test run_conda_forge_build_setup on GitHub Actions

.github/workflows/PR-arm.yml

@@ -0,0 +1,88 @@
+name: PR (osx-arm64)
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+concurrency:
+  group: build-${{ github.event.pull_request.number || github.head_ref }}
+  cancel-in-progress: true
+jobs:
+  build_and_test-osx-arm64:
+    name: Build and Test OSX-ARM64
+    runs-on: macOS-14 # M1
+    strategy:
+      fail-fast: true
+      max-parallel: 13
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      # bail if there's no osx-arm64 recipes
+      - name: Check for Additional Platforms
+        id: additional_platforms
+        run: |
+          result=$(./scripts/check-for-additional-platforms.sh "origin/master...HEAD" "build_and_test" "${GITHUB_JOB}")
+          if [[ ${result} != "build" ]]
+          then
+              echo "No recipes using this platform, skipping rest of job."
+              echo "skip_build=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: set path
+        run: echo "/opt/mambaforge/bin" >> $GITHUB_PATH
+
+      - name: Fetch conda install script
+        if: steps.additional_platforms.outputs.skip_build != 'true'
+        run: |
+          wget https://raw.githubusercontent.com/bioconda/bioconda-common/master/{install-and-set-up-conda,configure-conda,common}.sh
+
+      - name: Set up bioconda-utils
+        if: steps.additional_platforms.outputs.skip_build != 'true'
+        run: bash install-and-set-up-conda.sh
+
+      - name: Configure conda
+        if: steps.additional_platforms.outputs.skip_build != 'true'
+        run: bash configure-conda.sh
+
+      - name: Build and Test
+        if: steps.additional_platforms.outputs.skip_build != 'true'
+        env:
+          # Mimic circleci
+          OSTYPE: "darwin"
+          CI: "true"
+        run: |
+          set -e
+          eval "$(conda shell.bash hook)"
+          conda activate bioconda
+          source common.sh
+
+          run_conda_forge_build_setup
+
+          if [ -z "$GITHUB_BASE_REF" ] ; then
+              export GITHUB_BASE_REF="master"
+          fi
+          git fetch origin "$GITHUB_BASE_REF"
+
+          bioconda-utils build recipes config.yml \
+            --lint --git-range origin/"$GITHUB_BASE_REF" HEAD
+
+      - name: Prepare artifacts
+        if: steps.additional_platforms.outputs.skip_build != 'true'
+        run: |
+              (
+              rm -rf /tmp/artifacts
+              mkdir -p /tmp/artifacts/packages
+              cd /opt/mambaforge/envs/bioconda/conda-bld || exit 0
+              find -name .cache | xargs rm -rf || true
+              for n in index.html channeldata.json osx-arm64 noarch; do
+                cp -rv $n /tmp/artifacts/packages || true
+              done
+              ) || true
+
+      - name: Archive packages
+        if: steps.additional_platforms.outputs.skip_build != 'true'
+        uses: actions/upload-artifact@v4
+        with:
+          name: osx-arm64-packages
+          path: |
+            /tmp/artifacts