name: 'Apply Ptrace Patch'
description: 'Apply GKI ptrace compatibility patch for kernels < 5.16'
inputs:
  kernel_version:
    description: 'Kernel version (e.g., 6.1)'
    required: true

runs:
  using: 'composite'
  steps:
    - name: Apply Ptrace Patch
      shell: bash
      working-directory: ${{ github.workspace }}/kernel/common
      run: |
        set -euo pipefail
        KERNEL_VERSION="${{ inputs.kernel_version }}"
        MIN_VERSION="5.16"
        if [ "$(printf '%s\n' "$KERNEL_VERSION" "$MIN_VERSION" | sort -V | head -n1)" = "$KERNEL_VERSION" ]; then
          echo "Patching ptrace!"
          patch -p1 -F 3 < "${{ github.workspace }}/kernel_patches/gki_ptrace.patch"
        else
          echo "Kernel >= $MIN_VERSION, skipping ptrace patch"
        fi