mirror.yml

name: 'make-sandwich'
on:
  push:
    branches:
        - __mirror
  schedule:
    # Run everyday at 3 AM UTC
    - cron: '0 3 * * *'
  workflow_dispatch:

jobs:
  mirror_and_check:
    runs-on: ubuntu-latest
    outputs:
      branch_matrix: ${{ steps.check.outputs.branch_matrix }}
    steps:
      - name: mirror
        id: mirror
        uses: bridgelightcloud/github-mirror-action@v3
        with:
          origin: 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git'
          GITHUB_TOKEN: ${{ secrets.PAT }}

      - name: check
        id: check
        run: |
          REPO=$( basename $PWD )
          cd ..
          mv $REPO ${REPO}.git
          git clone --shared ${REPO}.git $REPO
          JSON_DATA_FILE="$PWD/workflows.json"
          touch ${JSON_DATA_FILE}
          cd $REPO
          echo "DEBUG $( pwd ) - before for"
          for branch in $( cat config/rc-branches ); do
            git worktree add ../${branch} ${branch}
            pushd ../${branch}
            pwd
            if git log --oneline | head -n1 | grep "Linux\ .*\-rc.*" &>/dev/null; then
              KERNEL_VERSION=$( git log --oneline | head -n1 | grep -o "Linux\ .*\-rc.*" )
              echo "DEBUG build ${KERNEL_VERSION}"
              if [[ -s ${JSON_DATA_FILE} ]]; then
                echo "DEBUG , \"${branch}\""
                echo -n ", \"${branch}\"" >> ${JSON_DATA_FILE}
              else
                echo "DEBUG [\"${branch}\""
                echo -n "[\"${branch}\"" >> ${JSON_DATA_FILE}
              fi
            fi
            cat ${JSON_DATA_FILE} || echo "DEBUG #1"
            popd
            pwd
          done
          echo -n "]" >> ${JSON_DATA_FILE}
          pwd
          echo "DEBUG $( pwd ) - after for"
          ls -1
          ls -1 ../
          cat -v ${JSON_DATA_FILE} || echo "DEBUG #2"
          echo "branch_matrix=$( jq -cn --argjson environments "$( cat ${JSON_DATA_FILE} )" '{branch: $environments}' )" >> $GITHUB_OUTPUT
          

  matrix_build:
    needs: mirror_and_check
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix: ${{fromJson(needs.mirror_and_check.outputs.branch_matrix)}}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: __mirror
          path: __mirror

      - uses: actions/checkout@v4
        with:
          ref: ${{ matrix.branch }}
          path: ${{ matrix.branch }}

      - uses: actions/checkout@v4
        with:
          repository: johnny-mnemonic/ski
          ref: hp-sim-for-linux
          path: hp-sim-for-linux

      - uses: actions/checkout@v4
        with:
          repository: johnny-mnemonic/ski
          ref: master
          path: ski

      - name: prepare_step
        run: |
          pwd
          BUILD_DIR="$( pwd )/${{ matrix.branch }}"
          TOOLS_DIR="$( pwd )/__mirror"
          HP_SIM_DIR=$( pwd )/hp-sim-for-linux"
          SKI_DIR="$( pwd )/ski"
          BRANCH=${{ matrix.branch }}
          # prepare tools ######################################################
          cd ${TOOLS_DIR}
          COMPILER_URL=$( cat ./config/compiler-url )
          wget "${COMPILER_URL}" -O - | unxz | tar -xf -
          COMPILER_PATH=$( echo gcc-*/*-linux )
          PATH=$PATH:$PWD/${COMPILER_PATH}/bin
          COMPILER=$( basename ${COMPILER_PATH}/bin/*-linux-gcc )
          COMPILER_AND_VERSION=$( ${COMPILER} --version | head -n1 )
          # exports ############################################################
          echo "BUILD_DIR=${BUILD_DIR}" >> $GITHUB_ENV
          echo "TOOLS_DIR=${TOOLS_DIR}" >> $GITHUB_ENV
          echo "HP_SIM_DIR=${HP_SIM_DIR}" >> $GITHUB_ENV
          echo "SKI_DIR=${SKI_DIR}" >> $GITHUB_ENV
          echo "BRANCH=${BRANCH}" >> $GITHUB_ENV
          echo "MODPATH=${PATH}" >> $GITHUB_ENV
          echo "COMPILER_AND_VERSION=${COMPILER_AND_VERSION}" >> $GITHUB_ENV

      - name: regular_build_step
        run: |
          # apply any standard patches #########################################
          PATH=${MODPATH}
          cd ${BUILD_DIR}
          KERNEL_VERSION=$( git log --oneline | head -n1 | grep -o "Linux\ .*\-rc.*" )
          if [[ -e ${TOOLS_DIR}/patches/${BRANCH}/ ]]; then
            for patch in ${TOOLS_DIR}/patches/${BRANCH}/*patch; do
              patch -p1 < ${patch} || true
            done          
          fi
          # build ##############################################################
          cd "${TOOLS_DIR}"
          echo "| STATUS | BRANCH | VERSION | COMPILER |" >> $GITHUB_STEP_SUMMARY
          echo "| ------ | ------ | ------- | -------- |" >> $GITHUB_STEP_SUMMARY
          if time ./tools/make-kernel.bash ./config/rx2620-rx2660-rx2800-i2-combined-localmodconfig ia64 ${BUILD_DIR}; then
            echo "| :white_check_mark: | ${BRANCH} | ${KERNEL_VERSION} | ${COMPILER_AND_VERSION} |" >> $GITHUB_STEP_SUMMARY
            true
          else
            echo "| :x: | ${BRANCH} | ${KERNEL_VERSION} | ${COMPILER_AND_VERSION} |" >> $GITHUB_STEP_SUMMARY
            true
          fi

      - name: hp_sim_build_step
        run: |
          # ski available for our branch? ######################################
          case ${BRANCH} in
            linux-6.1.y | linux-6.6.y | linux-6.7.y)
              echo "Ski not yet reinstated for ${BRANCH}"
              exit 0
            *)
              true
          esac
          # apply ski patches ##################################################
          PATH=${MODPATH}
          cd ${BUILD_DIR}
          KERNEL_VERSION=$( git log --oneline | head -n1 | grep -o "Linux\ .*\-rc.*" )
          make mrproper
          if [[ -e ${HP_SIM_DIR}/${BRANCH}/ ]]; then
            for patch in ${HP_SIM_DIR}/${BRANCH}/*patch; do
              patch -p1 < ${patch} || true
            done
          fi
          # build hp sim kernel ################################################
          cd "${TOOLS_DIR}"
          if time ./tools/make-kernel.bash ${BUILD_DIR}/arch/ia64/sim_defconfig ia64 ${BUILD_DIR} ski; then
            echo "| :white_check_mark: | ${BRANCH} | ${KERNEL_VERSION} | ${COMPILER_AND_VERSION} |" >> $GITHUB_STEP_SUMMARY
            true
          else
            echo "| :x: | ${BRANCH} | ${KERNEL_VERSION} | ${COMPILER_AND_VERSION} |" >> $GITHUB_STEP_SUMMARY
            true
          fi