diff --git a/mercurial/configitems.py b/mercurial/configitems.py --- a/mercurial/configitems.py +++ b/mercurial/configitems.py @@ -1473,22 +1473,10 @@ coreconfigitem( b'usestore', default=True, ) - - -def _persistent_nodemap_default(): - """compute `use-persistent-nodemap` default value - - The feature is disabled unless a fast implementation is available. - """ - from . import policy - - return policy.importrust('revlog') is not None - - coreconfigitem( b'format', b'use-persistent-nodemap', - default=_persistent_nodemap_default, + default=dynamicdefault, ) coreconfigitem( b'format', diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py --- a/mercurial/localrepo.py +++ b/mercurial/localrepo.py @@ -58,6 +58,7 @@ from . import ( obsolete, pathutil, phases, + policy, pushkey, pycompat, rcutil, @@ -3763,7 +3764,11 @@ def newreporequirements(ui, createopts): if ui.configbool(b'format', b'bookmarks-in-store'): requirements.add(requirementsmod.BOOKMARKS_IN_STORE_REQUIREMENT) - if ui.configbool(b'format', b'use-persistent-nodemap'): + # The feature is disabled unless a fast implementation is available. + persistent_nodemap_default = policy.importrust('revlog') is not None + if ui.configbool( + b'format', b'use-persistent-nodemap', persistent_nodemap_default + ): requirements.add(requirementsmod.NODEMAP_REQUIREMENT) # if share-safe is enabled, let's create the new repository with the new