name: 'Setup ccache'
description: 'Install and configure ccache for older kernels (android12/13)'
inputs:
  version:
    description: 'Kernel config version (e.g., android14-6.1)'
    required: true

runs:
  using: 'composite'
  steps:
    - name: Setup ccache
      shell: bash
      if: |
        inputs.version == 'android12-5.10' ||
        inputs.version == 'android13-5.10' ||
        inputs.version == 'android13-5.15'
      working-directory: ${{ github.workspace }}
      run: |
        set -euo pipefail
        echo "Installing ccache..."
        curl -LfsS --retry 5 --retry-delay 5 --retry-all-errors --connect-timeout 30 \
          -H "User-Agent: Mozilla/5.0" \
          "https://github.com/WildKernels/kernel_patches/raw/refs/heads/main/ccache/ccache-x86-64" -o ccache
        sudo cp -f ./ccache /usr/bin/ccache
        sudo chmod +x /usr/bin/ccache
        rm -f ./ccache
        echo "[+] installed ccache from kernel_patches"

        if ! /usr/bin/ccache --version > /dev/null 2>&1; then
          echo "[-] ccache installation failed"
          exit 1
        fi
        echo "[+] ccache verified: $(/usr/bin/ccache --version | head -1)"

        export CCACHE_DIR="/home/runner/.ccache"
        echo "CCACHE_DIR=$CCACHE_DIR" >> $GITHUB_ENV
        mkdir -p "$CCACHE_DIR"

        export CCACHE_MAXSIZE="12G"
        echo CCACHE_MAXSIZE="$CCACHE_MAXSIZE" >> $GITHUB_ENV
        export CCACHE_COMPILERCHECK="content"
        echo CCACHE_COMPILERCHECK="$CCACHE_COMPILERCHECK" >> $GITHUB_ENV
        export CCACHE_BASEDIR="${{ github.workspace }}"
        echo CCACHE_BASEDIR="${{ github.workspace }}" >> $GITHUB_ENV
        export CCACHE_NOHASHDIR="true"
        echo CCACHE_NOHASHDIR="true" >> $GITHUB_ENV
        export CCACHE_IGNOREOPTIONS="--sysroot*"
        echo CCACHE_IGNOREOPTIONS="--sysroot*" >> $GITHUB_ENV
        export CCACHE_COMPRESSION="true"
        echo CCACHE_COMPRESSION="true" >> $GITHUB_ENV
        export CCACHE_COMPRESSLEVEL="3"
        echo CCACHE_COMPRESSION_LEVEL="3" >> $GITHUB_ENV
        export CCACHE_DIRECT="true"
        echo CCACHE_DIRECT="true" >> "$GITHUB_ENV"
        export CCACHE_FILE_CLONE="true"
        echo CCACHE_FILE_CLONE="true" >> "$GITHUB_ENV"
        export CCACHE_INODE_CACHE="true"
        echo CCACHE_INODE_CACHE="true" >> "$GITHUB_ENV"
        export CCACHE_IS_KERNEL_COMPILING="true"
        echo CCACHE_IS_KERNEL_COMPILING="true" >> $GITHUB_ENV
        export CCACHE_UMASK="002"
        echo CCACHE_UMASK="002" >> $GITHUB_ENV
        export CCACHE_SLOPPINESS="file_macro,time_macros,include_file_mtime,include_file_ctime,pch_defines,system_headers,locale"
        echo CCACHE_SLOPPINESS="file_macro,time_macros,include_file_mtime,include_file_ctime,pch_defines,system_headers,locale" >> $GITHUB_ENV

        if ccache --help 2>&1 | grep -q 'depend_mode'; then
          export CCACHE_DEPEND=true
          echo "CCACHE_DEPEND=true" >> "$GITHUB_ENV"
        fi

        echo "=== ccache config ==="
        ccache -p
        echo "====================="
        echo "[+] ccache ready"