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# Copyright (C) 2019 Felix Lechner
#
# 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, you can find it on the World Wide
# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA
package Test::ScriptAge;
=head1 NAME
Test::ScriptAge -- routines relating to the age of Perl scripts
=head1 SYNOPSIS
my $executable_epoch = Test::ScriptAge::our_modification_epoch();
print encode_utf8('This script was last modified at ' . localtime($executable_epoch) . "\n");
my $perl_epoch = Test::ScriptAge::perl_modification_epoch();
print encode_utf8('Perl was last modified at ' . localtime($perl_epoch) . "\n");
=head1 DESCRIPTION
Routines to calculated modification times of Perl scripts.
=cut
use v5.20;
use warnings;
use utf8;
use Exporter qw(import);
BEGIN {
our @EXPORT_OK = qw(
perl_modification_epoch
our_modification_epoch
);
}
use File::stat;
use File::Spec::Functions qw(rel2abs);
use List::Util qw(max);
use Path::Tiny;
use Unicode::UTF8 qw(encode_utf8);
=head1 FUNCTIONS
=over 4
=item perl_modification_epoch
Calculate the time our Perl was last modified.
=cut
sub perl_modification_epoch {
my $perlpath = rel2abs($^X);
return stat($perlpath)->mtime;
}
=item our_modification_epoch
Calculate the time our scripts, including all libraries, was last modified.
=cut
sub our_modification_epoch {
my (undef, $callerpath, undef) = caller;
my @paths = map { rel2abs($_) } ($callerpath, values %INC);
if (my @relative = grep { !/^\// } @paths){
warn encode_utf8(
'Relative paths in running_epoch: '.join(', ', @relative));
}
my @epochs = map { path($_)->stat->mtime } @paths;
return max @epochs;
}
=back
=head1 AUTHOR
Originally written by Felix Lechner <felix.lechner@lease-up.com> for Lintian.
=head1 SEE ALSO
lintian(1)
=cut
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
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