stages:
  - check

check_lib_reversion:
  stage: check
  except:
    - master
    - /^release\/v/
  image: $CI_DOCKER_REGISTRY/esp32-ci-env
  variables:
    GIT_SUBMODULE_STRATEGY: none
  script:
    - mkdir riscv32
    - wget https://github.com/espressif/crosstool-NG/releases/download/esp-2021r2-patch3/riscv32-esp-elf-gcc8_4_0-esp-2021r2-patch3-linux-amd64.tar.gz >/dev/null 2>&1
    - tar -zxvf riscv32-esp-elf-gcc8_4_0-esp-2021r2-patch3-linux-amd64.tar.gz -C ./riscv32 >/dev/null 2>&1
    - |
      for dir in */; do
        dir=${dir%/}
        case "$dir" in
          esp32|esp32s2|esp32s3)
            NM="xtensa-esp32-elf-nm"
            ;;
          *)
            NM="riscv32/riscv32-esp-elf/bin/riscv32-esp-elf-nm"
            ;;
        esac
        for lib in "$dir"/*.a; do
          [ -f "$lib" ] || continue
          echo "Checking $lib"
          symbols=$("$NM" "$lib") || exit 1
          if printf '%s\n' "$symbols" | grep -wE 'printf|ets_printf'; then
            echo "Error: $lib contains printf or ets_printf"
            exit 1
          fi
        done
      done