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#!/usr/bin/perl
=head1 NAME
dh_gencontrol - generate and install control file
=cut
use strict;
use warnings;
use Debian::Debhelper::Dh_Lib;
=head1 SYNOPSIS
B<dh_gencontrol> [S<I<debhelper options>>] [S<B<--> I<params>>]
=head1 DESCRIPTION
B<dh_gencontrol> is a debhelper program that is responsible for generating
control files, and installing them into the I<DEBIAN> directory with the
proper permissions.
This program is merely a wrapper around L<dpkg-gencontrol(1)>, which
calls it once for each package being acted on (plus related ddebs),
and passes in some additional useful flags.
B<Note> that if you use B<dh_gencontrol>, you must also use
L<dh_builddeb(1)> to build the packages. Otherwise, your build may
fail to build as B<dh_gencontrol> (via L<dpkg-gencontrol(1)>) declares
which packages are built. As debhelper automatically generates ddebs,
it some times adds additional packages, which will be built by L<dh_builddeb(1)>.
=head1 OPTIONS
=over 4
=item B<--> I<params>
Pass I<params> to L<dpkg-gencontrol(1)>.
=item B<-u>I<params>, B<--dpkg-gencontrol-params=>I<params>
This is another way to pass I<params> to L<dpkg-gencontrol(1)>.
It is deprecated; use B<--> instead.
=back
=cut
init(options => {
"dpkg-gencontrol-params=s", => \$dh{U_PARAMS},
});
my $src_pkg;
foreach my $package (@{$dh{DOPACKAGES}}) {
my $tmp=tmpdir($package);
my $ext=pkgext($package);
my $ddeb_info_dir = "debian/.debhelper/${package}";
my $ddeb_tmp = "${ddeb_info_dir}/ddeb-root";
my $substvars="debian/${ext}substvars";
my $changelog=pkgfile($package,'changelog');
if (! $changelog) {
$changelog='debian/changelog';
}
if ( ! -d "$tmp/DEBIAN" ) {
install_dir("$tmp/DEBIAN");
}
# avoid gratuitous warning
if (! -e $substvars || system("grep -q '^misc:Depends=' $substvars") != 0) {
complex_doit("echo misc:Depends= >> $substvars");
}
# avoid (another) gratuitous warning
if (! -e $substvars || system("grep -q '^misc:Pre-Depends=' $substvars") != 0) {
complex_doit("echo misc:Pre-Depends= >> $substvars");
}
if ( -d $ddeb_tmp) {
my $multiarch = package_multiarch($package);
my $replaces = read_ddeb_migration($ddeb_info_dir);
$src_pkg = sourcepackage() if not defined($src_pkg);
# Remove and override more or less every standard field.
my @ddeb_options = (qw(
-UPre-Depends -URecommends -USuggests -UEnhances -UProvides -UEssential
-UConflicts -DPriority=extra -DSection=debugsym
),
"-DPackage=${package}-dbgsym",
"-DDepends=${package} (= \${binary:Version})",
"-DDescription=Debug symbols for ${package}",
"-DSource=${src_pkg}",
);
# Disable multi-arch unless the original package is an
# multi-arch: same package. In all other cases, we do not
# need a multi-arch value.
if ($multiarch ne 'same') {
push(@ddeb_options, '-UMulti-Arch');
}
# If the ddeb is replacing an existing -dbg package, then
# declare the necessary Breaks + Replaces. Otherwise, clear
# the fields.
if ($replaces) {
push(@ddeb_options, "-DReplaces=${replaces}",
"-DBreaks=${replaces}");
} else {
push(@ddeb_options, '-UReplaces', '-UBreaks');
}
if ( ! -d "${ddeb_tmp}/DEBIAN" ) {
install_dir("${ddeb_tmp}/DEBIAN");
}
doit("dpkg-gencontrol", "-p${package}", "-l$changelog", "-T$substvars",
"-P${ddeb_tmp}",@{$dh{U_PARAMS}}, @ddeb_options);
doit("chmod","0644","${ddeb_tmp}/DEBIAN/control");
doit("chown","0:0","${ddeb_tmp}/DEBIAN/control");
}
# Generate and install control file.
doit("dpkg-gencontrol", "-p$package", "-l$changelog", "-T$substvars",
"-P$tmp",@{$dh{U_PARAMS}});
# This chmod is only necessary if the user sets the umask to
# something odd.
doit("chmod","0644","$tmp/DEBIAN/control");
doit("chown","0:0","$tmp/DEBIAN/control");
}
sub read_ddeb_migration {
my ($ddeb_info_dir) = @_;
my $ddeb_migration = "${ddeb_info_dir}/ddeb-migration";
my $result;
if (-f $ddeb_migration) {
open(my $fd, '<', $ddeb_migration)
or error("open $ddeb_migration failed: $!");
chomp($result = <$fd>);
close($fd);
}
return $result;
}
=head1 SEE ALSO
L<debhelper(7)>
This program is a part of debhelper.
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut
# Local Variables:
# indent-tabs-mode: t
# tab-width: 4
# cperl-indent-level: 4
# End:
|
