comparison hgext/evolve.py @ 1412:8794a4680bdd

evolve: warn about every skipped evolution

When we could not evolve a revision, we used to silently ignore it. We now
inform the user that we ignored something and tell him why (with more or less
informative message).

1411:64515965c0df

        rev = solvablerevs.popleft()
        for dependent in rdependencies[rev]:
            dependencies[dependent].remove(rev)
            if not dependencies[dependent]:
                solvablerevs.append(dependent)
        ordering.append(rev)

    return ordering

@command('^evolve|stabilize|solve',
    [('n', 'dry-run', False,
        'do not perform actions, just print what would be done'),

                 " trying to stabilize on its parent\n" %
                 obs)
        obs = obs.parents()[0]
        newer = obsolete.successorssets(repo, obs.node())
    if len(newer) > 1:
        raise util.Abort(_("conflict rewriting. can't choose destination\n"))
    targets = newer[0]
    assert targets
    if len(targets) > 1:
        raise util.Abort(_("does not handle split parents yet\n"))
        return 2
    target = targets[0]
    displayer = cmdutil.show_changeset(ui, repo, {'template': shorttemplate})
    target = repo[target]
    if not ui.quiet or confirm:

    """Stabilize a bumped changeset"""
    repo = repo.unfiltered()
    bumped = repo[bumped.rev()]
    # For now we deny bumped merge
    if len(bumped.parents()) > 1:
        raise util.Abort('late comer stabilization is confused by bumped'
                         ' %s being a merge' % bumped)
    prec = repo.set('last(allprecursors(%d) and public())', bumped).next()
    # For now we deny target merge
    if len(prec.parents()) > 1:
        raise util.Abort('late comer evolution is confused by precursors'
                         ' %s being a merge' % prec)

    displayer = cmdutil.show_changeset(ui, repo, {'template': shorttemplate})
    if not ui.quiet or confirm:
        repo.ui.write(_('recreate:'))
        displayer.show(bumped)

    repo = repo.unfiltered()
    divergent = repo[divergent.rev()]
    base, others = divergentdata(divergent)
    if len(others) > 1:
        othersstr = "[%s]" % (','.join([str(i) for i in others]))
        hint = ("changeset %d is divergent with a changeset that got splitted "
                "| into multiple ones:\n[%s]\n"
                "| This is not handled by automatic evolution yet\n"
                "| You have to fallback to manual handling with commands "
                "such as:\n"
                "| - hg touch -D\n"
                "| - hg prune\n"
                "| \n"
                "| You should contact your local evolution Guru for help.\n"
                % (divergent, othersstr))
        raise util.Abort("we do not handle divergence with split yet",
                         hint=hint)
    other = others[0]
    if divergent.phase() <= phases.public:
        raise util.Abort("we can't resolve this conflict from the public side",
                    hint="%s is public, try from %s" % (divergent, other))
    if len(other.parents()) > 1:
        raise util.Abort("divergent changeset can't be a merge (yet)",
                    hint="You have to fallback to solving this by hand...\n"
                         "| This probably means redoing the merge and using "
                         "| `hg prune` to kill older version.")
    if other.p1() not in divergent.parents():
        raise util.Abort("parents are not common (not handled yet)",
                    hint="| %(d)s, %(o)s are not based on the same changeset.\n"
                         "| With the current state of its implementation, \n"
                         "| evolve does not work in that case.\n"
                         "| rebase one of them next to the other and run \n"
                         "| this command again.\n"
                         "| - either: hg rebase --dest 'p1(%(d)s)' -r %(o)s\n"
                         "| - or:     hg rebase --dest 'p1(%(o)s)' -r %(d)s"
                              % {'d': divergent, 'o': other})

    displayer = cmdutil.show_changeset(ui, repo, {'template': shorttemplate})
    if not ui.quiet or confirm:
        ui.write(_('merge:'))
        displayer.show(divergent)

1412:8794a4680bdd

        rev = solvablerevs.popleft()
        for dependent in rdependencies[rev]:
            dependencies[dependent].remove(rev)
            if not dependencies[dependent]:
                solvablerevs.append(dependent)
        del dependencies[rev]
        ordering.append(rev)

    ordering.extend(sorted(dependencies))
    return ordering

@command('^evolve|stabilize|solve',
    [('n', 'dry-run', False,
        'do not perform actions, just print what would be done'),

                 " trying to stabilize on its parent\n" %
                 obs)
        obs = obs.parents()[0]
        newer = obsolete.successorssets(repo, obs.node())
    if len(newer) > 1:
        msg = _("skipping %s: divergent rewriting. can't choose destination\n" % obs)
        ui.write_err(msg)
        return 2
    targets = newer[0]
    assert targets
    if len(targets) > 1:
        msg = _("does not handle split parents yet\n")
        ui.write_err(msg)
        return 2
    target = targets[0]
    displayer = cmdutil.show_changeset(ui, repo, {'template': shorttemplate})
    target = repo[target]
    if not ui.quiet or confirm:

    """Stabilize a bumped changeset"""
    repo = repo.unfiltered()
    bumped = repo[bumped.rev()]
    # For now we deny bumped merge
    if len(bumped.parents()) > 1:
        msg = _('skipping %s : we do not handle merge yet\n' % bumped)
        ui.write_err(msg)
        return 2
    prec = repo.set('last(allprecursors(%d) and public())', bumped).next()
    # For now we deny target merge
    if len(prec.parents()) > 1:
        msg = _('skipping: %s: public version is a merge, this not handled yet\n' % prec)
        ui.write_err(msg)
        return 2

    displayer = cmdutil.show_changeset(ui, repo, {'template': shorttemplate})
    if not ui.quiet or confirm:
        repo.ui.write(_('recreate:'))
        displayer.show(bumped)

    repo = repo.unfiltered()
    divergent = repo[divergent.rev()]
    base, others = divergentdata(divergent)
    if len(others) > 1:
        othersstr = "[%s]" % (','.join([str(i) for i in others]))
        msg = _("skipping %d:divergent with a changeset that got splitted into multiple ones:\n"
                 "|[%s]\n"
                 "| This is not handled by automatic evolution yet\n"
                 "| You have to fallback to manual handling with commands "
                 "such as:\n"
                 "| - hg touch -D\n"
                 "| - hg prune\n"
                 "| \n"
                 "| You should contact your local evolution Guru for help.\n"
                 % (divergent, othersstr))
        ui.write_err(msg)
        return 2
    other = others[0]
    if divergent.phase() <= phases.public:
        msg = _("skipping %s: we can't resolve divergence from the public side\n") % divergent
        ui.write_err(msg)
        hint = _("(%s is public, try from %s)\n" % (divergent, other))
        ui.write_err(hint)
        return 2
    if len(other.parents()) > 1:
        msg = _("skipping %s: divergent changeset can't be a merge (yet)\n" % divergent)
        ui.write_err(msg)
        hint = _("You have to fallback to solving this by hand...\n"
                 "| This probably means redoing the merge and using \n"
                 "| `hg prune` to kill older version.\n")
        ui.write_err(hint)
        return 2
    if other.p1() not in divergent.parents():
        msg = _("skipping %s: have a different parent than %s (not handled yet)\n") % (divergent, other)
        hint = _("| %(d)s, %(o)s are not based on the same changeset.\n"
                 "| With the current state of its implementation, \n"
                 "| evolve does not work in that case.\n"
                 "| rebase one of them next to the other and run \n"
                 "| this command again.\n"
                 "| - either: hg rebase --dest 'p1(%(d)s)' -r %(o)s\n"
                 "| - or:     hg rebase --dest 'p1(%(o)s)' -r %(d)s\n"
                 % {'d': divergent, 'o': other})
        ui.write_err(msg)
        ui.write_err(hint)
        return 2

    displayer = cmdutil.show_changeset(ui, repo, {'template': shorttemplate})
    if not ui.quiet or confirm:
        ui.write(_('merge:'))
        displayer.show(divergent)