openssl/util/openssl-update-copyright
2018-12-06 14:17:23 +01:00

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#!/usr/bin/env bash
#
# Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
myname="$(basename $0)"
this_year="$(date '+%Y')"
some_year="[12][0-9][0-9][0-9]"
year_range="(${some_year})(-${some_year})?"
copyright_owner="The OpenSSL Project"
copyright="Copyright .*${year_range} .*${copyright_owner}"
# sed_script:
# for all lines that contain ${copyright} : {
# replace years yyyy-zzzz (or year yyyy) by yyyy-${this_year}
# replace repeated years yyyy-yyyy by yyyy
# }
sed_script="/${copyright}/{ s/${year_range}/\1-${this_year}/ ; s/(${some_year})-\1/\1/ }"
function usage() {
cat >&2 <<EOF
usage: $myname [-h|--help] [file|directory] ...
Updates the year ranges of all OpenSSL copyright statements in the given
files or directories. (Directories are traversed recursively.)
EOF
}
if [ $# -eq 0 ]; then
usage
exit 0
fi
for arg in "$@"; do
case $arg in
-h|--help)
usage
exit 0
;;
-*)
echo -e "illegal option: $arg\n" >& 2
usage
exit 1
;;
*)
if [ -f "$arg" ]; then
sed -E -i "${sed_script}" "$arg"
elif [ -d "$arg" ]; then
find "$arg" -name '.[a-z]*' -prune -o -type f -exec sed -E -i "${sed_script}" {} +
else
echo "$arg: no such file or directory" >&2
fi
;;
esac
done