90 

    91 def pack_dirstate(dmap, copymap, pl, now):

    92     now = int(now)

    93     cs = cStringIO.StringIO()

    94     write = cs.write

    95     write("".join(pl))

    96     for f, e in dmap.iteritems():

    97         if e[0] == 'n' and e[3] == now:

    98             # The file was last modified "simultaneously" with the current

    99             # write to dirstate (i.e. within the same second for file-

   100             # systems with a granularity of 1 sec). This commonly happens

   101             # for at least a couple of files on 'update'.

   102             # The user could change the file without changing its size

   103             # within the same second. Invalidate the file's stat data in

   104             # dirstate, forcing future 'status' calls to compare the

   105             # contents of the file. This prevents mistakenly treating such

   106             # files as clean.

   107             e = (e[0], 0, -1, -1)   # mark entry as 'unset'

   108             dmap[f] = e

   109 

   110         if f in copymap:

   111             f = "%s\0%s" % (f, copymap[f])

   112         e = _pack(">cllll", e[0], e[1], e[2], e[3], len(f))

   113         write(e)

   114         write(f)

   115     return cs.getvalue()