add non-binary caching too

.github/workflows/test.yml

@@ -70,6 +70,31 @@ jobs:
       - name: 'Tear down Docker'
         if: always()
         run: docker stop --time=0 ${CONTAINER}
+
+  nix-cache:
+    name: 'Populate Nix Cache'
+    strategy:
+      matrix:
+        runner: [normal, ARM64]
+    runs-on: ${{ matrix.runner }}
+    steps:
+      - name: 'Check out code'
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.push.head.sha }}
+          fetch-depth: 0
+
+      - name: 'Build and cache Komet'
+        uses: workflow/nix-shell-action@v3
+        env:
+          GC_DONT_GC: 1
+          CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_PUBLIC_TOKEN }}
+        with:
+          packages: jq
+          script: |
+            KOMET=$(nix build --extra-experimental-features 'nix-command flakes' .#komet --json | jq -r '.[].outputs | to_entries[].value')
+            DRV=$(nix-store --query --deriver ${KOMET})
+            nix-store --query --requisites --include-outputs ${DRV} | cachix push k-framework
     
   nix-binary-cache:
     name: 'Populate Nix Binary Cache'