Samsung_KernelSU_SUSFS/.github/actions/kernel-info/action.yml

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

runs:
 using: composite
 steps:
      - name: Locate, Fetch, and Split Version Metadata
        shell: bash
        run: |
          TARGET_FILE="build.config.constants"
          REPO_URL="https://github.com/WildKernels/Samsung_Kernels"
          
          echo "Searching for ${TARGET_FILE} on branch: $BRANCH..."
          
          # 1. Download ONLY the file list (tree index) of the remote branch
          # This runs instantly, takes zero disk space, and requires no tokens
          FILE_PATH=$(git archive --remote="$REPO_URL" "$BRANCH" | tar -t | grep "${TARGET_FILE}" | head -n 1)
          
          if [ -z "$FILE_PATH" ]; then
            echo "::error::Could not find ${TARGET_FILE} anywhere on branch $BRANCH"
            exit 1
          fi
          
          echo "File discovered at path: $FILE_PATH"
          
          # 2. Fetch the raw file content from its dynamically discovered location
          RAW_URL="https://githubusercontent.com/WildKernels/Samsung_Kernels/$BRANCH/$FILE_PATH"
          FILE_CONTENT=$(curl -s "$RAW_URL")
          
          # 3. Extract the BRANCH= line
          BRANCH_LINE=$(echo "$FILE_CONTENT" | grep "^BRANCH=" | head -n 1)
          
          if [ -z "$BRANCH_LINE" ]; then
            echo "::error::Could not find BRANCH= line inside $FILE_PATH"
            exit 1
          fi
          
          # 4. Parse components using awk (splits by '=' and '-')
          ANDROID_VER=$(echo "$BRANCH_LINE" | awk -F'[=-]' '{print $2}' | tr -d '" .')
          KERNEL_VER=$(echo "$BRANCH_LINE" | awk -F'[=-]' '{print $3}' | tr -d '" .')
          
          echo "Parsed Android Version: $ANDROID_VER"
          echo "Parsed Kernel Version: $KERNEL_VER"
          
          # 5. Export directly to GitHub Environment Variables
          echo "ANDROID_VERSION=$ANDROID_VER" >> $GITHUB_ENV
          echo "KERNEL_VERSION=$KERNEL_VER" >> $GITHUB_ENV