release.yml

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: read

env:
  CARGO_TERM_COLOR: always
  PLUGIN_NAME: mysql_samp

jobs:
  build-release:
    runs-on: ubuntu-latest
    # Needs write access to create the release and upload .so/.dll/.inc.
    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0   # full history so the generate-notes API can list every commit

      - name: Verify Cargo.toml version matches release tag
        run: |
          TAG_VERSION="${GITHUB_REF_NAME#v}"
          CARGO_VERSION="$(grep -m1 '^version' Cargo.toml | sed 's/.*= *"\(.*\)"/\1/')"
          echo "Release tag:  ${GITHUB_REF_NAME} (version=${TAG_VERSION})"
          echo "Cargo.toml:   ${CARGO_VERSION}"
          if [ "${TAG_VERSION}" != "${CARGO_VERSION}" ]; then
            echo "::error::Release tag (${GITHUB_REF_NAME}) does not match Cargo.toml version (${CARGO_VERSION})."
            echo "::error::Bump Cargo.toml to ${TAG_VERSION} (or retag) and try again."
            exit 1
          fi

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: i686-unknown-linux-gnu,i686-pc-windows-msvc

      - name: Install cross-compilation tools
        run: |
          sudo apt-get update
          sudo apt-get install -y gcc-multilib g++-multilib clang llvm

      - name: Install cargo-xwin
        run: cargo install cargo-xwin --locked

      - name: Cache cargo
        uses: actions/cache@v5
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            ~/.cache/cargo-xwin
            target
          key: ${{ runner.os }}-cargo-release-${{ hashFiles('**/Cargo.lock') }}

      - name: Build Linux (i686, SA-MP + native OMP)
        run: cargo build --release --target i686-unknown-linux-gnu

      - name: Build Windows (i686 MSVC, SA-MP + native OMP)
        run: cargo xwin build --xwin-arch x86 --release --target i686-pc-windows-msvc

      - name: Stage release artifacts
        run: |
          mkdir -p dist
          cp "target/i686-unknown-linux-gnu/release/lib${PLUGIN_NAME}.so" "dist/${PLUGIN_NAME}.so"
          cp "target/i686-pc-windows-msvc/release/${PLUGIN_NAME}.dll"     "dist/${PLUGIN_NAME}.dll"
          cp "include/${PLUGIN_NAME}.inc"                                 "dist/${PLUGIN_NAME}.inc"

      - name: Build release body
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG="${GITHUB_REF_NAME}"
          VERSION="${TAG#v}"

          # 1. Curated section from CHANGELOG.md — headlines, migration notes,
          # breaking changes. Everything that humans wrote and the API cannot
          # infer from PR titles alone.
          BODY=$(awk "/^## \[?v?${VERSION}\]?/{found=1; next} found && /^## /{exit} found{print}" CHANGELOG.md)
          if [ -z "$BODY" ]; then
            BODY="See [CHANGELOG.md](CHANGELOG.md) for details."
          fi

          # 2. Auto-generated notes — used only to borrow the "New Contributors"
          # block and the "Full Changelog" comparison link that GitHub computes
          # natively. The "## What's Changed" categorisation produced here is
          # dropped on purpose; the CHANGELOG already does that job with more
          # context.
          AUTO=$(gh api -X POST "repos/${GITHUB_REPOSITORY}/releases/generate-notes" \
            -f tag_name="$TAG" \
            -q .body 2>/dev/null || echo "")

          # Everything from "## New Contributors" onwards already includes the
          # "Full Changelog" link as its last line. Fall back to just the link
          # if no first-time contributors were detected.
          APPENDIX=$(echo "$AUTO" | sed -n '/^## New Contributors$/,$p')
          if [ -z "$APPENDIX" ]; then
            APPENDIX=$(echo "$AUTO" | grep '^\*\*Full Changelog\*\*' | tail -1)
          fi

          # 3. Artifact orientation footer — what each downloadable file is,
          # plus a pointer to the installation docs. Kept at the bottom so it
          # doesn't push the actual release notes below the fold.
          FOOTER=$(cat <<EOF
          ### Artifacts

          - \`${PLUGIN_NAME}.so\` — Linux i686 (\`i686-unknown-linux-gnu\`).
          - \`${PLUGIN_NAME}.dll\` — Windows i686 (\`i686-pc-windows-msvc\`).
          - \`${PLUGIN_NAME}.inc\` — Pawn include, identical file for SA-MP and Open Multiplayer.

          The same \`.so\` / \`.dll\` runs on SA-MP and on Open Multiplayer (native component or legacy). Installation paths: see [\`docs/installation.md\`](https://github.com/${GITHUB_REPOSITORY}/blob/master/docs/installation.md).
          EOF
          )

          {
            echo "$BODY"
            if [ -n "$APPENDIX" ]; then
              echo ""
              echo "---"
              echo ""
              echo "$APPENDIX"
            fi
            echo ""
            echo "---"
            echo ""
            echo "$FOOTER"
          } > release_body.md

          cat release_body.md

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v3
        with:
          name: ${{ github.ref_name }}
          body_path: release_body.md
          files: |
            dist/${{ env.PLUGIN_NAME }}.so
            dist/${{ env.PLUGIN_NAME }}.dll
            dist/${{ env.PLUGIN_NAME }}.inc
          draft: false
          prerelease: false