gitweb: do not give blame link unconditionally in diff-tree view

Signed-off-by: Junio C Hamano <redacted>

diff --git a/gitweb.perl b/gitweb.perl
index 5e61bd15c603814073c8080ed9d3ced0bd102422d806060d1154c93910bc00e3..4a8bea05535303f7e1673a0bf33dfb9188fb2993add3c6e75aa9e77e621c1800 100755 (executable)
--- a/gitweb.perl
+++ b/gitweb.perl
@@ -2013,7 +2013,7 @@ sub git_print_tree_entry {
 
 sub git_difftree_body {
        my ($difftree, $hash, $parent) = @_;
-
+       my ($have_blame) = gitweb_check_feature('blame');
        print "<div class=\"list_head\">\n";
        if ($#{$difftree} > 10) {
                print(($#{$difftree} + 1) . " files changed:\n");
@@ -2086,9 +2086,13 @@ sub git_difftree_body {
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
                                                     hash_base=>$parent, file_name=>$diff{'file'})},
                                      "blob") . " | ";
-                       print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
-                                                    file_name=>$diff{'file'})},
-                                     "blame") . " | ";
+                       if ($have_blame) {
+                               print $cgi->a({-href =>
+                                                  href(action=>"blame",
+                                                       hash_base=>$parent,
+                                                       file_name=>$diff{'file'})},
+                                             "blame") . " | ";
+                       }
                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
                                                     file_name=>$diff{'file'})},
                                      "history");
@@ -2134,9 +2138,12 @@ sub git_difftree_body {
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
                                                     hash_base=>$hash, file_name=>$diff{'file'})},
                                      "blob") . " | ";
-                       print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
-                                                    file_name=>$diff{'file'})},
-                                     "blame") . " | ";
+                       if ($have_blame) {
+                               print $cgi->a({-href => href(action=>"blame",
+                                                            hash_base=>$hash,
+                                                            file_name=>$diff{'file'})},
+                                             "blame") . " | ";
+                       }
                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
                                                     file_name=>$diff{'file'})},
                                      "history");
@@ -2177,9 +2184,12 @@ sub git_difftree_body {
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
                                                     hash_base=>$parent, file_name=>$diff{'from_file'})},
                                      "blob") . " | ";
-                       print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
-                                                    file_name=>$diff{'from_file'})},
-                                     "blame") . " | ";
+                       if ($have_blame) {
+                               print $cgi->a({-href => href(action=>"blame",
+                                                            hash_base=>$hash,
+                                                            file_name=>$diff{'to_file'})},
+                                             "blame") . " | ";
+                       }
                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
                                                    file_name=>$diff{'from_file'})},
                                      "history");