From 3bf9a1957159313d6f10aa08aed3863b0514ad43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20M=C3=BChlbacher?= <tmuehlbacher@posteo.net>
Date: Fri, 21 Mar 2025 16:34:02 +0000
Subject: [PATCH] feat(nix): add an MSRV build to CI
Having a build that uses the actual version of Rust specified in
Cargo.toml should allow us to catch issues with breaking MSRV compat
more easily.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
Cargo.toml | 2 +-
flake.nix | 16 ++++++++++++++++
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/Cargo.toml b/Cargo.toml
index d1a92ab7..54b6ec35 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "bcachefs-tools"
version = "1.25.0"
authors = ["Yuxuan Shui <yshuiv7@gmail.com>", "Kayla Firestack <dev@kaylafire.me>", "Kent Overstreet <kent.overstreet@linux.dev>" ]
edition = "2021"
-rust-version = "1.77"
+rust-version = "1.77.0"
[[bin]]
name = "bcachefs"
diff --git a/flake.nix b/flake.nix
index ce6f4084..c8225203 100644
--- a/flake.nix
+++ b/flake.nix
@@ -253,6 +253,22 @@
}
);
+ # cargo clippy with the current minimum supported rust version
+ # according to Cargo.toml
+ checks.msrv =
+ let
+ rustVersion = cargoToml.package.rust-version;
+ common = pkgs.callPackage mkCommon { inherit crane rustVersion; };
+ in
+ common.craneLib.cargoClippy (
+ common.args
+ // {
+ pname = "msrv";
+ inherit (common) cargoArtifacts;
+ cargoClippyExtraArgs = "--all-targets --all-features -- --deny warnings";
+ }
+ );
+
devShells.default = pkgs.mkShell {
inputsFrom = [
config.packages.default