view: use defined-or operator to simplify checks

[public-inbox.git] / lib / PublicInbox / View.pm

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 70c10604e246ec23314d66580a01bd8b54ac7560..9ef1f68ae914fdbf54ce5f9aa029449917b7a171 100644 (file)
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -504,9 +504,6 @@ sub attach_link ($$$$;$) {
        # spotting MUA problems:
        $ct =~ s/;.*// unless $err;
        $ct = ascii_html($ct);
-       my $desc = $part->header('Content-Description');
-       $desc = $fn unless defined $desc;
-       $desc = '' unless defined $desc;
        my $sfn;
        if (defined $fn && $fn =~ /\A$PublicInbox::Hval::FN\z/o) {
                $sfn = $fn;
@@ -518,10 +515,13 @@ sub attach_link ($$$$;$) {
        my $rv = $ctx->{obuf};
        $$rv .= qq($nl<a\nhref="$ctx->{mhref}$idx-$sfn">);
        if ($err) {
-               $$rv .= "[-- Warning: decoded text below may be mangled --]\n";
+               $$rv .= <<EOF;
+[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
+EOF
        }
        $$rv .= "[-- Attachment #$idx: ";
        my $ts = "Type: $ct, Size: $size bytes";
+       my $desc = $part->header('Content-Description') // $fn // '';
        $desc = ascii_html($desc);
        $$rv .= ($desc eq '') ? "$ts --]" : "$desc --]\n[-- $ts --]";
        $$rv .= "</a>\n";