comparison mercurial/phases.py @ 15482:a667c89e49b3

phases: add retractboundary function to move boundary backward

The advanceboundary documentation is updated to highlight the difference.

15481:0b7ce2f739fb

            repo._dirtyphases = True

def advanceboundary(repo, targetphase, nodes):
    """Add nodes to a phase changing other nodes phases if necessary.

    Simplify boundary to contains phase roots only."""

    # move roots of lower states
    for phase in xrange(targetphase + 1, len(allphases)):
        # filter nodes that are not in a compatible phase already
        # XXX rev phase cache might have been invalidated by a previous loop
        # XXX we need to be smarter here
        nodes = [n for n in nodes if repo[n].phase() >= phase]

        if olds != roots:
            # invalidate cache (we probably could be smarter here
            if '_phaserev' in vars(repo):
                del repo._phaserev
            repo._dirtyphases = True

15482:a667c89e49b3

            repo._dirtyphases = True

def advanceboundary(repo, targetphase, nodes):
    """Add nodes to a phase changing other nodes phases if necessary.

    This function move boundary *forward* this means that all nodes are set
    in the target phase or kept in a *lower* phase.

    Simplify boundary to contains phase roots only."""
    for phase in xrange(targetphase + 1, len(allphases)):
        # filter nodes that are not in a compatible phase already
        # XXX rev phase cache might have been invalidated by a previous loop
        # XXX we need to be smarter here
        nodes = [n for n in nodes if repo[n].phase() >= phase]

        if olds != roots:
            # invalidate cache (we probably could be smarter here
            if '_phaserev' in vars(repo):
                del repo._phaserev
            repo._dirtyphases = True

def retractboundary(repo, targetphase, nodes):
    """Set nodes back to a phase changing other nodes phases if necessary.

    This function move boundary *backward* this means that all nodes are set
    in the target phase or kept in a *higher* phase.

    Simplify boundary to contains phase roots only."""
    currentroots = repo._phaseroots[targetphase]
    newroots = [n for n in nodes if repo[n].phase() < targetphase]
    if newroots:
        currentroots.update(newroots)
        ctxs = repo.set('roots(%ln::)', currentroots)
        currentroots.intersection_update(ctx.node() for ctx in ctxs)
        if '_phaserev' in vars(repo):
            del repo._phaserev
        repo._dirtyphases = True