xtask: fix nixfmt + update Nix flake + fix CI

.github/FUNDING.yml

@@ -1,4 +1,3 @@
 # If you are a frequent contributor to uefi-rs and would like to be featured in
 # the sponsors section, please contact the maintainers.
-
 github: phip1611

.github/workflows/developer_productivity.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
       # Dedicated step to separate all the
       # "copying path '/nix/store/...' from 'https://cache.nixos.org'."
       # messages from the actual build output.

.github/workflows/qa.yml

@@ -8,3 +8,35 @@ jobs:
       - uses: actions/checkout@v4
       # Executes "typos ."
       - uses: crate-ci/[email protected]
+  lints:
+    name: Lints
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v31
+      - uses: Swatinem/rust-cache@v2
+      # Dedicated step to separate all the
+      # "copying path '/nix/store/...' from 'https://cache.nixos.org'."
+      # messages from the actual build output.
+      - name: Prepare Nix Store
+        run: nix develop --command echo
+      # A dedicated step removes spam from the actual job.
+      - name: Build cargo xtask
+        run: cargo xtask help >/dev/null
+      # Executing this in a Nix shell ensures that all our checks run as all
+      # required tooling exists.
+      - name: Check formatting
+        run: |
+          CMD="cargo xtask fmt --check"
+          nix develop --command bash -c "$CMD"
+      - name: Run clippy
+        run: |
+          rustup component add clippy
+          cargo xtask clippy --warnings-as-errors
+      - name: Run cargo doc (without unstable)
+        run: cargo xtask doc --warnings-as-errors --document-private-items
+      - name: Verify generated code is up-to-date
+        run: cargo xtask gen-code --check
+      - name: Run additional checks on the uefi-raw package
+        run: cargo xtask check-raw

.github/workflows/rust.yml

@@ -81,33 +81,6 @@ jobs:
       - uses: Swatinem/rust-cache@v2
       - name: Run cargo test (without unstable)
         run: cargo xtask test
-  lints:
-    name: Lints
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v4
-      - uses: Swatinem/rust-cache@v2
-      - name: Install yamlfmt
-        env:
-          YFV: "0.13.0"
-          HASH: "043e96d754a8afa4f4c5c13ffb2f3e50c6be5a70bf53292d3025abc0b42fe4ae"
-        run: |
-          curl -L --fail --output /tmp/yamlfmt.tar.xz https://github.com/google/yamlfmt/releases/download/v${YFV}/yamlfmt_${YFV}_Linux_x86_64.tar.gz
-          echo "${HASH} /tmp/yamlfmt.tar.xz" | sha256sum --check
-          tar xf /tmp/yamlfmt.tar.xz -C /usr/local/bin yamlfmt
-      - name: Check formatting
-        run: cargo xtask fmt --check
-      - name: Run clippy
-        run: |
-          rustup component add clippy
-          cargo xtask clippy --warnings-as-errors
-      - name: Run cargo doc (without unstable)
-        run: cargo xtask doc --warnings-as-errors --document-private-items
-      - name: Verify generated code is up-to-date
-        run: cargo xtask gen-code --check
-      - name: Run additional checks on the uefi-raw package
-        run: cargo xtask check-raw
   # Run the build with our current stable MSRV (specified in
   # ./msrv_toolchain.toml). This serves to check that we don't
   # accidentally start relying on a new feature without intending

flake.nix

@@ -2,8 +2,10 @@
   description = "uefi-rs";
 
   inputs = {
-    # We follow the latest stable release of nixpkgs
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
+    # Use freshest nixpkgs. We don't use master as packages in nixpkgs-unstable
+    # have already been build by the nixpkgs CI and are available from the
+    # nixos.org cache.
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
     rust-overlay.url = "github:oxalica/rust-overlay";
   };
 

xtask/src/main.rs

@@ -309,15 +309,23 @@ fn run_fmt_project(fmt_opt: &FmtOpt) -> Result<()> {
         eprintln!("Formatting: yml - SKIPPED");
     }
 
-    // fmt nix
-    if has_cmd("nixfmt") {
+    // fmt nix (by passing files as arguments)
+    // `find . -name "*.nix" -type f -exec nix fmt {} \+`
+    if has_cmd("find") && has_cmd("nixfmt") {
         eprintln!("Formatting: nix");
-        let mut command = Command::new("nixfmt");
+        let mut command = Command::new("find");
+        command.arg(".");
+        command.arg("-name");
+        command.arg("*.nix");
+        command.arg("-type");
+        command.arg("f");
+        command.arg("-exec");
+        command.arg("nixfmt");
         if fmt_opt.check {
             command.arg("--check");
         }
-        command.arg("nix");
-        command.arg("shell.nix");
+        command.arg("{}");
+        command.arg("+");
 
         match run_cmd(command) {
             Ok(_) => {