func scanAll() []*lfs.WrappedPointer {
// converts to `git rev-list --all`
// We only pick up objects in real commits and not the reflog
opts := lfs.NewScanRefsOptions()
opts.ScanMode = lfs.ScanAllMode
opts.SkipDeletedBlobs = false
// This could be a long process so use the chan version & report progress
Print("Scanning for all objects ever referenced...")
spinner := lfs.NewSpinner()
var numObjs int64
pointerchan, err := lfs.ScanRefsToChan("", "", opts)
if err != nil {
Panic(err, "Could not scan for Git LFS files")
}
pointers := make([]*lfs.WrappedPointer, 0)
for p := range pointerchan {
numObjs++
spinner.Print(OutputWriter, fmt.Sprintf("%d objects found", numObjs))
pointers = append(pointers, p)
}
spinner.Finish(OutputWriter, fmt.Sprintf("%d objects found", numObjs))
return pointers
}
// Background task, must call waitg.Done() once at end
func pruneTaskGetRetainedAtRef(ref string, retainChan chan string, errorChan chan error, waitg *sync.WaitGroup) {
defer waitg.Done()
// Only files AT ref, recent is checked in pruneTaskGetRetainedRecentRefs
opts := lfs.NewScanRefsOptions()
opts.ScanMode = lfs.ScanRefsMode
opts.SkipDeletedBlobs = true
refchan, err := lfs.ScanRefsToChan(ref, "", opts)
if err != nil {
errorChan <- err
return
}
for wp := range refchan {
retainChan <- wp.Pointer.Oid
tracerx.Printf("RETAIN: %v via ref %v", wp.Pointer.Oid, ref)
}
}
// Background task, must call waitg.Done() once at end
func pruneTaskGetReachableObjects(outObjectSet *lfs.StringSet, errorChan chan error, waitg *sync.WaitGroup) {
defer waitg.Done()
// converts to `git rev-list --all`
// We only pick up objects in real commits and not the reflog
opts := lfs.NewScanRefsOptions()
opts.ScanMode = lfs.ScanAllMode
opts.SkipDeletedBlobs = false
pointerchan, err := lfs.ScanRefsToChan("", "", opts)
if err != nil {
errorChan <- fmt.Errorf("Error scanning for reachable objects: %v", err)
return
}
for p := range pointerchan {
outObjectSet.Add(p.Oid)
}
}