fix ci (hopefully)

.github/workflows/ci.yaml

@@ -10,10 +10,32 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@main
+
+      # https://github.com/orgs/community/discussions/25678#discussioncomment-5242449
+      - name: Delete huge unnecessary tools folder
+        if: runner.os == 'Linux'
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+          cd /opt
+          find . -maxdepth 1 -mindepth 1 '!' -path ./containerd '!' -path ./actionarchivecache '!' -path ./runner '!' -path ./runner-cache -exec rm -rf '{}' ';'
+
+      - uses: DeterminateSystems/nix-installer-action@main
+        name: Install Nix
+        with:
+          extra-conf: |
+            trusted-public-keys = cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+            substituters = https://cache.garnix.io?priority=41 https://cache.nixos.org/
+
+
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+
       - uses: cachix/cachix-action@v12
         with:
-          name: srid
-      - name: Build 🔨
-        run: nix run github:srid/nixci build
+          name: codosseum
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+
+      - uses: yaxitech/nix-install-pkgs-action@v3
+        with:
+          packages: "github:srid/nixci"
+      - run: nixci build