viewvcs: author date links to contemporary messages

Sometimes it can be useful to figure out what's going in on the
associated inbox around the time the patch was authored.

1 files changed, 8 insertions, 1 deletions

diff --git a/lib/PublicInbox/ViewVCS.pm b/lib/PublicInbox/ViewVCS.pm
index 84358d0e..fd95e24e 100644
--- a/lib/PublicInbox/ViewVCS.pm
+++ b/lib/PublicInbox/ViewVCS.pm
@@ -148,6 +148,7 @@ sub show_commit_start { # ->psgi_qx callback
 sub cmt_finalize {
         my ($ctx) = @_;
         $ctx->{-linkify} //= PublicInbox::Linkify->new;
+        my $upfx = $ctx->{-upfx} = '../../'; # from "/$INBOX/$OID/s/"
         # try to keep author and committer dates lined up
         my ($au, $co) = delete @$ctx{qw(cmt_au cmt_co)};
         my $x = length($au) - length($co);
@@ -159,9 +160,15 @@ sub cmt_finalize {
                 $au =~ s/>/>$x/;
         }
         $_ = ascii_html($_) for ($au, $co);
+        $au =~ s!(> +)([0-9]{4,}-\S+ \S+)!
+                my ($gt, $t) = ($1, $2);
+                $t =~ tr/ :-//d;
+                qq($gt<a
+href="$upfx?t=$t"
+title="list contemporary emails">$2</a>)
+                !e;
         my $s = $ctx->{-linkify}->to_html(delete $ctx->{cmt_s});
         $ctx->{-title_html} = $s;
-        my $upfx = $ctx->{-upfx} = '../../'; # from "/$INBOX/$OID/s/"
         my ($P, $p, $pt) = delete @$ctx{qw(-cmt_P -cmt_p -cmt_pt)};
         $_ = qq(<a href="$upfx$_/s/">).shift(@$p).'</a> '.shift(@$pt) for @$P;
         if (@$P == 1) {