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        '--no-same-permissions',
        '--no-same-owner',
        @{$opts{options}},
    ];
    spawn(%spawn_opts);
    $self->close();

    # Fix permissions on extracted files because tar insists on applying
    # our umask _to the original permissions_ rather than mostly-ignoring
    # the original permissions.
    # We still need --no-same-permissions because otherwise tar might
    # extract directory setgid (which we want inherited, not
    # extracted); we need --no-same-owner because putting the owner
    # back is tedious - in particular, correct group ownership would
    # have to be calculated using mount options and other madness.
    fixperms($tmpdir) unless $opts{no_fixperms};

    # If we are extracting "in-place" do not remove the destination directory.
    if ($opts{in_place}) {
        my $canon_basedir = Cwd::realpath($dest);
        # On Solaris /dev/null points to /devices/pseudo/mm@0:null.
        my $canon_devnull = Cwd::realpath('/dev/null');
        my $check_symlink = sub {
            my $pathname = shift;
            my $canon_pathname = Cwd::realpath($pathname);
            if (not defined $canon_pathname) {
                return if $! == ENOENT;

                syserr(g_("pathname '%s' cannot be canonicalized"), $pathname);
            }
            return if $canon_pathname eq $canon_devnull;
            return if $canon_pathname eq $canon_basedir;
            return if $canon_pathname =~ m{^\Q$canon_basedir/\E};
            warning(g_("pathname '%s' points outside source root (to '%s')"),
                    $pathname, $canon_pathname);
        };

        my $move_in_place = sub {
            my $relpath = File::Spec->abs2rel($File::Find::name, $tmpdir);
            my $destpath = File::Spec->catfile($dest, $relpath);

            my ($mode, $atime, $mtime);
            lstat $File::Find::name
                or syserr(g_('cannot get source pathname %s metadata'), $File::Find::name);
            ((undef) x 2, $mode, (undef) x 5, $atime, $mtime) = lstat _;
            my $src_is_dir = -d _;

            my $dest_exists = 1;
            if (not lstat $destpath) {
                if ($! == ENOENT) {
                    $dest_exists = 0;
                } else {
                    syserr(g_('cannot get target pathname %s metadata'), $destpath);
                }
            }
            my $dest_is_dir = -d _;
            if ($dest_exists) {
                if ($dest_is_dir && $src_is_dir) {
                    # Refresh the destination directory attributes with the
                    # ones from the tarball.
                    chmod $mode, $destpath
                        or syserr(g_('cannot change directory %s mode'), $File::Find::name);
                    utime $atime, $mtime, $destpath
                        or syserr(g_('cannot change directory %s times'), $File::Find::name);

                    # We should do nothing, and just walk further tree.
                    return;
                } elsif ($dest_is_dir) {
                    rmdir $destpath
                        or syserr(g_('cannot remove destination directory %s'), $destpath);
                } else {
                    $check_symlink->($destpath);
                    unlink $destpath
                        or syserr(g_('cannot remove destination file %s'), $destpath);
                }
            }
            # If we are moving a directory, we do not need to walk it.
            if ($src_is_dir) {
                $File::Find::prune = 1;
            }
            rename $File::Find::name, $destpath
                or syserr(g_('cannot move %s to %s'), $File::Find::name, $destpath);
        };

        my $scan_move_in_place = {
            wanted => $move_in_place,
            no_chdir => 1,
            dangling_symlinks => 0,
        };
        find($scan_move_in_place, $tmpdir);
    } else {
        # Rename extracted directory.
        opendir my $dir_dh, $tmpdir
            or syserr(g_('cannot opendir %s'), $tmpdir);
        my @entries = grep { $_ ne '.' && $_ ne '..' } readdir($dir_dh);
        closedir($dir_dh);

        erasedir($dest);

        if (scalar(@entries) == 1 && ! -l "$tmpdir/$entries[0]" && -d _) {
            rename "$tmpdir/$entries[0]", $dest
                or syserr(g_('unable to rename %s to %s'),
                          "$tmpdir/$entries[0]", $dest);
        } else {
            rename $tmpdir, $dest
                or syserr(g_('unable to rename %s to %s'), $tmpdir, $dest);
        }
    }
    erasedir($tmpdir);
}

=head1 CHANGES

=head2 Version 0.xx

This is a private module.

=cut

1;