nix based ci

.github/workflows/compile.yml

@@ -4,20 +4,24 @@ on:
   push:
     paths:
       - "**.sp"
+      - ".github/workflows/*"
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Compile sourcepawn
-        uses: spiretf/spcomp@v0.1
+      - uses: cachix/install-nix-action@v20
+      - uses: icewind1991/attic-action@v1
         with:
-          source: "./plugin/who.sp"
-          target: "./plugin/who.smx"
-
+          name: ci
+          instance: https://cache.icewind.me
+          authToken: "${{ secrets.ATTIC_TOKEN }}"
+      - run: nix build .#who
+      - run: cp result plugin/who.smx
       - name: Commit files
         run: |
+          git add plugin/who.smx
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
           git commit -m "Compile sourcepawn" -a