|
| 1 | +name: Build on ubuntu-20.04 |
| 2 | +run-name: Build (${{ github.event.inputs.kernel_version }}) |
| 3 | + |
| 4 | +on: |
| 5 | + workflow_dispatch: |
| 6 | + inputs: |
| 7 | + kernel_version: |
| 8 | + description: "WSL2 kernel version (e.g. 5.15.57.1)" |
| 9 | + required: true |
| 10 | + default: "5.15.57.1" |
| 11 | + |
| 12 | +jobs: |
| 13 | + build-and-release: |
| 14 | + runs-on: ubuntu-20.04 |
| 15 | + permissions: |
| 16 | + contents: write |
| 17 | + env: |
| 18 | + KERNEL_VERSION: ${{ github.event.inputs.kernel_version }} |
| 19 | + KERNEL_DIR: linux-${{ github.event.inputs.kernel_version }} |
| 20 | + RELEASE_TAG: v${{ github.event.inputs.kernel_version }} |
| 21 | + |
| 22 | + steps: |
| 23 | + - name: Checkout Repository |
| 24 | + uses: actions/checkout@v4 |
| 25 | + |
| 26 | + - name: Install Dependencies |
| 27 | + run: | |
| 28 | + sudo apt-get update |
| 29 | + sudo apt-get install -y \ |
| 30 | + build-essential flex bison dwarves \ |
| 31 | + libssl-dev libelf-dev libncurses-dev \ |
| 32 | + bc rsync cpio python3 pahole |
| 33 | +
|
| 34 | + - name: Download Kernel Source |
| 35 | + run: | |
| 36 | + mkdir -p kernel-build |
| 37 | + cd kernel-build |
| 38 | + wget https://github.com/microsoft/WSL2-Linux-Kernel/archive/refs/tags/linux-msft-wsl-${{ env.KERNEL_VERSION }}.tar.gz |
| 39 | + tar -xzf linux-msft-wsl-${{ env.KERNEL_VERSION }}.tar.gz |
| 40 | + mv WSL2-Linux-Kernel-linux-msft-wsl-${{ env.KERNEL_VERSION }} linux-${{ env.KERNEL_VERSION }} |
| 41 | + echo "KERNEL_DIR=$(pwd)/linux-${{ env.KERNEL_VERSION }}" >> $GITHUB_ENV |
| 42 | +
|
| 43 | + - name: Configure Kernel |
| 44 | + run: | |
| 45 | + cd ${{ env.KERNEL_DIR }} |
| 46 | + cp Microsoft/config-wsl .config |
| 47 | + ./scripts/config --disable DEBUG_INFO_BTF |
| 48 | + ./scripts/config --enable LD_NO_EXEC_STACK |
| 49 | + make olddefconfig |
| 50 | +
|
| 51 | + - name: Build Kernel |
| 52 | + run: | |
| 53 | + cd ${{ env.KERNEL_DIR }} |
| 54 | + make -j$(nproc) LDFLAGS="-z noexecstack -z separate-code" LD=ld.bfd |
| 55 | + echo "BUILD_DATE=$(date -u +'%Y-%m-%d %H:%M:%S')" >> $GITHUB_ENV |
| 56 | +
|
| 57 | + - name: Generate Release Notes |
| 58 | + run: | |
| 59 | + cat << EOF > release_notes.md |
| 60 | + ### Build Information |
| 61 | + - Version: ${{ env.KERNEL_VERSION }} |
| 62 | + - Build Date: ${{ env.BUILD_DATE }} |
| 63 | + - Source: [Microsoft/WSL2-Linux-Kernel@${{ env.KERNEL_VERSION }}](https://github.com/microsoft/WSL2-Linux-Kernel/tree/linux-msft-wsl-${{ env.KERNEL_VERSION }}) |
| 64 | +
|
| 65 | + ### Installation |
| 66 | + 1. Download \`bzImage\` |
| 67 | + 2. Place in \`C:\Windows\System32\lxss\tools\` |
| 68 | + 3. Add to \`.wslconfig\`: |
| 69 | + \`\`\`ini |
| 70 | + [wsl2] |
| 71 | + kernel=C:\\Windows\\System32\\lxss\\tools\\bzImage |
| 72 | + \`\`\` |
| 73 | + EOF |
| 74 | +
|
| 75 | + - name: Create Release and Upload Assets |
| 76 | + uses: softprops/action-gh-release@v2 |
| 77 | + with: |
| 78 | + tag_name: ${{ env.RELEASE_TAG }} |
| 79 | + name: "WSL2 Kernel ${{ env.KERNEL_VERSION }}" |
| 80 | + body_path: release_notes.md |
| 81 | + files: | |
| 82 | + ${{ env.KERNEL_DIR }}/arch/x86/boot/bzImage |
| 83 | + ${{ env.KERNEL_DIR }}/.config |
| 84 | + draft: false |
| 85 | + prerelease: false |
| 86 | + fail_on_unmatched_files: true |
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