create_experimental_release.yml

name: Experimental Release

on:
  workflow_dispatch:
    inputs:
      init_arm64:
        type: boolean
        default: false
        description: "Create arm64 Init"
      init_x64:
        type: boolean
        default: false
        description: "Create x64 Init"
      init_x86:
        type: boolean
        default: false
        description: "Create x86 Init"
      kernel_arm64:
        type: boolean
        default: false
        description: "Create arm64 kernel"
      kernel_x64:
        type: boolean
        default: false
        description: "Create x64 kernel"
      kernel_x86:
        type: boolean
        default: false
        description: "Create x86 kernel"

defaults:
  run:
    shell: bash

jobs:
  input_checks:
    runs-on: ubuntu-22.04
    
    steps:
      - name: Make sure at least one workflow input is selected
        run: |
          init_arm64="${{ inputs.init_arm64 }}"
          init_x64="${{ inputs.init_x64 }}"
          init_x86="${{ inputs.init_x86 }}"
          kernel_arm64="${{ inputs.kernel_arm64 }}"
          kernel_x64="${{ inputs.kernel_x64 }}"
          kernel_x86="${{ inputs.kernel_x86 }}"
          if [[ "$init_arm64" == "false" && "$init_x64" == "false" && "$init_x86" == "false" && "$kernel_arm64" == "false" && "$kernel_x64" == "false" && "$kernel_x86" == "false" ]]; then
            echo "No kernels or inits selected to build."
            exit 1
          fi

  build_kernel_arm64:
    needs: input_checks

    if: ${{ inputs.kernel_arm64 }}
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt update && sudo apt install meld build-essential libncurses5-dev bison flex gcc-aarch64-linux-gnu libelf-dev -y

      - name: Build arm64 kernel
        run: ./build.sh -nka arm64

      - name: Run sha256 checksum
        run: |
          cd dist
          sha256sum -c ./*.sha256
          if [[ $? -ne 0 ]]; then exit 1; fi

      - name: Save distribution files
        uses: actions/upload-artifact@v4
        with:
          name: distribution-files-kernel-arm64
          path: dist
          retention-days: 1

  build_kernel_x86:
    needs: input_checks

    if: ${{ inputs.kernel_x86 }}
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt update && sudo apt install meld build-essential libncurses5-dev bison flex gcc-aarch64-linux-gnu libelf-dev -y

      - name: Build x86 kernel
        run: ./build.sh -nka x86

      - name: Run sha256 checksum
        run: |
          cd dist
          sha256sum -c ./*.sha256
          if [[ $? -ne 0 ]]; then exit 1; fi

      - name: Save distribution files
        uses: actions/upload-artifact@v4
        with:
          name: distribution-files-kernel-x86
          path: dist
          retention-days: 1

  build_kernel_x64:
    needs: input_checks

    if: ${{ inputs.kernel_x64 }}
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt update && sudo apt install meld build-essential libncurses5-dev bison flex gcc-aarch64-linux-gnu libelf-dev -y

      - name: Build x64 kernel
        run: ./build.sh -nka x64

      - name: Run sha256 checksum
        run: |
          cd dist
          sha256sum -c ./*.sha256
          if [[ $? -ne 0 ]]; then exit 1; fi

      - name: Save distribution files
        uses: actions/upload-artifact@v4
        with:
          name: distribution-files-kernel-x64
          path: dist
          retention-days: 1

  build_initrd_arm64:
    needs: input_checks

    if: ${{ inputs.init_arm64 }}
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt update && sudo apt install meld build-essential libncurses5-dev bison flex gcc-aarch64-linux-gnu libelf-dev -y

      - name: Build arm64 initrd
        run: ./build.sh -nfa arm64

      - name: Run sha256 checksum
        run: |
          cd dist
          sha256sum -c ./*.sha256
          if [[ $? -ne 0 ]]; then exit 1; fi

      - name: Save distribution files
        uses: actions/upload-artifact@v4
        with:
          name: distribution-files-initrd-arm64
          path: dist
          retention-days: 1

      - name: Save log file
        uses: actions/upload-artifact@v4
        with:
          name: Buildroot-logs-arm64
          path: fssourcearm64/buildrootarm64.log
          retention-days: 30

  build_initrd_x86:
    needs: input_checks

    if: ${{ inputs.init_x86 }}
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt update && sudo apt install meld build-essential libncurses5-dev bison flex gcc-aarch64-linux-gnu libelf-dev -y

      - name: Build x86 initrd
        run: ./build.sh -nfa x86

      - name: Run sha256 checksum
        run: |
          cd dist
          sha256sum -c ./*.sha256
          if [[ $? -ne 0 ]]; then exit 1; fi

      - name: Save distribution files
        uses: actions/upload-artifact@v4
        with:
          name: distribution-files-initrd-x86
          path: dist
          retention-days: 1

      - name: Save log file
        uses: actions/upload-artifact@v4
        with:
          name: Buildroot-logs-x86
          path: fssourcex86/buildrootx86.log
          retention-days: 30

  build_initrd_x64:
    needs: input_checks

    if: ${{ inputs.init_x64 }}
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt update && sudo apt install meld build-essential libncurses5-dev bison flex gcc-aarch64-linux-gnu libelf-dev -y

      - name: Build x64 initrd
        run: ./build.sh -nfa x64

      - name: Run sha256 checksum
        run: |
          cd dist
          sha256sum -c ./*.sha256
          if [[ $? -ne 0 ]]; then exit 1; fi

      - name: Save distribution files
        uses: actions/upload-artifact@v4
        with:
          name: distribution-files-initrd-x64
          path: dist
          retention-days: 1

      - name: Save log file
        uses: actions/upload-artifact@v4
        with:
          name: Buildroot-logs-x64
          path: fssourcex64/buildrootx64.log
          retention-days: 30

  release:
    needs:
      [
        build_kernel_arm64,
        build_kernel_x86,
        build_kernel_x64,
        build_initrd_arm64,
        build_initrd_x86,
        build_initrd_x64,
      ]

    if: |
      always() &&
      !contains(needs.*.result, 'failure') &&
      !contains(needs.*.result, 'cancelled')

    runs-on: ubuntu-22.04

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download distribution files
        uses: actions/download-artifact@v4
        with:
          pattern: distribution-files-*
          merge-multiple: true
          path: distribution-files

      - name: Set release name variable
        run: |
          echo "RELEASE_NAME=Experimental release from $(date '+%Y-%m-%d')" >> $GITHUB_ENV

      - name: Set tag name variable
        run: |
          echo "TAG_NAME=EXP_$(date '+%Y%m%d')" >> $GITHUB_ENV

      - name: Get Linux Kernel version from build.sh
        run: |
          echo "LINUX_KERNEL_VER=$(cat build.sh | sed -n -e 's/^.*KERNEL_VERSION=//p' | cut -d\' -f 2)" >> $GITHUB_ENV

      - name: Get Buildroot version from build.sh
        run: |
          echo "BUILDROOT_VER=$(cat build.sh | sed -n -e 's/^.*BUILDROOT_VERSION=//p' | cut -d\' -f 2)" >> $GITHUB_ENV

      - name: Run sha256 checksum on all files
        run: |
          cd distribution-files
          sha256sum -c ./*.sha256
          if [[ $? -ne 0 ]]; then exit 1; fi
      
      - name: Create release body
        run: |
          release_body_text="WARNING! This is an experimental releases. Backup your previous kernels/inits before installing these.\n\n"
          # 
          if [[ "${{ inputs.kernel_arm64 }}" == "true" || "${{ inputs.kernel_x64 }}" == "true" || "${{ inputs.kernel_x86 }}" == "true" ]]; then
            release_body_text+="Linux kernel ${{ env.LINUX_KERNEL_VER}}\n"
          fi
          # 
          if [[ "${{ inputs.init_arm64 }}" == "true" || "${{ inputs.init_x64 }}" == "true" || "${{ inputs.init_x86 }}" == "true" ]]; then
            release_body_text+="Buildroot ${{ env.BUILDROOT_VER}}"
          fi
          # GH Actions way of making a multiline text environment variable
          {
            echo 'RELEASE_BODY_TEXT<<EOF'
            echo -e $release_body_text
            echo EOF
          } >> "$GITHUB_ENV"

      - name: Create release
        uses: softprops/action-gh-release@v2
        with:
          name: ${{ env.RELEASE_NAME }}
          body: ${{ env.RELEASE_BODY_TEXT }}
          tag_name: ${{ env.TAG_NAME }}
          prerelease: true
          files: |
            distribution-files/*