GKI_KernelSU_SUSFS/.github/actions/extract-sublevel-file-name/action.yml

name: 'Extract Sublevel and File Name'
description: 'Reads Makefile sublevel and composes FILE_NAME'
inputs:
  kernel_version:
    required: true
    type: string
  android_version:
    required: true
    type: string
  os_patch_level:
    required: true
    type: string
  variant:
    required: true
    type: string
  sublevel:
    required: true
    type: string
outputs:
  file_name:
    value: ${{ steps.extract.outputs.file_name }}
  sublevel:
    value: ${{ steps.extract.outputs.sublevel }}

runs:
  using: composite
  steps:
    - id: extract
      shell: bash
      env:
        INPUT_OS_PATCH_LEVEL: ${{ inputs.os_patch_level }}
      run: |
        set -euo pipefail

        SUBLEVEL="${{ inputs.sublevel }}"
        MAKEFILE="${{ github.workspace }}/kernel/common/Makefile"
        if [ "$(printf '%s' "$INPUT_OS_PATCH_LEVEL" | tr '[:upper:]' '[:lower:]')" = "lts" ]; then
          if [ ! -f "$MAKEFILE" ]; then
            echo "LTS build requires $MAKEFILE" >&2
            exit 1
          fi
          mapfile -t matches < <(grep -E '^[[:space:]]*SUBLEVEL[[:space:]]*=' "$MAKEFILE" || true)
          if [ "${#matches[@]}" -ne 1 ]; then
            echo "Expected exactly one SUBLEVEL assignment in $MAKEFILE; found ${#matches[@]}" >&2
            exit 1
          fi
          EXTRACTED="${matches[0]#*=}"
          EXTRACTED="$(printf '%s' "$EXTRACTED" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
          if ! [[ "$EXTRACTED" =~ ^[0-9]+$ ]]; then
            echo "Invalid numeric SUBLEVEL '$EXTRACTED' in $MAKEFILE" >&2
            exit 1
          fi
          SUBLEVEL="$EXTRACTED"
        fi

        FILE_NAME="${{ inputs.kernel_version }}.${SUBLEVEL}-${{ inputs.android_version }}-${{ inputs.os_patch_level }}"
        # Append variant only when it's provided and not the default 'Normal'
        if [ -n "${{ inputs.variant }}" ] && [ "${{ inputs.variant }}" != "Normal" ]; then
          FILE_NAME="${FILE_NAME}-${{ inputs.variant }}"
        fi

        echo "SUBLEVEL=$SUBLEVEL" >> "$GITHUB_ENV"
        echo "FILE_NAME=$FILE_NAME" >> "$GITHUB_ENV"

        echo "file_name=$FILE_NAME" >> "$GITHUB_OUTPUT"
        echo "sublevel=$SUBLEVEL" >> "$GITHUB_OUTPUT"