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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 IPC::Run3;
use Path::Tiny;
use Unicode::UTF8 qw(encode_utf8);
use Cwd qw(abs_path);
use Debian::Debhelper::Buildsystem::Haskell::Recipes qw(run_quiet);
use Debian::Debhelper::Dh_Lib;
const my $EMPTY => q{};
const my $SPACE => q{ };
const my $COMMA => q{,};
const my $NEWLINE => qq{\n};
const my $NULL => qq{\0};
const my $WAIT_STATUS_SHIFT => 8;
init();
die encode_utf8('grep-dctrl is missing')
unless system('command -v grep-dctrl > /dev/null') == 0;
for my $installable (@{ $dh{DOPACKAGES} }) {
say encode_utf8(
"Finding all links in the documentation in installable $installable.");
my @links =split(
m{\n}x,
run_quiet(
'find', "debian/$installable",
qw{-name *.html -exec hxwls -r \{\} ;}
));
my @files;
for my $link (@links) {
# filter out fragment, too
next
unless $link =~ m{^ file:// ([^#]*) }x;
my $file = $1;
push(@files, $file);
}
my @absolute = uniq +grep { m{^ / }x } @files;
@absolute = map { abs_path($_) } @absolute;
# already in UTF-8
my $input_bytes = $EMPTY;
$input_bytes .= $_ . $NULL for @absolute;
my $stdout_bytes;
my $stderr_bytes;
my @combined = qw{xargs --null --no-run-if-empty dpkg --search};
run3(\@combined, \$input_bytes, \$stdout_bytes, \$stderr_bytes);
my $exitcode = $?;
my $status = ($exitcode >> $WAIT_STATUS_SHIFT);
# already in UTF-8
warn encode_utf8("Non-zero exit code $exitcode."). $NEWLINE. $stderr_bytes
if $exitcode;
my @lines = split(m{\n}, $stdout_bytes);
my @recommends;
for my $line (@lines) {
my ($origin) = split(m{:}, $line, 2);
next
unless length $origin;
push(@recommends, $origin);
}
my $dev = $installable;
$dev =~ s{ - [^-]+ $}{-dev}x;
push(@recommends, $dev)
if system(qw{grep-dctrl --quiet --field=Package},$dev, 'debian/control')
== 0;
# fix sort order
local $ENV{LC_ALL} = 'C.UTF-8';
my $substvars_path = "debian/$installable.substvars";
replace_line($substvars_path, 'haskell:Recommends',
join($COMMA . $SPACE, (sort +uniq @recommends)));
}
exit;
sub replace_line {
my ($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_recommends_documentation_references - calculates Haskell dependencies on Cabalized libraries
=head1 SYNOPSIS
B<dh_haskell_recommends_documentation_references> [S<I<debhelper options>>]
=head1 DESCRIPTION
dh_haskell_recommends_documentation_references 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
|
