feat: add bad dst check

cmd/acp/main.go

@@ -7,6 +7,7 @@ import (
 	"os/signal"
 
 	"github.com/abc950309/acp"
+	"github.com/klauspost/cpuid/v2"
 	"github.com/sirupsen/logrus"
 )
 
@@ -33,7 +34,10 @@ func init() {
 func main() {
 	ctx, cancel := context.WithCancel(context.Background())
 
+	cpuid.Flags()
 	flag.Parse()
+	cpuid.Detect()
+
 	sources := flag.Args()
 	if len(sources) == 0 {
 		logrus.Fatalf("cannot found source path")

copy.go

@@ -15,7 +15,7 @@ import (
 	"github.com/abc950309/acp/mmap"
 	mapset "github.com/deckarep/golang-set/v2"
 	"github.com/hashicorp/go-multierror"
-	"github.com/minio/sha256-simd"
+	sha256 "github.com/minio/sha256-simd"
 )
 
 const (
@@ -68,6 +68,9 @@ func (c *Copyer) copy(ctx context.Context, prepared <-chan *writeJob) <-chan *ba
 					if !ok {
 						return
 					}
+					if badDsts.Cardinality() >= len(c.dst) {
+						return
+					}
 
 					wrap(ctx, func() { c.write(ctx, job, ch, cntr, badDsts) })
 				}