cp replace.pl and update-copyrights.sh from hush3

util/replace.pl

@@ -0,0 +1,42 @@
+#!/usr/bin/perl
+# Copyright (c) 2016-2023 The Hush developers
+# Distributed under the GPLv3 software license, see the accompanying
+# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
+
+use strict;
+use warnings;
+use autodie;
+use Data::Dumper;
+my ($find,$replace,@files) = @ARGV;
+
+usage() unless $find && defined $replace;
+unless( @files ) {
+    printf "No files to replace stuff!";
+    exit 0;
+}
+
+my $fh;
+print "Going to replace $find with $replace in " . scalar(@files) . " files\n";
+
+for my $file (@files) {
+    if (-d $file) {
+        printf "Skipping directory $file\n";
+        next;
+    }
+    unless ( -e $file ) {
+        printf "$file does not exist!\n";
+        next;
+    }
+    open $fh, '<', $file;
+    my $content = join('',<$fh>);
+    $content =~ s/\Q$find\E/$replace/g;
+    close $fh;
+
+    open $fh, '>', $file;
+    print $fh $content;
+    close $fh;
+}
+
+sub usage {
+    die "$0 stringtofind stringtoreplace file [more files...]\n";
+}

util/update-copyrights.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Copyright (c) 2016-2023 The Hush developers
+# Released under the GPLv3
+
+# Usage: update-copyrights.sh 2021 2022
+# TODO: verify $1 and $2 exist
+# TODO: verify ack and xargs exist on this system
+
+# This update comments in source code
+ack -l -i "20..-20..*Hush dev" | xargs ./util/replace.pl -$1 -$2
+
+# This updates the define which is used by C++ help output
+./util/replace.pl "COPYRIGHT_YEAR $1" "COPYRIGHT_YEAR $2" src/clientversion.h
+./util/replace.pl "COPYRIGHT_YEAR, $1" "COPYRIGHT_YEAR, $2" configure.ac