#!/usr/bin/env bash
set -euo pipefail

BUF_IMAGE="${BUF_IMAGE:-bufbuild/buf:1.47.2}"
action="${1:-}"

case "$action" in
  format)
    shift
    set -- format -w "$@"
    ;;
  lint)
    shift
    set -- lint "$@"
    ;;
  build)
    shift
    set -- build -o descriptor.bin "$@"
    ;;
  generate)
    shift
    set -- generate "$@"
    ;;
  breaking)
    shift
    if [[ $# -ne 1 ]]; then
      echo "usage: $0 breaking <against>" >&2
      exit 2
    fi
    set -- breaking --against "$1"
    ;;
  *)
    echo "usage: $0 {format|lint|build|generate|breaking <against>}" >&2
    exit 2
    ;;
esac

exec docker run --rm --user "$(id -u):$(id -g)" \
  -e XDG_CACHE_HOME=/tmp \
  -v "$(pwd):/workspace" -w /workspace "$BUF_IMAGE" "$@"