Merge branch 'master' into shc

Author: nicknovitski

.github/workflows/ci.yaml

@@ -1,7 +1,13 @@
 name: "Build"
+
 on:
   pull_request:
   push:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   tests:
     strategy:
@@ -10,25 +16,47 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v30
-    - uses: cachix/cachix-action@v15
+    - uses: cachix/install-nix-action@v31
+    - uses: cachix/cachix-action@v16
       with:
         name: pre-commit-hooks
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
     - run: rm -rf /opt&
     - run: nix-build --keep-going
+
   tests-flakes:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v30
-    - uses: cachix/cachix-action@v15
+    - uses: cachix/install-nix-action@v31
+    - uses: cachix/cachix-action@v16
       with:
         name: pre-commit-hooks
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
     - run: rm -rf /opt&
-    - run: nix flake check -L --show-trace
+
+    - name: Check nixpkgs-unstable
+      run: nix flake check -L --show-trace
+
     - run: nix eval .#lib.x86_64-linux.run --show-trace
+
+  tests-flakes-stable:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: cachix/install-nix-action@v31
+    - uses: cachix/cachix-action@v16
+      with:
+        name: pre-commit-hooks
+        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+    - run: rm -rf /opt&
+
+    - name: Check nixpkgs-stable
+      run: nix flake check -L --show-trace --override-input nixpkgs github:NixOS/nixpkgs/nixos-24.11
+