return
	}

	if string(line) == "!<arch>\n" {
		// Archive file. Scan to __.PKGDEF.
		var name string
		if name, size, err = readGopackHeader(r); err != nil {
			return
		}

		// First entry should be __.PKGDEF.
		if name != "__.PKGDEF" {
			err = fmt.Errorf("go archive is missing __.PKGDEF")
			return
		}

		// Read first line of __.PKGDEF data, so that line
		// is once again the first line of the input.

			goto close
		}

		for _, e := range aro.Entries {
			if e.Type != archive.EntryPkgDef {
				continue
			}
			if verbose {
				fmt.Printf("__.PKGDEF # %s\n", file)
			}
			ar.a.AddEntry(archive.EntryPkgDef, "__.PKGDEF", 0, 0, 0, 0644, e.Size, io.NewSectionReader(f, e.Offset, e.Size))
			done = true
		}
	close:
		f.Close()
		if done {
			break
		}
	}
}