maintenance: added svn verify command to tasks to be able to verify

the filesystem and repo formats.

rhodecode/lib/repo_maintenance.py

@@ -83,6 +83,15 b' class HGVerify(MaintenanceTask):'
         return res
 
 
+class SVNVerify(MaintenanceTask):
+    human_name = 'SVN Verify repo'
+
+    def run(self):
+        instance = self.db_repo.scm_instance()
+        res = instance.verify()
+        return res
+
+
 class RepoMaintenance(object):
     """
     Performs maintenance of repository based on it's type
@@ -90,7 +99,7 b' class RepoMaintenance(object):'
     tasks = {
         'hg': [HGVerify],
         'git': [GitGC],
-        'svn': [],
+        'svn': [SVNVerify],
     }
 
     def get_tasks_for_repo(self, db_repo):

rhodecode/lib/vcs/backends/svn/repository.py

@@ -158,6 +158,12 b' class SubversionRepository(base.BaseRepo'
             return commit_id1
         return commit_id2
 
+    def verify(self):
+        verify = self._remote.verify()
+
+        self._remote.invalidate_vcs_cache()
+        return verify
+
     def compare(self, commit_id1, commit_id2, repo2, merge, pre_load=None):
         # TODO: johbo: Implement better comparison, this is a very naive
         # version which does not allow to compare branches, tags or folders