Unbundle dpkg-shlibdeps

third_party/dpkg-dev/scripts/Dpkg/Source/Package/V3/Bzr.pm

-#
-# bzr support for dpkg-source
-#
-# 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/>.
-
-package Dpkg::Source::Package::V3::Bzr;
-
-use strict;
-use warnings;
-
-our $VERSION = '0.01';
-
-use parent qw(Dpkg::Source::Package);
-
-use Cwd;
-use File::Basename;
-use File::Find;
-use File::Temp qw(tempdir);
-
-use Dpkg;
-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::Source::Functions qw(erasedir);
-
-our $CURRENT_MINOR_VERSION = '0';
-
-sub import {
-    foreach my $dir (split(/:/, $ENV{PATH})) {
-        if (-x "$dir/bzr") {
-            return 1;
-        }
-    }
-    error(_g('cannot unpack bzr-format source package because ' .
-             'bzr is not in the PATH'));
-}
-
-sub sanity_check {
-    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);
-    my $basename = $self->get_basename();
-    my $basedirname = $basename;
-    $basedirname =~ s/_/-/;
-
-    sanity_check($dir);
-
-    my $old_cwd = getcwd();
-    chdir($dir) or syserr(_g("unable to chdir to `%s'"), $dir);
-
-    # 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 $dscdir = $self->{basedir};
-
-    my $basename = $self->get_basename();
-    my $basenamerev = $self->get_basename(1);
-
-    my @files = $self->get_files();
-    if (@files > 1) {
-        error(_g('format v3.0 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", $tarfile);
-    }
-
-    erasedir($newdirectory);
-
-    # Extract main tarball
-    info(_g('unpacking %s'), $tarfile);
-    my $tar = Dpkg::Source::Archive->new(filename => "$dscdir$tarfile");
-    $tar->extract($newdirectory);
-
-    sanity_check($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);
-}
-
-1;