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#!/bin/bash
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cd "$(git rev-parse --show-toplevel)"
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DISALLOWED_PATTERN='KJ_DBG'
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if git diff-index -G"$DISALLOWED_PATTERN" --cached HEAD --diff-filter=AM -U0 | grep -i --color -E "$DISALLOWED_PATTERN"
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then
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  echo -e "\nERROR, KJ_DBG is not allowed in checked-in source code:"
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  echo -e "  see https://github.com/capnproto/capnproto/blob/v2/c%2B%2B/src/kj/debug.h#L42\n"
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  echo -e "To commit anyway, use --no-verify\n"
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  exit 1
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fi
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clang_format_check() {
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  source "$(dirname -- $BASH_SOURCE)/../tools/unix/find-python3.sh"
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  PYTHON_PATH=$(get_python3)
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  if [[ -z "$PYTHON_PATH" ]]; then
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    echo
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    echo "python3 is required for formatting and was not found"
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    echo
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    echo "ERROR: you must either install python3 and try pushing again or run `git push` with `--no-verify`"
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    return 1
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  fi
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  set +e
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  $PYTHON_PATH "$(dirname -- $BASH_SOURCE)/../tools/cross/format.py" --check git --staged
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  EXIT_CODE=$?
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  set -e
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  case $EXIT_CODE in
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    0)
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      # No lint.
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      return 0
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      ;;
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    1)
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      echo
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      echo "ERROR: changes staged for commit have lint. Pass '--no-verify' or '-n' to skip."
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      echo
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      echo "To fix lint:"
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      echo "  just format"
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      echo
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      return 1
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      ;;
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    2)
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      echo
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      echo "ERROR: failed to run format.py, Pass '--no-verify' or '-n' to skip."
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      echo
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      return 1
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      ;;
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  esac
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}
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clang_format_check