bugfix, repo_size crashed when broken symlinks where inside a repository.

rhodecode/lib/hooks.py

@@ -37,10 +37,16 b' def repo_size(ui, repo, hooktype=None, *'
     for path, dirs, files in os.walk(repo.root):
         if path.find('.hg') != -1:
             for f in files:
+                try:
                 size_hg += os.path.getsize(os.path.join(path, f))
+                except OSError:
+                    pass
         else:
             for f in files:
+                try:
                 size_root += os.path.getsize(os.path.join(path, f))
+                except OSError:
+                    pass
                 
     size_hg_f = h.format_byte_size(size_hg)
     size_root_f = h.format_byte_size(size_root)