ci: use nix devShell for ci env

Author: Cowboylaserkittenjetshark

.github/workflows/rust.yml

@@ -11,33 +11,13 @@ env:
 
 jobs:
   build:
-
-    runs-on: ubuntu-latest
-
+    runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
-
-    - name: Update Ubuntu Packages
-      run: sudo apt-get update
-
-    - uses: awalsh128/cache-apt-pkgs-action@v1
-      with:
-        packages: llvm \
-          clang \
-          libclang-dev \
-          libopencv-dev \
-          libavutil-dev \
-          libavcodec-dev \
-          libavformat-dev
-
-    - name: Install gstreamer
-      run: |
-        sudo apt update
-        sudo apt install -y aptitude
-        sudo aptitude install -y libgstreamer1.0-dev
-
-    - uses: dtolnay/rust-toolchain@stable
-    - uses: Swatinem/rust-cache@v2
-
-    - name: Run tests
-      run: cargo test --features logging,graphing --verbose
+      - uses: actions/checkout@v5
+      - uses: cachix/install-nix-action@v31
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: DeterminateSystems/magic-nix-cache-action@v13
+      - uses: Swatinem/rust-cache@v2
+      - name: Run tests
+        run: nix develop ./#noFHS --command cargo test --features logging,graphing --verbose