if dbrepo.enable_downloads is False:

                return _('downloads disabled')

            cs = c.rhodecode_repo.get_changeset(revision)

            content_type = ARCHIVE_SPECS[fileformat][0]

        except ChangesetDoesNotExistError:

            return _('Unknown revision %s') % revision

        except EmptyRepositoryError:

            return _('Empty repository')

        except (ImproperArchiveTypeError, KeyError):

            return _('Unknown archive type')

        response.content_type = content_type

        response.content_disposition = 'attachment; filename=%s-%s%s' \

            % (repo_name, revision, ext)

        return cs.get_chunked_archive(stream=None, kind=fileformat)

    def diff(self, repo_name, f_path):

        diff1 = request.GET.get('diff1')

        diff2 = request.GET.get('diff2')

        c.action = request.GET.get('diff')

        c.no_changes = diff1 == diff2

        c.f_path = f_path

        try:

            if diff1 not in ['', None, 'None', '0' * 12, '0' * 40]:

                c.changeset_1 = c.rhodecode_repo.get_changeset(diff1)

                node1 = c.changeset_1.get_node(f_path)

            else:

                c.changeset_1 = EmptyChangeset(repo=c.rhodecode_repo)

                node1 = FileNode('.', '', changeset=c.changeset_1)

            if diff2 not in ['', None, 'None', '0' * 12, '0' * 40]:

                c.changeset_2 = c.rhodecode_repo.get_changeset(diff2)

                node2 = c.changeset_2.get_node(f_path)

            else:

                c.changeset_2 = EmptyChangeset(repo=c.rhodecode_repo)

                node2 = FileNode('.', '', changeset=c.changeset_2)

        except RepositoryError:

            return redirect(url('files_home',

                                repo_name=c.repo_name, f_path=f_path))

        if c.action == 'download':

            diff = differ.DiffProcessor(differ.get_gitdiff(node1, node2),

                                        format='gitdiff')

            diff_name = '%s_vs_%s.diff' % (diff1, diff2)

            response.content_type = 'text/plain'

            response.content_disposition = 'attachment; filename=%s' \

                                                    % diff_name

            return diff.raw_diff()

        elif c.action == 'raw':

            diff = differ.DiffProcessor(differ.get_gitdiff(node1, node2),

                                        format='gitdiff')

            response.content_type = 'text/plain'

            return diff.raw_diff()

        elif c.action == 'diff':

            if node1.is_binary or node2.is_binary:

                c.cur_diff = _('Binary file')

            elif node1.size > self.cut_off_limit or \

                    node2.size > self.cut_off_limit:

            else:

                diff = differ.DiffProcessor(differ.get_gitdiff(node1, node2),

                                        format='gitdiff')

                c.cur_diff = diff.as_html()

        else:

            #default option

            if node1.is_binary or node2.is_binary:

                c.cur_diff = _('Binary file')

            elif node1.size > self.cut_off_limit or \

                    node2.size > self.cut_off_limit:

            else:

                diff = differ.DiffProcessor(differ.get_gitdiff(node1, node2),

                                        format='gitdiff')

                c.cur_diff = diff.as_html()

            c.no_changes = True

        return render('files/file_diff.html')

    def _get_node_history(self, cs, f_path):

        changesets = cs.get_file_history(f_path)

        hist_l = []

        changesets_group = ([], _("Changesets"))

        branches_group = ([], _("Branches"))

        tags_group = ([], _("Tags"))

        for chs in changesets:

            n_desc = 'r%s:%s' % (chs.revision, chs.short_id)

            changesets_group[0].append((chs.raw_id, n_desc,))

        hist_l.append(changesets_group)

        for name, chs in c.rhodecode_repo.branches.items():

            #chs = chs.split(':')[-1]

            branches_group[0].append((chs, name),)

        hist_l.append(branches_group)

        for name, chs in c.rhodecode_repo.tags.items():

            #chs = chs.split(':')[-1]

</%def>

<%def name="main()">

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}

    </div>

    <div class="table">

		<div id="body" class="diffblock">

			<div class="code-header">

                <div class="changeset_header">

                <span class="changeset_file">${h.link_to(c.f_path,h.url('files_home',repo_name=c.repo_name,

				revision=c.changeset_2.raw_id,f_path=c.f_path))}</span>

				 &raquo; <span>${h.link_to(_('diff'),

				h.url.current(diff2=c.changeset_2.raw_id,diff1=c.changeset_1.raw_id,diff='diff'))}</span>

				 &raquo; <span>${h.link_to(_('raw diff'),

				h.url.current(diff2=c.changeset_2.raw_id,diff1=c.changeset_1.raw_id,diff='raw'))}</span>

				 &raquo; <span>${h.link_to(_('download diff'),

				h.url.current(diff2=c.changeset_2.raw_id,diff1=c.changeset_1.raw_id,diff='download'))}</span>

				</div>

			</div>

			<div class="code-body">

		 			%if c.no_changes:

		            	${_('No changes')}

		            %else:        

						${c.cur_diff|n}

		            %endif

			</div>

		</div>   

    </div>

</div>    

</%def>