GKI_KernelSU_SUSFS/.github/actions/set-kernel-config/action.yml

# .github/actions/set-kernel-config/action.yml
name: Set Kernel Config
description: Writes kernel config values into a fragment (NO defconfig edits)

inputs:
  configs:
    required: true
  fragment:
    required: true

runs:
  using: composite
  steps:
    - name: Apply configs
      shell: bash
      run: |
        set -euo pipefail

        FRAGMENT="${{ inputs.fragment }}"
        touch "${FRAGMENT}"

        set_config() {
          local input="$1"

          # trim whitespace
          input="$(echo "$input" | xargs)"

          [[ -z "$input" || "$input" == \#* ]] && return

          if [[ "$input" == *"="* ]]; then
            local config="${input%%=*}"
            local value="${input#*=}"
          else
            local config="$input"
            local value="y"
          fi

          # remove any existing entry (prevents duplicates/conflicts)
          sed -i "/^${config}=/d" "${FRAGMENT}"

          # write clean value
          echo "${config}=${value}" >> "${FRAGMENT}"
        }

        while IFS= read -r line; do
          set_config "$line"
        done <<< "${{ inputs.configs }}"