#!/usr/bin/perl -w

# Copyright (C) 2000-2003 Simon Huggins
# asktag chooses a tag like catsig chooses a sig.

# 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 the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 59
# Temple Place, Suite 330, Boston, MA 02111-1307  USA

use strict;

return if $cfg{'notag'};
return unless $cfg{'asktag'};

open(SIG, "<$cfg{'tmpsigfile'}") or htagdie "$0: Could not open $cfg{'tmpsigfile'}: $!\n";
my @sig=<SIG>;
close(SIG);

chomp $sig[-1];
print STDERR @sig;
print STDERR "\n\nOK? ([Y]es/(n)ew Tag/(b)ack to start/(q)uit)\n";
$_ = <STDIN>;
return 255	if /^q(?:uit)?/i;
return 2	if /^b(?:ack)?/i;
return		if /^(?:y(?:es)?|\n)/i;

# Remove sig, and copy old sig (unmerged copy) back over the top
unlink($cfg{'tmpsigfile'}) or htagdie "Could not remove $cfg{'tmpsigfile'}: $!\n";
open(OLD, "$cfg{'tmpsigfile'}.old") or htagdie "Could not open old sigfile: $!\n";
my @oldsig = <OLD>;
close(OLD);

open(NEW, ">$cfg{'tmpsigfile'}") or htagdie "Can't write to sigfile: $!\n";
print NEW @oldsig;
close(NEW);

return 10;