nodemap: make sure the nodemap docket is updated after the changelog

It is better to have a lagging nodemap than a nodemap pointing to node that does
not exists yet.

(strictly speaking, the order was already right, however we make it more
explicit).

Differential Revision: https://phab.mercurial-scm.org/D8188

mercurial/revlogutils/nodemap.py

@@ -72,7 +72,9 b' def setup_persistent_nodemap(tr, revlog)'
         return  # inlined revlog are too small for this to be relevant
     if revlog.nodemap_file is None:
         return  # we do not use persistent_nodemap on this revlog
-    callback_id = b"revlog-persistent-nodemap-%s" % revlog.nodemap_file
+
+    # we need to happen after the changelog finalization, in that use "cl-"
+    callback_id = b"nm-revlog-persistent-nodemap-%s" % revlog.nodemap_file
     if tr.hasfinalize(callback_id):
         return  # no need to register again
     tr.addpending(