1#!/usr/bin/env sh 2# 3# SPDX-License-Identifier: GPL-2.0-only 4 5# DESCR: Check for non-ASCII and unprintable characters 6 7LINTDIR="$( 8 cd -- "$(dirname "$0")" > /dev/null 2>&1 || return 9 pwd -P 10)" 11 12# shellcheck source=helper_functions.sh 13. "${LINTDIR}/helper_functions.sh" 14 15INCLUDED_FILES='\.[chsS]$\|\.asl$\|\.cb$\|\.inc$\|Kconfig\|\.ld$|\.txt\|\.hex' 16EXCLUDED_DIRS='^payloads/external/\|^src/vendorcode/\|^Documentation/' 17EXCLUDED_FILES='to-wiki/towiki\.sh$\|vga/vga_font\|video/font\|PDCurses.*x11' 18EXCLUDED_PHRASES='Copyright\|Ported to\|Intel®\|°C\|°F\|Athlon™\|Copyright.*©' 19 20# Exit if the code isn't in a git repo 21if [ "${IN_GIT_TREE}" -eq 0 ]; then 22 exit 0 23fi 24 25# 1. Get the list of files to parse and send them through grep 26# 2. Find any characters that aren't TAB, or space (0x20) to ~ (0x7F) 27# LF (0x10) isn't included, as it ends the grep line 28# 3. Remove common phrases and names that have been found 29# 4. Run the result through grep again to highlight the issues that were 30# found. Without this step, the characters can be difficult to see. 31# shellcheck disable=SC2046 32${GREP_FILES} -lP "[^\t-~]" | \ 33 grep "$INCLUDED_FILES" | \ 34 grep -v "$EXCLUDED_DIRS" | \ 35 grep -v "$EXCLUDED_FILES" | \ 36 xargs -I % \ 37 grep -n "[^ -~]" % | \ 38 grep -iv "$EXCLUDED_PHRASES" | \ 39 grep --color='auto' "[^ -~]" 40