rhg: make rhg recognise it supports zstd compression for revlogs
It already did, but was not aware of it.
Differential Revision: https://phab.mercurial-scm.org/D10324
--- a/rust/hg-core/src/requirements.rs Wed Mar 31 12:46:54 2021 -0700
+++ b/rust/hg-core/src/requirements.rs Wed Apr 07 13:31:15 2021 +0200
@@ -81,6 +81,7 @@
SHARESAFE_REQUIREMENT,
SPARSEREVLOG_REQUIREMENT,
RELATIVE_SHARED_REQUIREMENT,
+ REVLOG_COMPRESSION_ZSTD,
// As of this writing everything rhg does is read-only.
// When it starts writing to the repository, it’ll need to either keep the
// persistent nodemap up to date or remove this entry:
@@ -151,3 +152,7 @@
/// `.hg/store/requires` are present.
#[allow(unused)]
pub(crate) const SHARESAFE_REQUIREMENT: &str = "share-safe";
+
+/// A repository that use zstd compression inside its revlog
+#[allow(unused)]
+pub(crate) const REVLOG_COMPRESSION_ZSTD: &str = "revlog-compression-zstd";