Start removing lambda/strings and move to CHANGE_ACTION values.

* tools/hook-scripts/mailer/mailer.py:
  (generate_list): pass a CHANGE_ACTION value, rather than a func
  (_gather_paths): take an action value, rather than a filter function


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1913186 13f79535-47bb-0310-9956-ffa450edef68
1 file changed