TESTING: Upload tinygo binary as artifact

Signed-off-by: Marcello Sylvester Bauer <[email protected]>

.github/workflows/nix.yml

@@ -12,6 +12,12 @@ jobs:
   nix-test:
     runs-on: ubuntu-latest
     steps:
+      - name: list packages
+        run: |
+          apt list --installed
+      - name: uninstall system llvm
+        run: |
+          sudo apt remove llvm-16 llvm-17 llvm-18 -y
       - name: Checkout
         uses: actions/checkout@v4
       - name: Pull musl
@@ -34,7 +40,22 @@ jobs:
           key: ${{ steps.cache-llvm-source.outputs.cache-primary-key }}
           path: |
             llvm-project/compiler-rt
-      - uses: cachix/install-nix-action@v22
+      - name: find and print Targets.def
+        run: |
+          find /usr/include/ -name Targets.def -exec sh -c 'echo {}; cat {}' \ || true;
+      - uses: cachix/install-nix-action@v30
+        with:
+          install_url: https://releases.nixos.org/nix/nix-2.24.7/install
+      - name: Nix version
+        run: |
+          nix --version
+      - name: Build
+        run: |
+          nix develop --ignore-environment --keep HOME --command bash -c "go install"
+      - uses: actions/upload-artifact@v4
+        with:
+          name: upload
+          path: "/home/runner/go/bin/tinygo"
       - name: Test
         run: |
-          nix develop --ignore-environment --keep HOME --command bash -c "go install && ~/go/bin/tinygo version && ~/go/bin/tinygo build -o test ./testdata/cgo"
+          nix develop --ignore-environment --keep HOME --command bash -c "~/go/bin/tinygo version && ~/go/bin/tinygo build -o test ./testdata/cgo"