name: get kernel version before cloning
description: get kernel version before cloning

runs:
  using: composite
  steps:
    - name: Locate and extract kernel version
      shell: bash
      run: |
        REPO="WildKernels/Samsung_Kernels"

        echo "Searching for root Makefile on branch $BRANCH"

        # Get repository tree without cloning
        TREE_URL="https://api.github.com/repos/$REPO/git/trees/$BRANCH?recursive=1"

        MAKEFILE_PATH=$(curl -s "$TREE_URL" | \
        jq -r '.tree[].path' | \
        grep 'Makefile$' | \
        head -n 1)

        if [ -z "$MAKEFILE_PATH" ]; then
          echo "::error::Could not find root Makefile"
          exit 1
        fi

        echo "Found: $MAKEFILE_PATH"

        # Download only the Makefile
        RAW_URL="https://raw.githubusercontent.com/$REPO/$BRANCH/$MAKEFILE_PATH"

        MAKEFILE_CONTENT=$(curl -s "$RAW_URL")

        VERSION=$(echo "$MAKEFILE_CONTENT" | grep -m1 '^VERSION[[:space:]]*=' | awk '{print $3}')
        PATCHLEVEL=$(echo "$MAKEFILE_CONTENT" | grep -m1 '^PATCHLEVEL[[:space:]]*=' | awk '{print $3}')

        if [ -z "$VERSION" ] || [ -z "$PATCHLEVEL" ]; then
          echo "::error::Could not extract kernel version from Makefile"
          exit 1
        fi

        KERNEL_VERSION="$VERSION.$PATCHLEVEL"

        
        if [ "$KERNEL_VERSION" = "5.10" ]; then
           ANDROID_VERSION="android12"
        elif [ "$KERNEL_VERSION" = "5.15" ]; then
           ANDROID_VERSION="android13"
        elif [ "$KERNEL_VERSION" = "6.1" ]; then
           ANDROID_VERSION="android14"
        elif [ "$KERNEL_VERSION" = "6.6" ]; then
           ANDROID_VERSION="android15"
        else
           ANDROID_VERSION="unknown"
        fi
        
        echo "Android: $ANDROID_VERSION"
        echo "Kernel: $KERNEL_VERSION"
        
        echo "ANDROID_VERSION=$ANDROID_VERSION" >> "$GITHUB_ENV"
        echo "KERNEL_VERSION=$KERNEL_VERSION" >> "$GITHUB_ENV"