msg_iter: pass $idx as a scalar, not array

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

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index e42fb3624bfc622a2310b9e8c14ead0871f02b15..3328c865d516f552de7bd190a46fd82d91f47081 100644 (file)
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -482,9 +482,8 @@ sub multipart_text_as_html {
 
 sub attach_link ($$$$;$) {
        my ($ctx, $ct, $p, $fn, $err) = @_;
-       my ($part, $depth, @idx) = @$p;
-       my $nl = $idx[-1] > 1 ? "\n" : '';
-       my $idx = join('.', @idx);
+       my ($part, $depth, $idx) = @$p;
+       my $nl = substr($idx, -2) eq '.1' ? '' : "\n"; # like join("\n", ...)
        my $size = bytes::length($part->body);
 
        # hide attributes normally, unless we want to aid users in
@@ -519,8 +518,8 @@ sub add_text_body { # callback for each_part
        my ($p, $ctx) = @_;
        my $upfx = $ctx->{mhref};
        my $ibx = $ctx->{-inbox};
-       # $p - from each_part: [ Email::MIME-like, depth, @idx ]
-       my ($part, $depth, @idx) = @$p;
+       # $p - from each_part: [ Email::MIME-like, depth, $idx ]
+       my ($part, $depth, $idx) = @$p;
        my $ct = $part->content_type || 'text/plain';
        my $fn = $part->filename;
        my ($s, $err) = msg_part_text($part, $ct);
@@ -537,13 +536,14 @@ sub add_text_body { # callback for each_part
        # headers for solver unless some coderepo are configured:
        my $diff;
        if ($s =~ /^--- [^\n]+\n\+{3} [^\n]+\n@@ /ms) {
-               # diffstat anchors do not link across attachments or messages:
-               $idx[0] = $upfx . $idx[0] if $upfx ne '';
-               $ctx->{-apfx} = join('/', @idx);
+               # diffstat anchors do not link across attachments or messages,
+               # -apfx is just a stable prefix for making diffstat anchors
+               # linkable to the first diff hunk w/o crossing attachments
+               $idx =~ tr!.!/!; # compatibility with previous versions
+               $ctx->{-apfx} = $upfx . $idx;
 
                # do attr => filename mappings for diffstats in git diffs:
                $ctx->{-anchors} = {} if $s =~ /^diff --git /sm;
-
                $diff = 1;
                delete $ctx->{-long_path};
                my $spfx;