diff mercurial/configitems.py @ 47288:ed0d54b20c5b

dirstate-v2: Add a new experimental `exp-dirstate-v2` repository requirement

This requirement is added to `.hg/requires` when creating a new repository
if Rust extensions are enabled and the `format.exp-dirstate-v2` config is set.
Nothing yet changes based on this requirement, but its mere presence affects
some tests (for example if they print `.hg/requires`). The next two changesets
update tests’ expected outputs accordingly.

There is no CI so far that enables this configuration.

Differential Revision: https://phab.mercurial-scm.org/D10716

--- a/mercurial/configitems.py	Fri Apr 16 00:16:43 2021 +0200
+++ b/mercurial/configitems.py	Wed May 19 13:14:59 2021 +0200
@@ -1303,6 +1303,14 @@
     experimental=True,
 )
 coreconfigitem(
+    # Enable this dirstate format *when creating a new repository*.
+    # Which format to use for existing repos is controlled by .hg/requires
+    b'format',
+    b'exp-dirstate-v2',
+    default=False,
+    experimental=True,
+)
+coreconfigitem(
     b'format',
     b'dotencode',
     default=True,