#!/bin/sh # This file is part of the coreboot project. # # Copyright (C) 2010 coresystems GmbH # Copyright (C) 2016 Google Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; version 2 of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # # DESCR: Check that files in have valid license headers # $1 is an optional command line parameter containing directories to check # regex list of files and directories to exclude from the search HEADER_EXCLUDED="\ ^src/vendorcode/|\ ^util/kconfig/|\ ^util/romcc/tests|\ ^util/romcc/results|\ ^util/gitconfig|\ Kconfig|\ \<COPYING\>|\ \<LICENSE\>|\ \<README\>|\ Changelog|\ TODO|\ EXAMPLE|\ \.txt$|\ \.jpg$|\ \.cksum$|\ \.bin$|\ \.hex$|\ \.patch$|\ _shipped$|\ /microcode-[^/]*.h$|\ /sdram-.*\.inc$|\ Makefile\.inc|\ \.fmd|\ \.cb|\ \.cfg$|\ \.spd|\ config|\ cmos\.layout|\ cmos\.default\ " #space separated list of directories to test if [ "$1" = "" ]; then HEADER_DIRS="src util" else HEADER_DIRS="$1" fi LC_ALL=C export LC_ALL #get initial list from git, removing HEADER_EXCLUDED files. #make a copy to check for the old style header later. headerlist=$(git ls-files $HEADER_DIRS | egrep -v "($HEADER_EXCLUDED)") #update headerlist by removing files that match the license string check_for_license() { if [ -n "$headerlist" ] && [ -z "$2" ]; then headerlist="$(grep -iL "$1" $headerlist 2>/dev/null)" elif [ -n "$headerlist" ]; then p1list="$(grep -il "$1" $headerlist 2>/dev/null)" p2list="$(grep -il "$2" $headerlist 2>/dev/null)" # Make list of files that were in both previous lists pbothlist="$(echo $p1list $p2list | tr ' ' "\n" | \ sort | uniq -d)" # Remove all files that were in both of the previous lists # Note that this is unstable if we ever get any filenames # with spaces. headerlist="$(echo $headerlist $pbothlist | tr ' ' "\n" | \ sort | uniq -u)" fi } #search the files for license headers check_for_license "under the terms of the GNU General Public License" \ "WITHOUT ANY WARRANTY" check_for_license 'IS PROVIDED .*"AS IS"' check_for_license 'IS DISTRIBUTED .*"AS IS"' check_for_license "IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE" check_for_license '"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES' check_for_license 'No license required' for file in $headerlist; do # Verify the file exists, and has content that requires a header # This assumes that a file that has 4 lines or fewer is not notable # enough to require a license. if [ -f "$file" ] && [ "$(wc -l < "$file")" -gt 4 ]; then echo "$file has no recognized license header." fi done