build-package.yaml

name: Build Android SDK Sources Package

on:
  # Allows this workflow to run manually from the Actions tab
  workflow_dispatch:
    inputs:
      branch:
        description: "SDK Platform Source Branch Name"
        required: true
        default: "master"
      apiLevel:
        description: "API Level (Integer only)"
        required: true
        default: "34"
      versionName:
        description: "Android Version Name"
        required: false
        default: "14"

jobs:
  build-sources-package:
    runs-on: ubuntu-latest

    steps:
      - name: Create working directories
        run: |
          mkdir android-sdk-source && cd "$_"
          mkdir -p frameworks/base
          mkdir -p development

      - name: Fetch the required sources
        run: |
          branchName=${{ github.event.inputs.branch }}

          git clone https://github.com/aosp-mirror/platform_frameworks_base.git --branch $branchName --depth 1 frameworks/base
          git clone https://android.googlesource.com/platform/libcore --branch $branchName --depth 1
          git clone https://github.com/aosp-mirror/platform_development.git --branch $branchName --depth 1 development

      - name: Create a basic source.properties file
        run: echo -e "Pkg.UserSrc=false\nPkg.Revision=0\nAndroidVersion.ApiLevel=${{ github.event.inputs.apiLevel }}\nAndroidVersion.IsBaseSdk=true" > source.properties

      - name: Modify the build script to use "android-${{ github.event.inputs.apiLevel }}" as the top-level directory
        run: cat development/build/tools/mk_sources_zip.py | sed -e 's/TOP_FOLDER = .*/TOP_FOLDER = "android-${{ github.event.inputs.apiLevel }}"/' > mk_sources_zip.py

      - name: Install Python2
        run: sudo apt install -y python2

      - name: Generate the ZIP package
        run: python2 mk_sources_zip.py -z source.properties sources-${{ github.event.inputs.apiLevel }}.zip .

      - name: Store current time and date
        id: date
        run: |
          echo "::set-output name=today::$(date -u)"
          echo "::set-output name=nowInEpochSeconds::$(date +%s)"

      - name: Generate a tag name
        id: tag
        run: |
          echo "::set-output name=name::v${{ github.event.inputs.apiLevel }}_${{ steps.date.outputs.nowInEpochSeconds }}"

      - name: Delete stale releases
        uses: dev-drprasad/delete-older-releases@v0.2.0
        with:
          keep_latest: 1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create a Github Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ steps.tag.outputs.name }}
          name: Sources for Android ${{ github.event.inputs.apiLevel }}
          body: Built from the [${{ github.event.inputs.branch }}](https://github.com/aosp-mirror/platform_frameworks_base/tree/${{ github.event.inputs.branch }}) branch of the SDK source on ${{ steps.date.outputs.today }}.
          files: sources-*.zip
          fail_on_unmatched_files: true

      - uses: actions/checkout@v3
      - name: Update README.md
        run: |
          apiLevel=${{ github.event.inputs.apiLevel }}
          tagName=${{ steps.tag.outputs.name }}
          repo=${{ github.repository }}

          # Updates line #3, #4, #5, #17 in the README.md file
          sed -i \
           -e "s|\(/API-\)[[:digit:]]*|\1$apiLevel|" \
           -e "s|\(download/\)v[[:digit:]]*_.*.zip|\1$tagName/sources-$apiLevel.zip|" \
           -e "s|\(downloads/\).*/.*/|\1$repo/|" \
           -e "s|\(\`android-\)[[:digit:]]*|\1$apiLevel|" \
           README.md

          git config user.name ${{ github.repository_owner }}
          git config user.email ${{ github.repository_owner }}@users.noreply.github.com
          git add .
          git commit -m "Release tag $tagName"
          git push

      - name: Update Repo Descriptions
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.PAT }}
          script: |
            const apiLevel = `${{ github.event.inputs.apiLevel }}`;

            const versionName = `${{ github.event.inputs.versionName }}`;
            const androidVersion = versionName ? `Android ${versionName}` : "Android";
            const androidVersionTag = versionName ? `android-${versionName.toLowerCase()}` : "";

            github.rest.repos.update({
              owner: context.repo.owner,
              repo: context.repo.repo,
              description: `A custom "Sources for Android ${apiLevel}" package built from the ${androidVersion} SDK Platform source code`,
            });

            github.rest.repos.replaceAllTopics({
              owner: context.repo.owner,
              repo: context.repo.repo,
              names: [
                "android",
                "github-actions",
                "android-studio",
                "android-sdk",
                "android-sdk-sources",
                "sources-for-android",
                androidVersionTag,
                `api-${apiLevel.toLowerCase()}`,
              ],
            });