1#!/usr/bin/env bash 2# 3# Copyright 2018 The OpenSSL Project Authors. All Rights Reserved. 4# 5# Licensed under the OpenSSL license (the "License"). You may not use 6# this file except in compliance with the License. You can obtain a copy 7# in the file LICENSE in the source distribution or at 8# https://www.openssl.org/source/license.html 9 10 11myname="$(basename $0)" 12 13this_year="$(date '+%Y')" 14some_year="[12][0-9][0-9][0-9]" 15year_range="(${some_year})(-${some_year})?" 16 17copyright_owner="The OpenSSL Project" 18copyright="Copyright .*${year_range} .*${copyright_owner}" 19 20# sed_script: 21# for all lines that contain ${copyright} : { 22# replace years yyyy-zzzz (or year yyyy) by yyyy-${this_year} 23# replace repeated years yyyy-yyyy by yyyy 24# } 25sed_script="/${copyright}/{ s/${year_range}/\1-${this_year}/ ; s/(${some_year})-\1/\1/ }" 26 27function usage() { 28 cat >&2 <<EOF 29usage: $myname [-h|--help] [file|directory] ... 30 31Updates the year ranges of all OpenSSL copyright statements in the given 32files or directories. (Directories are traversed recursively.) 33EOF 34} 35 36if [ $# -eq 0 ]; then 37 usage 38 exit 0 39fi 40 41 42for arg in "$@"; do 43 case $arg in 44 -h|--help) 45 usage 46 exit 0 47 ;; 48 -*) 49 echo -e "illegal option: $arg\n" >& 2 50 usage 51 exit 1 52 ;; 53 *) 54 if [ -f "$arg" ]; then 55 sed -E -i "${sed_script}" "$arg" 56 elif [ -d "$arg" ]; then 57 find "$arg" -name '.[a-z]*' -prune -o -type f -exec sed -E -i "${sed_script}" {} + 58 else 59 echo "$arg: no such file or directory" >&2 60 fi 61 ;; 62 esac 63done 64