buildroot-dl-cache.yaml

name: buildroot-dl-cache
on:
  schedule:
    # 22:00 PST / Sunday
    - cron:  '00 06 * * 1'
  workflow_dispatch:
    inputs:
      tg_disabled:
        type: boolean
        description: 'Disable Telegram notifications'
        required: false
        default: false
      tg_scratch:
        type: boolean
        description: 'Use TG scratch channel'
        required: false
        default: false

env:
  BR2_DL_DIR: ~/dl
  FORCE_UNSAFE_CONFIGURE: 1
  TAG_NAME: update_cache
  TERM: linux
  TG_TOKEN: ${{secrets.TELEGRAM_TOKEN_BOT_THINGINO}}
  TG_CHANNEL: ${{secrets.TELEGRAM_CHANNEL_THINGINO_MULTI}}
  TG_TOPIC: ${{secrets.TELEGRAM_CHANNEL_THINGINO_MULTI_TOPIC_FIRMWARE}}
  TG_CHANNEL_SCRATCH: ${{secrets.TELEGRAM_CHANNEL_THINGINO_SCRATCH}}
  TZ: America/Los_Angeles

jobs:
  notify-begin:
    runs-on: ubuntu-24.04
    outputs:
      start_time: ${{ steps.set_output.outputs.time }}
      tg_disabled: ${{ steps.set_env.outputs.tg_disabled }}
    steps:
      - name: Set timezone
        run: |
          sudo timedatectl set-timezone ${{ env.TZ }}

      - name: Save workflow start time to ENV
        id: set_output
        run: echo "time=$(date +%s)" >> $GITHUB_OUTPUT

      - name: Configure Environment Variables
        run: |
          echo "TG_DISABLED=${{ github.event.inputs.tg_disabled || 'false' }}" >> $GITHUB_ENV
          echo "tg_disabled=${{ github.event.inputs.tg_disabled || 'false' }}" >> $GITHUB_OUTPUT

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: "master"
          fetch-depth: "1"

      - name: Send build start notifcation via Telegram
        if: env.TG_DISABLED == 'false'
        run: |
          if [[ "${{ github.event.inputs.tg_scratch }}" == 'true' ]]; then
            TG_CHANNEL=${{ env.TG_CHANNEL_SCRATCH }}
            export TG_TOPIC=""
          fi
          .github/scripts/tg-notify.sh -s $TG_TOKEN $TG_CHANNEL $TG_TOPIC start ${{ github.workflow }} ${{ github.run_id }} ${{ github.repository }}

  build-caches:
    name: ${{ matrix.caches-version }}
    needs: notify-begin
    runs-on: ubuntu-24.04
    defaults:
      run:
        shell: bash
    container:
      image: debian:bookworm
    strategy:
      fail-fast: false
      matrix:
        caches-version:
          - build_cache

    steps:
      - name: Update package manager sources
        run: |
          apt-get update

      - name: Install build dependencies
        run: |
          apt-get install -y --no-install-recommends --no-install-suggests build-essential bc ccache cmake cpio curl ca-certificates file git make gawk procps rsync u-boot-tools unzip wget

      - name: Set timezone
        run: |
          ln -sf /usr/share/zoneinfo/${{ env.TZ }} /etc/localtime
          echo ${{ env.TZ }} > /etc/timezone
          DEBIAN_FRONTEND=noninteractive dpkg-reconfigure -f noninteractive tzdata

      - name: Setup gh workspace to container
        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"

      - name: Checkout repository source
        uses: actions/checkout@v4
        with:
          submodules: 'true'
          ref: "master"
          fetch-depth: "1"

      - name: Configure environment variables
        id: env
        run: |
          echo "WEEK_NUMBER=$(date +%U)" >> $GITHUB_ENV
          echo "CURRENT_YEAR=$(date +%Y)" >> $GITHUB_ENV
          echo "GIT_HASH=$(git rev-parse --short ${GITHUB_SHA})" >> $GITHUB_ENV
          echo "GIT_BRANCH=${GITHUB_REF_NAME}" >> $GITHUB_ENV
          echo "TG_DISABLED=${{ github.event.inputs.tg_disabled || 'false' }}" >> $GITHUB_ENV
          TAG_NAME="$TAG_NAME-$(date +'%Y-%m-%d')"
          echo "TAG_NAME=$TAG_NAME" >> $GITHUB_ENV

          echo "GIT_HASH=$(git rev-parse --short ${GITHUB_SHA})" >> $GITHUB_OUTPUT
          echo "TAG_NAME=${TAG_NAME}" >> $GITHUB_OUTPUT

      - name: Setup cache directories
        run: |
          mkdir -p ~/.ccache
          mkdir -p ~/dl

      - name: Download buildroot sources
        run: |
          BOARD=${{ matrix.caches-version }} make source
          TIME=$(date -d @${SECONDS} +%M:%S)
          echo "TIME=${TIME}" >> ${GITHUB_ENV}

      - name: Prune Buildroot DL cache
        run: |
          find ~/dl/ -type d -name git -exec rm -rf {} +

      - name: Save Buildroot DL cache
        uses: actions/cache/save@v4
        with:
          path: ~/dl
          key: ${{ runner.os }}-dl-shared-v1-${{ env.CURRENT_YEAR }}-week-${{ env.WEEK_NUMBER }}

      - name: Send error notification
        if: ${{ env.TG_DISABLED == 'false' && failure() }}
        run: |
          if [[ "${{ github.event.inputs.tg_scratch }}" == 'true' ]]; then
            TG_CHANNEL=${{ env.TG_CHANNEL_SCRATCH }}
            export TG_TOPIC=""
          fi
          .github/scripts/tg-notify.sh -s $TG_TOKEN $TG_CHANNEL $TG_TOPIC error $TAG_NAME ${{ github.run_id }} buildroot-dl-cache ${{ github.repository }}

  notify-completion:
    needs: [build-caches, notify-begin]
    runs-on: ubuntu-24.04
    if: always()
    steps:
      - name: Set timezone
        run: |
          sudo timedatectl set-timezone ${{ env.TZ }}

      - name: Configure Environment
        run: |
          echo "TG_DISABLED=${{ github.event.inputs.tg_disabled || 'false' }}" >> $GITHUB_ENV
          echo "GIT_HASH=${{ needs.build-caches.outputs.git_hash }}" >> $GITHUB_ENV
          echo "TAG_NAME=${{ needs.build-caches.outputs.tag_name }}" >> $GITHUB_ENV

      - name: Checkout repository source
        uses: actions/checkout@v4
        with:
          submodules: 'false'
          ref: "master"

      - name: Send notify completion summary
        if: ${{ env.TG_DISABLED == 'false' }}
        run: |
          if [[ "${{ github.event.inputs.tg_scratch }}" == 'true' ]]; then
            TG_CHANNEL=${{ env.TG_CHANNEL_SCRATCH }}
            export TG_TOPIC=""
          fi
          START_TIME=${{ needs.notify-begin.outputs.start_time }}
          END_TIME=$(date -u +%s)
          ELAPSED=$((END_TIME - START_TIME))
          ELAPSED_MIN=$((ELAPSED / 60))
          ELAPSED_SEC=$((ELAPSED % 60))
          .github/scripts/tg-notify.sh -s $TG_TOKEN $TG_CHANNEL $TG_TOPIC finish ${{ github.workflow }} "${ELAPSED_MIN}m ${ELAPSED_SEC}s" ${{ github.run_id }} ${{ github.repository }}