Enhance util/openssl-update-copyright shell script
Avoid creating repeated year ranges <current_year>-<current_year> for
documents which were added in the current year.
Use extended regular expressions for better readability (less quoting)
Use a shebang line which is more portable
-#!/bin/bash
+#!/usr/bin/env bash
#
# Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
#
@@ -12,12 +12,17 @@ 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}"
-search="Copyright \(([cC]) \)\?\(${some_year}\)\(-${some_year}\)\? ${copyright_owner}"
-replace="Copyright \1\2-${this_year} ${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
@@ -47,9 +52,9 @@ for arg in "$@"; do
;;
*)
if [ -f "$arg" ]; then
- sed -i "s/${search}/${replace}/g" "$arg"
+ sed -E -i "${sed_script}" "$arg"
elif [ -d "$arg" ]; then
- find "$arg" -name '.[a-z]*' -prune -o -type f -exec sed -i "s/${search}/${replace}/g" {} +
+ find "$arg" -name '.[a-z]*' -prune -o -type f -exec sed -E -i "${sed_script}" {} +
else
echo "$arg: no such file or directory" >&2
fi
