message: Run all lint scripts
  The description reads:
  ```
  # This script runs all contrib/devtools/lint-*.sh files, and fails if any exit
  # with a non-zero status code.
  ```
  This runs all scripts and returns with a non-zero exit code if any failed.
diff: #!/usr/bin/env bash
  #
  -# Copyright (c) 2017 The Bitcoin Core developers
  +# Copyright (c) 2017-2019 The Bitcoin Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  #
  @@ -16,11 +16,15 @@ set -u
  SCRIPTDIR=$(dirname "${BASH_SOURCE[0]}")
  LINTALL=$(basename "${BASH_SOURCE[0]}")
  +EXIT_CODE=0
  +
  for f in "${SCRIPTDIR}"/lint-*.sh; do
  if [ "$(basename "$f")" != "$LINTALL" ]; then
  if ! "$f"; then
  echo "^---- failure generated from $f"
  - exit 1
  + EXIT_CODE=1
  fi
  fi
  done
  +
  +exit ${EXIT_CODE}
  