Revise version message in gatekeeper

This brings the output of ./gatekeeper.pl --version in line with current
GNU standards and moves the copyright notice to the top of the file so
Emacs can easily find it for future updates.

diff --git a/gatekeeper.pl b/gatekeeper.pl
index d6c41ec1be8e23a8f1195fbb7e375b21fe61c087..34ed24c19088f3862029ea57c1e7b59db499308d 100755 (executable)
--- a/gatekeeper.pl
+++ b/gatekeeper.pl
@@ -1,7 +1,24 @@
 #!/usr/bin/perl -Tw
 
-# This program is free software;
-# see the "LICENSE" POD section at the end for the full details.
+use strict;
+use warnings;
+
+use constant VERSION_MESSAGE => <<'EOM';
+GNU Secure Software Gatekeeper 0.9-pre
+Copyright (C) 2003-2017 Free Software Foundation <sysadmin@gnu.org>
+Copyright (C) 2020-2023 Jacob Bachmeyer <jcb@gnu.org>
+License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.
+See the LICENSE section in the embedded documentation for the full boilerplate.
+See the AUTHORS section in the embedded documentation for authorship details.
+
+Protocol versions supported:  1.1 - 1.2
+
+More information at:
+    http://www.gnu.org/prep/maintain/html_node/Automated-FTP-Uploads.html
+
+EOM
 
 =head1 NAME
 
@@ -165,10 +182,7 @@ to send email.
 # SHELL=/bin/bash
 # * *     * * *     gatekpr   /home/gatekpr/upload-ftp.pl -s ftp; /home/gatekpr/upload-alpha.pl -s alpha; /home/gatekpr/upload-distros.pl -s distros
 
-use strict;
-use warnings;
-
-use constant ();       # load this now for use in later BEGIN blocks
+use constant ();       # ensure this is loaded for use in later BEGIN blocks
 
 use Carp qw(cluck);    # for stack trace on error in ftp_syslog
 
@@ -214,17 +228,6 @@ BEGIN {
   delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
 }
 
-my $NAME = 'gatekeeper.pl';
-my $VERSION = '1.2'; # This is the protocol version
-my $DATE = '2017/09/14 12:42:38';
-my $COPYRIGHT_NOTICE = <<'END';
-Copyright (C) 2003-2017 Free Software Foundation <sysadmin@gnu.org>
-Copyright (C) 2020-2023 Jacob Bachmeyer <jcb@gnu.org>
-END
-my $LICENSE = "GPLv3 or later - http://www.fsf.org/licenses/gpl.txt";
-my $URL =
-  "http://www.gnu.org/prep/maintain/html_node/Automated-FTP-Uploads.html";
-
 BEGIN {
   my $ZONE = '';
   my $want_help = '';
@@ -277,15 +280,11 @@ BEGIN {
 }
 
 if (WANT_VERSION) {
-  print "\nThis is $NAME protocol version $VERSION ($DATE)\n";
-  print $COPYRIGHT_NOTICE;
-  print "License: $LICENSE\n";
-  print "More information at $URL\n\n";
-  print 'Running in ', (IN_TEST_MODE ? 'testing' : 'production'),
-    " mode with PATH:\n  ", $ENV{PATH}, "\n\n";
-  print 'Running with @INC:', "\n";
-  print "  $_\n" for @INC;
-  print "\n";
+  my $message = VERSION_MESSAGE;
+  # per standards.texi, "Standards for Command-Line Interfaces", "--version",
+  # prune all copyright notices to display only the last year
+  $message =~ s/(\(C\))[^[:alpha:]]*[^[:digit:]]([[:digit:]]+\s)/$1 $2/g;
+  print $message;
   exit 0;
 }