dispatch: use the new API to resolve --repository

An even weirder feature of Mercurial is the ability to use `[paths]` alias as
value of `--repository`. The weird feature now use the new APIs.

Differential Revision: https://phab.mercurial-scm.org/D10424

mercurial/dispatch.py

@@ -50,6 +50,7 b' from . import ('
 from .utils import (
     procutil,
     stringutil,
+    urlutil,
 )
 
 
@@ -990,7 +991,7 b' def _getlocal(ui, rpath, wd=None):'
             lui.readconfig(os.path.join(path, b".hg", b"hgrc-not-shared"), path)
 
     if rpath:
-        path = lui.expandpath(rpath)
+        path = urlutil.get_clone_path(lui, rpath)[0]
         lui = ui.copy()
         if rcutil.use_repo_hgrc():
             _readsharedsourceconfig(lui, path)