add github workflow to build recipes.yaml recipes with rattler-build

.github/workflows/rattler-build.yml

@@ -0,0 +1,75 @@
+on:
+  pull_request: 
+    branches: main
+    paths: 
+      - recipes/*/recipe.yaml
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Build (${{ matrix.target }})
+    runs-on: ${{ matrix.host }}
+    strategy: 
+      matrix:
+        include:
+          - { target: win-64, host: windows-latest }
+          - { target: linux-64, host: ubuntu-latest }
+          - { target: osx-64, host: macos-latest }
+
+    steps:
+      - name: Generate rattler-build URL
+        shell: bash
+        id: url
+        run: |
+          arch=$(uname -m)
+          if [ "$arch" = "arm64" ]; then
+            arch="aarch64"
+          fi
+          platform=${{ runner.os == 'macOS' && 'apple-darwin' || '' }}${{ runner.os == 'Linux' && 'unknown-linux-musl' || '' }}${{ runner.os == 'Windows' && 'pc-windows-msvc' || '' }}
+          url="https://github.com/prefix-dev/rattler-build/releases/latest/download/rattler-build-$arch-$platform${{ runner.os == 'Windows' && '.exe' || '' }}"
+          echo "url=$url" >> $GITHUB_OUTPUT
+      - name: Install rattler-build (Unix)
+        shell: bash
+        if: ${{ runner.os != 'Windows' }}
+        run: |
+          mkdir -p ${{ runner.temp }}/rattler-build
+          curl -Ls \
+            ${{ steps.url.outputs.url }} \
+            -o ${{ runner.temp }}/rattler-build/rattler-build
+          chmod +x ${{ runner.temp }}/rattler-build/rattler-build
+          echo ${{ runner.temp }}/rattler-build >> $GITHUB_PATH
+      - name: Install rattler-build (Windows)
+        shell: powershell
+        if: ${{ runner.os == 'Windows' }}
+        run: |
+          New-Item -ItemType Directory -Path "${{ runner.temp }}\rattler-build" -Force
+          Invoke-WebRequest -Uri "${{ steps.url.outputs.url }}" -OutFile "${{ runner.temp }}\rattler-build\rattler-build.exe"
+          Add-Content -Path $env:GITHUB_PATH -Value "${{ runner.temp }}\rattler-build"
+      - name: Build conda package (non-Windows)
+        shell: bash
+        if: ${{ runner.os != 'Windows' }}
+        run: |
+          rattler-build build --recipe-dir recipes
+        env:
+          RATTLER_BUILD_ENABLE_GITHUB_INTEGRATION: 'true'
+          RATTLER_BUILD_COLOR: 'always'
+      - name: Build conda package (Windows)
+        shell: powershell
+        if: ${{ runner.os == 'Windows' }}
+        run: |
+          rattler-build build --recipe-dir recipes
+        env:
+          RATTLER_BUILD_ENABLE_GITHUB_INTEGRATION: 'true'
+          RATTLER_BUILD_COLOR: 'always'
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        # if: ${{ inputs.upload-artifact == 'true' }}
+        with:
+          name: ${{ matrix.target }}
+          path: |
+            output/**/*.tar.bz2
+            output/**/*.conda
+