updatecaches: adds a `caches` parameters to `repo.updatecaches`

It will superseed the `full` parameters (and its `post-clone` variant from
stable). Various caller will be updated in the rest of this series.

Differential Revision: https://phab.mercurial-scm.org/D10728

mercurial/localrepo.py

@@ -2732,7 +2732,7 b' class localrepository(object):'
         return updater
 
     @unfilteredmethod
-    def updatecaches(self, tr=None, full=False):
+    def updatecaches(self, tr=None, full=False, caches=None):
         """warm appropriate caches
 
         If this function is called after a transaction closed. The transaction
@@ -2754,6 +2754,7 b' class localrepository(object):'
 
         unfi = self.unfiltered()
 
+        if caches is None:
         if full:
             caches = repository.CACHES_ALL
             if full == b"post-clone":