looks-hammy

#!/usr/bin/perl -wT

#
# Copyright 2015 by Christian Jaeger, ch at christianjaeger ch
# Published under the same terms as perl itself
#
(my $email='ch%christianjaeger,ch')=~ tr/%,/@./;

use strict; use warnings FATAL => 'uninitialized';

use Cwd 'abs_path';
our ($mydir, $myname); BEGIN {
    my $location= (-l $0) ? abs_path ($0) : $0;
    $location=~ /(.*?)([^\/]+?)_?\z/s or die "?";
    ($mydir, $myname)=($1,$2);
}
use lib "$mydir/lib";

use lib "$mydir/functional-perl/lib";

use Carp;
use Chj::Backtrace;
#use Chj::WithRepl qw(push_withrepl WithRepl_eval);
#push_withrepl (0) if $DEBUG;
use Mailmover::MailHead;
use Chj::xopen qw(glob_to_fh);

our $cut_off_score= 2;

sub usage {
    print STDERR map{"$_\n"} @_ if @_;
    print "$myname source [cut-off-score]

  source: file path or '-' for stdin; in the latter case the
          filehandle is rewound, so that $myname can be used in .qmail
          files

  cut-off-score: below which score to return success (default: $cut_off_score)

  (Christian Jaeger <$email>)
";
exit @_ ? 1 : 0;
}

usage "wrong number of arguments" unless (@ARGV==2 or @ARGV==1);

my ($source,$maybe_cut_off_score)= @ARGV;

usage if ($source eq "--help" or $source eq "-h");
# XX hmm, and now need "--" quoting as *always*?

$cut_off_score= $maybe_cut_off_score if defined $maybe_cut_off_score;
# XX check if number?

my $head= do {
    if ($source eq "-") {
        my $in= glob_to_fh *STDIN;
        my $h= Mailmover::MailHead->new_from_fh($in);
        $in->xrewind;
        $h
    } else {
        Mailmover::MailHead->new_from_path($source);
    }
};

if (defined (my $score= $head->maybe_spamscore)) {
    exit ($score < $cut_off_score ? 0 : 1);
} else {
    warn "message does not contain a spam score; be safe and exit 1";
    exit 1
}