name: Build rootfs cache

on:
  workflow_dispatch:

jobs:

  Merge:

    name: "Merge master into nightly"
    runs-on: [self-hosted, Linux]
    if: ${{ github.repository_owner == 'Armbian' }}

    steps:

      - name: Checkout Armbian build script
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          repository: armbian/build
          path: build
          ref: nightly
          clean: false

      - name: Import GPG key
        uses: crazy-max/ghaction-import-gpg@v3
        with:
          gpg-private-key: ${{ secrets.GPG_KEY2 }}
          passphrase: ${{ secrets.GPG_PASSPHRASE2 }}
          workdir: build
          git-user-signingkey: true
          git-commit-gpgsign: true

      - name: Merge master into nightly

        run: |
          cd build
          git config --global user.email "info@armbian.com"
          git config --global user.name "Armbianworker"
          git checkout master
          git fetch
          git merge origin/master
          git checkout nightly
          git merge master nightly
          git push

  Prepare:

    needs: [ Merge ]
    name: Determine needed targets
    runs-on: [self-hosted, Linux, cache]
    if: ${{ github.repository_owner == 'armbian' }}
    outputs:
      matrix: ${{steps.list_dirs.outputs.matrix}}
    steps:

        - name: Fix permissions
          run: |
            # make sure no temporally dirs are mounted from previous runs
            while :
            do
                sudo pkill compile.sh || true
                sudo pkill arm-binfmt-P || true
                sudo pkill aarch64-binfmt-P || true
                sudo pkill pixz || true
                sudo mountpoint -q build/output/images && sudo fusermount -u build/output/images || true
                [[ "$(df | grep "/.tmp" | wc -l)" -eq 0 ]] && sudo rm -rf build/.tmp && break                
                echo "Mounted temp directories. Trying to unmount."
                df | grep "/.tmp" | awk '{print $6}' | xargs sudo umount 2>/dev/null || true
                sleep 10
            done
            sudo chown -R $USER:$USER build/.git
        - name: Checkout Armbian build script

          uses: actions/checkout@v2
          with:
            fetch-depth: 0
            repository: armbian/build
            path: build
            ref: nightly
            clean: false

        - name: Checkout Armbian support scripts

          uses: actions/checkout@v2
          with:
            fetch-depth: 0
            repository: armbian/scripts
            token: ${{ secrets.SCRIPTS_ACCESS_TOKEN }}
            path: scripts
            ref: master
            clean: true

        - name: Cache build configurations
          uses: actions/cache@v2
          env:
            cache-name: build-rootfs
          with:
            path: build-rootfs
            key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ github.run_id }}

        - name: Build rootfs cache

          run: |
            echo "BLTPATH=\"$(pwd)/build/\"" | tee scripts/cacherebuild.conf scripts/betarepository.conf >/dev/null
            mkdir -p build-rootfs
            rm -f build-rootfs/*
            cd build
            sudo rm -rf output/images/*
            sudo mkdir -p userpatches
            sudo cp ../scripts/configs/* userpatches/
            [[ ! -f .ignore_changes ]] && sudo touch .ignore_changes
            ./compile.sh KERNEL_ONLY="yes" BOARD="bananapi" BRANCH="current" KERNEL_CONFIGURE="no" USE_TORRENT="yes" REPOSITORY_INSTALL="kernel" 'prepare_host'
            if [[ $(curl -s http://ifconfig.me) == "93.103.15.56" ]]; then
                sudo mkdir -p cache/toolchain cache/rootfs || true
                ! sudo mountpoint -q cache/toolchain && sudo mount nas:/tank/armbian/toolchain.armbian.com cache/toolchain -o rsize=32768,wsize=32768,timeo=5,retrans=2,actimeo=60,retry=15 || true
                ! sudo mountpoint -q cache/rootfs && sudo mount nas:/tank/armbian/dl.armbian.com/_rootfs cache/rootfs -o rsize=32768,wsize=32768,timeo=5,retrans=2,actimeo=60,retry=15 || true
            fi
            sudo rm -f cache/rootfs/*.complete
            sudo rm -f userpatches/targets.conf
            ../scripts/cacherebuild.sh "no" "../build-rootfs/filelist.txt" 
            PARTS=$(cat ../build-rootfs/filelist.txt | wc -l)
            split -d --numeric=1 --number=r/${PARTS} --additional-suffix=.conf --suffix-length=3 ../build-rootfs/filelist.txt ../build-rootfs/split-
        - name: Prepare matrix
          id: list_dirs
          run: |
            PARTS=$(cat build-rootfs/filelist.txt | wc -l)
            echo ::set-output name=matrix::$(for x in $(seq -w 1 $PARTS); do echo $x; done|jq -cnR '[inputs | select(length>0)]' | jq)

  Cache:

    needs: [ Prepare ]
    runs-on: [self-hosted, Linux, cache]
    if: ${{ github.repository_owner == 'armbian' }}
    timeout-minutes: 480
    strategy:
      fail-fast: false
      matrix: 
        node: ${{fromJson(needs.Prepare.outputs.matrix)}}

    steps:
 
      - name: Cache Gradle packages
        uses: actions/cache@v2
        env:
          cache-name: build-rootfs
        with:
          path: build-rootfs
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ github.run_id }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-${{ github.run_id }}
      - name: Fix permissions
        run: |
          # make sure no temporally dirs are mounted from previous runs
          while :
          do
              sudo pkill compile.sh || true
              sudo pkill arm-binfmt-P || true
              sudo pkill aarch64-binfmt-P || true
              sudo pkill pixz || true
              sudo mountpoint -q build/output/images && sudo fusermount -u build/output/images || true
              [[ "$(df | grep "/.tmp" | wc -l)" -eq 0 && $(sudo mountpoint -q build/output/images; echo $?) -eq 1 ]] && sudo rm -rf build/.tmp && break
              echo "Mounted temp directories. Trying to unmount."
              df | grep ".tmp" | awk '{print $6}' | xargs sudo umount 2>/dev/null || true
              sleep 10
          done
          [[ -d build/.git ]] && sudo chown -R $USER:$USER build/.git || true
          [[ -d build/output/images ]] && sudo rm -rf build/output/images/* || true
          [[ -d build/cache/sources ]] && sudo rm -rf build/cache/sources/* || true
          
      - name: Checkout Armbian build script

        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          repository: armbian/build
          path: build
          ref: nightly
          clean: false

      - name: Checkout Armbian support scripts

        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          repository: armbian/scripts
          token: ${{ secrets.SCRIPTS_ACCESS_TOKEN }}
          path: scripts
          clean: false

      - name: Import GPG key

        uses: crazy-max/ghaction-import-gpg@v3
        with:
          gpg-private-key: ${{ secrets.GPG_KEY1 }}
          passphrase: ${{ secrets.GPG_PASSPHRASE1 }}
          workdir: scripts
          git-user-signingkey: true

      - name: Build rootfs cache
        env:
          GPG_PASS: ${{ secrets.GPG_PASSPHRASE1 }}

        run: |
          CHUNK="${{ matrix.node }}"
          if [[ $(curl -s http://ifconfig.me) == "93.103.15.56" ]]; then
              sudo mkdir -p build/cache/toolchain build/cache/rootfs || true
              ! sudo mountpoint -q build/cache/toolchain && sudo mount nas:/tank/armbian/toolchain.armbian.com build/cache/toolchain -o rsize=32768,wsize=32768,timeo=5,retrans=2,actimeo=60,retry=15 || true
              ! sudo mountpoint -q build/cache/rootfs && sudo mount nas:/tank/armbian/dl.armbian.com/_rootfs build/cache/rootfs -o rsize=32768,wsize=32768,timeo=5,retrans=2,actimeo=60,retry=15 || true
          fi          
          cd build
          # use prepared configs
          sudo mkdir -p userpatches
          sudo cp ../scripts/configs/* userpatches/
          # prepare host
          [[ ! -f .ignore_changes ]] && sudo touch .ignore_changes || true
          bash ../build-rootfs/split-${CHUNK}.conf
          
  Finish:
    name: Finish
    needs: [Cache]
    runs-on: [self-hosted, Linux, cache]
    if: ${{ github.repository_owner == 'Armbian' }}
    steps:
        - name: Fix permissions
          run: |
            # make sure no temporally dirs are mounted from previous runs
            while :
            do
                sudo pkill compile.sh || true
                sudo pkill arm-binfmt-P || true
                sudo pkill aarch64-binfmt-P || true
                sudo pkill pixz || true
                sudo mountpoint -q build/output/images && sudo fusermount -u build/output/images || true
                [[ "$(df | grep "/.tmp" | wc -l)" -eq 0 ]] && sudo rm -rf build/.tmp && break                
                echo "Mounted temp directories. Trying to unmount."
                df | grep ".tmp" | awk '{print $6}' | xargs sudo umount 2>/dev/null || true
                sleep 10
            done
            sudo chown -R $USER:$USER build/.git
        - name: Checkout Armbian build script

          uses: actions/checkout@v2
          with:
            fetch-depth: 0
            repository: armbian/build
            path: build
            ref: nightly
            clean: false

        - name: Checkout Armbian support scripts

          uses: actions/checkout@v2
          with:
            fetch-depth: 0
            repository: armbian/scripts
            token: ${{ secrets.SCRIPTS_ACCESS_TOKEN }}
            path: scripts
            ref: master
            clean: true

        - name: Cache build configurations
          uses: actions/cache@v2
          env:
            cache-name: build-rootfs
          with:
            path: build-rootfs
            key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ github.run_id }}

        - name: Build rootfs cache

          run: |
            echo "BLTPATH=\"$(pwd)/build/\"" | tee scripts/cacherebuild.conf scripts/betarepository.conf >/dev/null
            mkdir -p build-rootfs
            rm -f build-rootfs/*
            cd build
            sudo rm -rf output/images/*
            sudo mkdir -p userpatches
            sudo cp ../scripts/configs/* userpatches/
            [[ ! -f .ignore_changes ]] && sudo touch .ignore_changes
            ./compile.sh KERNEL_ONLY="yes" BOARD="bananapi" BRANCH="current" KERNEL_CONFIGURE="no" USE_TORRENT="yes" REPOSITORY_INSTALL="kernel" 'prepare_host'
            if [[ $(curl -s http://ifconfig.me) == "93.103.15.56" ]]; then
                sudo mkdir -p cache/toolchain cache/rootfs || true
                ! sudo mountpoint -q cache/toolchain && sudo mount nas:/tank/armbian/toolchain.armbian.com cache/toolchain -o rsize=32768,wsize=32768,timeo=5,retrans=2,actimeo=60,retry=15 || true
                ! sudo mountpoint -q cache/rootfs && sudo mount nas:/tank/armbian/dl.armbian.com/_rootfs cache/rootfs -o rsize=32768,wsize=32768,timeo=5,retrans=2,actimeo=60,retry=15 || true
            fi  
            sudo rm -f userpatches/targets.conf
            ../scripts/cacherebuild.sh "yes" test