if name not in self.tags:

            raise TagDoesNotExistError("Tag %s does not exist" % name)

        tagpath = posixpath.join(self._repo.refs.path, 'refs', 'tags', name)

        try:

            os.remove(tagpath)

            self.tags = self._get_tags()

        except OSError, e:

            raise RepositoryError(e.strerror)

    @LazyProperty

    def _parsed_refs(self):

        refs = self._repo.get_refs()

                ('refs/remotes/origin/', 'RH'),

                ('refs/tags/', 'T')]

        _refs = {}

        for ref, sha in refs.iteritems():

            for k, type_ in keys:

                if ref.startswith(k):

                    _key = ref[len(k):]

                    _refs[_key] = [sha, type_]

                    break

        return _refs

    def _heads(self, reverse=False):

            <div class="buttons">

              ${h.submit('save',_('Save'),class_="ui-button")}

              ${h.reset('reset',_('Reset'),class_="ui-button")}

            </div>

        </div>

    </div>

    ${h.end_form()}

    ## permissions overview

    <div id="perms" class="table">

           %for section in sorted(c.perm_user.permissions.keys()):

              <div class="perms_section_head">${section.replace("_"," ").capitalize()}</div>

              <div id='tbl_list_wrap_${section}' class="yui-skin-sam">

               <table id="tbl_list_${section}">

                <thead>

                    <tr>

                    <th class="left">${_('Name')}</th>

                    <th class="left">${_('Permission')}</th>

                </thead>

                <tbody>

                %for k in c.perm_user.permissions[section]:

                     <%

                     if section != 'global':

                         section_perm = c.perm_user.permissions[section].get(k)

                            %if section == 'global':

                             ${h.bool2icon(True)}

                            %else:

                            <span class="perm_tag ${_perm}">${section_perm}</span>

                            %endif

                         </td>

                    </tr>

                %endfor

                </tbody>

               </table>

              </div>

           %endfor

</div>

</%def>

        ## JAVASCRIPT ##

        <%def name="js()">

            <script type="text/javascript">

            //JS translations map

            var TRANSLATION_MAP = {

                'add another comment':'${_("add another comment")}',

                'Stop following this repository':"${_('Stop following this repository')}",

                'Start following this repository':"${_('Start following this repository')}",

                'Group':"${_('Group')}",

                'members':"${_('members')}",

                'search truncated': "${_('search truncated')}",

            };

            var _TM = TRANSLATION_MAP;

            </script>

            <script type="text/javascript" src="${h.url('/js/yui.2.9.js')}"></script>

            <!--[if lt IE 9]>

               <script language="javascript" type="text/javascript" src="${h.url('/js/excanvas.min.js')}"></script>

            <![endif]-->

            <script type="text/javascript" src="${h.url('/js/yui.flot.js')}"></script>

            <script type="text/javascript" src="${h.url('/js/rhodecode.js')}"></script>

           ## EXTRA FOR JS

           ${self.js_extra()}

	                %endfor

	               %endfor

	        </div>

	    </div>

    </div>

    <%namespace name="comment" file="/changeset/changeset_file_comment.html"/>

    <%namespace name="diff_block" file="/changeset/diff_block.html"/>

     %for cs in c.cs_ranges:

          ##${comment.comment_inline_form(cs)}

          ## diff block

          <h3 style="padding-top:8px;">${h.link_to('r%s:%s' % (cs.revision,h.short_id(cs.raw_id)),h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id))}</h3>

          ${diff_block.diff_block(c.changes[cs.raw_id])}

          ##${comment.comments(cs)}

     %endfor

     <script type="text/javascript">

      YUE.onDOMReady(function(){

          YUE.on(YUQ('.diff-menu-activate'),'click',function(e){

              var act = e.currentTarget.nextElementSibling;

              if(YUD.hasClass(act,'active')){

        cls.backend_class = Backend

        cls.repo_path = get_new_dir(str(time.time()))

        cls.repo = Backend(cls.repo_path, create=True)

        cls.imc = cls.repo.in_memory_changeset

        for commit in cls._get_commits():

            for node in commit.get('added', []):

                cls.imc.add(FileNode(node.path, content=node.content))

            for node in commit.get('changed', []):

                cls.imc.change(FileNode(node.path, content=node.content))

            for node in commit.get('removed', []):

                cls.imc.remove(FileNode(node.path))

            cls.tip = cls.imc.commit(message=unicode(commit['message']),

                                     author=unicode(commit['author']),

                                     date=commit['date'])

    @classmethod

    def tearDownClass(cls):

        if not getattr(cls, 'recreate_repo_per_test', False) and \

            'VCS_REMOVE_TEST_DIRS' in os.environ:

            shutil.rmtree(cls.repo_path)

    def setUp(self):

        if getattr(self, 'recreate_repo_per_test', False):