622 def _helpmessage(continuecmd, abortcmd):

   623     msg = _('To continue:    %s\n'

   624             'To abort:       %s') % (continuecmd, abortcmd)

   625     return _commentlines(msg)

   626 

   627 def _rebasemsg():

   628     return _helpmessage('hg rebase --continue', 'hg rebase --abort')

   629 

   630 def _histeditmsg():

   631     return _helpmessage('hg histedit --continue', 'hg histedit --abort')

   632 

   633 def _unshelvemsg():

   634     return _helpmessage('hg unshelve --continue', 'hg unshelve --abort')

   635 

   636 def _graftmsg():

   637     return _helpmessage('hg graft --continue', 'hg graft --abort')

   638 

   639 def _mergemsg():

   640     return _helpmessage('hg commit', 'hg merge --abort')

   641 

   642 def _bisectmsg():

   643     msg = _('To mark the changeset good:    hg bisect --good\n'

   644             'To mark the changeset bad:     hg bisect --bad\n'

   645             'To abort:                      hg bisect --reset\n')

   646     return _commentlines(msg)

   647 

   648 def fileexistspredicate(filename):

   649     return lambda repo: repo.vfs.exists(filename)

   650 

   651 def _mergepredicate(repo):

   652     return len(repo[None].parents()) > 1

   653 

   654 STATES = (

   655     # (state, predicate to detect states, helpful message function)

   656     ('histedit', fileexistspredicate('histedit-state'), _histeditmsg),

   657     ('bisect', fileexistspredicate('bisect.state'), _bisectmsg),

   658     ('graft', fileexistspredicate('graftstate'), _graftmsg),

   659     ('unshelve', fileexistspredicate('shelvedstate'), _unshelvemsg),

   660     ('rebase', fileexistspredicate('rebasestate'), _rebasemsg),

   661     # The merge state is part of a list that will be iterated over.

   662     # They need to be last because some of the other unfinished states may also

   663     # be in a merge or update state (eg. rebase, histedit, graft, etc).

   664     # We want those to have priority.

   665     ('merge', _mergepredicate, _mergemsg),

   666 )

   667 

   668 def _getrepostate(repo):

   669     # experimental config: commands.status.skipstates

   670     skip = set(repo.ui.configlist('commands', 'status.skipstates'))

   671     for state, statedetectionpredicate, msgfn in STATES:

   672         if state in skip:

   673             continue

   674         if statedetectionpredicate(repo):

   675             return (state, statedetectionpredicate, msgfn)

   676