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#!/usr/bin/perl
# Copyright © 2022 Felix Lechner <felix.lechner@lease-up.com>
#
# based on a shell script by the same name
# Joachim Breitner <nomeata@debian.org>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
use v5.20;
use warnings;
use utf8;
use Const::Fast;
use Path::Tiny;
use Unicode::UTF8 qw(encode_utf8);
use Debian::Debhelper::Buildsystem::Haskell::Recipes qw(run);
use Debian::Debhelper::Dh_Lib;
const my $EMPTY => q{};
const my $NEWLINE => qq{\n};
init();
# see Bug#1009162
my $description = get_source_field('Description');
# otherwise try X-Description
$description ||= get_source_field('X-Description');
my ($short_description, $long_description) = split(m{\n}, $description, 2);
$short_description //= $EMPTY;
$long_description //= $EMPTY;
# drop initial spaces
$long_description =~ s{^ [ ] }{}gmx;
# drop dot placeholder for empty lines
$long_description =~ s{^ [.] $}{}gmx;
# prepare for dpkg-gencontrol
$long_description =~ s{ \n }{\$\{Newline\}}gx;
for my $installable (@{ $dh{DOPACKAGES} }) {
my $substvars_path = "debian/$installable.substvars";
replace_line($substvars_path, 'haskell:ShortDescription',
$short_description);
replace_line($substvars_path, 'haskell:LongDescription',$long_description);
}
exit;
sub get_source_field {
my ($name) = @_;
die encode_utf8('grep-dctrl is missing')
unless system('command -v grep-dctrl > /dev/null') == 0;
# need regex to avoid the empty string, which would be filtered by run()
my $value= run(
qw{grep-dctrl --no-field-names},
"--show-field=$name",
qw{--field=Source --regex .* debian/control}
);
chomp $value;
return $value;
}
sub replace_line {
my ($path, $field, $value) = @_;
$value //= $EMPTY;
path($path)->touch;
my @lines = grep { !m{^ $field = }x } path($path)->lines_utf8;
push(@lines, "$field=$value" . $NEWLINE);
path($path)->spew_utf8(@lines);
return;
}
=head1 NAME
dh_haskell_description - store Haskell package descriptions info in substvars
=head1 SYNOPSIS
B<dh_haskell_description> [S<I<debhelper options>>]
=head1 DESCRIPTION
dh_haskell_description is a Debhelper program that stores package descriptions in substvars.
You can use it like this: C<${haskell:ShortDescription}>
or like that: C<${haskell:LongDescription}>
=head1 SEE ALSO
L<debhelper(7)>
=head1 AUTHOR
Joachim Breitner <nomeata@debian.org>
=cut
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
|
