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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
# Arjan Oosting <arjan@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 List::SomeUtils qw(uniq);
use Path::Tiny;
use Debian::Debhelper::Dh_Lib;
const my $SPACE => q{ };
const my $COMMA => q{,};
const my $NEWLINE => qq{\n};
init();
for my $installable (@{ $dh{DOPACKAGES} }) {
my @suggests;
for my $suffix (qw{prof doc}) {
my $candidate = $installable;
$candidate =~ s{ - [^-]+ $}{-$suffix}x;
push(@suggests, $candidate)
if system(qw{grep-dctrl --quiet --field=Package},
$candidate, 'debian/control')== 0;
}
# fix sort order
local $ENV{LC_ALL} = 'C.UTF-8';
my $substvars_path = "debian/$installable.substvars";
replace_line($substvars_path, 'haskell:Suggests',
join($COMMA . $SPACE, (sort +uniq @suggests)));
}
exit;
sub replace_line {
my ($path, $field, $value) = @_;
path($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_suggests - calculates Haskell dependencies on Cabalized libraries
=head1 SYNOPSIS
B<dh_haskell_suggests> [S<I<debhelper options>>]
=head1 DESCRIPTION
dh_haskell_suggests is a debhelper program that helps with calculating dependencies
for building Haskell libraries.
=head1 SEE ALSO
L<debhelper(7)>
=head1 AUTHOR
John Goerzen <jgoerzen@complete.org>
Based on ideas in dh_python by Josselin Mouette <joss@debian.org>
=cut
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
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