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find_licenses_and_unused.sh
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find_licenses_and_unused.sh
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#!/bin/bash
#
# Copyright (c) 2018 embedded brains GmbH. All rights reserved.
#
# embedded brains GmbH
# Dornierstr. 4
# 82178 Puchheim
# Germany
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# exit on wrong command and undefined variable
set -e
set -u
set -o pipefail
SCRIPTNAME=$0
TARGET="freebsd/"
SOURCE="freebsd-org/"
LIST="libbsd.py"
FORCE=0
printhelp () {
echo ""
echo "Call: ${SCRIPTNAME} <options>"
echo "1. Find LICENSE files for each file in \"${TARGET}\" if the"
echo " license file is not in ${LIST}."
echo "2. Find all files in \"${TARGET}\" that are not in \"${LIST}\"."
echo " Note: This function currently prints a lot of generated files too."
echo "Reccomended usage:"
echo "./${SCRIPTNAME} | sort | uniq"
echo ""
echo "The following parameters are optional:"
echo " -h Print this help and exit the script."
echo " -f Force printing all license files."
echo " -v Be more verbose. Can be used multiple times."
exit 0
}
while getopts "hfv" OPTION
do
case ${OPTION} in
h) printhelp ;;
f) FORCE=1 ;;
\?) echo "Unknown option \"-${OPTARG}\"."
exit 1 ;;
:) echo "Option \"-${OPTARG}\" needs an argument."; exit 1 ;;
esac
done
shift $((${OPTIND} - 1))
checkfile () {
local FILE="$1"
local FILE_WITHOUT_PATH=${FILE#"$TARGET"}
local LICENSE=""
grep "${FILE_WITHOUT_PATH}" "${LIST}" > /dev/null || \
echo "File not in ${LIST}: ${FILE_WITHOUT_PATH}"
local DIR="${SOURCE}`dirname ${FILE_WITHOUT_PATH}`"
while [ "$DIR" != "." ]
do
local MAYBELICENSE="${DIR}/LICENSE*"
if [ -e ${MAYBELICENSE} ]
then
LICENSE=`ls ${MAYBELICENSE}`
break
fi
local MAYBELICENSE="${DIR}/COPY*"
if [ -e ${MAYBELICENSE} ]
then
LICENSE=`ls ${MAYBELICENSE}`
break
fi
DIR="`dirname ${DIR}`"
done
if [ "${LICENSE}" != "" ]
then
local LICENSE_WITHOUT_PATH=${LICENSE#"$SOURCE"}
if grep "${LICENSE_WITHOUT_PATH}" "${LIST}" > /dev/null
then
if [ ${FORCE} -ne 0 ]
then
echo "License file found: ${LICENSE}"
fi
else
echo "New license file found: ${LICENSE}"
fi
fi
}
export -f checkfile
export TARGET
export SOURCE
export LIST
export FORCE
find ${TARGET} -name "*\.[ch]" -exec bash -c 'checkfile "$0"' {} \;