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checker: add option to remove orphaned packs

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This commit is contained in:
Alexander Neumann 2015-07-12 17:09:48 +02:00
parent 5108d91bc7
commit d36f07c6eb
2 changed files with 49 additions and 17 deletions
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22
checker/checker.go
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@ -48,7 +48,8 @@ type Checker struct {
sync.Mutex
M map[mapID]uint
}
indexes map[mapID]*repository.Index
indexes map[mapID]*repository.Index
orphanedPacks backend.IDs
masterIndex *repository.Index
@ -139,12 +140,13 @@ func (c *Checker) LoadIndex() error {
// PackError describes an error with a specific pack.
type PackError struct {
ID backend.ID
error
ID backend.ID
Orphaned bool
Err error
}
func (e PackError) Error() string {
return "pack " + e.ID.String() + ": " + e.error.Error()
return "pack " + e.ID.String() + ": " + e.Err.Error()
}
func packIDTester(repo *repository.Repository, inChan <-chan mapID, errChan chan<- error, wg *sync.WaitGroup, done <-chan struct{}) {
@ -156,10 +158,10 @@ func packIDTester(repo *repository.Repository, inChan <-chan mapID, errChan chan
for id := range inChan {
ok, err := repo.Backend().Test(backend.Data, map2str(id))
if err != nil {
err = PackError{map2id(id), err}
err = PackError{ID: map2id(id), Err: err}
} else {
if !ok {
err = PackError{map2id(id), errors.New("does not exist")}
err = PackError{ID: map2id(id), Err: errors.New("does not exist")}
}
}
@ -227,10 +229,11 @@ func (c *Checker) Packs(errChan chan<- error, done <-chan struct{}) {
for id := range c.repo.List(backend.Data, done) {
debug.Log("Checker.Packs", "check data blob %v", id.Str())
if _, ok := seenPacks[id2map(id)]; !ok {
c.orphanedPacks = append(c.orphanedPacks, id)
select {
case <-done:
return
case errChan <- PackError{id, errors.New("not referenced in any index")}:
case errChan <- PackError{ID: id, Orphaned: true, Err: errors.New("not referenced in any index")}:
}
}
}
@ -591,3 +594,8 @@ func (c *Checker) UnusedBlobs() (blobs backend.IDs) {
return blobs
}
// OrphanedPacks returns a slice of unused packs (only available after Packs() was run).
func (c *Checker) OrphanedPacks() backend.IDs {
return c.orphanedPacks
}