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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:58:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:58:51 +0000 |
commit | cbffab246997fb5a06211dfb706b54e5ae5bb59f (patch) | |
tree | 0573c5d96f58d74d76a49c0f2a70398e389a36d3 /scripts/Dpkg/Source/Package/V3/Quilt.pm | |
parent | Initial commit. (diff) | |
download | dpkg-upstream.tar.xz dpkg-upstream.zip |
Adding upstream version 1.21.22.upstream/1.21.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/Dpkg/Source/Package/V3/Quilt.pm')
-rw-r--r-- | scripts/Dpkg/Source/Package/V3/Quilt.pm | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/scripts/Dpkg/Source/Package/V3/Quilt.pm b/scripts/Dpkg/Source/Package/V3/Quilt.pm new file mode 100644 index 0000000..1359168 --- /dev/null +++ b/scripts/Dpkg/Source/Package/V3/Quilt.pm @@ -0,0 +1,269 @@ +# Copyright © 2008-2012 Raphaël Hertzog <hertzog@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::Quilt; + +use strict; +use warnings; + +our $VERSION = '0.01'; + +use List::Util qw(any); +use File::Spec; +use File::Copy; + +use Dpkg::Gettext; +use Dpkg::ErrorHandling; +use Dpkg::File; +use Dpkg::Version; +use Dpkg::Source::Patch; +use Dpkg::Source::Functions qw(erasedir chmod_if_needed fs_time); +use Dpkg::Source::Quilt; +use Dpkg::Exit; + +# Based on wig&pen implementation +use parent qw(Dpkg::Source::Package::V2); + +our $CURRENT_MINOR_VERSION = '0'; + +sub init_options { + my $self = shift; + $self->{options}{single_debian_patch} //= 0; + $self->{options}{allow_version_of_quilt_db} //= []; + + $self->SUPER::init_options(); +} + +my @module_cmdline = ( + { + name => '--single-debian-patch', + help => N_('use a single debianization patch'), + when => 'build', + }, { + name => '--allow-version-of-quilt-db=<version>', + help => N_('accept quilt metadata <version> even if unknown'), + when => 'build', + } +); + +sub describe_cmdline_options { + my $self = shift; + + my @cmdline = ( $self->SUPER::describe_cmdline_options(), @module_cmdline ); + + return @cmdline; +} + +sub parse_cmdline_option { + my ($self, $opt) = @_; + return 1 if $self->SUPER::parse_cmdline_option($opt); + if ($opt eq '--single-debian-patch') { + $self->{options}{single_debian_patch} = 1; + # For backwards compatibility. + $self->{options}{auto_commit} = 1; + return 1; + } elsif ($opt =~ /^--allow-version-of-quilt-db=(.*)$/) { + push @{$self->{options}{allow_version_of_quilt_db}}, $1; + return 1; + } + return 0; +} + +sub _build_quilt_object { + my ($self, $dir) = @_; + return $self->{quilt}{$dir} if exists $self->{quilt}{$dir}; + $self->{quilt}{$dir} = Dpkg::Source::Quilt->new($dir); + return $self->{quilt}{$dir}; +} + +sub can_build { + my ($self, $dir) = @_; + my ($code, $msg) = $self->SUPER::can_build($dir); + return ($code, $msg) if $code == 0; + + my $v = Dpkg::Version->new($self->{fields}->{'Version'}); + return (0, g_('non-native package version does not contain a revision')) + if $v->is_native(); + + my $quilt = $self->_build_quilt_object($dir); + $msg = $quilt->find_problems(); + return (0, $msg) if $msg; + return 1; +} + +sub get_autopatch_name { + my $self = shift; + if ($self->{options}{single_debian_patch}) { + return 'debian-changes'; + } else { + return 'debian-changes-' . $self->{fields}{'Version'}; + } +} + +sub apply_patches { + my ($self, $dir, %opts) = @_; + + if ($opts{usage} eq 'unpack') { + $opts{verbose} = 1; + } elsif ($opts{usage} eq 'build') { + $opts{warn_options} = 1; + $opts{verbose} = 0; + } + + my $quilt = $self->_build_quilt_object($dir); + $quilt->load_series(%opts) if $opts{warn_options}; # Trigger warnings + + # Always create the quilt db so that if the maintainer calls quilt to + # create a patch, it's stored in the right directory + $quilt->save_db(); + + # Update debian/patches/series symlink if needed to allow quilt usage + my $series = $quilt->get_series_file(); + my $basename = (File::Spec->splitpath($series))[2]; + if ($basename ne 'series') { + my $dest = $quilt->get_patch_file('series'); + unlink($dest) if -l $dest; + unless (-f _) { # Don't overwrite real files + symlink($basename, $dest) + or syserr(g_("can't create symlink %s"), $dest); + } + } + + return unless scalar($quilt->series()); + + info(g_('using patch list from %s'), "debian/patches/$basename"); + + if ($opts{usage} eq 'preparation' and + $self->{options}{unapply_patches} eq 'auto') { + # We're applying the patches in --before-build, remember to unapply + # them afterwards in --after-build + my $pc_unapply = $quilt->get_db_file('.dpkg-source-unapply'); + file_touch($pc_unapply); + } + + # Apply patches + my $pc_applied = $quilt->get_db_file('applied-patches'); + $opts{timestamp} = fs_time($pc_applied); + if ($opts{skip_auto}) { + my $auto_patch = $self->get_autopatch_name(); + $quilt->push(%opts) while ($quilt->next() and $quilt->next() ne $auto_patch); + } else { + $quilt->push(%opts) while $quilt->next(); + } +} + +sub unapply_patches { + my ($self, $dir, %opts) = @_; + + my $quilt = $self->_build_quilt_object($dir); + + $opts{verbose} //= 1; + + my $pc_applied = $quilt->get_db_file('applied-patches'); + my @applied = $quilt->applied(); + $opts{timestamp} = fs_time($pc_applied) if @applied; + + $quilt->pop(%opts) while $quilt->top(); + + erasedir($quilt->get_db_dir()); +} + +sub prepare_build { + my ($self, $dir) = @_; + $self->SUPER::prepare_build($dir); + # Skip .pc directories of quilt by default and ignore difference + # on debian/patches/series symlinks and d/p/.dpkg-source-applied + # stamp file created by ourselves + my $func = sub { + my $pathname = shift; + + return 1 if $pathname eq 'debian/patches/series' and -l $pathname; + return 1 if $pathname =~ /^\.pc(\/|$)/; + return 1 if $pathname =~ /$self->{options}{diff_ignore_regex}/; + return 0; + }; + $self->{diff_options}{diff_ignore_func} = $func; +} + +sub do_build { + my ($self, $dir) = @_; + + my $quilt = $self->_build_quilt_object($dir); + my $version = $quilt->get_db_version(); + + if (defined($version) and $version != 2) { + if (any { $version eq $_ } + @{$self->{options}{allow_version_of_quilt_db}}) + { + warning(g_('unsupported version of the quilt metadata: %s'), $version); + } else { + error(g_('unsupported version of the quilt metadata: %s'), $version); + } + } + + $self->SUPER::do_build($dir); +} + +sub after_build { + my ($self, $dir) = @_; + my $quilt = $self->_build_quilt_object($dir); + my $pc_unapply = $quilt->get_db_file('.dpkg-source-unapply'); + my $opt_unapply = $self->{options}{unapply_patches}; + if (($opt_unapply eq 'auto' and -e $pc_unapply) or $opt_unapply eq 'yes') { + unlink($pc_unapply); + $self->unapply_patches($dir); + } +} + +sub check_patches_applied { + my ($self, $dir) = @_; + + my $quilt = $self->_build_quilt_object($dir); + my $next = $quilt->next(); + return if not defined $next; + + my $first_patch = File::Spec->catfile($dir, 'debian', 'patches', $next); + my $patch_obj = Dpkg::Source::Patch->new(filename => $first_patch); + return unless $patch_obj->check_apply($dir, fatal_dupes => 1); + + $self->apply_patches($dir, usage => 'preparation', verbose => 1); +} + +sub register_patch { + my ($self, $dir, $tmpdiff, $patch_name) = @_; + + my $quilt = $self->_build_quilt_object($dir); + my $patch = $quilt->get_patch_file($patch_name); + + if (-s $tmpdiff) { + copy($tmpdiff, $patch) + or syserr(g_('failed to copy %s to %s'), $tmpdiff, $patch); + chmod_if_needed(0666 & ~ umask(), $patch) + or syserr(g_("unable to change permission of '%s'"), $patch); + } elsif (-e $patch) { + unlink($patch) or syserr(g_('cannot remove %s'), $patch); + } + + if (-e $patch) { + # Add patch to series file + $quilt->register($patch_name); + } else { + # Remove auto_patch from series + $quilt->unregister($patch_name); + } + return $patch; +} + +1; |