release.yml

name: Release

on:
  push:
    branches: [master]
    paths:
      - 'CMakeLists.txt'
  workflow_dispatch:
    inputs:
      version:
        description: 'Release version (e.g. 0.9.0). Leave empty to read from CMakeLists.txt.'
        required: false
        type: string
        default: ''

permissions:
  contents: write

jobs:

  # ── Version gate ───────────────────────────────────────────────
  version-check:
    runs-on: ubuntu-latest
    outputs:
      should_release: ${{ steps.check.outputs.should_release }}
      version: ${{ steps.check.outputs.version }}
    steps:
    - name: '🧰 Checkout'
      uses: actions/checkout@v6
      with:
        fetch-depth: 0

    - name: '🔍 Check version bump and changelog'
      id: check
      run: |
        MANUAL_VERSION="${{ inputs.version }}"
        EVENT_NAME="${{ github.event_name }}"

        # Extract version from HEAD CMakeLists.txt
        NEW_VERSION=$(grep -oP 'project\(AeonGUI VERSION \K[0-9]+\.[0-9]+\.[0-9]+' CMakeLists.txt)
        if [[ -z "$NEW_VERSION" ]]; then
          echo "::error::Could not parse version from CMakeLists.txt"
          exit 1
        fi

        if [[ -n "$MANUAL_VERSION" ]]; then
          # Manual dispatch with explicit version
          NEW_VERSION="$MANUAL_VERSION"
          echo "Manual dispatch with version: $NEW_VERSION"
        elif [[ "$EVENT_NAME" == "workflow_dispatch" ]]; then
          # Manual dispatch without version: use CMakeLists.txt version,
          # skip commit comparison—tag existence check below is sufficient
          echo "Manual dispatch using CMakeLists.txt version: $NEW_VERSION"
        else
          # Push trigger: compare HEAD vs previous commit
          BEFORE="${{ github.event.before }}"
          OLD_VERSION=$(git show "${BEFORE}:CMakeLists.txt" 2>/dev/null \
            | grep -oP 'project\(AeonGUI VERSION \K[0-9]+\.[0-9]+\.[0-9]+' || echo "0.0.0")
          echo "Previous commit version: $OLD_VERSION"
          echo "Current commit version:  $NEW_VERSION"

          # If version unchanged in this push, skip silently
          if [[ "$NEW_VERSION" == "$OLD_VERSION" ]]; then
            echo "Version unchanged ($NEW_VERSION), skipping release"
            echo "should_release=false" >> "$GITHUB_OUTPUT"
            echo "version=$NEW_VERSION" >> "$GITHUB_OUTPUT"
            exit 0
          fi

          # Fail if the new version is lower than the previous
          HIGHER=$(printf '%s\n%s' "$OLD_VERSION" "$NEW_VERSION" | sort -V | tail -1)
          if [[ "$HIGHER" == "$OLD_VERSION" ]]; then
            echo "::error::Version $NEW_VERSION is lower than previous $OLD_VERSION"
            exit 1
          fi

          # Fail if CHANGELOG.md was not modified in this push
          if ! git diff --name-only "${BEFORE}" "${{ github.sha }}" | grep -q '^CHANGELOG.md$'; then
            echo "::error::Version bumped to $NEW_VERSION but CHANGELOG.md was not updated"
            exit 1
          fi
        fi

        # Also verify against the latest release tag (catches manual dispatch regressions)
        LATEST_TAG=$(git tag -l 'v*' --sort=-version:refname | head -n1 || true)
        if [[ -n "$LATEST_TAG" ]]; then
          TAG_VERSION="${LATEST_TAG#v}"
          if [[ "$NEW_VERSION" == "$TAG_VERSION" && "$EVENT_NAME" != "workflow_dispatch" ]]; then
            echo "Version $NEW_VERSION already released as $LATEST_TAG, skipping"
            echo "should_release=false" >> "$GITHUB_OUTPUT"
            echo "version=$NEW_VERSION" >> "$GITHUB_OUTPUT"
            exit 0
          fi
          HIGHER=$(printf '%s\n%s' "$TAG_VERSION" "$NEW_VERSION" | sort -V | tail -1)
          if [[ "$HIGHER" == "$TAG_VERSION" && "$NEW_VERSION" != "$TAG_VERSION" ]]; then
            echo "::error::Version $NEW_VERSION is lower than existing release $TAG_VERSION"
            exit 1
          fi
        fi

        echo "should_release=true" >> "$GITHUB_OUTPUT"
        echo "version=$NEW_VERSION" >> "$GITHUB_OUTPUT"

  # ── Create tag and GitHub release ──────────────────────────────
  create-release:
    needs: version-check
    if: needs.version-check.outputs.should_release == 'true'
    runs-on: ubuntu-latest
    steps:
    - name: '🧰 Checkout'
      uses: actions/checkout@v6
      with:
        fetch-depth: 0

    - name: '🏷️ Create tag'
      run: |
        git config user.name  "github-actions[bot]"
        git config user.email "github-actions[bot]@users.noreply.github.com"
        TAG="v${{ needs.version-check.outputs.version }}"
        if git rev-parse "$TAG" >/dev/null 2>&1; then
          echo "Tag $TAG already exists, skipping"
        else
          git tag -a "$TAG" -m "Release $TAG"
          git push origin "$TAG"
        fi

    - name: '📦 Create GitHub Release'
      uses: softprops/action-gh-release@v2
      with:
        tag_name: v${{ needs.version-check.outputs.version }}
        name: AeonGUI v${{ needs.version-check.outputs.version }}
        generate_release_notes: true
        draft: false
        prerelease: false

  # ── Arch package + all build scripts (Ubuntu) ──────────────────
  arch-and-scripts:
    needs: [version-check, create-release]
    if: needs.version-check.outputs.should_release == 'true'
    runs-on: ubuntu-latest
    container: archlinux:base-devel
    steps:
    - name: '🧰 Checkout'
      uses: actions/checkout@v6
      with:
        ref: v${{ needs.version-check.outputs.version }}

    - name: '📦 Install dependencies'
      run: |
        pacman -Syu --noconfirm
        pacman -S --noconfirm cmake make gcc flex bison pkgconf \
          cairo pango fontconfig freetype2 harfbuzz libxml2 zlib libpng libjpeg-turbo \
          mesa libx11 python \
          git curl

    # ── Generate all packaging scripts (no build deps needed) ──
    - name: '📝 Generate packaging scripts'
      run: cmake -B scripts-build -DBUILD_SCRIPTS_ONLY=ON

    # ── Arch binary package ──
    - name: '🛠️ Prepare Arch PKGBUILD'
      run: cp scripts-build/PKGBUILD-arch PKGBUILD

    - name: '📦 Build Arch package'
      run: |
        useradd -m builder
        echo 'builder ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/builder
        chown -R builder: .
        su builder -c "makepkg -s --noconfirm --skippgpcheck"

    # ── Package build scripts ──
    - name: '📦 Package Arch PKGBUILD'
      run: tar -czf PKGBUILD-arch-${{ needs.version-check.outputs.version }}.tar.gz PKGBUILD

    - name: '📦 Package MSYS2 PKGBUILD'
      run: |
        cp scripts-build/PKGBUILD-msys2 PKGBUILD-msys2
        tar -czf PKGBUILD-msys2-${{ needs.version-check.outputs.version }}.tar.gz PKGBUILD-msys2

    # ── Homebrew formula with sha256 ──
    - name: '🔑 Compute source tarball sha256'
      id: hashes
      run: |
        curl -sL "https://github.com/AeonGames/AeonGUI/archive/v${{ needs.version-check.outputs.version }}.tar.gz" -o source.tar.gz
        echo "sha256=$(sha256sum source.tar.gz | awk '{print $1}')" >> "$GITHUB_OUTPUT"

    - name: '📦 Package Homebrew formula'
      run: |
        sed -i 's/sha256 ""/sha256 "${{ steps.hashes.outputs.sha256 }}"/' scripts-build/aeongui.rb
        tar -czf aeongui-brew-${{ needs.version-check.outputs.version }}.tar.gz -C scripts-build aeongui.rb

    # ── vcpkg port ──
    - name: '📦 Create vcpkg port archive'
      run: |
        tar -czf "aeongui-vcpkg-port-${{ needs.version-check.outputs.version }}.tar.gz" -C scripts-build/vcpkg-port .

    # ── Upload everything ──
    - name: '📤 Upload release assets'
      uses: softprops/action-gh-release@v2
      with:
        tag_name: v${{ needs.version-check.outputs.version }}
        files: |
          *.pkg.tar.zst
          PKGBUILD-arch-${{ needs.version-check.outputs.version }}.tar.gz
          PKGBUILD-msys2-${{ needs.version-check.outputs.version }}.tar.gz
          aeongui-brew-${{ needs.version-check.outputs.version }}.tar.gz
          aeongui-vcpkg-port-${{ needs.version-check.outputs.version }}.tar.gz

  # ── MSYS2 packages (mingw64, ucrt64, clang64 — Cairo) ─────────
  msys2-package:
    needs: [version-check, create-release]
    if: needs.version-check.outputs.should_release == 'true'
    runs-on: windows-latest
    strategy:
      fail-fast: false
      matrix:
        sys: [mingw64, ucrt64, clang64]
        include:
          - { sys: mingw64, icon: '🟦' }
          - { sys: ucrt64,  icon: '🟨' }
          - { sys: clang64, icon: '🟧' }
    name: 📦${{ matrix.icon }} MSYS2 ${{ matrix.sys }}
    defaults:
      run:
        shell: msys2 {0}
    steps:
    - name: '🧰 Checkout'
      uses: actions/checkout@v6
      with:
        ref: v${{ needs.version-check.outputs.version }}

    - name: '${{ matrix.icon }} Setup MSYS2'
      uses: msys2/setup-msys2@v2
      with:
        msystem: ${{ matrix.sys }}
        update: true
        install: >-
          git
          make
          flex
          bison
        pacboy: >-
          toolchain:p
          cmake:p
          make:p

    - name: '🛠️ Configure to generate PKGBUILD'
      run: |
        cmake -G "MSYS Makefiles" -B build -DBUILD_SCRIPTS_ONLY=ON
        cp build/PKGBUILD-msys2 PKGBUILD

    - name: '📦 Build package'
      env:
        MINGW_ARCH: ${{ matrix.sys }}
      run: makepkg-mingw -s --noconfirm --skippgpcheck

    - name: '📤 Upload MSYS2 package'
      uses: softprops/action-gh-release@v2
      with:
        tag_name: v${{ needs.version-check.outputs.version }}
        files: '*.pkg.tar.zst'