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/usr/share/perl5/Dpkg/Source/Package/V2.pm
(27421B)
# Copyright © 2008-2011 Raphaël Hertzog <hertzog@debian.org> # Copyright © 2008-2015 Guillem Jover <guillem@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::V2; use strict; use warnings; our $VERSION = '0.01'; use List::Util qw(first); use Cwd; use File::Basename; use File::Temp qw(tempfile tempdir); use File::Path qw(make_path); use File::Spec; use File::Find; use File::Copy; use Dpkg::Gettext; use Dpkg::ErrorHandling; use Dpkg::File; use Dpkg::Path qw(find_command); use Dpkg::Compression; use Dpkg::Source::Archive; use Dpkg::Source::Patch; use Dpkg::Source::BinaryFiles; use Dpkg::Exit qw(push_exit_handler pop_exit_handler); use Dpkg::Source::Functions qw(erasedir chmod_if_needed fs_time); use Dpkg::Vendor qw(run_vendor_hook); use Dpkg::Control; use Dpkg::Changelog::Parse; use Dpkg::OpenPGP; use parent qw(Dpkg::Source::Package); our $CURRENT_MINOR_VERSION = '0'; sub init_options { my $self = shift; $self->SUPER::init_options(); $self->{options}{include_removal} //= 0; $self->{options}{include_timestamp} //= 0; $self->{options}{include_binaries} //= 0; $self->{options}{preparation} //= 1; $self->{options}{skip_patches} //= 0; $self->{options}{unapply_patches} //= 'auto'; $self->{options}{skip_debianization} //= 0; $self->{options}{create_empty_orig} //= 0; $self->{options}{auto_commit} //= 0; $self->{options}{ignore_bad_version} //= 0; } my @module_cmdline = ( { name => '--include-removal', help => N_('include removed files in the patch'), when => 'build', }, { name => '--include-timestamp', help => N_('include timestamp in the patch'), when => 'build', }, { name => '--include-binaries', help => N_('include binary files in the tarball'), when => 'build', }, { name => '--no-preparation', help => N_('do not prepare build tree by applying patches'), when => 'build', }, { name => '--no-unapply-patches', help => N_('do not unapply patches if previously applied'), when => 'build', }, { name => '--unapply-patches', help => N_('unapply patches if previously applied (default)'), when => 'build', }, { name => '--create-empty-orig', help => N_('create an empty original tarball if missing'), when => 'build', }, { name => '--abort-on-upstream-changes', help => N_('abort if generated diff has upstream files changes'), when => 'build', }, { name => '--auto-commit', help => N_('record generated patches, instead of aborting'), when => 'build', }, { name => '--skip-debianization', help => N_('do not extract debian tarball into upstream sources'), when => 'extract', }, { name => '--skip-patches', help => N_('do not apply patches at the end of the extraction'), when => 'extract', } ); sub describe_cmdline_options { return @module_cmdline; } sub parse_cmdline_option { my ($self, $opt) = @_; if ($opt eq '--include-removal') { $self->{options}{include_removal} = 1; return 1; } elsif ($opt eq '--include-timestamp') { $self->{options}{include_timestamp} = 1; return 1; } elsif ($opt eq '--include-binaries') { $self->{options}{include_binaries} = 1; return 1; } elsif ($opt eq '--no-preparation') { $self->{options}{preparation} = 0; return 1; } elsif ($opt eq '--skip-patches') { $self->{options}{skip_patches} = 1; return 1; } elsif ($opt eq '--unapply-patches') { $self->{options}{unapply_patches} = 'yes'; return 1; } elsif ($opt eq '--no-unapply-patches') { $self->{options}{unapply_patches} = 'no'; return 1; } elsif ($opt eq '--skip-debianization') { $self->{options}{skip_debianization} = 1; return 1; } elsif ($opt eq '--create-empty-orig') { $self->{options}{create_empty_orig} = 1; return 1; } elsif ($opt eq '--abort-on-upstream-changes') { $self->{options}{auto_commit} = 0; return 1; } elsif ($opt eq '--auto-commit') { $self->{options}{auto_commit} = 1; return 1; } elsif ($opt eq '--ignore-bad-version') { $self->{options}{ignore_bad_version} = 1; return 1; } return 0; } sub do_extract { my ($self, $newdirectory) = @_; my $fields = $self->{fields}; my $dscdir = $self->{basedir}; my $basename = $self->get_basename(); my $basenamerev = $self->get_basename(1); my ($tarfile, $debianfile, %addonfile, %seen); my ($tarsign, %addonsign); my $re_ext = compression_get_file_extension_regex(); foreach my $file ($self->get_files()) { my $uncompressed = $file; $uncompressed =~ s/\.$re_ext$/.*/; $uncompressed =~ s/\.$re_ext\.asc$/.*.asc/; error(g_('duplicate files in %s source package: %s'), 'v2.0', $uncompressed) if $seen{$uncompressed}; $seen{$uncompressed} = 1; if ($file =~ /^\Q$basename\E\.orig\.tar\.$re_ext$/) { $tarfile = $file; } elsif ($file =~ /^\Q$basename\E\.orig\.tar\.$re_ext\.asc$/) { $tarsign = $file; } elsif ($file =~ /^\Q$basename\E\.orig-([[:alnum:]-]+)\.tar\.$re_ext$/) { $addonfile{$1} = $file; } elsif ($file =~ /^\Q$basename\E\.orig-([[:alnum:]-]+)\.tar\.$re_ext\.asc$/) { $addonsign{$1} = $file; } elsif ($file =~ /^\Q$basenamerev\E\.debian\.tar\.$re_ext$/) { $debianfile = $file; } else { error(g_('unrecognized file for a %s source package: %s'), 'v2.0', $file); } } unless ($tarfile and $debianfile) { error(g_('missing orig.tar or debian.tar file in v2.0 source package')); } if ($tarsign and $tarfile ne substr $tarsign, 0, -4) { error(g_('mismatched orig.tar %s for signature %s in source package'), $tarfile, $tarsign); } foreach my $name (keys %addonsign) { error(g_('missing addon orig.tar for signature %s in source package'), $addonsign{$name}) if not exists $addonfile{$name}; error(g_('mismatched addon orig.tar %s for signature %s in source package'), $addonfile{$name}, $addonsign{$name}) if $addonfile{$name} ne substr $addonsign{$name}, 0, -4; } 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 $tar = Dpkg::Source::Archive->new(filename => "$dscdir$tarfile"); $tar->extract($newdirectory, no_fixperms => 1, options => [ '--anchored', '--no-wildcards-match-slash', '--exclude', '*/.pc', '--exclude', '.pc' ]); # The .pc exclusion is only needed for 3.0 (quilt) and to avoid # having an upstream tarball provide a directory with symlinks # that would be blindly followed when applying the patches # Extract additional orig tarballs foreach my $subdir (sort keys %addonfile) { my $file = $addonfile{$subdir}; info(g_('unpacking %s'), $file); # If the pathname is an empty directory, just silently remove it, as # it might be part of a git repository, as a submodule for example. rmdir "$newdirectory/$subdir"; if (-e "$newdirectory/$subdir") { warning(g_("required removal of '%s' installed by original tarball"), $subdir); erasedir("$newdirectory/$subdir"); } $tar = Dpkg::Source::Archive->new(filename => "$dscdir$file"); $tar->extract("$newdirectory/$subdir", no_fixperms => 1); } # Stop here if debianization is not wanted return if $self->{options}{skip_debianization}; # Extract debian tarball after removing the debian directory info(g_('unpacking %s'), $debianfile); erasedir("$newdirectory/debian"); $tar = Dpkg::Source::Archive->new(filename => "$dscdir$debianfile"); $tar->extract($newdirectory, in_place => 1); # Apply patches (in a separate method as it might be overridden) $self->apply_patches($newdirectory, usage => 'unpack') unless $self->{options}{skip_patches}; } sub get_autopatch_name { return 'zz_debian-diff-auto'; } sub _get_patches { my ($self, $dir, %opts) = @_; $opts{skip_auto} //= 0; my @patches; my $pd = "$dir/debian/patches"; my $auto_patch = $self->get_autopatch_name(); if (-d $pd) { opendir(my $dir_dh, $pd) or syserr(g_('cannot opendir %s'), $pd); foreach my $patch (sort readdir($dir_dh)) { # patches match same rules as run-parts next unless $patch =~ /^[\w-]+$/ and -f "$pd/$patch"; next if $opts{skip_auto} and $patch eq $auto_patch; push @patches, $patch; } closedir($dir_dh); } return @patches; } sub apply_patches { my ($self, $dir, %opts) = @_; $opts{skip_auto} //= 0; my @patches = $self->_get_patches($dir, %opts); return unless scalar(@patches); my $applied = File::Spec->catfile($dir, 'debian', 'patches', '.dpkg-source-applied'); open(my $applied_fh, '>', $applied) or syserr(g_('cannot write %s'), $applied); print { $applied_fh } "# During $opts{usage}\n"; my $timestamp = fs_time($applied); foreach my $patch ($self->_get_patches($dir, %opts)) { my $path = File::Spec->catfile($dir, 'debian', 'patches', $patch); info(g_('applying %s'), $patch) unless $opts{skip_auto}; my $patch_obj = Dpkg::Source::Patch->new(filename => $path); $patch_obj->apply($dir, force_timestamp => 1, timestamp => $timestamp, add_options => [ '-E' ]); print { $applied_fh } "$patch\n"; } close($applied_fh); } sub unapply_patches { my ($self, $dir, %opts) = @_; my @patches = reverse($self->_get_patches($dir, %opts)); return unless scalar(@patches); my $applied = File::Spec->catfile($dir, 'debian', 'patches', '.dpkg-source-applied'); my $timestamp = fs_time($applied); foreach my $patch (@patches) { my $path = File::Spec->catfile($dir, 'debian', 'patches', $patch); info(g_('unapplying %s'), $patch) unless $opts{quiet}; my $patch_obj = Dpkg::Source::Patch->new(filename => $path); $patch_obj->apply($dir, force_timestamp => 1, verbose => 0, timestamp => $timestamp, add_options => [ '-E', '-R' ]); } unlink($applied); } sub _upstream_tarball_template { my $self = shift; my $ext = '{' . join(',', sort map { compression_get_property($_, 'file_ext') } compression_get_list()) . '}'; return '../' . $self->get_basename() . ".orig.tar.$ext"; } sub can_build { my ($self, $dir) = @_; return 1 if $self->find_original_tarballs(include_supplementary => 0); return 1 if $self->{options}{create_empty_orig} and $self->find_original_tarballs(include_main => 0); return (0, sprintf(g_('no upstream tarball found at %s'), $self->_upstream_tarball_template())); } sub before_build { my ($self, $dir) = @_; $self->check_patches_applied($dir) if $self->{options}{preparation}; } sub after_build { my ($self, $dir) = @_; my $applied = File::Spec->catfile($dir, 'debian', 'patches', '.dpkg-source-applied'); my $reason = ''; if (-e $applied) { open(my $applied_fh, '<', $applied) or syserr(g_('cannot read %s'), $applied); $reason = <$applied_fh>; close($applied_fh); } my $opt_unapply = $self->{options}{unapply_patches}; if (($opt_unapply eq 'auto' and $reason =~ /^# During preparation/) or $opt_unapply eq 'yes') { $self->unapply_patches($dir); } } sub prepare_build { my ($self, $dir) = @_; $self->{diff_options} = { diff_ignore_regex => $self->{options}{diff_ignore_regex} . '|(^|/)debian/patches/.dpkg-source-applied$', include_removal => $self->{options}{include_removal}, include_timestamp => $self->{options}{include_timestamp}, use_dev_null => 1, }; push @{$self->{options}{tar_ignore}}, 'debian/patches/.dpkg-source-applied'; $self->check_patches_applied($dir) if $self->{options}{preparation}; if ($self->{options}{create_empty_orig} and not $self->find_original_tarballs(include_supplementary => 0)) { # No main orig.tar, create a dummy one my $filename = $self->get_basename() . '.orig.tar.' . $self->{options}{comp_ext}; my $tar = Dpkg::Source::Archive->new(filename => $filename, compression_level => $self->{options}{comp_level}); $tar->create(); $tar->finish(); } } sub check_patches_applied { my ($self, $dir) = @_; my $applied = File::Spec->catfile($dir, 'debian', 'patches', '.dpkg-source-applied'); unless (-e $applied) { info(g_('patches are not applied, applying them now')); $self->apply_patches($dir, usage => 'preparation'); } } sub _generate_patch { my ($self, $dir, %opts) = @_; my ($dirname, $updir) = fileparse($dir); my $basedirname = $self->get_basename(); $basedirname =~ s/_/-/; # Identify original tarballs my ($tarfile, %addonfile); my $comp_ext_regex = compression_get_file_extension_regex(); my @origtarfiles; my @origtarsigns; foreach my $file (sort $self->find_original_tarballs()) { if ($file =~ /\.orig\.tar\.$comp_ext_regex$/) { if (defined($tarfile)) { error(g_('several orig.tar files found (%s and %s) but only ' . 'one is allowed'), $tarfile, $file); } $tarfile = $file; } elsif ($file =~ /\.orig-([[:alnum:]-]+)\.tar\.$comp_ext_regex$/) { $addonfile{$1} = $file; } else { next; } push @origtarfiles, $file; $self->add_file($file); # Check for an upstream signature. if (-e "$file.sig" and not -e "$file.asc") { openpgp_sig_to_asc("$file.sig", "$file.asc"); } if (-e "$file.asc") { push @origtarfiles, "$file.asc"; push @origtarsigns, "$file.asc"; $self->add_file("$file.asc") } } error(g_('no upstream tarball found at %s'), $self->_upstream_tarball_template()) unless $tarfile; if ($opts{usage} eq 'build') { foreach my $origtarfile (@origtarfiles) { info(g_('building %s using existing %s'), $self->{fields}{'Source'}, $origtarfile); } if (@origtarsigns) { $self->check_original_tarball_signature($dir, @origtarsigns); } else { my $key = $self->get_upstream_signing_key($dir); if (-e $key) { warning(g_('upstream signing key but no upstream tarball signature')); } } } # Unpack a second copy for comparison my $tmp = tempdir("$dirname.orig.XXXXXX", DIR => $updir); push_exit_handler(sub { erasedir($tmp) }); # Extract main tarball my $tar = Dpkg::Source::Archive->new(filename => $tarfile); $tar->extract($tmp); # Extract additional orig tarballs foreach my $subdir (keys %addonfile) { my $file = $addonfile{$subdir}; $tar = Dpkg::Source::Archive->new(filename => $file); $tar->extract("$tmp/$subdir"); } # Copy over the debian directory erasedir("$tmp/debian"); system('cp', '-a', '--', "$dir/debian", "$tmp/"); subprocerr(g_('copy of the debian directory')) if $?; # Apply all patches except the last automatic one $opts{skip_auto} //= 0; $self->apply_patches($tmp, skip_auto => $opts{skip_auto}, usage => 'build'); # Create a patch my ($difffh, $tmpdiff) = tempfile($self->get_basename(1) . '.diff.XXXXXX', TMPDIR => 1, UNLINK => 0); push_exit_handler(sub { unlink($tmpdiff) }); my $diff = Dpkg::Source::Patch->new(filename => $tmpdiff, compression => 'none'); $diff->create(); if ($opts{header_from} and -e $opts{header_from}) { my $header_from = Dpkg::Source::Patch->new( filename => $opts{header_from}); my $analysis = $header_from->analyze($dir, verbose => 0); $diff->set_header($analysis->{patchheader}); } else { $diff->set_header($self->_get_patch_header($dir)); } $diff->add_diff_directory($tmp, $dir, basedirname => $basedirname, %{$self->{diff_options}}, handle_binary_func => $opts{handle_binary}, order_from => $opts{order_from}); error(g_('unrepresentable changes to source')) if not $diff->finish(); if (-s $tmpdiff) { info(g_('local changes detected, the modified files are:')); my $analysis = $diff->analyze($dir, verbose => 0); foreach my $fn (sort keys %{$analysis->{filepatched}}) { print " $fn\n"; } } # Remove the temporary directory erasedir($tmp); pop_exit_handler(); pop_exit_handler(); return $tmpdiff; } sub do_build { my ($self, $dir) = @_; my @argv = @{$self->{options}{ARGV}}; if (scalar(@argv)) { usageerr(g_("-b takes only one parameter with format '%s'"), $self->{fields}{'Format'}); } $self->prepare_build($dir); my $include_binaries = $self->{options}{include_binaries}; my @tar_ignore = map { "--exclude=$_" } @{$self->{options}{tar_ignore}}; my $sourcepackage = $self->{fields}{'Source'}; my $basenamerev = $self->get_basename(1); # Check if the debian directory contains unwanted binary files my $binaryfiles = Dpkg::Source::BinaryFiles->new($dir); $binaryfiles->detect_binary_files( exclude_globs => $self->{options}{tar_ignore}, include_binaries => $include_binaries, ); # Handle modified binary files detected by the auto-patch generation my $handle_binary = sub { my ($self, $old, $new, %opts) = @_; my $file = $opts{filename}; $binaryfiles->new_binary_found($file); unless ($include_binaries or $binaryfiles->binary_is_allowed($file)) { errormsg(g_('cannot represent change to %s: %s'), $file, g_('binary file contents changed')); errormsg(g_('add %s in debian/source/include-binaries if you want ' . 'to store the modified binary in the debian tarball'), $file); $self->register_error(); } }; # Create a patch my $autopatch = File::Spec->catfile($dir, 'debian', 'patches', $self->get_autopatch_name()); my $tmpdiff = $self->_generate_patch($dir, order_from => $autopatch, header_from => $autopatch, handle_binary => $handle_binary, skip_auto => $self->{options}{auto_commit}, usage => 'build'); unless (-z $tmpdiff or $self->{options}{auto_commit}) { info(g_('Hint: make sure the version in debian/changelog matches ' . 'the unpacked source tree')); info(g_('you can integrate the local changes with %s'), 'dpkg-source --commit'); error(g_('aborting due to unexpected upstream changes, see %s'), $tmpdiff); } push_exit_handler(sub { unlink($tmpdiff) }); $binaryfiles->update_debian_source_include_binaries() if $include_binaries; # Install the diff as the new autopatch if ($self->{options}{auto_commit}) { make_path(File::Spec->catdir($dir, 'debian', 'patches')); $autopatch = $self->register_patch($dir, $tmpdiff, $self->get_autopatch_name()); info(g_('local changes have been recorded in a new patch: %s'), $autopatch) if -e $autopatch; rmdir(File::Spec->catdir($dir, 'debian', 'patches')); # No check on purpose } unlink($tmpdiff) or syserr(g_('cannot remove %s'), $tmpdiff); pop_exit_handler(); # Create the debian.tar my $debianfile = "$basenamerev.debian.tar." . $self->{options}{comp_ext}; info(g_('building %s in %s'), $sourcepackage, $debianfile); my $tar = Dpkg::Source::Archive->new(filename => $debianfile, compression_level => $self->{options}{comp_level}); $tar->create(options => \@tar_ignore, chdir => $dir); $tar->add_directory('debian'); foreach my $binary ($binaryfiles->get_seen_binaries()) { $tar->add_file($binary) unless $binary =~ m{^debian/}; } $tar->finish(); $self->add_file($debianfile); } sub _get_patch_header { my ($self, $dir) = @_; my $ph = File::Spec->catfile($dir, 'debian', 'source', 'local-patch-header'); unless (-f $ph) { $ph = File::Spec->catfile($dir, 'debian', 'source', 'patch-header'); } if (-f $ph) { return file_slurp($ph); } if ($self->{options}->{single_debian_patch}) { return <<'AUTOGEN_HEADER'; This is an autogenerated patch header for a single-debian-patch file. The delta against upstream is either kept as a single patch, or maintained in some VCS, and exported as a single patch instead of more manageable atomic patches. AUTOGEN_HEADER } my $ch_info = changelog_parse(offset => 0, count => 1, file => File::Spec->catfile($dir, 'debian', 'changelog')); return '' if not defined $ch_info; my $header = Dpkg::Control->new(type => CTRL_UNKNOWN); $header->{'Description'} = "<short summary of the patch>\n"; $header->{'Description'} .= "TODO: Put a short summary on the line above and replace this paragraph with a longer explanation of this change. Complete the meta-information with other relevant fields (see below for details). To make it easier, the information below has been extracted from the changelog. Adjust it or drop it.\n"; $header->{'Description'} .= $ch_info->{'Changes'} . "\n"; $header->{'Author'} = $ch_info->{'Maintainer'}; my $yyyy_mm_dd = POSIX::strftime('%Y-%m-%d', gmtime); my $text; $text = "$header"; run_vendor_hook('extend-patch-header', \$text, $ch_info); $text .= "\n--- The information above should follow the Patch Tagging Guidelines, please checkout http://dep.debian.net/deps/dep3/ to learn about the format. Here are templates for supplementary fields that you might want to add: Origin: <vendor|upstream|other>, <url of original patch> Bug: <url in upstream bugtracker> Bug-Debian: https://bugs.debian.org/<bugnumber> Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber> Forwarded: <no|not-needed|url proving that it has been forwarded> Reviewed-By: <name and email of someone who approved the patch> Last-Update: $yyyy_mm_dd\n\n"; return $text; } sub register_patch { my ($self, $dir, $patch_file, $patch_name) = @_; my $patch = File::Spec->catfile($dir, 'debian', 'patches', $patch_name); if (-s $patch_file) { copy($patch_file, $patch) or syserr(g_('failed to copy %s to %s'), $patch_file, $patch); chmod_if_needed(0666 & ~ umask(), $patch) or syserr(g_("unable to change permission of '%s'"), $patch); my $applied = File::Spec->catfile($dir, 'debian', 'patches', '.dpkg-source-applied'); open(my $applied_fh, '>>', $applied) or syserr(g_('cannot write %s'), $applied); print { $applied_fh } "$patch\n"; close($applied_fh) or syserr(g_('cannot close %s'), $applied); } elsif (-e $patch) { unlink($patch) or syserr(g_('cannot remove %s'), $patch); } return $patch; } sub _is_bad_patch_name { my ($dir, $patch_name) = @_; return 1 if not defined($patch_name); return 1 if not length($patch_name); my $patch = File::Spec->catfile($dir, 'debian', 'patches', $patch_name); if (-e $patch) { warning(g_('cannot register changes in %s, this patch already exists'), $patch); return 1; } return 0; } sub do_commit { my ($self, $dir) = @_; my ($patch_name, $tmpdiff) = @{$self->{options}{ARGV}}; $self->prepare_build($dir); # Try to fix up a broken relative filename for the patch if ($tmpdiff and not -e $tmpdiff) { $tmpdiff = File::Spec->catfile($dir, $tmpdiff) unless File::Spec->file_name_is_absolute($tmpdiff); error(g_("patch file '%s' doesn't exist"), $tmpdiff) if not -e $tmpdiff; } my $binaryfiles = Dpkg::Source::BinaryFiles->new($dir); my $handle_binary = sub { my ($self, $old, $new, %opts) = @_; my $fn = File::Spec->abs2rel($new, $dir); $binaryfiles->new_binary_found($fn); }; unless ($tmpdiff) { $tmpdiff = $self->_generate_patch($dir, handle_binary => $handle_binary, usage => 'commit'); $binaryfiles->update_debian_source_include_binaries(); } push_exit_handler(sub { unlink($tmpdiff) }); unless (-s $tmpdiff) { unlink($tmpdiff) or syserr(g_('cannot remove %s'), $tmpdiff); info(g_('there are no local changes to record')); return; } while (_is_bad_patch_name($dir, $patch_name)) { # Ask the patch name interactively print g_('Enter the desired patch name: '); $patch_name = <STDIN>; if (not defined $patch_name) { error(g_('no patch name given; cannot proceed')); } chomp $patch_name; $patch_name =~ s/\s+/-/g; $patch_name =~ s/\///g; } make_path(File::Spec->catdir($dir, 'debian', 'patches')); my $patch = $self->register_patch($dir, $tmpdiff, $patch_name); my @editors = ('sensible-editor', $ENV{VISUAL}, $ENV{EDITOR}, 'vi'); my $editor = first { find_command($_) } @editors; if (not $editor) { error(g_('cannot find an editor')); } system($editor, $patch); subprocerr($editor) if $?; unlink($tmpdiff) or syserr(g_('cannot remove %s'), $tmpdiff); pop_exit_handler(); info(g_('local changes have been recorded in a new patch: %s'), $patch); } 1;
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