ci: improvements in scripting and testing

.forgejo/workflows/push.yaml

@@ -15,30 +15,22 @@ jobs:
   # rust code must be formatted for standardisation
   lint_fmt:
     # build it using teh base nixos system, helps with caching
-    runs-on: docker
+    runs-on: nix
     steps:
       # get the repo first
       - uses: https://code.forgejo.org/actions/checkout@v4
-      - uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          components: rustfmt
-          cache: false
-      - uses: https://github.com/actions-rust-lang/rustfmt@v1
+      - run: nix build .#fmt --verbose
 
   # clippy is incredibly useful for making yer code better
   lint_clippy:
     # build it using teh base nixos system, helps with caching
-    runs-on: docker
+    runs-on: nix
     permissions:
       checks: write
     steps:
       # get the repo first
       - uses: https://code.forgejo.org/actions/checkout@v4
-      - uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          components: clippy
-          cache: false
-      - run: cargo clippy
+      - run: nix build .#clippy --verbose
   
   build:
     # build it using teh base nixos system, helps with caching