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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 Debian::Debhelper::Buildsystem::Haskell::Recipes qw(
run
installable_hc
);
use Debian::Debhelper::Dh_Lib;
const my $EMPTY => q{};
const my $NEWLINE => qq{\n};
init();
for my $installable (@{ $dh{DOPACKAGES} }) {
my $compiler = installable_hc($installable) || $ENV{DEB_DEFAULT_COMPILER};
unless (length $compiler) {
warning("No Haskell compiler for installable $installable.");
next;
}
my $version= run(qw{dpkg-query --showformat=${Version} --show}, $compiler);
chomp $version;
unless (length $version) {
warning("No version for Haskell compiler $compiler");
next;
}
# strip Debian revision
$version =~ s{ - [^-]+ $}{}x;
my $substvars_path = "debian/$installable.substvars";
replace_line($substvars_path, "haskell:$compiler-version",
"$compiler (>= $version), $compiler (<< $version+)");
}
exit;
sub replace_line {
my ($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_compiler - store Haskell compiler info in substvars
=head1 SYNOPSIS
B<dh_haskell_compiler> [S<I<debhelper options>>]
=head1 DESCRIPTION
dh_haskell_compiler is a Debhelper program that stores information about Haskell compilers in substvars.
You can use it like this: C<${haskell:ghc-version}>
=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
|
