name: Release (pyosys wheels)

on:
  push:
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build-linux-wheel:
    runs-on: ubuntu-latest
    name: Build Linux amd64 wheel (musl)

    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
          submodules: recursive
          persist-credentials: false
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}

      - name: Cache Dist Directory
        uses: actions/cache@v6
        with:
          path: dist-x86_64-musllinux
          key: ${{ github.run_id }}-x86_64-musllinux-wheel
          enableCrossOsArchive: true

      - name: Build wheel in Alpine container
        run: |
          docker run --rm \
            -v "${{ github.workspace }}:/src" \
            -w /src \
            --platform linux/amd64 \
            alpine:3.20 sh -c '
              set -ex
              apk add --no-cache \
                build-base bison flex flex-dev gperf \
                tcl-dev zlib-dev libffi-dev \
                libdwarf-dev elfutils-dev \
                python3 python3-dev py3-pip py3-setuptools py3-wheel \
                git pkgconf cmake

              git config --global --add safe.directory /src
              git submodule foreach --recursive git config --global --add safe.directory \$toplevel/\$sm_path

              # Alpine/musl compatibility shims for Verific tclmain link step
              ln -sf /usr/lib/libtcl8.6.so /usr/lib/libtcl.so
              echo "void dummy_nsl(void){}" | gcc -shared -o /usr/lib/libnsl.so -x c -

              # Build Verific TCL main (needed before Yosys)
              cd /src/verific/tclmain
              make
              cd /src

              # Build the wheel via setup.py
              pip install --break-system-packages pybind11 cxxheaderparser
              mkdir -p /src/dist-x86_64-musllinux
              python3 -m pip wheel . --wheel-dir /src/dist-x86_64-musllinux
            '

  build-manylinux-wheel:
    runs-on: ubuntu-latest
    name: Build Linux amd64 wheel (manylinux2014, glibc 2.17+)

    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
          submodules: recursive
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}

      - name: Cache Dist Directory
        uses: actions/cache@v6
        with:
          path: dist-x86_64-manylinux
          key: ${{ github.run_id }}-x86_64-manylinux-wheel
          enableCrossOsArchive: true

      - name: Build wheel in manylinux2014 container
        run: |
          docker run --rm \
            -v "${{ github.workspace }}:/src" \
            -w /src \
            --platform linux/amd64 \
            quay.io/pypa/manylinux2014_x86_64 bash -c '
              set -ex

              yum install -y tcl-devel zlib-devel libffi-devel \
                devtoolset-11 gperf patchelf \
                elfutils-devel elfutils-libelf-devel libdwarf-devel

              source /opt/rh/devtoolset-11/enable

              # Build bison >= 3.x from source (CentOS 7 ships an old version)
              curl -L https://ftp.gnu.org/gnu/bison/bison-3.8.2.tar.gz | tar -xzC /tmp
              cd /tmp/bison-3.8.2 && ./configure && make -j$(nproc) && make install
              cd /src

              # Build flex >= 2.6 from source (CentOS 7 ships 2.5.37, Yosys needs >= 2.6)
              curl -L https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz | tar -xzC /tmp
              cd /tmp/flex-2.6.4 && ./configure && make -j$(nproc) && make install
              cd /src

              # Use the manylinux2014 Python 3.13
              export PATH=/opt/python/cp313-cp313/bin:$PATH

              git config --global --add safe.directory /src
              git submodule foreach --recursive git config --global --add safe.directory \$toplevel/\$sm_path

              # musl/manylinux compatibility shim for Verific tclmain link step
              echo "void dummy_nsl(void){}" | gcc -shared -o /usr/lib64/libnsl.so -x c - || true

              # Build Verific TCL main
              cd /src/verific/tclmain
              make
              cd /src

              WHEEL_DIR=/src/dist-x86_64-manylinux
              pip3 install --upgrade pip setuptools wheel pybind11 cxxheaderparser
              mkdir -p dist-manylinux
              python3 -m pip wheel . --wheel-dir $WHEEL_DIR

              # Tag wheel as manylinux2014
              pip3 install auditwheel || true
              for whl in $WHEEL_DIR/*.whl; do
                auditwheel repair "$whl" --plat manylinux2014_x86_64 -w $WHEEL_DIR/ 2>/dev/null || true
              done
            '

  build-macos-wheel:
    runs-on: macos-15
    name: Build macOS arm64 wheel

    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
          submodules: recursive
          persist-credentials: false
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}

      - uses: actions/setup-python@v5
        with:
          python-version: '3.13'

      - name: Install dependencies
        run: |
          brew install bison flex gperf tcl-tk@8 libffi dwarfutils libelf ccache llvm
          echo "$(brew --prefix llvm)/bin" >> $GITHUB_PATH
          pip3 install pybind11 cxxheaderparser setuptools wheel

      - name: Build Verific tclmain
        run: |
          export PATH="$(brew --prefix bison)/bin:$(brew --prefix flex)/bin:$PATH"
          export MACOSX_DEPLOYMENT_TARGET=11.0
          cd verific/tclmain
          make

      - name: Cache Dist Directory
        uses: actions/cache@v6
        with:
          path: dist-aarch64-macos
          key: ${{ github.run_id }}-aarch64-macos-wheel
          enableCrossOsArchive: true

      - name: Build wheel
        run: |
          export PATH="$(brew --prefix bison)/bin:$(brew --prefix flex)/bin:$PATH"
          export MACOSX_DEPLOYMENT_TARGET=11.0
          mkdir -p dist
          python3 -m pip wheel . --wheel-dir dist-aarch64-macos

  release:
    # allow testing outside main branch
    # if: github.ref_name == 'main'
    runs-on: ubuntu-latest
    needs: [build-linux-wheel, build-manylinux-wheel, build-macos-wheel]
    name: Create GitHub releases

    steps:
      - uses: actions/checkout@v6
        with:
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}
          fetch-depth: 0
      - id: meta
        name: Get repo metadata and clean up
        run: |
          SHORT_SHA=$(git rev-parse --short HEAD)
          FULL_SHA=$(git rev-parse HEAD)
          DATE=$(date -u +%Y-%m-%d)
          REPO_URL="${{ github.server_url }}/${{ github.repository }}"
          echo "short_sha=$SHORT_SHA" >> "$GITHUB_OUTPUT"
          echo "full_sha=$FULL_SHA" >> "$GITHUB_OUTPUT"
          echo "date=$DATE" >> "$GITHUB_OUTPUT"
          echo "repo_url=$REPO_URL" >> "$GITHUB_OUTPUT"
          rm -rf ./* ./.*
      - uses: actions/checkout@v6
        with:
          repository: silimate/yosys-wheels
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}
          fetch-depth: 0
      - name: Restore dist from cache (x86_64-musllinux)
        uses: actions/cache@v6
        with:
          path: dist-x86_64-musllinux
          key: ${{ github.run_id }}-x86_64-musllinux-wheel
          enableCrossOsArchive: true
          fail-on-cache-miss: true
      - name: Restore dist from cache (x86_64-manylinux)
        uses: actions/cache@v6
        with:
          path: dist-x86_64-manylinux
          key: ${{ github.run_id }}-x86_64-manylinux-wheel
          enableCrossOsArchive: true
          fail-on-cache-miss: true
      - name: Restore dist from cache (aarch64-macos)
        uses: actions/cache@v6
        with:
          path: dist-aarch64-macos
          key: ${{ github.run_id }}-aarch64-macos-wheel
          enableCrossOsArchive: true
          fail-on-cache-miss: true
      - name: Update release notes
        run: |
          printf '%s\n' \
            "Automated build from \`main\` @ [\`${{ steps.meta.outputs.short_sha }}\`](${{ steps.meta.outputs.repo_url }}/commit/${{ steps.meta.outputs.full_sha }})" \
            "" \
            "**Built:** ${{ steps.meta.outputs.date }}" \
            "" \
            "### Assets" \
            "| File | Platform |" \
            "|------|----------|" \
            "| \`pyosys-*-linux_x86_64.whl\` | Linux x86-64 (musl) |" \
            "| \`pyosys-*-manylinux2014*.whl\` | Linux x86-64 (manylinux2014, glibc 2.17+) |" \
            "| \`pyosys-*-macosx_*_arm64.whl\` | macOS Apple Silicon |" \
            "" \
            "### Installation" \
            "\`\`\`bash" \
            "pip install pyosys-*.whl" \
            "\`\`\`" \
            > release_notes.md
      - name: Commit and push
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git commit --all --message="Build for ${{ steps.meta.outputs.date }}-${{ steps.meta.outputs.short_sha }}"
          git push
      - name: Create permanent release
        run: |
          TAG="build-${{ steps.meta.outputs.date }}-${{ steps.meta.outputs.short_sha }}"
          gh release create "$TAG" \
            dist-*/*.whl \
            --target "$(git rev-parse HEAD)" \
            --title "Build ${{ steps.meta.outputs.date }} (${{ steps.meta.outputs.short_sha }})" \
            --notes-file release_notes.md
        env:
          GH_TOKEN: ${{ secrets.YOSYS_WHEELS_TOKEN }}

      - name: Update latest release
        run: |
          git tag -f latest HEAD
          git push -f origin latest
          gh release delete latest --yes 2>/dev/null || true
          gh release create latest \
            dist-*/*.whl \
            --target "$(git rev-parse HEAD)" \
            --title "Latest Build (${{ steps.meta.outputs.date }})" \
            --notes-file release_notes.md \
            --prerelease
        env:
          GH_TOKEN: ${{ secrets.YOSYS_WHEELS_TOKEN }}