localrepo: make requirements attribute of newly-created repos contain a set

This is for internal consistency, as this attribute typically contains a set

mercurial/localrepo.py

@@ -63,6 +63,7 b' class localrepository(repo.repository):'
                     )
                 if self.ui.configbool('format', 'generaldelta', False):
                     requirements.append("generaldelta")
+                requirements = set(requirements)
             else:
                 raise error.RepoError(_("repository %s not found") % path)
         elif create:

tests/test-init.t

@@ -19,8 +19,8 b" creating 'local'"
   store created
   00changelog.i created
   revlogv1
+  fncache
   store
-  fncache
   dotencode
   $ echo this > local/foo
   $ hg ci --cwd local -A -m "init"
@@ -48,8 +48,8 b' creating repo with format.dotencode=fals'
   store created
   00changelog.i created
   revlogv1
+  fncache
   store
-  fncache
 
 test failure
 
@@ -145,8 +145,8 b" creating 'local/sub/repo'"
   store created
   00changelog.i created
   revlogv1
+  fncache
   store
-  fncache
   dotencode
 
 prepare test of init of url configured from paths
@@ -162,8 +162,8 b' init should (for consistency with clone)'
   store created
   00changelog.i created
   revlogv1
+  fncache
   store
-  fncache
   dotencode
 
 verify that clone also expand urls
@@ -175,8 +175,8 b' verify that clone also expand urls'
   store created
   00changelog.i created
   revlogv1
+  fncache
   store
-  fncache
   dotencode
 
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