$cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
" | " .
$cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
$cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
" | " .
$cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .