release.yml

name: "Release"

on:
  push:
    tags:
      - '[0-9]+.[0-9]+.[0-9]+*'
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to release (e.g., 0.20.0 or 0.20.0-rc1)'
        required: true

permissions:
  contents: write

jobs:
  validate:
    name: Validate release
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
      is_prerelease: ${{ steps.version.outputs.is_prerelease }}
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Determine version
      id: version
      run: |
        if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
          VERSION="${{ github.event.inputs.tag }}"
        else
          VERSION="${GITHUB_REF#refs/tags/}"
        fi
        VERSION="${VERSION#v}"
        echo "version=$VERSION" >> "$GITHUB_OUTPUT"

        if echo "$VERSION" | grep -qE '-(rc|alpha|beta)'; then
          echo "is_prerelease=true" >> "$GITHUB_OUTPUT"
        else
          echo "is_prerelease=false" >> "$GITHUB_OUTPUT"
        fi

        echo "Version: $VERSION"

    - name: Validate version consistency
      run: |
        chmod +x scripts/validate-version.sh
        scripts/validate-version.sh "${{ steps.version.outputs.version }}"

    - name: Extract release notes
      run: |
        chmod +x scripts/extract-release-notes.sh
        scripts/extract-release-notes.sh "${{ steps.version.outputs.version }}" > release-notes.md
        echo "--- Release notes ---"
        cat release-notes.md

    - name: Upload release notes
      uses: actions/upload-artifact@v4
      with:
        name: release-notes
        path: release-notes.md

  build-dist:
    name: Build distribution tarball
    runs-on: ubuntu-latest
    needs: validate
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y autoconf automake libtool libgnutls28-dev libcurl4-openssl-dev

    - name: Fetch libmicrohttpd from cache
      id: cache-libmicrohttpd
      uses: actions/cache@v4
      with:
        path: libmicrohttpd-0.9.77
        key: ubuntu-latest-gcc-libmicrohttpd-0.9.77-pre-built-v2

    - name: Build libmicrohttpd (if not cached)
      if: steps.cache-libmicrohttpd.outputs.cache-hit != 'true'
      run: |
        curl https://s3.amazonaws.com/libhttpserver/libmicrohttpd_releases/libmicrohttpd-0.9.77.tar.gz -o libmicrohttpd-0.9.77.tar.gz
        tar -xzf libmicrohttpd-0.9.77.tar.gz
        cd libmicrohttpd-0.9.77
        ./configure --disable-examples
        make

    - name: Install libmicrohttpd
      run: |
        cd libmicrohttpd-0.9.77
        sudo make install
        sudo ldconfig

    - name: Build libhttpserver
      run: |
        ./bootstrap
        mkdir build
        cd build
        ../configure
        make
        make check

    - name: Create distribution tarball
      run: |
        cd build
        make dist

    - name: Upload tarball
      uses: actions/upload-artifact@v4
      with:
        name: dist-tarball
        path: build/libhttpserver-*.tar.gz

  verify-dist-linux:
    name: Verify tarball (Linux)
    runs-on: ubuntu-latest
    needs: build-dist
    steps:
    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y libgnutls28-dev libcurl4-openssl-dev

    - name: Fetch libmicrohttpd from cache
      id: cache-libmicrohttpd
      uses: actions/cache@v4
      with:
        path: libmicrohttpd-0.9.77
        key: ubuntu-latest-gcc-libmicrohttpd-0.9.77-pre-built-v2

    - name: Build libmicrohttpd (if not cached)
      if: steps.cache-libmicrohttpd.outputs.cache-hit != 'true'
      run: |
        curl https://s3.amazonaws.com/libhttpserver/libmicrohttpd_releases/libmicrohttpd-0.9.77.tar.gz -o libmicrohttpd-0.9.77.tar.gz
        tar -xzf libmicrohttpd-0.9.77.tar.gz
        cd libmicrohttpd-0.9.77
        ./configure --disable-examples
        make

    - name: Install libmicrohttpd
      run: |
        cd libmicrohttpd-0.9.77
        sudo make install
        sudo ldconfig

    - name: Download tarball
      uses: actions/download-artifact@v4
      with:
        name: dist-tarball

    - name: Build and test from tarball
      run: |
        tar -xzf libhttpserver-*.tar.gz
        cd libhttpserver-*/
        mkdir build
        cd build
        ../configure
        make
        make check

    - name: Print test results on failure
      if: failure()
      run: |
        cd libhttpserver-*/build
        cat test/test-suite.log || true

  verify-dist-macos:
    name: Verify tarball (macOS)
    runs-on: macos-latest
    needs: build-dist
    steps:
    - name: Install build tools
      run: brew install autoconf automake libtool

    - name: Fetch libmicrohttpd from cache
      id: cache-libmicrohttpd
      uses: actions/cache@v4
      with:
        path: libmicrohttpd-0.9.77
        key: macos-latest-gcc-libmicrohttpd-0.9.77-pre-built-v2

    - name: Build libmicrohttpd (if not cached)
      if: steps.cache-libmicrohttpd.outputs.cache-hit != 'true'
      run: |
        curl https://s3.amazonaws.com/libhttpserver/libmicrohttpd_releases/libmicrohttpd-0.9.77.tar.gz -o libmicrohttpd-0.9.77.tar.gz
        tar -xzf libmicrohttpd-0.9.77.tar.gz
        cd libmicrohttpd-0.9.77
        ./configure --disable-examples
        make

    - name: Install libmicrohttpd
      run: |
        cd libmicrohttpd-0.9.77
        sudo make install

    - name: Fetch curl from cache
      id: cache-curl
      uses: actions/cache@v4
      with:
        path: curl-7.75.0
        key: macos-latest-CURL-pre-built-v2

    - name: Build curl (if not cached)
      if: steps.cache-curl.outputs.cache-hit != 'true'
      run: |
        curl https://libhttpserver.s3.amazonaws.com/travis_stuff/curl-7.75.0.tar.gz -o curl-7.75.0.tar.gz
        tar -xzf curl-7.75.0.tar.gz
        cd curl-7.75.0
        ./configure --with-darwinssl --without-ssl
        make

    - name: Install curl
      run: |
        cd curl-7.75.0
        sudo make install

    - name: Download tarball
      uses: actions/download-artifact@v4
      with:
        name: dist-tarball

    - name: Build and test from tarball
      run: |
        tar -xzf libhttpserver-*.tar.gz
        cd libhttpserver-*/
        mkdir build
        cd build
        CFLAGS='-mtune=generic' ../configure --disable-fastopen
        make
        make check

    - name: Print test results on failure
      if: failure()
      run: |
        cd libhttpserver-*/build
        cat test/test-suite.log || true

  verify-dist-windows:
    name: Verify tarball (Windows)
    runs-on: windows-latest
    needs: build-dist
    defaults:
      run:
        shell: msys2 {0}
    steps:
    - name: Setup MSYS2
      uses: msys2/setup-msys2@v2
      with:
        msystem: MINGW64
        update: true
        install: >-
          autotools
          base-devel

    - name: Install MinGW64 packages
      run: |
        pacman --noconfirm -S --needed mingw-w64-x86_64-{toolchain,libtool,make,pkg-config,libsystre,doxygen,gnutls,graphviz,curl}

    - name: Build and install libmicrohttpd
      run: |
        curl https://s3.amazonaws.com/libhttpserver/libmicrohttpd_releases/libmicrohttpd-0.9.77.tar.gz -o libmicrohttpd-0.9.77.tar.gz
        tar -xzf libmicrohttpd-0.9.77.tar.gz
        cd libmicrohttpd-0.9.77
        ./configure --disable-examples --enable-poll=no
        make
        make install

    - name: Download tarball
      uses: actions/download-artifact@v4
      with:
        name: dist-tarball

    - name: Build and test from tarball
      run: |
        tar -xzf libhttpserver-*.tar.gz
        cd libhttpserver-*/
        mkdir build
        cd build
        ../configure --disable-fastopen
        make
        make check

    - name: Print test results on failure
      if: failure()
      run: |
        cd libhttpserver-*/build
        cat test/test-suite.log || true

  release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    needs: [validate, verify-dist-linux, verify-dist-macos, verify-dist-windows]
    steps:
    - name: Download tarball
      uses: actions/download-artifact@v4
      with:
        name: dist-tarball

    - name: Download release notes
      uses: actions/download-artifact@v4
      with:
        name: release-notes

    - name: Create release
      env:
        GH_TOKEN: ${{ github.token }}
        GH_REPO: ${{ github.repository }}
      run: |
        VERSION="${{ needs.validate.outputs.version }}"
        IS_PRERELEASE="${{ needs.validate.outputs.is_prerelease }}"

        PRERELEASE_FLAG=""
        if [ "$IS_PRERELEASE" = "true" ]; then
          PRERELEASE_FLAG="--prerelease"
        fi

        gh release create "$VERSION" \
          --title "libhttpserver $VERSION" \
          --notes-file release-notes.md \
          $PRERELEASE_FLAG \
          libhttpserver-*.tar.gz