: $ctx->gone('over');
$ctx->{mhref} = ($ctx->{nr} || $ctx->{smsg}) ?
"../${\mid_href($smsg->{mid})}/" : '';
- my $obuf = _msg_page_prepare_obuf($eml, $ctx);
- if (length($$obuf)) {
- multipart_text_as_html($eml, $ctx);
- $$obuf .= '</pre><hr>';
+ if (_msg_page_prepare($eml, $ctx)) {
+ $eml->each_part(\&add_text_body, $ctx, 1);
+ print { $ctx->{zfh} } '</pre><hr>';
}
- delete $ctx->{obuf};
- $$obuf .= html_footer($ctx, $ctx->{first_hdr}) if !$ctx->{smsg};
- $$obuf;
+ html_footer($ctx, $ctx->{first_hdr}) if !$ctx->{smsg};
+ ''; # XXX TODO cleanup
} else { # called by WwwStream::async_next or getline
$ctx->{smsg}; # may be undef
}
my $eml = PublicInbox::Eml->new($bref);
$ctx->{mhref} = '';
PublicInbox::WwwStream::init($ctx);
- my $obuf = _msg_page_prepare_obuf($eml, $ctx);
- if (length($$obuf)) {
- multipart_text_as_html($eml, $ctx);
- $$obuf .= '</pre><hr>';
+ if (_msg_page_prepare($eml, $ctx)) { # sets {-title_html}
+ $eml->each_part(\&add_text_body, $ctx, 1);
+ print { $ctx->{zfh} } '</pre><hr>';
}
- delete $ctx->{obuf};
- eval { $$obuf .= html_footer($ctx, $eml) };
- html_oneshot($ctx, 200, $$obuf);
+ html_footer($ctx, $eml);
+ $ctx->html_done;
}
# public functions: (unstable)
# allow user to easily browse the range around this message if
# they have ->over
$ctx->{-t_max} = $smsg->{ts};
- PublicInbox::WwwStream::aresponse($ctx, 200, \&msg_page_i);
+ $ctx->{-spfx} = '../' if $ibx->{coderepo};
+ PublicInbox::WwwStream::aresponse($ctx, \&msg_page_i);
}
# /$INBOX/$MESSAGE_ID/#R
my $html = ascii_html($irt);
$rv .= qq(In-Reply-To: <<a\nhref="$href">$html</a>>\n)
}
- $rv .= "\n";
+ say { $ctx->zfh } $rv;
# scan through all parts, looking for displayable text
$ctx->{mhref} = $mhref;
- $ctx->{end_id} = "e$id";
- $ctx->{obuf} = \$rv;
- $eml->each_part(\&add_text_body, $ctx, 1);
- delete $ctx->{obuf};
+ $ctx->{changed_href} = "#e$id"; # for diffstat "files? changed,"
+ $eml->each_part(\&add_text_body, $ctx, 1); # expensive
# add the footer
- $rv .= "\n<a\nhref=#$id_m\nid=e$id>^</a> ".
+ $rv = "\n<a\nhref=#$id_m\nid=e$id>^</a> ".
"<a\nhref=\"$mhref\">permalink</a>" .
" <a\nhref=\"${mhref}raw\">raw</a>" .
" <a\nhref=\"${mhref}#R\">reply</a>";
my $rv = '';
my $mapping = $ctx->{mapping} or return $rv;
my $pad = ' ';
- my $mid_map = $mapping->{$mid_raw};
- defined $mid_map or
+ my $mid_map = $mapping->{$mid_raw} //
return 'public-inbox BUG: '.ascii_html($mid_raw).' not mapped';
my ($attr, $node, $idx, $level) = @$mid_map;
my $children = $node->{children};
}
my $s_s = nr_to_s($nr_s, 'sibling', 'siblings');
my $s_c = nr_to_s($nr_c, 'reply', 'replies');
- $attr =~ s!\n\z!</b>\n!s;
+ chop $attr; # remove "\n"
$attr =~ s!<a\nhref.*</a> (?:" )?!!s; # no point in dup subject
$attr =~ s!<a\nhref=[^>]+>([^<]+)</a>!$1!s; # no point linking to self
- $rv .= "<b>@ $attr";
+ $rv .= "<b>@ $attr</b>\n";
if ($nr_c) {
my $cmid = $children->[0] ? $children->[0]->{mid} : undef;
$rv .= $pad . _skel_hdr($mapping, $cmid);
sub thread_eml_entry {
my ($ctx, $eml) = @_;
my ($beg, $end) = thread_adj_level($ctx, $ctx->{level});
- $beg . '<pre>' . eml_entry($ctx, $eml) . '</pre>' . $end;
+ print { $ctx->zfh } $beg, '<pre>';
+ print { $ctx->{zfh} } eml_entry($ctx, $eml), '</pre>';
+ $end;
}
sub next_in_queue ($$) {
if (!$ghost_ok) { # first non-ghost
$ctx->{-title_html} =
ascii_html($smsg->{subject});
- $ctx->zmore($ctx->html_top);
+ print { $ctx->zfh } $ctx->html_top;
}
return $smsg;
}
# buffer the ghost entry and loop
- $ctx->zmore(ghost_index_entry($ctx, $lvl, $smsg));
+ print { $ctx->zfh } ghost_index_entry($ctx, $lvl, $smsg)
} else { # all done
- $ctx->zmore(join('', thread_adj_level($ctx, 0)));
- $ctx->zmore(${delete($ctx->{skel})});
+ print { $ctx->zfh } thread_adj_level($ctx, 0),
+ ${delete($ctx->{skel})};
return;
}
}
sub stream_thread ($$) {
my ($rootset, $ctx) = @_;
@{$ctx->{-queue}} = map { (0, $_) } @$rootset;
- PublicInbox::WwwStream::aresponse($ctx, 200, \&stream_thread_i);
+ PublicInbox::WwwStream::aresponse($ctx, \&stream_thread_i);
}
# /$INBOX/$MSGID/t/ and /$INBOX/$MSGID/T/
my $ibx = $ctx->{ibx};
my ($nr, $msgs) = $ibx->over->get_thread($mid);
return missing_thread($ctx) if $nr == 0;
+ $ctx->{-spfx} = '../../' if $ibx->{coderepo};
# link $INBOX_DIR/description text to "index_topics" view around
# the newest message in this thread
# flat display: lazy load the full message from smsg
$ctx->{msgs} = $msgs;
$ctx->{-html_tip} = '<pre>';
- PublicInbox::WwwStream::aresponse($ctx, 200, \&thread_html_i);
+ PublicInbox::WwwStream::aresponse($ctx, \&thread_html_i);
}
sub thread_html_i { # PublicInbox::WwwStream::getline callback
my $smsg = $ctx->{smsg};
if (exists $ctx->{-html_tip}) {
$ctx->{-title_html} = ascii_html($smsg->{subject});
- $ctx->zmore($ctx->html_top);
+ print { $ctx->zfh } $ctx->html_top;
}
return eml_entry($ctx, $eml);
} else {
return $smsg if exists($smsg->{blob});
}
my $skel = delete($ctx->{skel}) or return; # all done
- $ctx->zmore($$skel);
+ print { $ctx->zfh } $$skel;
undef;
}
}
-sub multipart_text_as_html {
- # ($mime, $ctx) = @_; # each_part may do "$_[0] = undef"
-
- # scan through all parts, looking for displayable text
- $_[0]->each_part(\&add_text_body, $_[1], 1);
-}
-
sub submsg_hdr ($$) {
my ($ctx, $eml) = @_;
- my $obfs_ibx = $ctx->{-obfs_ibx};
- my $rv = $ctx->{obuf};
- $$rv .= "\n";
+ my $s = "\n";
for my $h (qw(From To Cc Subject Date Message-ID X-Alt-Message-ID)) {
- my @v = $eml->header($h);
- for my $v (@v) {
- obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
- $v = ascii_html($v);
- $$rv .= "$h: $v\n";
- }
+ $s .= "$h: $_\n" for $eml->header($h);
}
+ obfuscate_addrs($ctx->{-obfs_ibx}, $s) if $ctx->{-obfs_ibx};
+ ascii_html($s);
}
sub attach_link ($$$$;$) {
# downloads for 0-byte multipart attachments
return unless $part->{bdy};
- my $nl = $idx eq '1' ? '' : "\n"; # like join("\n", ...)
my $size = length($part->body);
delete $part->{bdy}; # save memory
} else {
$sfn = 'a.bin';
}
- my $rv = $ctx->{obuf};
- $$rv .= qq($nl<a\nhref="$ctx->{mhref}$idx-$sfn">);
- if ($err) {
- $$rv .= <<EOF;
+ my $rv = $idx eq '1' ? '' : "\n"; # like join("\n", ...)
+ $rv .= qq(<a\nhref="$ctx->{mhref}$idx-$sfn">);
+ $rv .= <<EOF if $err;
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
EOF
- }
- $$rv .= "[-- Attachment #$idx: ";
- my $ts = "Type: $ct, Size: $size bytes";
+ $rv .= "[-- Attachment #$idx: ";
my $desc = $part->header('Content-Description') // $fn // '';
- $desc = ascii_html($desc);
- $$rv .= ($desc eq '') ? "$ts --]" : "$desc --]\n[-- $ts --]";
- $$rv .= "</a>\n";
-
- submsg_hdr($ctx, $part) if $part->{is_submsg};
-
- undef;
+ $rv .= ascii_html($desc)." --]\n[-- " if $desc ne '';
+ $rv .= "Type: $ct, Size: $size bytes --]</a>\n";
+ $rv .= submsg_hdr($ctx, $part) if $part->{is_submsg};
+ $rv;
}
sub add_text_body { # callback for each_part
my $ct = $part->content_type || 'text/plain';
my $fn = $part->filename;
my ($s, $err) = msg_part_text($part, $ct);
- return attach_link($ctx, $ct, $p, $fn) unless defined $s;
-
- my $rv = $ctx->{obuf};
- if ($part->{is_submsg}) {
- submsg_hdr($ctx, $part);
- $$rv .= "\n";
- }
+ my $zfh = $ctx->zfh;
+ $s // return print $zfh (attach_link($ctx, $ct, $p, $fn) // '');
+ say $zfh submsg_hdr($ctx, $part) if $part->{is_submsg};
# makes no difference to browsers, and don't screw up filename
# link generation in diffs with the extra '%0D'
$ctx->{-anchors} = {} if $s =~ /^diff --git /sm;
$diff = 1;
delete $ctx->{-long_path};
- my $spfx;
- # absolute URL (Atom feeds)
- if ($ibx->{coderepo}) {
- if (index($upfx, '//') >= 0) {
- $spfx = $upfx;
- $spfx =~ s!/([^/]*)/\z!/!;
- } else {
- my $n_slash = $upfx =~ tr!/!/!;
- if ($n_slash == 0) {
- $spfx = '../';
- } elsif ($n_slash == 1) {
- $spfx = '';
- } else { # nslash == 2
- $spfx = '../../';
- }
- }
- }
- $ctx->{-spfx} = $spfx;
};
# split off quoted and unquoted blocks:
undef $s; # free memory
if (defined($fn) || ($depth > 0 && !$part->{is_submsg}) || $err) {
# badly-encoded message with $err? tell the world about it!
- attach_link($ctx, $ct, $p, $fn, $err);
- $$rv .= "\n";
+ say $zfh attach_link($ctx, $ct, $p, $fn, $err);
}
delete $part->{bdy}; # save memory
- foreach my $cur (@sections) {
+ for my $cur (@sections) { # $cur may be huge
if ($cur =~ /\A>/) {
# we use a <span> here to allow users to specify
# their own color for quoted text
- $$rv .= qq(<span\nclass="q">);
- $$rv .= $l->to_html($cur);
- $$rv .= '</span>';
+ print $zfh qq(<span\nclass="q">),
+ $l->to_html($cur), '</span>';
} elsif ($diff) {
flush_diff($ctx, \$cur);
- } else {
- # regular lines, OK
- $$rv .= $l->to_html($cur);
+ } else { # regular lines, OK
+ print $zfh $l->to_html($cur);
}
undef $cur; # free memory
}
}
-sub _msg_page_prepare_obuf {
+sub _msg_page_prepare {
my ($eml, $ctx) = @_;
my $have_over = !!$ctx->{ibx}->over;
- my $obfs_ibx = $ctx->{-obfs_ibx};
- $ctx->{obuf} = \(my $rv = '');
my $mids = mids_for_index($eml);
my $nr = $ctx->{nr}++;
if ($nr) { # unlikely
if ($ctx->{chash} eq content_hash($eml)) {
warn "W: BUG? @$mids not deduplicated properly\n";
- return \$rv;
+ return;
}
- $rv .=
-"<pre>WARNING: multiple messages have this Message-ID\n</pre><pre>";
+ $ctx->{-html_tip} =
+qq[<pre>WARNING: multiple messages have this Message-ID (<a
+href="d/">diff</a>)</pre><pre>];
} else {
$ctx->{first_hdr} = $eml->header_obj;
$ctx->{chash} = content_hash($eml) if $ctx->{smsg}; # reused MID
- $rv .= "<pre\nid=b>"; # anchor for body start
+ $ctx->{-html_tip} = "<pre\nid=b>"; # anchor for body start
}
- $ctx->{-upfx} = '../' if $have_over;
+ $ctx->{-upfx} = '../';
my @title; # (Subject[0], From[0])
+ my $hbuf = '';
for my $v ($eml->header('From')) {
my @n = PublicInbox::Address::names($v);
- $v = ascii_html($v);
- $title[1] //= ascii_html(join(', ', @n));
- if ($obfs_ibx) {
- obfuscate_addrs($obfs_ibx, $v);
- obfuscate_addrs($obfs_ibx, $title[1]);
- }
- $rv .= "From: $v\n" if $v ne '';
+ $title[1] //= join(', ', @n);
+ $hbuf .= "From: $v\n" if $v ne '';
}
- foreach my $h (qw(To Cc)) {
+ for my $h (qw(To Cc)) {
for my $v ($eml->header($h)) {
fold_addresses($v);
- $v = ascii_html($v);
- obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
- $rv .= "$h: $v\n" if $v ne '';
+ $hbuf .= "$h: $v\n" if $v ne '';
}
}
my @subj = $eml->header('Subject');
- if (@subj) {
- my $v = ascii_html(shift @subj);
- obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
- $rv .= 'Subject: ';
- $rv .= $have_over ? qq(<a\nhref="#r"\nid=t>$v</a>\n) : "$v\n";
- $title[0] = $v;
- for $v (@subj) { # multi-Subject message :<
- $v = ascii_html($v);
- obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
- $rv .= "Subject: $v\n";
- }
- } else { # dummy anchor for thread skeleton at bottom of page
- $rv .= qq(<a\nhref="#r"\nid=t></a>) if $have_over;
- $title[0] = '(no subject)';
+ $hbuf .= "Subject: $_\n" for @subj;
+ $title[0] = $subj[0] // '(no subject)';
+ $hbuf .= "Date: $_\n" for $eml->header('Date');
+ $hbuf = ascii_html($hbuf);
+ $ctx->{-title_html} = ascii_html(join(' - ', @title));
+ if (my $obfs_ibx = $ctx->{-obfs_ibx}) {
+ obfuscate_addrs($obfs_ibx, $hbuf);
+ obfuscate_addrs($obfs_ibx, $ctx->{-title_html});
+ }
+
+ # [thread overview] link is typically added after Date,
+ # but added after Subject, or even nothing.
+ if ($have_over) {
+ chop $hbuf; # drop "\n", or noop if $rv eq ''
+ $hbuf .= qq{\t<a\nhref="#r">[thread overview]</a>\n};
+ $hbuf =~ s!^Subject:\x20(.*?)(\n[A-Z]|\z)
+ !Subject: <a\nhref="#r"\nid=t>$1</a>$2!msx or
+ $hbuf .= qq(<a\nhref="#r\nid=t></a>);
}
- for my $v ($eml->header('Date')) {
- $v = ascii_html($v);
- obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx; # possible :P
- $rv .= qq{Date: $v\t<a\nhref="#r">[thread overview]</a>\n};
+ if (scalar(@$mids) == 1) { # common case
+ my $x = ascii_html($mids->[0]);
+ $hbuf .= qq[Message-ID: <$x> (<a href="raw">raw</a>)\n];
}
if (!$nr) { # first (and only) message, common case
- $ctx->{-title_html} = join(' - ', @title);
- $rv = $ctx->html_top . $rv;
+ print { $ctx->zfh } $ctx->html_top, $hbuf;
+ } else {
+ delete $ctx->{-title_html};
+ print { $ctx->zfh } $ctx->{-html_tip}, $hbuf;
}
-
$ctx->{-linkify} //= PublicInbox::Linkify->new;
- if (scalar(@$mids) == 1) { # common case
- my $mhtml = ascii_html($mids->[0]);
- $rv .= qq[Message-ID: <$mhtml> (<a href="raw">raw</a>)\n];
- } else {
+ $hbuf = '';
+ if (scalar(@$mids) != 1) { # unlikely, but it happens :<
# X-Alt-Message-ID can happen if a message is injected from
# public-inbox-nntpd because of multiple Message-ID headers.
- my $s = '';
for my $h (qw(Message-ID X-Alt-Message-ID)) {
- $s .= "$h: $_\n" for ($eml->header_raw($h));
+ $hbuf .= "$h: $_\n" for ($eml->header_raw($h));
}
- $ctx->{-linkify}->linkify_mids('..', \$s, 1);
- $rv .= $s;
+ $ctx->{-linkify}->linkify_mids('..', \$hbuf, 1); # escapes HTML
+ print { $ctx->{zfh} } $hbuf;
+ $hbuf = '';
+ }
+ my @irt = $eml->header_raw('In-Reply-To');
+ my $refs;
+ if (!@irt) {
+ $refs = references($eml);
+ $irt[0] = pop(@$refs) if scalar @$refs;
+ }
+ $hbuf .= "In-Reply-To: $_\n" for @irt;
+
+ # do not display References: if search is present,
+ # we show the thread skeleton at the bottom, instead.
+ if (!$have_over) {
+ $refs //= references($eml);
+ $hbuf .= 'References: <'.join(">\n\t<", @$refs).">\n" if @$refs;
}
- _parent_headers($ctx, $eml);
- $rv .= "\n";
- \$rv;
+ $ctx->{-linkify}->linkify_mids('..', \$hbuf); # escapes HTML
+ say { $ctx->{zfh} } $hbuf;
+ 1;
}
sub SKEL_EXPAND () {
# when multiple Subject: headers are present, so we follow suit:
my $subj = $hdr->header('Subject') // '';
$subj = '(no subject)' if $subj eq '';
- $ctx->{prev_subj} = [ split(/ /, subject_normalized($subj)) ];
$ctx->{cur} = $mid;
$ctx->{prev_attr} = '';
$ctx->{prev_level} = 0;
$ctx->{parent_msg} = $parent;
}
-sub _parent_headers {
- my ($ctx, $hdr) = @_;
- my @irt = $hdr->header_raw('In-Reply-To');
- my $refs;
- if (@irt) {
- my $s = '';
- $s .= "In-Reply-To: $_\n" for @irt;
- $ctx->{-linkify}->linkify_mids('..', \$s);
- ${$ctx->{obuf}} .= $s;
- } else {
- $refs = references($hdr);
- my $irt = pop @$refs;
- if (defined $irt) {
- my $html = ascii_html($irt);
- my $href = mid_href($irt);
- ${$ctx->{obuf}} .= <<EOM;
-In-Reply-To: <<a\nhref="../$href/">$html</a>>
-EOM
- }
- }
-
- # do not display References: if search is present,
- # we show the thread skeleton at the bottom, instead.
- return if $ctx->{ibx}->over;
-
- $refs //= references($hdr);
- if (@$refs) {
- $_ = linkify_ref_no_over($_) for @$refs;
- ${$ctx->{obuf}} .= 'References: '. join("\n\t", @$refs) . "\n";
- }
-}
-
-# returns a string buffer
+# writes to zbuf
sub html_footer {
my ($ctx, $hdr) = @_;
my $upfx = '../';
- my $skel;
- my $rv = '<pre>';
- my $related;
+ my (@related, $skel);
+ my $foot = '<pre>';
my $qry = delete $ctx->{-qry};
if ($qry && $ctx->{ibx}->isrch) {
my $q = ''; # search for either ancestor or descendent patches
$q = wrap('', '', $q);
my $rows = ($q =~ tr/\n/\n/) + 1;
$q = ascii_html($q);
- $related = <<EOM;
+ $related[0] = <<EOM;
<form id=related
action=$upfx
><pre>find likely ancestor, descendant, or conflicting patches for <a
href=#t>this message</a>:
<textarea name=q cols=${\COLS} rows=$rows>$q</textarea>
<input type=submit value=search
-/>\t(<a href=${upfx}_/text/help/>help</a>)</pre></form>
+/>\t(<a href=${upfx}_/text/help/#search>help</a>)</pre></form>
EOM
}
if ($ctx->{ibx}->over) {
my $t = ts2str($ctx->{-t_max});
my $t_fmt = fmt_ts($ctx->{-t_max});
- my $fallback = $related ? "\t" : "<a id=related>\t</a>";
+ my $fallback = @related ? "\t" : "<a id=related>\t</a>";
$skel = <<EOF;
${fallback}other threads:[<a
href="$upfx?t=$t">~$t_fmt UTC</a>|<a
href="$upfx">newest</a>]
EOF
-
thread_skel(\$skel, $ctx, $hdr);
my ($next, $prev);
my $parent = ' ';
if (my $n = $ctx->{next_msg}) {
$n = mid_href($n);
- $next = "<a\nhref=\"$upfx$n/\"\nrel=next>next</a>";
+ $next = qq(<a\nhref="$upfx$n/"\nrel=next>next</a>);
}
- my $u;
my $par = $ctx->{parent_msg};
- if ($par) {
- $u = mid_href($par);
- $u = "$upfx$u/";
- }
+ my $u = $par ? $upfx.mid_href($par).'/' : undef;
if (my $p = $ctx->{prev_msg}) {
$prev = mid_href($p);
if ($p && $par && $p eq $par) {
- $prev = "<a\nhref=\"$upfx$prev/\"\n" .
+ $prev = qq(<a\nhref="$upfx$prev/"\n) .
'rel=prev>prev parent</a>';
$parent = '';
} else {
- $prev = "<a\nhref=\"$upfx$prev/\"\n" .
+ $prev = qq(<a\nhref="$upfx$prev/"\n) .
'rel=prev>prev</a>';
- $parent = " <a\nhref=\"$u\">parent</a>" if $u;
+ $parent = qq( <a\nhref="$u">parent</a>) if $u;
}
} elsif ($u) { # unlikely
- $parent = " <a\nhref=\"$u\"\nrel=prev>parent</a>";
+ $parent = qq( <a\nhref="$u"\nrel=prev>parent</a>);
}
- $rv .= "$next $prev$parent ";
+ $foot .= "$next $prev$parent ";
} else { # unindexed inboxes w/o over
$skel = qq( <a\nhref="$upfx">latest</a>);
}
- $rv .= qq(<a\nhref="#R">reply</a>);
- $rv .= $skel;
- $rv .= '</pre>';
- $rv .= $related // '';
- $rv .= msg_reply($ctx, $hdr);
-}
-
-sub linkify_ref_no_over {
- my ($mid) = @_;
- my $href = mid_href($mid);
- my $html = ascii_html($mid);
- "<<a\nhref=\"../$href/\">$html</a>>";
+ # $skel may be big for big threads, don't append it to $foot
+ print { $ctx->zfh } $foot, qq(<a\nhref="#R">reply</a>),
+ $skel, '</pre>', @related,
+ msg_reply($ctx, $hdr);
}
sub ghost_parent {
my $n = strftime('%Y-%m-%d %H:%M:%S', gmtime($newest));
my $o = strftime('%Y-%m-%d %H:%M:%S', gmtime($oldest));
$ctx->{t_note} = <<EOM;
- messages from $o to $n UTC, [<a href="#nav">more...</a>]
+ messages from $o to $n UTC [<a href="#nav">more...</a>]
EOM
my $s = ts2str($newest);
$ctx->{prev_page} = qq[<a\nhref="?t=$s-"\nrel=prev>] .
. '</pre>' . $end;
}
+# /$INBOX/$MSGID/d/ endpoint
+sub diff_msg {
+ my ($ctx) = @_;
+ require PublicInbox::MailDiff;
+ my $ibx = $ctx->{ibx};
+ my $over = $ibx->over or return no_over_html($ctx);
+ my ($id, $prev);
+ my $md = bless { ctx => $ctx }, 'PublicInbox::MailDiff';
+ my $next_arg = $md->{next_arg} = [ $ctx->{mid}, \$id, \$prev ];
+ my $smsg = $md->{smsg} = $over->next_by_mid(@$next_arg) or
+ return; # undef == 404
+ $ctx->{-t_max} = $smsg->{ts};
+ $ctx->{-upfx} = '../../';
+ $ctx->{-apfx} = '//'; # fail on to_attr()
+ $ctx->{-linkify} = PublicInbox::Linkify->new;
+ my $mid = ascii_html($smsg->{mid});
+ $ctx->{-title_html} = "diff for duplicates of <$mid>";
+ PublicInbox::WwwStream::html_init($ctx);
+ print { $ctx->{zfh} } '<pre>diff for duplicates of <<a href="../">',
+ $mid, "</a>>\n\n";
+ sub {
+ $ctx->attach($_[0]->([200, delete $ctx->{-res_hdr}]));
+ $md->begin_mail_diff;
+ };
+}
+
1;