1 '''

     2 kwutil provides required little helpers for the Mercurial

     3 keyword extension and the Python pretxncommit hook pretxnkw.

     4 '''

     5 

     6 from mercurial import util

     7 import os.path

     8 

     9 # supported keywords for use in regexes

    10 hgkeywords = 'Id|Header|Author|Date|Revision|RCSFile|Source'

    11 

    12 def kwexpand(matchobj, repo, Revision, f, date, Author):

    13     '''Called by keyword extension and pretxnkw pretxncomit hook,

    14     sets supported keywords as local variables and evaluates them

    15     to their expansion if matchobj is equal to their string

    16     representation.'''

    17     RCSFile = os.path.basename(f)+',v'

    18     Source = os.path.join(repo.root, f)+',v'

    19     Date = util.datestr(date)

    20     revdateauth = '%s %s %s' % (Revision,

    21             util.datestr(date=date, format=util.defaultdateformats[0]),

    22                                                 # %Y-%m-%d %H:%M:%S

    23             util.shortuser(Author))

    24     Header = '%s %s' % (Source, revdateauth)

    25     Id = '%s %s' % (RCSFile, revdateauth)

    26     return '$%s: %s $' % (matchobj.group(1), eval(matchobj.group(1)))