elif c.file.is_file():

                c.load_full_history = False

                # determine if we're on branch head

                _branches = c.db_repo_scm_instance.branches

                c.on_branch_head = revision in _branches or revision in _branches.values()

                _hist = []

                c.file_history = []

                if c.load_full_history:

                    c.file_history, _hist = self._get_node_history(c.changeset, f_path)

                c.authors = []

                for a in set([x.author for x in _hist]):

                    c.authors.append((author_email(a), h.person(a)))

            else:

                c.authors = c.file_history = []

        except RepositoryError as e:

            h.flash(e, category='error')

            raise HTTPNotFound()

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            return render('files/files_ypjax.html')

        # TODO: tags and bookmarks?

        c.revision_options = [(c.changeset.raw_id,

            [(n, b) for b, n in c.db_repo_scm_instance.branches.items()]

        if c.db_repo_scm_instance.closed_branches:

            prefix = _('(closed)') + ' '

            c.revision_options += [('-', '-')] + \

                [(n, prefix + b) for b, n in c.db_repo_scm_instance.closed_branches.items()]

        return render('files/files.html')

    @LoginRequired(allow_default_user=True)

    @HasRepoPermissionLevelDecorator('read')

    @jsonify

    def history(self, repo_name, revision, f_path):

        changeset = self.__get_cs(revision)

        _file = changeset.get_node(f_path)

        if _file.is_file():

            file_history, _hist = self._get_node_history(changeset, f_path)

            res = []

            for obj in file_history:

                res.append({

                    'text': obj[1],

                    'children': [{'id': o[0], 'text': o[1]} for o in obj[0]]

                })

                            # - both for avail_revs and for revset results

                            hgrepo = mercurial.unionrepo.makeunionrepository(org_scm_instance.baseui,

                                                                   safe_bytes(org_scm_instance.path),

                                                                   safe_bytes(other_scm_instance.path))

                        else:

                            hgrepo = org_scm_instance._repo

                        show = set(hgrepo.revs('::%ld & !::parents(%s) & !::%s',

                                               avail_revs, revs[0], targethead))

                        if show:

                            c.update_msg = _('The following additional changes are available on %s:') % c.cs_branch_name

                        else:

                            c.update_msg = _('No additional changesets found for iterating on this pull request.')

                    else:

                        show = set()

                        avail_revs = set() # drop revs[0]

                        c.update_msg = _('No additional changesets found for iterating on this pull request.')

                    # TODO: handle branch heads that not are tip-most

                    brevs = org_scm_instance._repo.revs('%s - %ld - %s', c.cs_branch_name, avail_revs, revs[0])

                    if brevs:

                        # also show changesets that are on branch but neither ancestors nor descendants

                        show.update(org_scm_instance._repo.revs('::%ld - ::%ld - ::%s', brevs, avail_revs, c.a_branch_name))

                        show.add(revs[0]) # make sure graph shows this so we can see how they relate

                        c.update_msg_other = _('Note: Branch %s has another head: %s.') % (c.cs_branch_name,

                    avail_show = sorted(show, reverse=True)

            elif org_scm_instance.alias == 'git':

                c.cs_repo.scm_instance.get_changeset(c.cs_rev) # check it exists - raise ChangesetDoesNotExistError if not

                c.update_msg = _("Git pull requests don't support iterating yet.")

        except ChangesetDoesNotExistError:

            c.update_msg = _('Error: some changesets not found when displaying pull request from %s.') % c.cs_rev

        c.avail_revs = avail_revs

        c.avail_cs = [org_scm_instance.get_changeset(r) for r in avail_show]

        c.avail_jsdata = graph_data(org_scm_instance, avail_show)

        raw_ids = [x.raw_id for x in c.cs_ranges]

        c.cs_comments = c.cs_repo.get_comments(raw_ids)

        c.cs_statuses = c.cs_repo.statuses(raw_ids)

        ignore_whitespace_diff = h.get_ignore_whitespace_diff(request.GET)

        diff_context_size = h.get_diff_context_size(request.GET)

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

        diff_limit = None if fulldiff else self.cut_off_limit

        # we swap org/other ref since we run a simple diff on one repo

        log.debug('running diff between %s and %s in %s',

## -*- coding: utf-8 -*-

<%inherit file="/base/base.html"/>

<%namespace name="changelog_table" file="changelog_table.html"/>

<%block name="title">

    ${_('%s Changelog') % c.repo_name}

    %if c.changelog_for_path:

      /${c.changelog_for_path}

    %endif

</%block>

<%def name="breadcrumbs_links()">

    <% size = c.size if c.size <= c.total_cs else c.total_cs %>

    ${_('Changelog')}

    %if c.changelog_for_path:

     - /${c.changelog_for_path}

    %endif

    %if c.revision:

    %endif

    - ${ungettext('showing %d out of %d revision', 'showing %d out of %d revisions', size) % (size, c.total_cs)}

</%def>

<%block name="header_menu">

    ${self.menu('repositories')}

</%block>

<%def name="main()">

${self.repo_context_bar('changelog', c.first_revision.raw_id if c.first_revision else None)}

<div class="panel panel-primary">

    <div class="panel-heading clearfix">

        ${self.breadcrumbs()}

    </div>

    <div class="panel-body changelog-panel">

        %if c.cs_pagination:

                <div class="changelog-heading clearfix" style="${'display:none' if c.changelog_for_path else ''}">

                    <div class="pull-left">

                        ${h.form(h.url.current(),method='get',class_="form-inline")}

                            ${h.submit(None,_('Show'),id='set_size_submit',class_="btn btn-default btn-sm")}

                            ${h.text('size',size=3,value=c.size,class_='form-control')}

                            ${_('revisions')}

                            %if c.branch_name:

                                ${h.hidden('branch', c.branch_name)}

<%block name="header_menu">

    ${self.menu('repositories')}

</%block>

<%def name="main()">

${self.repo_context_bar('changelog')}

<div class="panel panel-primary">

    <div class="panel-heading clearfix">

        <div class="pull-left">

            ${self.breadcrumbs()}

        </div>

        <div class="pull-right">

            <a href="${h.url('compare_url',repo_name=c.repo_name,org_ref_type='rev',org_ref_name=getattr(c.cs_ranges[0].parents[0] if c.cs_ranges[0].parents else h.EmptyChangeset(),'raw_id'),other_ref_type='rev',other_ref_name=c.cs_ranges[-1].raw_id)}" class="btn btn-default btn-sm"><i class="icon-git-compare"></i>Compare Revisions</a>

        </div>

    </div>

    <div class="panel-body">

        <div>

                <table class="table compare_view_commits">

                %for cnt,cs in enumerate(c.cs_ranges):

                  <tr>

                    %if c.visual.use_gravatar:

                    <td>${h.gravatar_div(h.email_or_none(cs.author), size=14)}</td>

                    %endif

                    <td class="author">${h.person(cs.author)}</td>

                    <td><span data-toggle="tooltip" title="${h.age(cs.date)}">${cs.date}</span></td>

                    <td>

                      %if c.statuses:

                        <i class="icon-circle changeset-status-${c.statuses[cnt]}" title="${_('Changeset status: %s') % h.changeset_status_lbl(c.statuses[cnt])}"></i>

                      %endif

                    </td>

                    <td><div class="message">${h.urlify_text(h.wrap_paragraphs(cs.message),c.repo_name)}</div></td>

                  </tr>

                %endfor

                </table>

                <h4>${_('Files affected')}</h4>

                <div class="cs_files">

                    %for cs in c.cs_ranges:

                        <h6>${h.link_to(h.show_id(cs),h.url('changeset_home',repo_name=c.cs_repo.repo_name,revision=cs.raw_id))}</h6>

                        <% a_rev, cs_rev, file_diff_data = c.changes[cs.raw_id] %>

                        %for fid, url_fid, op, a_path, path, diff, stats in file_diff_data:

                            <div class="cs_${op} clearfix">

                                <span class="node">

                                    <i class="icon-diff-${op}"></i>

                                    ${h.link_to(path, '#%s' % fid)}

                                </span>

                                <div class="changes">${h.fancy_file_stats(stats)}</div>

                            </div>

              %if c.cs_ref_type != 'branch':

                ${_('on')} ${h.link_to_ref(c.pull_request.org_repo.repo_name, 'branch', c.cs_branch_name)}

              %endif

            </div>

          </div>

        </div>

        <div class="form-group">

          <label>${_('Target')}:</label>

          <div>

            %if c.is_range:

              ${_("This is just a range of changesets and doesn't have a target or a real merge ancestor.")}

            %else:

              ${h.link_to_ref(c.pull_request.other_repo.repo_name, c.a_ref_type, c.a_ref_name)}

              ## we don't know other rev - c.a_rev is ancestor and not necessarily on other_name_branch branch

            %endif

          </div>

        </div>

        <div class="form-group">

          <label>${_('Pull changes')}:</label>

          <div>

            %if c.cs_ranges:

              <div>

               ## TODO: use cs_ranges[-1] or org_ref_parts[1] in both cases?

               %if h.is_hg(c.pull_request.org_repo):

               %elif h.is_git(c.pull_request.org_repo):

                 <span>git pull ${c.pull_request.org_repo.clone_url(clone_uri_tmpl=c.clone_uri_tmpl)} ${c.pull_request.org_ref_parts[1]}</span>

               %endif

              </div>

            %endif

          </div>

        </div>

        <div class="form-group">

          <label>${_('Created on')}:</label>

          <div>

              <div>${h.fmt_date(c.pull_request.created_on)}</div>

          </div>

        </div>

        <div class="form-group">

          <label>${_('Owner')}:</label>

          <div class="pr-not-edit">

                  ${h.gravatar_div(c.pull_request.owner.email, size=20)}

                  <span>${c.pull_request.owner.full_name_and_username}</span><br/>

                  <span><a href="mailto:${c.pull_request.owner.email}">${c.pull_request.owner.email}</a></span><br/>

          </div>

          <div class="pr-do-edit" style="display:none">

               ${h.text('owner', class_='form-control', value=c.pull_request.owner.username, placeholder=_('Type name of user'))}

          </div>

        </div>