sparse: make sure we adjust the dirstate at the same time as the parent

This is more correct and help our API split.

Differential Revision: https://phab.mercurial-scm.org/D11028

mercurial/context.py

@@ -2022,13 +2022,13 b' class workingctx(committablectx):'
             self._repo.dirstate.setparents(node)
             self._repo._quick_access_changeid_invalidate()
 
+            sparse.aftercommit(self._repo, node)
+
         # write changes out explicitly, because nesting wlock at
         # runtime may prevent 'wlock.release()' in 'repo.commit()'
         # from immediately doing so for subsequent changing files
         self._repo.dirstate.write(self._repo.currenttransaction())
 
-        sparse.aftercommit(self._repo, node)
-
     def mergestate(self, clean=False):
         if clean:
             return mergestatemod.mergestate.clean(self._repo)

mercurial/sparse.py

@@ -646,7 +646,7 b' def importfromfiles(repo, opts, paths, f'
     The updated sparse config is written out and the working directory
     is refreshed, as needed.
     """
-    with repo.wlock():
+    with repo.wlock(), repo.dirstate.parentchange():
         # read current configuration
         raw = repo.vfs.tryread(b'sparse')
         includes, excludes, profiles = parseconfig(repo.ui, raw, b'sparse')