// Background task, must call waitg.Done() once at end
func pruneTaskGetRetainedWorktree(retainChan chan string, errorChan chan error, waitg *sync.WaitGroup) {
defer waitg.Done()
// Retain other worktree HEADs too
// Working copy, branch & maybe commit is different but repo is shared
allWorktreeRefs, err := git.GetAllWorkTreeHEADs(lfs.LocalGitStorageDir)
if err != nil {
errorChan <- err
return
}
// Don't repeat any commits, worktrees are always on their own branches but
// may point to the same commit
commits := lfs.NewStringSet()
// current HEAD is done elsewhere
headref, err := git.CurrentRef()
if err != nil {
errorChan <- err
return
}
commits.Add(headref.Sha)
for _, ref := range allWorktreeRefs {
if commits.Add(ref.Sha) {
// Worktree is on a different commit
waitg.Add(1)
// Don't need to 'cd' to worktree since we share same repo
go pruneTaskGetRetainedAtRef(ref.Sha, retainChan, errorChan, waitg)
}
}
}
// Background task, must call waitg.Done() once at end
func pruneTaskGetRetainedCurrentAndRecentRefs(retainChan chan string, errorChan chan error, waitg *sync.WaitGroup) {
defer waitg.Done()
// We actually increment the waitg in this func since we kick off sub-goroutines
// Make a list of what unique commits to keep, & search backward from
commits := lfs.NewStringSet()
// Do current first
ref, err := git.CurrentRef()
if err != nil {
errorChan <- err
return
}
commits.Add(ref.Sha)
waitg.Add(1)
go pruneTaskGetRetainedAtRef(ref.Sha, retainChan, errorChan, waitg)
// Now recent
fetchconf := lfs.Config.FetchPruneConfig()
if fetchconf.FetchRecentRefsDays > 0 {
pruneRefDays := fetchconf.FetchRecentRefsDays + fetchconf.PruneOffsetDays
tracerx.Printf("PRUNE: Retaining non-HEAD refs within %d (%d+%d) days", pruneRefDays, fetchconf.FetchRecentRefsDays, fetchconf.PruneOffsetDays)
refsSince := time.Now().AddDate(0, 0, -pruneRefDays)
// Keep all recent refs including any recent remote branches
refs, err := git.RecentBranches(refsSince, fetchconf.FetchRecentRefsIncludeRemotes, "")
if err != nil {
Panic(err, "Could not scan for recent refs")
}
for _, ref := range refs {
if commits.Add(ref.Sha) {
// A new commit
waitg.Add(1)
go pruneTaskGetRetainedAtRef(ref.Sha, retainChan, errorChan, waitg)
}
}
}
// For every unique commit we've fetched, check recent commits too
// Only if we're fetching recent commits, otherwise only keep at refs
if fetchconf.FetchRecentCommitsDays > 0 {
pruneCommitDays := fetchconf.FetchRecentCommitsDays + fetchconf.PruneOffsetDays
for commit := range commits.Iter() {
// We measure from the last commit at the ref
summ, err := git.GetCommitSummary(commit)
if err != nil {
errorChan <- fmt.Errorf("Couldn't scan commits at %v: %v", commit, err)
continue
}
commitsSince := summ.CommitDate.AddDate(0, 0, -pruneCommitDays)
waitg.Add(1)
go pruneTaskGetPreviousVersionsOfRef(commit, commitsSince, retainChan, errorChan, waitg)
}
}
}
func newUploadContext(dryRun bool) *uploadContext {
return &uploadContext{
DryRun: dryRun,
uploadedOids: lfs.NewStringSet(),
}
}