Mercurial > public > mercurial-scm > hg
comparison 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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| 46883:df76da69f5b1 | 46884:cc3ad5c3af3b |
|---|---|
| 1323 coreconfigitem( | 1323 coreconfigitem( |
| 1324 b'format', | 1324 b'format', |
| 1325 b'usestore', | 1325 b'usestore', |
| 1326 default=True, | 1326 default=True, |
| 1327 ) | 1327 ) |
| 1328 | |
| 1329 | |
| 1330 def _persistent_nodemap_default(): | |
| 1331 """compute `use-persistent-nodemap` default value | |
| 1332 | |
| 1333 The feature is disabled unless a fast implementation is available. | |
| 1334 """ | |
| 1335 from . import policy | |
| 1336 | |
| 1337 return policy.importrust('revlog') is not None | |
| 1338 | |
| 1339 | |
| 1328 coreconfigitem( | 1340 coreconfigitem( |
| 1329 b'format', | 1341 b'format', |
| 1330 b'use-persistent-nodemap', | 1342 b'use-persistent-nodemap', |
| 1331 default=False, | 1343 default=_persistent_nodemap_default, |
| 1332 ) | 1344 ) |
| 1333 # TODO needs to grow a docket file to at least store the last offset of the data | 1345 # TODO needs to grow a docket file to at least store the last offset of the data |
| 1334 # file when rewriting sidedata. | 1346 # file when rewriting sidedata. |
| 1335 # Will also need a way of dealing with garbage data if we allow rewriting | 1347 # Will also need a way of dealing with garbage data if we allow rewriting |
| 1336 # *existing* sidedata. | 1348 # *existing* sidedata. |