1 # $Hg$

     2 

     3 import kwexpander

     4 

     5 def updatekw(ui, repo, hooktype, **args):

     6     '''Collects candidates for keyword expansion on update

     7     and passes them to kwexpander.'''

     8 

     9     if hooktype != 'update':

    10         # bail out with error

    11         return True

    12 

    13     n1, n2 = args['parent1'], args['parent2']

    14     r1 = repo.changelog.lookup(n1)

    15     if n2:

    16         r2 = repo.changelog.lookup(n2)

    17         # next line for debugging only (check merges)

    18         ui.warn('parent2: %s\n' % n2)

    19     else:

    20         r2 = None

    21 

    22     (modified, added, removed, deleted,

    23             unknown, ignored, clean) = repo.status(node1=r1, node2=r2)

    24     candidates = modified + added + clean

    25 

    26     if  candidates:

    27         return kwexpander.expandkw(ui, repo, r1, n1, candidates, update=True)