91     return {

    91     return {

    92         'dotencode',

    92         'dotencode',

    93         'fncache',

    93         'fncache',

    94         'generaldelta',

    94         'generaldelta',

    95     }

    95     }

    96 

    99 

    97 deficiency = 'deficiency'

   100 deficiency = 'deficiency'

    98 optimisation = 'optimization'

   101 optimisation = 'optimization'

    99 

   102 

   100 class improvement(object):

   103 class improvement(object):

   677                           _(', ').join(sorted(blockedreqs)))

   680                           _(', ').join(sorted(blockedreqs)))

   678 

   681 

   679     # FUTURE there is potentially a need to control the wanted requirements via

   682     # FUTURE there is potentially a need to control the wanted requirements via

   680     # command arguments or via an extension hook point.

   683     # command arguments or via an extension hook point.

   681     newreqs = localrepo.newreporequirements(repo)

   684     newreqs = localrepo.newreporequirements(repo)

   682 

   686 

   683     noremovereqs = (repo.requirements - newreqs -

   687     noremovereqs = (repo.requirements - newreqs -

   684                    supportremovedrequirements(repo))

   688                    supportremovedrequirements(repo))

   685     if noremovereqs:

   689     if noremovereqs:

   686         raise error.Abort(_('cannot upgrade repository; requirement would be '

   690         raise error.Abort(_('cannot upgrade repository; requirement would be '