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# Copyright © 2007 Colin Watson <cjwatson@debian.org>.
# Based on Dpkg::Source::Package::V3_0::git, which is:
# Copyright © 2007 Joey Hess <joeyh@debian.org>.
# Copyright © 2008 Frank Lichtenheld <djpig@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 2 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 <https://www.gnu.org/licenses/>.
=encoding utf8
=head1 NAME
Dpkg::Source::Package::V3::Bzr - class for source format 3.0 (bzr)
=head1 DESCRIPTION
This module provides a class to handle the source package format 3.0 (bzr).
B<Note>: This is a private module, its API can change at any time.
=cut
package Dpkg::Source::Package::V3::Bzr 0.01;
use strict;
use warnings;
use Cwd;
use File::Basename;
use File::Spec;
use File::Find;
use File::Temp qw(tempdir);
use Dpkg::Gettext;
use Dpkg::Compression;
use Dpkg::ErrorHandling;
use Dpkg::Source::Archive;
use Dpkg::Exit qw(push_exit_handler pop_exit_handler);
use Dpkg::Path qw(find_command);
use Dpkg::Source::Functions qw(erasedir);
use parent qw(Dpkg::Source::Package);
our $CURRENT_MINOR_VERSION = '0';
sub prerequisites {
return 1 if find_command('bzr');
error(g_('cannot unpack bzr-format source package because ' .
'bzr is not in the PATH'));
}
sub _check_workdir {
my $srcdir = shift;
if (! -d "$srcdir/.bzr") {
error(g_('source directory is not the top directory of a bzr repository (%s/.bzr not present), but Format bzr was specified'),
$srcdir);
}
# Symlinks from .bzr to outside could cause unpack failures, or
# point to files they shouldn't, so check for and don't allow.
if (-l "$srcdir/.bzr") {
error(g_('%s is a symlink'), "$srcdir/.bzr");
}
my $abs_srcdir = Cwd::abs_path($srcdir);
find(sub {
if (-l) {
if (Cwd::abs_path(readlink) !~ /^\Q$abs_srcdir\E(?:\/|$)/) {
error(g_('%s is a symlink to outside %s'),
$File::Find::name, $srcdir);
}
}
}, "$srcdir/.bzr");
return 1;
}
sub can_build {
my ($self, $dir) = @_;
return (0, g_("doesn't contain a bzr repository")) unless -d "$dir/.bzr";
return 1;
}
sub do_build {
my ($self, $dir) = @_;
my @argv = @{$self->{options}{ARGV}};
# TODO: warn here?
#my @tar_ignore = map { "--exclude=$_" } @{$self->{options}{tar_ignore}};
my $diff_ignore_regex = $self->{options}{diff_ignore_regex};
$dir =~ s{/+$}{}; # Strip trailing /
my ($dirname, $updir) = fileparse($dir);
if (scalar(@argv)) {
usageerr(g_("-b takes only one parameter with format '%s'"),
$self->{fields}{'Format'});
}
my $sourcepackage = $self->{fields}{'Source'};
my $basenamerev = $self->get_basename(1);
_check_workdir($dir);
my $old_cwd = getcwd();
chdir $dir or syserr(g_("unable to chdir to '%s'"), $dir);
local $_;
# Check for uncommitted files.
# To support dpkg-source -i, remove any ignored files from the
# output of bzr status.
open(my $bzr_status_fh, '-|', 'bzr', 'status')
or subprocerr('bzr status');
my @files;
while (<$bzr_status_fh>) {
chomp;
next unless s/^ +//;
if (! length $diff_ignore_regex ||
! m/$diff_ignore_regex/o) {
push @files, $_;
}
}
close($bzr_status_fh) or syserr(g_('bzr status exited nonzero'));
if (@files) {
error(g_('uncommitted, not-ignored changes in working directory: %s'),
join(' ', @files));
}
chdir $old_cwd or syserr(g_("unable to chdir to '%s'"), $old_cwd);
my $tmp = tempdir("$dirname.bzr.XXXXXX", DIR => $updir);
push_exit_handler(sub { erasedir($tmp) });
my $tardir = "$tmp/$dirname";
system('bzr', 'branch', $dir, $tardir);
subprocerr("bzr branch $dir $tardir") if $?;
# Remove the working tree.
system('bzr', 'remove-tree', $tardir);
subprocerr("bzr remove-tree $tardir") if $?;
# Some branch metadata files are unhelpful.
unlink("$tardir/.bzr/branch/branch-name",
"$tardir/.bzr/branch/parent");
# Create the tar file
my $debianfile = "$basenamerev.bzr.tar." . $self->{options}{comp_ext};
info(g_('building %s in %s'),
$sourcepackage, $debianfile);
my $tar = Dpkg::Source::Archive->new(filename => $debianfile,
compression => $self->{options}{compression},
compression_level => $self->{options}{comp_level});
$tar->create(chdir => $tmp);
$tar->add_directory($dirname);
$tar->finish();
erasedir($tmp);
pop_exit_handler();
$self->add_file($debianfile);
}
# Called after a tarball is unpacked, to check out the working copy.
sub do_extract {
my ($self, $newdirectory) = @_;
my $fields = $self->{fields};
my $basenamerev = $self->get_basename(1);
my @files = $self->get_files();
if (@files > 1) {
error(g_('format v3.0 (bzr) uses only one source file'));
}
my $tarfile = $files[0];
my $comp_ext_regex = compression_get_file_extension_regex();
if ($tarfile !~ /^\Q$basenamerev\E\.bzr\.tar\.$comp_ext_regex$/) {
error(g_('expected %s, got %s'),
"$basenamerev.bzr.tar.$comp_ext_regex", $tarfile);
}
if ($self->{options}{no_overwrite_dir} and -e $newdirectory) {
error(g_('unpack target exists: %s'), $newdirectory);
} else {
erasedir($newdirectory);
}
# Extract main tarball
info(g_('unpacking %s'), $tarfile);
my $tar = Dpkg::Source::Archive->new(
filename => File::Spec->catfile($self->{basedir}, $tarfile),
);
$tar->extract($newdirectory);
_check_workdir($newdirectory);
my $old_cwd = getcwd();
chdir($newdirectory)
or syserr(g_("unable to chdir to '%s'"), $newdirectory);
# Reconstitute the working tree.
system('bzr', 'checkout');
subprocerr('bzr checkout') if $?;
chdir $old_cwd or syserr(g_("unable to chdir to '%s'"), $old_cwd);
}
=head1 CHANGES
=head2 Version 0.xx
This is a private module.
=cut
1;
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