func (cmd CmdOptimize) Execute(args []string) error {
if len(args) != 0 {
return errors.New("optimize has no arguments")
}
repo, err := cmd.global.OpenRepository()
if err != nil {
return err
}
cmd.global.Verbosef("Create exclusive lock for repository\n")
lock, err := lockRepoExclusive(repo)
defer unlockRepo(lock)
if err != nil {
return err
}
chkr := checker.New(repo)
cmd.global.Verbosef("Load indexes\n")
_, errs := chkr.LoadIndex()
if len(errs) > 0 {
for _, err := range errs {
cmd.global.Warnf("error: %v\n", err)
}
return fmt.Errorf("LoadIndex returned errors")
}
done := make(chan struct{})
errChan := make(chan error)
go chkr.Structure(errChan, done)
for err := range errChan {
if e, ok := err.(checker.TreeError); ok {
cmd.global.Warnf("error for tree %v:\n", e.ID.Str())
for _, treeErr := range e.Errors {
cmd.global.Warnf(" %v\n", treeErr)
}
} else {
cmd.global.Warnf("error: %v\n", err)
}
}
unusedBlobs := backend.NewIDSet(chkr.UnusedBlobs()...)
cmd.global.Verbosef("%d unused blobs found, repacking...\n", len(unusedBlobs))
repacker := checker.NewRepacker(repo, unusedBlobs)
err = repacker.Repack()
if err != nil {
return err
}
cmd.global.Verbosef("repacking done\n")
return nil
}
func TestRepacker(t *testing.T) {
WithTestEnvironment(t, checkerTestData, func(repodir string) {
repo := OpenLocalRepo(t, repodir)
OK(t, repo.LoadIndex())
repo.Backend().Remove(backend.Snapshot, "c2b53c5e6a16db92fbb9aa08bd2794c58b379d8724d661ee30d20898bdfdff22")
unusedBlobs := backend.IDSet{
ParseID("5714f7274a8aa69b1692916739dc3835d09aac5395946b8ec4f58e563947199a"): struct{}{},
ParseID("08d0444e9987fa6e35ce4232b2b71473e1a8f66b2f9664cc44dc57aad3c5a63a"): struct{}{},
ParseID("356493f0b00a614d36c698591bbb2b1d801932d85328c1f508019550034549fc"): struct{}{},
ParseID("b8a6bcdddef5c0f542b4648b2ef79bc0ed4377d4109755d2fb78aff11e042663"): struct{}{},
}
chkr := checker.New(repo)
_, errs := chkr.LoadIndex()
OKs(t, errs)
errs = checkStruct(chkr)
OKs(t, errs)
list := backend.NewIDSet(chkr.UnusedBlobs()...)
if !unusedBlobs.Equals(list) {
t.Fatalf("expected unused blobs:\n %v\ngot:\n %v", unusedBlobs, list)
}
repacker := checker.NewRepacker(repo, unusedBlobs)
OK(t, repacker.Repack())
chkr = checker.New(repo)
_, errs = chkr.LoadIndex()
OKs(t, errs)
OKs(t, checkPacks(chkr))
OKs(t, checkStruct(chkr))
blobs := chkr.UnusedBlobs()
Assert(t, len(blobs) == 0,
"expected zero unused blobs, got %v", blobs)
})
}