chore: update vendor

vendor/github.com/cavaliercoder/go-cpio/header.go

@@ -122,6 +122,7 @@ func FileInfoHeader(fi os.FileInfo, link string) (*Header, error) {
 	case fi.IsDir():
 		h.Mode |= ModeDir
 		h.Name += "/"
+		h.Size = 0
 	case fm&os.ModeSymlink != 0:
 		h.Mode |= ModeSymlink
 		h.Linkname = link

vendor/github.com/cavaliercoder/go-cpio/svr4.go

@@ -13,7 +13,7 @@ const (
 	svr4MaxFileSize = 4294967295
 )
 
-var svr4Magic = []byte{0x30, 0x37, 0x30, 0x37, 0x30, 0x31} // 07070
+var svr4Magic = []byte{0x30, 0x37, 0x30, 0x37, 0x30, 0x31} // 070701
 
 func readHex(s string) int64 {
 	// errors are ignored and 0 returned
@@ -108,7 +108,11 @@ func writeSVR4Header(w io.Writer, hdr *Header) (pad int64, err error) {
 	for i := 0; i < len(hdrBuf); i++ {
 		hdrBuf[i] = '0'
 	}
-	copy(hdrBuf[:], svr4Magic)
+	magic := svr4Magic
+	if hdr.Checksum != 0 {
+		magic[5] = 0x32
+	}
+	copy(hdrBuf[:], magic)
 	writeHex(hdrBuf[6:14], hdr.Inode)
 	writeHex(hdrBuf[14:22], int64(hdr.Mode))
 	writeHex(hdrBuf[22:30], int64(hdr.UID))
@@ -119,6 +123,9 @@ func writeSVR4Header(w io.Writer, hdr *Header) (pad int64, err error) {
 	}
 	writeHex(hdrBuf[54:62], hdr.Size)
 	writeHex(hdrBuf[94:102], int64(len(hdr.Name)+1))
+	if hdr.Checksum != 0 {
+		writeHex(hdrBuf[102:110], int64(hdr.Checksum))
+	}
 
 	// write header
 	_, err = w.Write(hdrBuf[:])

vendor/github.com/cavaliercoder/go-cpio/testdata/etc/hosts

@@ -0,0 +1,2 @@
+127.0.0.1 localhost
+::1 localhost

vendor/github.com/cavaliercoder/go-cpio/writer_test.go

@@ -0,0 +1,53 @@
+package cpio_test
+
+import (
+	"bytes"
+	"io"
+	"os"
+	"testing"
+
+	cpio "github.com/cavaliercoder/go-cpio"
+)
+
+func store(w *cpio.Writer, fn string) error {
+	f, err := os.Open(fn)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	fi, err := f.Stat()
+	if err != nil {
+		return err
+	}
+	hdr, err := cpio.FileInfoHeader(fi, "")
+	if err != nil {
+		return err
+	}
+	if err := w.WriteHeader(hdr); err != nil {
+		return err
+	}
+	if !fi.IsDir() {
+		if _, err := io.Copy(w, f); err != nil {
+			return err
+		}
+	}
+
+	return err
+}
+
+func TestWriter(t *testing.T) {
+	var buf bytes.Buffer
+	w := cpio.NewWriter(&buf)
+
+	if err := store(w, "testdata/etc"); err != nil {
+		t.Fatalf("store: %v", err)
+	}
+
+	if err := store(w, "testdata/etc/hosts"); err != nil {
+		t.Fatalf("store: %v", err)
+	}
+
+	if err := w.Close(); err != nil {
+		t.Fatalf("Close: %v", err)
+	}
+}