#!/usr/bin/env bash
# build-aux/linux-errno.txt.gen - Generate a listing of Linux kernel errnos
#
# Copyright (C) 2024  Luke T. Shumaker <lukeshu@lukeshu.com>
# SPDX-License-Identifier: AGPL-3.0-or-later

set -e
linux_git=${1:?}
outfile=${2:?}

(
	cd "${linux_git}"
	echo "# ${outfile} - Generated from $0 and linux.git $(git describe).  DO NOT EDIT!"
	git ls-files include/uapi/ | grep errno |
		xargs sed -nE 's,#\s*define\s+(E[A-Z0-9]+)\s+([0-9]+)\s+/\* (.*) \*/,\2 \1 \3,p' |
		sort --numeric-sort
) >"${outfile}"