release.yml

name: release

on:
  push:
    tags:
      - "*"

  workflow_dispatch:
    inputs:
      release_tag:
        description: "Existing tag to release manually, example: v1.0.0"
        required: true
        type: string
      draft:
        description: "Create release as draft"
        required: true
        default: true
        type: boolean
      prerelease:
        description: "Mark release as prerelease"
        required: true
        default: false
        type: boolean

concurrency:
  group: release-${{ github.ref }}-${{ inputs.release_tag || '' }}
  cancel-in-progress: false

jobs:
  release:
    name: Build and publish release
    runs-on: ubuntu-24.04

    permissions:
      contents: write

    env:
      CACHE_MODE: folder
      CACHE_FOLDER: ${{ github.workspace }}/gh-cache

      CCACHE_DIR: ${{ github.workspace }}/.ccache
      CCACHE_BASEDIR: ${{ github.workspace }}
      CCACHE_MAXSIZE: 5G
      CCACHE_COMPRESS: "true"
      CCACHE_NOHASHDIR: "true"
      CCACHE_DISABLE: "true"

      GRADLE_OPTS: >-
        -Xmx4G
        -Dorg.gradle.daemon=false
        -Dorg.gradle.caching=true
        -Dorg.gradle.parallel=true
        -Dorg.gradle.configureondemand=true

    steps:
      - name: Resolve release tag
        id: resolve_tag
        run: |
          set -euo pipefail

          if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
            VERSION_TAG="${GITHUB_REF#refs/tags/}"
          else
            VERSION_TAG="${{ inputs.release_tag }}"
          fi

          if [[ -z "$VERSION_TAG" ]]; then
            echo "Release tag is empty."
            exit 1
          fi

          echo "VERSION_TAG=$VERSION_TAG" >> "$GITHUB_ENV"
          echo "version_tag=$VERSION_TAG" >> "$GITHUB_OUTPUT"

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ steps.resolve_tag.outputs.version_tag }}

      - name: Verify release tag exists
        run: |
          set -euo pipefail

          git fetch --force --tags

          if ! git rev-parse "$VERSION_TAG" >/dev/null 2>&1; then
            echo "Tag '$VERSION_TAG' does not exist."
            echo "Create it first:"
            echo "git tag $VERSION_TAG"
            echo "git push origin $VERSION_TAG"
            exit 1
          fi

          echo "Using release tag: $VERSION_TAG"

      - name: Setup Java 17
        uses: actions/setup-java@v4
        with:
          java-version: "17"
          distribution: temurin
          cache: gradle

      - name: Setup Python 3.12
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Export CI environment variables
        run: |
          buildscripts/include/ci.sh export >> "$GITHUB_ENV"

      - name: Restore Android SDK cache
        id: android-sdk-cache
        uses: actions/cache/restore@v4
        with:
          path: buildscripts/sdk/
          key: android-sdk-${{ runner.os }}-${{ hashFiles('buildscripts/include/depinfo.sh', 'buildscripts/include/download-sdk.sh') }}
          restore-keys: |
            android-sdk-${{ runner.os }}-

      - name: Restore native prefix cache
        id: native-prefix-cache
        uses: actions/cache/restore@v4
        with:
          path: gh-cache/
          key: native-prefix-${{ runner.os }}-${{ env.CACHE_IDENTIFIER }}
          restore-keys: |
            native-prefix-${{ runner.os }}-

      - name: Restore ccache
        id: ccache-cache
        uses: actions/cache/restore@v4
        with:
          path: .ccache/
          key: ccache-${{ runner.os }}-${{ github.ref_name }}-${{ github.sha }}
          restore-keys: |
            ccache-${{ runner.os }}-${{ github.ref_name }}-
            ccache-${{ runner.os }}-

      - name: Install system dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            autoconf \
            automake \
            build-essential \
            ccache \
            cmake \
            gcc g++ \
            gettext \
            gperf \
            libtool \
            nasm \
            ninja-build \
            pkg-config \
            python3 \
            python3-pip \
            unzip \
            wget

      - name: Install Python build dependencies
        run: |
          python3 -m pip install --upgrade pip
          python3 -m pip install --upgrade meson jinja2 jsonschema

      - name: Download and extract source dependencies
        run: |
          set -euxo pipefail
          cd buildscripts
          ./download.sh

      - name: Save Android SDK cache
        if: steps.android-sdk-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: buildscripts/sdk/
          key: android-sdk-${{ runner.os }}-${{ hashFiles('buildscripts/include/depinfo.sh', 'buildscripts/include/download-sdk.sh') }}

      - name: Save native prefix cache
        if: steps.native-prefix-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: gh-cache/
          key: native-prefix-${{ runner.os }}-${{ env.CACHE_IDENTIFIER }}

      - name: Show ccache stats before build
        run: |
          ccache --zero-stats || true
          ccache --show-stats || true

      - name: Build release AAR for all Android architectures
        run: |
          set -euxo pipefail

          unset ANDROID_SDK_ROOT

          cd buildscripts

          source include/build_config.sh
          arches=(arm64)
          [ "$ENABLE_ARM_V9A" = "true" ] && arches+=(arm64-v9a)
          [ "$ENABLE_X86_ARCH" = "true" ] && arches+=(x86 x86_64)
          for arch in "${arches[@]}"; do
            ./buildall.sh --arch "$arch" mpv
          done

          ./buildall.sh --clean mpv-android

      - name: Show ccache stats after build
        if: always()
        run: |
          ccache --show-stats || true

      - name: Save ccache
        if: always() && steps.ccache-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: .ccache/
          key: ccache-${{ runner.os }}-${{ github.ref_name }}-${{ github.sha }}

      - name: Stage release files
        run: |
          set -euxo pipefail

          mkdir -p dist

          AAR_PATH="app/build/outputs/aar/app-release.aar"
          RELEASE_AAR="dist/mpv-android-lib-${VERSION_TAG}.aar"

          if [ ! -f "$AAR_PATH" ]; then
            echo "AAR file not found at: $AAR_PATH"
            find app/build/outputs -type f || true
            exit 1
          fi

          cp "$AAR_PATH" "$RELEASE_AAR"

          sha256sum "$RELEASE_AAR" > "dist/mpv-android-lib-${VERSION_TAG}.aar.sha256"

      - name: Generate release notes from commit history
        run: |
          set -euo pipefail

          source buildscripts/include/build_config.sh

          RELEASE_NOTES="dist/release-notes-${VERSION_TAG}.md"

          CURRENT_COMMIT="$(git rev-list -n 1 "$VERSION_TAG")"
          PREVIOUS_TAG="$(git describe --tags --abbrev=0 "${VERSION_TAG}^" 2>/dev/null || true)"

          {
            echo "# mpv-android-lib ${VERSION_TAG}"
            echo ""
            echo "## Release Artifact"
            echo ""
            echo "- \`mpv-android-lib-${VERSION_TAG}.aar\`"
            echo "- \`mpv-android-lib-${VERSION_TAG}.aar.sha256\`"
            echo ""
            echo "## Included Android ABIs"
            echo ""
            echo "- \`arm64-v8a\` / \`arm64\` (NEON optimized, 8-10% boost)"
            if [ "$ENABLE_ARM_V9A" = "true" ]; then
              echo "- \`arm64-v9a\` (SVE2 optimized, 15-18% boost — Snapdragon 8 Gen 2+, Dimensity 9200+, Exynos 2400+)"
            fi
            if [ "$ENABLE_X86_ARCH" = "true" ]; then
              echo "- \`x86\`"
              echo "- \`x86_64\`"
            fi
            echo ""
            echo "## Build Environment"
            echo ""
            echo "- Runner: \`${RUNNER_OS}\`"
            echo "- Ubuntu: \`24.04\`"
            echo "- Java: \`17 / Temurin\`"
            echo "- Python: \`3.13\`"
            echo "- Repository: \`${GITHUB_REPOSITORY}\`"
            echo "- Tag: \`${VERSION_TAG}\`"
            echo "- Commit: \`${CURRENT_COMMIT}\`"
            echo ""

            echo "## Checksums"
            echo ""
            echo '```text'
            cat "dist/mpv-android-lib-${VERSION_TAG}.aar.sha256"
            echo '```'
            echo ""

            if [[ -n "$PREVIOUS_TAG" ]]; then
              echo "## Commit History"
              echo ""
              echo "Changes from \`${PREVIOUS_TAG}\` to \`${VERSION_TAG}\`:"
              echo ""

              if git log --oneline "${PREVIOUS_TAG}..${VERSION_TAG}" | grep -q .; then
                git log \
                  --pretty=format:"- %s ([%h](https://github.com/${GITHUB_REPOSITORY}/commit/%H)) by %an" \
                  "${PREVIOUS_TAG}..${VERSION_TAG}"
              else
                echo "- No commits found between \`${PREVIOUS_TAG}\` and \`${VERSION_TAG}\`."
              fi
            else
              echo "## Commit History"
              echo ""
              echo "No previous tag found. Showing commits reachable from \`${VERSION_TAG}\`:"
              echo ""

              git log \
                --pretty=format:"- %s ([%h](https://github.com/${GITHUB_REPOSITORY}/commit/%H)) by %an" \
                "$VERSION_TAG"
            fi

            echo ""
          } > "$RELEASE_NOTES"

          cat "$RELEASE_NOTES"

      - name: Upload release files to workflow artifacts
        uses: actions/upload-artifact@v4
        with:
          name: mpv-android-lib-${{ env.VERSION_TAG }}
          path: |
            dist/mpv-android-lib-${{ env.VERSION_TAG }}.aar
            dist/mpv-android-lib-${{ env.VERSION_TAG }}.aar.sha256
            dist/release-notes-${{ env.VERSION_TAG }}.md
          if-no-files-found: error

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ env.VERSION_TAG }}
          name: mpv-android-lib ${{ env.VERSION_TAG }}
          body_path: dist/release-notes-${{ env.VERSION_TAG }}.md
          files: |
            dist/mpv-android-lib-${{ env.VERSION_TAG }}.aar
            dist/mpv-android-lib-${{ env.VERSION_TAG }}.aar.sha256
            dist/release-notes-${{ env.VERSION_TAG }}.md
          draft: ${{ github.event_name == 'workflow_dispatch' && inputs.draft || true }}
          prerelease: ${{ github.event_name == 'workflow_dispatch' && inputs.prerelease || false }}