comparison mercurial/obsolete.py @ 33145:0a370b93cca2

obsutil: move 'allsuccessors' to the new modules

We have a new 'obsutil' module now. We move the high level utility there to bring
'obsolete.py' back to a more reasonable size.

33144:d0e5bf12f314

def successormarkers(ctx):
    """obsolete marker making this changeset obsolete"""
    for data in ctx.repo().obsstore.successors.get(ctx.node(), ()):
        yield marker(ctx.repo(), data)

def allsuccessors(obsstore, nodes, ignoreflags=0):
    """Yield node for every successor of <nodes>.

    Some successors may be unknown locally.

    This is a linear yield unsuited to detecting split changesets. It includes
    initial nodes too."""
    remaining = set(nodes)
    seen = set(remaining)
    while remaining:
        current = remaining.pop()
        yield current
        for mark in obsstore.successors.get(current, ()):
            # ignore marker flagged with specified flag
            if mark[2] & ignoreflags:
                continue
            for suc in mark[1]:
                if suc not in seen:
                    seen.add(suc)
                    remaining.add(suc)

def foreground(repo, nodes):
    """return all nodes in the "foreground" of other node

    The foreground of a revision is anything reachable using parent -> children
    or precursor -> successor relation. It is very similar to "descendant" but

        # compute the whole set of successors or descendants
        while len(foreground) != plen:
            plen = len(foreground)
            succs = set(c.node() for c in foreground)
            mutable = [c.node() for c in foreground if c.mutable()]
            succs.update(allsuccessors(repo.obsstore, mutable))
            known = (n for n in succs if n in nm)
            foreground = set(repo.set('%ln::', known))
    return set(c.node() for c in foreground)

# keep compatibility for the 4.3 cycle
def allprecursors(obsstore, nodes, ignoreflags=0):
    movemsg = 'obsolete.allprecursors moved to obsutil.allprecursors'
    util.nouideprecwarn(movemsg, '4.3')
    return obsutil.allprecursors(obsstore, nodes, ignoreflags)

def exclusivemarkers(repo, nodes):
    movemsg = 'obsolete.exclusivemarkers moved to obsutil.exclusivemarkers'
    repo.ui.deprecwarn(movemsg, '4.3')
    return obsutil.exclusivemarkers(repo, nodes)

33145:0a370b93cca2

def successormarkers(ctx):
    """obsolete marker making this changeset obsolete"""
    for data in ctx.repo().obsstore.successors.get(ctx.node(), ()):
        yield marker(ctx.repo(), data)

def foreground(repo, nodes):
    """return all nodes in the "foreground" of other node

    The foreground of a revision is anything reachable using parent -> children
    or precursor -> successor relation. It is very similar to "descendant" but

        # compute the whole set of successors or descendants
        while len(foreground) != plen:
            plen = len(foreground)
            succs = set(c.node() for c in foreground)
            mutable = [c.node() for c in foreground if c.mutable()]
            succs.update(obsutil.allsuccessors(repo.obsstore, mutable))
            known = (n for n in succs if n in nm)
            foreground = set(repo.set('%ln::', known))
    return set(c.node() for c in foreground)

# keep compatibility for the 4.3 cycle
def allprecursors(obsstore, nodes, ignoreflags=0):
    movemsg = 'obsolete.allprecursors moved to obsutil.allprecursors'
    util.nouideprecwarn(movemsg, '4.3')
    return obsutil.allprecursors(obsstore, nodes, ignoreflags)

def allsuccessors(obsstore, nodes, ignoreflags=0):
    movemsg = 'obsolete.allsuccessors moved to obsutil.allsuccessors'
    util.nouideprecwarn(movemsg, '4.3')
    return obsutil.allsuccessors(obsstore, nodes, ignoreflags)

def exclusivemarkers(repo, nodes):
    movemsg = 'obsolete.exclusivemarkers moved to obsutil.exclusivemarkers'
    repo.ui.deprecwarn(movemsg, '4.3')
    return obsutil.exclusivemarkers(repo, nodes)