check_format: Add checker for the SPDX-license

	return $rc

}

function get_files_for_lic() {

	local f_shebang="" f_suffix=() f_type=() f_all=() exceptions=""

	f_shebang+="bash|"

	f_shebang+="make|"

	f_shebang+="perl|"

	f_shebang+="python|"

	f_shebang+="sh"

	f_suffix+=("*.c")

	f_suffix+=("*.cpp")

	f_suffix+=("*.h")

	f_suffix+=("*.go")

	f_suffix+=("*.mk")

	f_suffix+=("*.pl")

	f_suffix+=("*.py")

	f_suffix+=("*.sh")

	f_suffix+=("*.yaml")

	f_type+=("*Dockerfile")

	f_type+=("*Makefile")

	# Exclude files that may match the above types but should not

	# fall under SPDX check.

	exceptions+="include/linux|"

	exceptions+="include/spdk/queue_extras.h"

	mapfile -t f_all < <(

		git ls-files "${f_suffix[@]}" "${f_type[@]}"

		git grep -lE "^#!.*($f_shebang)"

	)

	printf '%s\n' "${f_all[@]}" | sort -u | grep -vE "$exceptions"

}

function check_spdx_lic() {

	local files_missing_license_header=() hint=()

	local rc=0

	hint+=("SPDX-License-Identifier: BSD-3-Clause")

	hint+=("All rights reserved.")

	printf 'Checking SPDX-license...'

	mapfile -t files_missing_license_header < <(

		grep -LE "SPDX-License-Identifier:.+" $(get_files_for_lic)

	)

	if ((${#files_missing_license_header[@]} > 0)); then

		printf '\nFollowing files are missing SPDX-license header:\n'

		printf '  @%s\n' "${files_missing_license_header[@]}"

		printf '\nExample:\n'

		printf '  #  %s\n' "${hint[@]}"

		return 1

	fi

	printf 'OK\n'

}

rc=0

check_permissions || rc=1

check_changelog || rc=1

check_json_rpc || rc=1

check_rpc_args || rc=1

check_spdx_lic || rc=1

exit $rc