Mercurial > public > mercurial-scm > hg-stable
diff mercurial/configitems.py @ 46884:cc3ad5c3af3b
persistent-nodemap: enable the feature by default when using Rust
As discussed at the 5.6 sprint, we can make it enabled by default, but only for
Rust installation.
Differential Revision: https://phab.mercurial-scm.org/D9765
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Thu, 14 Jan 2021 04:58:20 +0100 |
| parents | 84a93fa7ecfd |
| children | 08e26ef4ad35 |
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--- a/mercurial/configitems.py Fri Apr 09 03:36:24 2021 +0200 +++ b/mercurial/configitems.py Thu Jan 14 04:58:20 2021 +0100 @@ -1325,10 +1325,22 @@ 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=False, + default=_persistent_nodemap_default, ) # TODO needs to grow a docket file to at least store the last offset of the data # file when rewriting sidedata.