
mirror of https://github.com/restic/restic.git synced 2026-08-04 21:22:16 +00:00
Code Issues Projects Releases Wiki Activity

Add FindBlobsForPacks()

Browse Source
This commit is contained in:
Alexander Neumann
2015-11-02 18:52:13 +01:00
parent 30cf002574
commit 51aff3ca57
2 changed files with 73 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
checker/repacker.go
+20 -6
View File
@@ -11,14 +11,14 @@ import (
// Repacker extracts still used blobs from packs with unused blobs and creates
// new packs.
type Repacker struct {
unusedBlobs []backend.ID
unusedBlobs backend.IDSet
src, dst *repository.Repository
}
// NewRepacker returns a new repacker that (when Repack() in run) cleans up the
// repository and creates new packs and indexs so that all blobs in unusedBlobs
// aren't used any more.
func NewRepacker(src, dst *repository.Repository, unusedBlobs []backend.ID) *Repacker {
func NewRepacker(src, dst *repository.Repository, unusedBlobs backend.IDSet) *Repacker {
return &Repacker{
src: src,
dst: dst,
@@ -30,7 +30,8 @@ func NewRepacker(src, dst *repository.Repository, unusedBlobs []backend.ID) *Rep
// blobs, extracts them and creates new packs with just the still-in-use blobs.
func (r *Repacker) Repack() error {
debug.Log("Repacker.Repack", "searching packs for %v", r.unusedBlobs)
packs, err := FindPacksforBlobs(r.src, r.unusedBlobs)
packs, err := FindPacksForBlobs(r.src, r.unusedBlobs)
if err != nil {
return err
}
@@ -40,11 +41,11 @@ func (r *Repacker) Repack() error {
return nil
}
// FindPacksforBlobs returns the set of packs that contain the blobs.
func FindPacksforBlobs(repo *repository.Repository, blobs []backend.ID) (backend.IDSet, error) {
// FindPacksForBlobs returns the set of packs that contain the blobs.
func FindPacksForBlobs(repo *repository.Repository, blobs backend.IDSet) (backend.IDSet, error) {
packs := backend.NewIDSet()
idx := repo.Index()
for _, id := range blobs {
for id := range blobs {
blob, err := idx.Lookup(id)
if err != nil {
return nil, err
@@ -56,6 +57,19 @@ func FindPacksforBlobs(repo *repository.Repository, blobs []backend.ID) (backend
return packs, nil
}
// FindBlobsForPacks returns the set of blobs contained in a pack of packs.
func FindBlobsForPacks(repo *repository.Repository, packs backend.IDSet) (backend.IDSet, error) {
blobs := backend.NewIDSet()
for packID := range packs {
for _, packedBlob := range repo.Index().ListPack(packID) {
blobs.Insert(packedBlob.ID)
}
}
return blobs, nil
}
// repackBlob loads a single blob from src and saves it in dst.
func repackBlob(src, dst *repository.Repository, id backend.ID) error {
blob, err := src.Index().Lookup(id)