comparison mercurial/merge.py @ 20279:5b4f963d21cc

merge: refactor initialization of variables in update

There is no code change here but this helps prepare for future commits that
will fix a bare update with obsolete markers.

20278:20ef533ffb01

    onode = node
    wlock = repo.wlock()
    try:
        wc = repo[None]
        if node is None:
            # Here is where we should consider bookmarks, divergent bookmarks,
            # foreground changesets (successors), and tip of current branch;
            # but currently we are only checking the branch tips.
            try:

                if wc.branch() == "default": # no default branch!
                    node = repo.lookup("tip") # update to tip
                else:
                    raise util.Abort(_("branch %s not found") % wc.branch())
        overwrite = force and not branchmerge
        pl = wc.parents()
        p1, p2 = pl[0], repo[node]
        if ancestor:
            pa = repo[ancestor]
        else:
            pa = p1.ancestor(p2)

        fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)

        ### check phase

20279:5b4f963d21cc

    onode = node
    wlock = repo.wlock()
    try:
        wc = repo[None]
        pl = wc.parents()
        p1 = pl[0]
        pa = None
        if ancestor:
            pa = repo[ancestor]

        if node is None:
            # Here is where we should consider bookmarks, divergent bookmarks,
            # foreground changesets (successors), and tip of current branch;
            # but currently we are only checking the branch tips.
            try:

                if wc.branch() == "default": # no default branch!
                    node = repo.lookup("tip") # update to tip
                else:
                    raise util.Abort(_("branch %s not found") % wc.branch())
        overwrite = force and not branchmerge

        p2 = repo[node]
        if pa is None:
            pa = p1.ancestor(p2)

        fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)

        ### check phase