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#!/usr/bin/perl
=head1 NAME
dh_builddeb - build Debian binary packages
=cut
use strict;
use warnings;
use Debian::Debhelper::Dh_Lib;
=head1 SYNOPSIS
B<dh_builddeb> [S<I<debhelper options>>] [B<--destdir=>I<directory>] [B<--filename=>I<name>] [S<B<--> I<params>>]
=head1 DESCRIPTION
B<dh_builddeb> simply calls L<dpkg-deb(1)> to build a Debian package or
packages. It will also build packages for ddebs when L<dh_strip(1)>
and L<dh_gencontrol(1)> have prepared them.
It supports building multiple binary packages in parallel, when enabled by
DEB_BUILD_OPTIONS.
=head1 OPTIONS
=over 4
=item B<--destdir=>I<directory>
Use this if you want the generated F<.deb> files to be put in a directory
other than the default of "F<..>".
=item B<--filename=>I<name>
Use this if you want to force the generated .deb file to have a particular
file name. Does not work well if more than one .deb is generated!
=item B<--> I<params>
Pass I<params> to L<dpkg-deb(1)> when it is used to build the
package.
=item B<-u>I<params>
This is another way to pass I<params> to L<dpkg-deb(1)>.
It is deprecated; use B<--> instead.
=back
=cut
init(options => {
"filename=s" => \$dh{FILENAME},
"destdir=s" => \$dh{DESTDIR},
});
# Set the default destination directory.
if (! defined $dh{DESTDIR}) {
$dh{DESTDIR}='..';
}
if (! defined $dh{FILENAME}) {
$dh{FILENAME}='';
}
else {
$dh{FILENAME}="/$dh{FILENAME}";
}
my $max_procs=get_buildoption("parallel") || 1;
my $processes=1;
my $exit=0;
sub reap {
if (wait == -1) {
$processes=0;
}
else {
$processes--;
$exit=1 if $? != 0;
}
}
sub default_compressor_args {
my ($default_comp, @args) = @_;
for my $arg (@args) {
# Explicit compressor arg given
return @args if $arg =~ m/^-Z/;
}
return (@{$default_comp}, @args);
}
sub build_and_rename_deb {
my ($package, $destdir, $cmd, $rename_sub) = @_;
my $build_dir = "debian/.debhelper/scratch-space/build-${package}";
my ($dpkg_filename, $desired_filename);
if ( ! -d $build_dir) {
install_dir($build_dir);
}
doit(@${cmd}, $build_dir);
opendir(my $fd, $build_dir);
for my $name (readdir($fd)) {
next if $name eq '.' or $name eq '..';
if ($dpkg_filename) {
error("\"@{$cmd}\" produced two debs: $dpkg_filename and $name");
}
$dpkg_filename = $name;
}
closedir($fd);
local $_ = $dpkg_filename;
$rename_sub->();
$desired_filename = $_;
if ($desired_filename ne $dpkg_filename) {
print "\tRenaming $dpkg_filename to $desired_filename\n";
}
doit('mv', '-f', "${build_dir}/${dpkg_filename}",
"${destdir}/${desired_filename}");
}
foreach my $package (@{$dh{DOPACKAGES}}) {
my $pid=fork();
if (! defined $pid) {
error("fork failed! $!");
}
if ($pid) { # parent
$processes++;
reap while $processes > $max_procs;
next;
}
# child
my $tmp=tmpdir($package);
my $ddeb_tmpdir = "debian/.debhelper/${package}/ddeb-root";
if (exists $ENV{DH_ALWAYS_EXCLUDE} && length $ENV{DH_ALWAYS_EXCLUDE}) {
if (! compat(5)) {
complex_doit("find $tmp $dh{EXCLUDE_FIND} | xargs rm -rf");
}
else {
# Old broken code here for compatibility. Does not
# remove everything.
complex_doit("find $tmp -name $_ | xargs rm -rf")
foreach split(":", $ENV{DH_ALWAYS_EXCLUDE});
}
}
if ( -d $ddeb_tmpdir) {
my $ddeb_control = "${ddeb_tmpdir}/DEBIAN/control";
# Only build the ddeb if it has a control file. People might
# have skipped dh_gencontrol.
if ( -f $ddeb_control ) {
# XXX: Should we blindly overrule the maintainer here? It
# is not apparent that their explicit -z was intended for
# the ddeb.
my @args = default_compressor_args(["-z1", "-Zxz", "-Sextreme"],
@{$dh{U_PARAMS}});
doit("dpkg-deb", @args,
"--build", $ddeb_tmpdir, $dh{DESTDIR});
} elsif (not is_udeb($package)) {
warning("Not building ddeb for ${package} as it has no control file");
warning("Please use dh_gencontrol to avoid this issue");
}
}
if (! is_udeb($package)) {
doit("dpkg-deb", @{$dh{U_PARAMS}}, "--build", $tmp, $dh{DESTDIR}.$dh{FILENAME});
}
else {
my $filename=$dh{FILENAME};
my @cmd = qw(dpkg-deb -z1 -Zxz -Sextreme);
push(@cmd, @{$dh{U_PARAMS}}) if $dh{U_PARAMS};
push(@cmd, '--build', $tmp);
if (! $filename) {
# dpkg-gencontrol does not include "Package-Type" in the
# control file (see #575059, #452273) for political
# reasons.
#
# dh_builddeb used to guess the "correct" filename, but it
# fell short when dpkg-gencontrol -V was used. The best
# solution so far: Let dpkg-deb build the deb and
# have dh_builddeb fix the extension.
build_and_rename_deb($package, $dh{DESTDIR}, \@cmd,
sub { s/\.deb$/\.udeb/g });
} else {
doit(@cmd, $dh{DESTDIR}.$filename);
}
}
exit 0;
}
reap while $processes;
exit $exit;
=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:
|
