--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -3106,6 +3106,9 @@ def load_extensions(ui):
         uisetup = getattr(mod, 'uisetup', None)
         if uisetup:
             uisetup(ui)
+        reposetup = getattr(mod, 'reposetup', None)
+        if reposetup:
+            hg.repo_setup_hooks.append(reposetup)
         cmdtable = getattr(mod, 'cmdtable', {})
         for t in cmdtable:
             if t in table:
@@ -3188,11 +3191,6 @@ def dispatch(args):
                     if not repo:
                         repo = hg.repository(u, path=path)
                     u = repo.ui
-                    for name in external.itervalues():
-                        mod = sys.modules[name]
-                        if hasattr(mod, 'reposetup'):
-                            mod.reposetup(u, repo)
-                            hg.repo_setup_hooks.append(mod.reposetup)
                 except hg.RepoError:
                     if cmd not in optionalrepo.split():
                         raise