#!/usr/bin/env bash
#
# Usage:
#   maint/shellcheck-all
#
# Runs "shellcheck" on every shell script
# A shell script is a file which is in git and
#   - starts with a `#!` which runs /bin/sh or bash (maybe via env), or
#   - ends in .sh
#
# Example yml:
#
# ```
# shell check:
#   stage: check
#   image: koalaman/shellcheck-alpine
#   script:
#     - apk add git bash
#     - maint/shellcheck-all
# ```
# (except remove the space in `shell check`, which is there
# because shellcheck otherwise thinks it might be a directive!)

set -euo pipefail

# this include stanza is automatically maintained by update-shell-includes
common_dir=$(realpath "$0")
common_dir=$(dirname "$common_dir")
# shellcheck source=maint/common/bash-utils.sh
. "$common_dir"/bash-utils.sh

reject_all_arguments

(
  git_grep_for_shell_script_shebangs
  git ls-files | grep '\.sh$'
) | xargs shellcheck