59 

    60 def allsuccessors(obsstore, nodes, ignoreflags=0):

    61     """Yield node for every successor of <nodes>.

    62 

    63     Some successors may be unknown locally.

    64 

    65     This is a linear yield unsuited to detecting split changesets. It includes

    66     initial nodes too."""

    67     remaining = set(nodes)

    68     seen = set(remaining)

    69     while remaining:

    70         current = remaining.pop()

    71         yield current

    72         for mark in obsstore.successors.get(current, ()):

    73             # ignore marker flagged with specified flag

    74             if mark[2] & ignoreflags:

    75                 continue

    76             for suc in mark[1]:

    77                 if suc not in seen:

    78                     seen.add(suc)

    79                     remaining.add(suc)