hovercards: handle empty repository

rhodecode/apps/hovercards/views.py

@@ -34,7 +34,7 b' from rhodecode.lib.codeblocks import fil'
 from rhodecode.lib.index import searcher_from_config
 from rhodecode.lib.utils2 import safe_unicode, str2bool, safe_int
 from rhodecode.lib.ext_json import json
-from rhodecode.lib.vcs.exceptions import CommitDoesNotExistError
+from rhodecode.lib.vcs.exceptions import CommitDoesNotExistError, EmptyRepositoryError
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.model.db import (
     func, true, or_, case, in_filter_generator, Repository, RepoGroup, User, UserGroup, PullRequest)
@@ -102,8 +102,9 b' class HoverCardsRepoView(RepoAppView):'
         commit_id = self.request.matchdict['commit_id']
         pre_load = ['author', 'branch', 'date', 'message']
         try:
-            c.commit = self.rhodecode_vcs_repo.get_commit(commit_id=commit_id, pre_load=pre_load)
-        except CommitDoesNotExistError:
+            c.commit = self.rhodecode_vcs_repo.get_commit(
+                commit_id=commit_id, pre_load=pre_load)
+        except (CommitDoesNotExistError, EmptyRepositoryError):
             raise HTTPNotFound()
 
         return self._get_template_context(c)