POC: Bullet stream output style + additional output + error updates

.github/workflows/ci.yml

@@ -80,3 +80,45 @@ jobs:
           INTEGRATION_TEST_BUILDER: ${{ matrix.builder }}
         # Runs only tests annotated with the `ignore` attribute (which in this repo, are the integration tests).
         run: cargo test --locked -- --ignored --test-threads 16
+
+  print-guide:
+    runs-on: 'pub-hk-ubuntu-24.04-arm-medium'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install musl-tools
+        run: sudo apt-get install -y --no-install-recommends musl-tools
+      - name: Update Rust toolchain
+        run: rustup update
+      - name: Install Rust linux-musl target
+        run: rustup target add aarch64-unknown-linux-musl
+      - name: Rust Cache
+        uses: Swatinem/[email protected]
+      - name: Install Pack CLI
+        uses: buildpacks/github-actions/[email protected]
+      - name: Pull builder and run images
+        run: |
+          docker pull "heroku/builder:24"
+          docker pull "heroku/heroku:24"
+      - name: Clone getting started guide
+        uses: actions/checkout@v4
+        with:
+          repository: "heroku/go-getting-started"
+          path: tmp/guide
+      - name: Install libcnb-cargo for `cargo libcnb package` command
+        run: cargo install libcnb-cargo
+      - name: Compile buildpack
+        run: cargo libcnb package --target aarch64-unknown-linux-musl
+      - name: "PRINT: Getting started guide output"
+        run: |
+          set -euo pipefail
+
+          PACK_CMD="pack build my-image --force-color --builder heroku/builder:24 --trust-extra-buildpacks --path tmp/guide --pull-policy never "
+          PACK_CMD+=" --buildpack packaged/aarch64-unknown-linux-musl/debug/heroku_go"
+
+          echo "Running command: $PACK_CMD"
+          bash -c "$PACK_CMD"
+          echo ""
+          echo "With CACHE example"
+          echo ""
+          bash -c "$PACK_CMD"