gitweb: Allow for pre-parsed difftree info in git_patchset_body

Preparation for converting git_blobdiff and git_blobdiff_plain
to use git-diff-tree patch format to generate patches.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 80de7b6b671527852aaec5f0e9bcfd36707c0bb2..56a47ab633272c3c8f55abe72f26567e30b5e885 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1624,7 +1624,7 @@ sub git_patchset_body {
        my $patch_idx = 0;
        my $in_header = 0;
        my $patch_found = 0;
-       my %diffinfo;
+       my $diffinfo;
 
        print "<div class=\"patchset\">\n";
 
@@ -1643,54 +1643,59 @@ sub git_patchset_body {
                        }
                        print "<div class=\"patch\">\n";
 
-                       %diffinfo = parse_difftree_raw_line($difftree->[$patch_idx++]);
+                       if (ref($difftree->[$patch_idx]) eq "HASH") {
+                               $diffinfo = $difftree->[$patch_idx];
+                       } else {
+                               $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
+                       }
+                       $patch_idx++;
 
                        # for now, no extended header, hence we skip empty patches
                        # companion to  next LINE if $in_header;
-                       if ($diffinfo{'from_id'} eq $diffinfo{'to_id'}) { # no change
+                       if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
                                $in_header = 1;
                                next LINE;
                        }
 
-                       if ($diffinfo{'status'} eq "A") { # added
-                               print "<div class=\"diff_info\">" . file_type($diffinfo{'to_mode'}) . ":" .
+                       if ($diffinfo->{'status'} eq "A") { # added
+                               print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
-                                                            hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
-                                             $diffinfo{'to_id'}) . "(new)" .
+                                                            hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
+                                             $diffinfo->{'to_id'}) . "(new)" .
                                      "</div>\n"; # class="diff_info"
 
-                       } elsif ($diffinfo{'status'} eq "D") { # deleted
-                               print "<div class=\"diff_info\">" . file_type($diffinfo{'from_mode'}) . ":" .
+                       } elsif ($diffinfo->{'status'} eq "D") { # deleted
+                               print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
-                                                            hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
-                                             $diffinfo{'from_id'}) . "(deleted)" .
+                                                            hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
+                                             $diffinfo->{'from_id'}) . "(deleted)" .
                                      "</div>\n"; # class="diff_info"
 
-                       } elsif ($diffinfo{'status'} eq "R" || # renamed
-                                $diffinfo{'status'} eq "C") { # copied
+                       } elsif ($diffinfo->{'status'} eq "R" || # renamed
+                                $diffinfo->{'status'} eq "C") { # copied
                                print "<div class=\"diff_info\">" .
-                                     file_type($diffinfo{'from_mode'}) . ":" .
+                                     file_type($diffinfo->{'from_mode'}) . ":" .
                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
-                                                            hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'from_file'})},
-                                             $diffinfo{'from_id'}) .
+                                                            hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
+                                             $diffinfo->{'from_id'}) .
                                      " -> " .
-                                     file_type($diffinfo{'to_mode'}) . ":" .
+                                     file_type($diffinfo->{'to_mode'}) . ":" .
                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
-                                                            hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'to_file'})},
-                                             $diffinfo{'to_id'});
+                                                            hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
+                                             $diffinfo->{'to_id'});
                                print "</div>\n"; # class="diff_info"
 
                        } else { # modified, mode changed, ...
                                print "<div class=\"diff_info\">" .
-                                     file_type($diffinfo{'from_mode'}) . ":" .
+                                     file_type($diffinfo->{'from_mode'}) . ":" .
                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
-                                                            hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
-                                             $diffinfo{'from_id'}) .
+                                                            hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
+                                             $diffinfo->{'from_id'}) .
                                      " -> " .
-                                     file_type($diffinfo{'to_mode'}) . ":" .
+                                     file_type($diffinfo->{'to_mode'}) . ":" .
                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
-                                                            hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
-                                             $diffinfo{'to_id'});
+                                                            hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
+                                             $diffinfo->{'to_id'});
                                print "</div>\n"; # class="diff_info"
                        }