#!/bin/sh # # SPDX-License-Identifier: GPL-2.0-only # DESCR: Check that files in have valid license headers # $1 is an optional command line parameter containing directories to check # regex list of files and directories to exclude from the search HEADER_EXCLUDED="\ ^src/commonlib/bsd/lz4.c.inc\$|\ ^src/cpu/x86/16bit/entry16.inc\$|\ ^src/device/oprom/x86emu/|\ ^src/device/oprom/include/x86emu/|\ ^src/device/oprom/yabel/|\ ^src/drivers/intel/gma/drm_dp_helper.h\$|\ ^src/drivers/net/ne2k.c\$|\ ^src/drivers/xgi/common/initdef.h\$|\ ^src/drivers/xgi/common/vstruct.h\$|\ ^src/lib/gnat/|\ ^src/lib/lzmadecode.[ch]\$|\ ^src/lib/stack.c\$|\ ^src/vendorcode/|\ ^util/amdtools/example_input/|\ ^util/cbfstool/lzma/|\ ^util/cbfstool/lz4/|\ ^util/kconfig/|\ Kconfig|\ \<COPYING\>|\ \<LICENSE\>|\ \<README\>|\ Changelog|\ TODO|\ EXAMPLE|\ NEWS|\ ChangeLog|\ Dockerfile|\ \.in$|\ \.[18]$|\ \.md$|\ \.wiki$|\ \.xxdump$|\ \.spec$|\ \.txt$|\ \.jpg$|\ \.cksum$|\ \.bin$|\ \.vbt$|\ \.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 'SPDX-License-Identifier: Apache-2.0' check_for_license 'SPDX-License-Identifier: BSD-2-Clause' check_for_license 'SPDX-License-Identifier: BSD-3-Clause' check_for_license 'SPDX-License-Identifier: GPL-2.0-only' check_for_license 'SPDX-License-Identifier: GPL-2.0-or-later' check_for_license 'SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note' check_for_license 'SPDX-License-Identifier: GPL-3.0-only' check_for_license 'SPDX-License-Identifier: GPL-3.0-or-later' check_for_license 'SPDX-License-Identifier: HPND' check_for_license 'SPDX-License-Identifier: HPND-sell-variant' check_for_license 'SPDX-License-Identifier: ISC' check_for_license 'SPDX-License-Identifier: MIT' check_for_license 'SPDX-License-Identifier: X11' # This is 4 clause ("with advertising") but the University of Berkeley # declared that 4th clause void, see # ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change # With this, BSD-4-Clause-UC becomes GPLv2 compatible, and so SPDX doesn't # differentiate between this license with or without advertising. check_for_license 'SPDX-License-Identifier: BSD-4-Clause-UC' 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 SPDX identifier." fi done