persistent-nodemap: rename the storage.revlog.nodemap.mmap option

Since the feature is publicly known as "persistent-nodemap" this seems better to
reference it as "persistent-nodemap" in related config too. So we rename the
option to `storage.revlog.persistent-nodemap.mmap`.

Differential Revision: https://phab.mercurial-scm.org/D9756

mercurial/configitems.py

@@ -1784,7 +1784,10 b' coreconfigitem('
 )
 # experimental as long as rust is experimental (or a C version is implemented)
 coreconfigitem(
-    b'storage', b'revlog.nodemap.mmap', default=True, experimental=True
+    b'storage',
+    b'revlog.persistent-nodemap.mmap',
+    default=True,
+    experimental=True,
 )
 # experimental as long as format.use-persistent-nodemap is.
 coreconfigitem(

mercurial/localrepo.py

@@ -1045,7 +1045,7 b' def resolverevlogstorevfsoptions(ui, req'
         options[b'rust.index'] = True
     if requirementsmod.NODEMAP_REQUIREMENT in requirements:
         options[b'persistent-nodemap'] = True
-    if ui.configbool(b'storage', b'revlog.nodemap.mmap'):
+    if ui.configbool(b'storage', b'revlog.persistent-nodemap.mmap'):
         options[b'persistent-nodemap.mmap'] = True
     epnm = ui.config(b'storage', b'revlog.nodemap.mode')
     options[b'persistent-nodemap.mode'] = epnm

tests/test-persistent-nodemap.t

@@ -169,12 +169,12 b' Test code path without mmap'
 
   $ echo bar > bar
   $ hg add bar
-  $ hg ci -m 'bar' --config storage.revlog.nodemap.mmap=no
+  $ hg ci -m 'bar' --config storage.revlog.persistent-nodemap.mmap=no
 
-  $ hg debugnodemap --check --config storage.revlog.nodemap.mmap=yes
+  $ hg debugnodemap --check --config storage.revlog.persistent-nodemap.mmap=yes
   revision in index:   5003
   revision in nodemap: 5003
-  $ hg debugnodemap --check --config storage.revlog.nodemap.mmap=no
+  $ hg debugnodemap --check --config storage.revlog.persistent-nodemap.mmap=no
   revision in index:   5003
   revision in nodemap: 5003