posix-modules: Ignore backup files of documentation files.

[gnulib.git] / build-aux / update-copyright

diff --git a/build-aux/update-copyright b/build-aux/update-copyright
index 2480142..28ff441 100755 (executable)
--- a/build-aux/update-copyright
+++ b/build-aux/update-copyright
@@ -1,9 +1,11 @@
-#!/usr/bin/perl -0777 -pi
+eval '(exit $?0)' && eval 'exec perl -wS -0777 -pi "$0" ${1+"$@"}'
+  & eval 'exec perl -wS -0777 -pi "$0" $argv:q'
+    if 0;
 # Update an FSF copyright year list to include the current year.
 
-my $VERSION = '2009-09-09.22:00'; # UTC
+my $VERSION = '2009-12-28.11:09'; # UTC
 
-# Copyright (C) 2009 Free Software Foundation, Inc.
+# Copyright (C) 2009-2010 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -112,6 +114,8 @@ my $VERSION = '2009-09-09.22:00'; # UTC
 #      are expanded instead.
 #   3. For testing purposes, you can set the assumed current year in
 #      UPDATE_COPYRIGHT_YEAR.
+#   4. The default maximum line length for a copyright line is 72.
+#      Set UPDATE_COPYRIGHT_MAX_LINE_LENGTH to use a different length.
 
 use strict;
 use warnings;
@@ -120,7 +124,10 @@ my $copyright_re = 'Copyright';
 my $circle_c_re = '(?:\([cC]\)|@copyright{}|©)';
 my $holder = 'Free Software Foundation, Inc.';
 my $prefix_max = 5;
-my $margin = 72;
+my $margin = $ENV{UPDATE_COPYRIGHT_MAX_LINE_LENGTH};
+!$margin || $margin !~ m/^\d+$/
+  and $margin = 72;
+
 my $tab_width = 8;
 
 my $this_year = $ENV{UPDATE_COPYRIGHT_YEAR};
@@ -249,6 +256,7 @@ else
   }
 
 # Local variables:
+# mode: perl
 # indent-tabs-mode: nil
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "my $VERSION = '"