Attempt CI

.github/workflows/build-replace-npm-dependencies-sources.yml

@@ -0,0 +1,35 @@
+name: "build-replace-npm-dependencies-sources"
+on:
+  # Trigger the workflow on push or pull request,
+  # but only for the main branch
+  push: 
+    branches: [ main ]
+
+jobs:
+  build-and-cache:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install nix
+        uses: cachix/install-nix-action@v18
+        with:
+          install_url: https://releases.nixos.org/nix/nix-2.12.0/install
+          extra_nix_config: |
+            experimental-features = flakes nix-command
+
+      - uses: cachix/cachix-action@v10
+        with:
+          name: holochain-ci
+
+      - name: Build zomes
+        env:
+          CACHIX_AUTH_TOKEN: "${{ secrets.CACHIX_TOKEN_HOLOCHAIN_OPEN_DEV }}"
+        run: |
+          nix build -L .#replace-npm-dependencies-sources | cachix push holochain-open-dev
+          cachix pin holochain-open-dev replace-npm-dependencies-sources $(nix path-info .#replace-npm-dependencies-sources)