3 # Integration between git and Debian-style archives
5 # Copyright (C)2013-2015 Ian Jackson
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 $SIG{__WARN__} = sub { die $_[0]; };
26 use Dpkg::Control::Hash;
28 use File::Temp qw(tempdir);
38 our $our_version = 'UNRELEASED'; ###substituted###
40 our $rpushprotovsn = 2;
42 our $isuite = 'unstable';
48 our $dryrun_level = 0;
50 our $buildproductsdir = '..';
56 our $existing_package = 'dpkg';
57 our $cleanmode = 'dpkg-source';
58 our $changes_since_version;
60 our $quilt_modes_re = 'linear|smash|auto|nofix|nocheck';
61 our $we_are_responder;
62 our $initiator_tempdir;
64 our %format_ok = map { $_=>1 } ("1.0","3.0 (native)","3.0 (quilt)");
66 our $suite_re = '[-+.0-9a-z]+';
69 our (@dget) = qw(dget);
70 our (@curl) = qw(curl -f);
71 our (@dput) = qw(dput);
72 our (@debsign) = qw(debsign);
74 our (@sbuild) = qw(sbuild -A);
76 our (@dgit) = qw(dgit);
77 our (@dpkgbuildpackage) = qw(dpkg-buildpackage -i\.git/ -I.git);
78 our (@dpkgsource) = qw(dpkg-source -i\.git/ -I.git);
79 our (@dpkggenchanges) = qw(dpkg-genchanges);
80 our (@mergechanges) = qw(mergechanges -f);
81 our (@changesopts) = ('');
83 our %opts_opt_map = ('dget' => \@dget, # accept for compatibility
86 'debsign' => \@debsign,
91 'dpkg-source' => \@dpkgsource,
92 'dpkg-buildpackage' => \@dpkgbuildpackage,
93 'dpkg-genchanges' => \@dpkggenchanges,
94 'ch' => \@changesopts,
95 'mergechanges' => \@mergechanges);
97 our %opts_opt_cmdonly = ('gpg' => 1);
103 our $remotename = 'dgit';
104 our @ourdscfield = qw(Dgit Vcs-Dgit-Master);
108 sub lbranch () { return "$branchprefix/$csuite"; }
109 my $lbranch_re = '^refs/heads/'.$branchprefix.'/([^/.]+)$';
110 sub lref () { return "refs/heads/".lbranch(); }
111 sub lrref () { return "refs/remotes/$remotename/".server_branch($csuite); }
112 sub rrref () { return server_ref($csuite); }
114 sub lrfetchrefs () { return "refs/dgit-fetch/$csuite"; }
124 return "${package}_".(stripepoch $vsn).$sfx
129 return srcfn($vsn,".dsc");
138 foreach my $f (@end) {
140 warn "$us: cleanup: $@" if length $@;
144 sub badcfg { print STDERR "$us: invalid configuration: @_\n"; exit 12; }
146 sub no_such_package () {
147 print STDERR "$us: package $package does not exist in suite $isuite\n";
153 return "+".rrref().":".lrref();
158 printdebug "CD $newdir\n";
159 chdir $newdir or die "chdir: $newdir: $!";
162 sub deliberately ($) {
164 return !!grep { $_ eq "--deliberately-$enquiry" } @deliberatelies;
167 sub deliberately_not_fast_forward () {
168 foreach (qw(not-fast-forward fresh-repo)) {
169 return 1 if deliberately($_) || deliberately("TEST-dgit-only-$_");
173 #---------- remote protocol support, common ----------
175 # remote push initiator/responder protocol:
176 # < dgit-remote-push-ready [optional extra info ignored by old initiators]
178 # > file parsed-changelog
179 # [indicates that output of dpkg-parsechangelog follows]
180 # > data-block NBYTES
181 # > [NBYTES bytes of data (no newline)]
182 # [maybe some more blocks]
194 # [indicates that signed tag is wanted]
195 # < data-block NBYTES
196 # < [NBYTES bytes of data (no newline)]
197 # [maybe some more blocks]
201 # > want signed-dsc-changes
202 # < data-block NBYTES [transfer of signed dsc]
204 # < data-block NBYTES [transfer of signed changes]
212 sub i_child_report () {
213 # Sees if our child has died, and reap it if so. Returns a string
214 # describing how it died if it failed, or undef otherwise.
215 return undef unless $i_child_pid;
216 my $got = waitpid $i_child_pid, WNOHANG;
217 return undef if $got <= 0;
218 die unless $got == $i_child_pid;
219 $i_child_pid = undef;
220 return undef unless $?;
221 return "build host child ".waitstatusmsg();
226 fail "connection lost: $!" if $fh->error;
227 fail "protocol violation; $m not expected";
230 sub badproto_badread ($$) {
232 fail "connection lost: $!" if $!;
233 my $report = i_child_report();
234 fail $report if defined $report;
235 badproto $fh, "eof (reading $wh)";
238 sub protocol_expect (&$) {
239 my ($match, $fh) = @_;
242 defined && chomp or badproto_badread $fh, "protocol message";
250 badproto $fh, "\`$_'";
253 sub protocol_send_file ($$) {
254 my ($fh, $ourfn) = @_;
255 open PF, "<", $ourfn or die "$ourfn: $!";
258 my $got = read PF, $d, 65536;
259 die "$ourfn: $!" unless defined $got;
261 print $fh "data-block ".length($d)."\n" or die $!;
262 print $fh $d or die $!;
264 PF->error and die "$ourfn $!";
265 print $fh "data-end\n" or die $!;
269 sub protocol_read_bytes ($$) {
270 my ($fh, $nbytes) = @_;
271 $nbytes =~ m/^[1-9]\d{0,5}$/ or badproto \*RO, "bad byte count";
273 my $got = read $fh, $d, $nbytes;
274 $got==$nbytes or badproto_badread $fh, "data block";
278 sub protocol_receive_file ($$) {
279 my ($fh, $ourfn) = @_;
280 printdebug "() $ourfn\n";
281 open PF, ">", $ourfn or die "$ourfn: $!";
283 my ($y,$l) = protocol_expect {
284 m/^data-block (.*)$/ ? (1,$1) :
285 m/^data-end$/ ? (0,) :
289 my $d = protocol_read_bytes $fh, $l;
290 print PF $d or die $!;
295 #---------- remote protocol support, responder ----------
297 sub responder_send_command ($) {
299 return unless $we_are_responder;
300 # called even without $we_are_responder
301 printdebug ">> $command\n";
302 print PO $command, "\n" or die $!;
305 sub responder_send_file ($$) {
306 my ($keyword, $ourfn) = @_;
307 return unless $we_are_responder;
308 printdebug "]] $keyword $ourfn\n";
309 responder_send_command "file $keyword";
310 protocol_send_file \*PO, $ourfn;
313 sub responder_receive_files ($@) {
314 my ($keyword, @ourfns) = @_;
315 die unless $we_are_responder;
316 printdebug "[[ $keyword @ourfns\n";
317 responder_send_command "want $keyword";
318 foreach my $fn (@ourfns) {
319 protocol_receive_file \*PI, $fn;
322 protocol_expect { m/^files-end$/ } \*PI;
325 #---------- remote protocol support, initiator ----------
327 sub initiator_expect (&) {
329 protocol_expect { &$match } \*RO;
332 #---------- end remote code ----------
335 if ($we_are_responder) {
337 responder_send_command "progress ".length($m) or die $!;
338 print PO $m or die $!;
348 $ua = LWP::UserAgent->new();
352 progress "downloading $what...";
353 my $r = $ua->get(@_) or die $!;
354 return undef if $r->code == 404;
355 $r->is_success or fail "failed to fetch $what: ".$r->status_line;
356 return $r->decoded_content(charset => 'none');
359 our ($dscdata,$dscurl,$dsc,$dsc_checked,$skew_warning_vsn);
364 failedcmd @_ if system @_;
367 sub act_local () { return $dryrun_level <= 1; }
368 sub act_scary () { return !$dryrun_level; }
371 if (!$dryrun_level) {
372 progress "dgit ok: @_";
374 progress "would be ok: @_ (but dry run only)";
379 printcmd(\*STDERR,$debugprefix."#",@_);
382 sub runcmd_ordryrun {
390 sub runcmd_ordryrun_local {
399 my ($first_shell, @cmd) = @_;
400 return qw(sh -ec), $first_shell.'; exec "$@"', 'x', @cmd;
403 our $helpmsg = <<END;
405 dgit [dgit-opts] clone [dgit-opts] package [suite] [./dir|/dir]
406 dgit [dgit-opts] fetch|pull [dgit-opts] [suite]
407 dgit [dgit-opts] build [git-buildpackage-opts|dpkg-buildpackage-opts]
408 dgit [dgit-opts] push [dgit-opts] [suite]
409 dgit [dgit-opts] rpush build-host:build-dir ...
410 important dgit options:
411 -k<keyid> sign tag and package with <keyid> instead of default
412 --dry-run -n do not change anything, but go through the motions
413 --damp-run -L like --dry-run but make local changes, without signing
414 --new -N allow introducing a new package
415 --debug -D increase debug level
416 -c<name>=<value> set git config option (used directly by dgit too)
419 our $later_warning_msg = <<END;
420 Perhaps the upload is stuck in incoming. Using the version from git.
424 print STDERR "$us: @_\n", $helpmsg or die $!;
429 @ARGV or badusage "too few arguments";
430 return scalar shift @ARGV;
434 print $helpmsg or die $!;
438 our $td = $ENV{DGIT_TEST_DUMMY_DIR} || "DGIT_TEST_DUMMY_DIR-unset";
440 our %defcfg = ('dgit.default.distro' => 'debian',
441 'dgit.default.username' => '',
442 'dgit.default.archive-query-default-component' => 'main',
443 'dgit.default.ssh' => 'ssh',
444 'dgit.default.archive-query' => 'madison:',
445 'dgit.default.sshpsql-dbname' => 'service=projectb',
446 'dgit-distro.debian.archive-query' => 'ftpmasterapi:',
447 'dgit-distro.debian.git-host' => 'dgit-git.debian.net',
448 'dgit-distro.debian.git-user-force' => 'dgit',
449 'dgit-distro.debian.git-proto' => 'git+ssh://',
450 'dgit-distro.debian.git-path' => '/dgit/debian/repos',
451 'dgit-distro.debian.git-check' => 'ssh-cmd',
452 'dgit-distro.debian.archive-query-url', 'https://api.ftp-master.debian.org/',
453 # 'dgit-distro.debian.archive-query-tls-key',
454 # '/etc/ssl/certs/%HOST%.pem:/etc/dgit/%HOST%.pem',
455 # ^ this does not work because curl is broken nowadays
456 # Fixing #790093 properly will involve providing providing the key
457 # in some pacagke and maybe updating these paths.
459 # 'dgit-distro.debian.archive-query-tls-curl-args',
460 # '--ca-path=/etc/ssl/ca-debian',
461 # ^ this is a workaround but works (only) on DSA-administered machines
462 'dgit-distro.debian.diverts.alioth' => '/alioth',
463 'dgit-distro.debian/alioth.git-host' => 'git.debian.org',
464 'dgit-distro.debian/alioth.git-user-force' => '',
465 'dgit-distro.debian/alioth.git-proto' => 'git+ssh://',
466 'dgit-distro.debian/alioth.git-path' => '/git/dgit-repos/repos',
467 'dgit-distro.debian/alioth.git-create' => 'ssh-cmd',
468 'dgit-distro.debian.upload-host' => 'ftp-master', # for dput
469 'dgit-distro.debian.mirror' => 'http://ftp.debian.org/debian/',
470 'dgit-distro.debian.backports-quirk' => '(squeeze)-backports*',
471 'dgit-distro.debian-backports.mirror' => 'http://backports.debian.org/debian-backports/',
472 'dgit-distro.ubuntu.git-check' => 'false',
473 'dgit-distro.ubuntu.mirror' => 'http://archive.ubuntu.com/ubuntu',
474 'dgit-distro.test-dummy.ssh' => "$td/ssh",
475 'dgit-distro.test-dummy.username' => "alice",
476 'dgit-distro.test-dummy.git-check' => "ssh-cmd",
477 'dgit-distro.test-dummy.git-create' => "ssh-cmd",
478 'dgit-distro.test-dummy.git-url' => "$td/git",
479 'dgit-distro.test-dummy.git-host' => "git",
480 'dgit-distro.test-dummy.git-path' => "$td/git",
481 'dgit-distro.test-dummy.archive-query' => "ftpmasterapi:",
482 'dgit-distro.test-dummy.archive-query-url' => "file://$td/aq/",
483 'dgit-distro.test-dummy.mirror' => "file://$td/mirror/",
484 'dgit-distro.test-dummy.upload-host' => 'test-dummy',
489 return undef if $c =~ /RETURN-UNDEF/;
490 my @cmd = (@git, qw(config --), $c);
493 local ($debuglevel) = $debuglevel-2;
494 $v = cmdoutput_errok @cmd;
501 my $dv = $defcfg{$c};
502 return $dv if defined $dv;
504 badcfg "need value for one of: @_\n".
505 "$us: distro or suite appears not to be (properly) supported";
508 sub access_basedistro () {
509 if (defined $idistro) {
512 return cfg("dgit-suite.$isuite.distro",
513 "dgit.default.distro");
517 sub access_quirk () {
518 # returns (quirk name, distro to use instead or undef, quirk-specific info)
519 my $basedistro = access_basedistro();
520 my $backports_quirk = cfg("dgit-distro.$basedistro.backports-quirk",
522 if (defined $backports_quirk) {
523 my $re = $backports_quirk;
524 $re =~ s/[^-0-9a-z_\%*()]/\\$&/ig;
526 $re =~ s/\%/([-0-9a-z_]+)/
527 or $re =~ m/[()]/ or badcfg "backports-quirk needs \% or ( )";
528 if ($isuite =~ m/^$re$/) {
529 return ('backports',"$basedistro-backports",$1);
532 return ('none',undef);
535 sub access_distros () {
536 # Returns list of distros to try, in order
539 # 0. `instead of' distro name(s) we have been pointed to
540 # 1. the access_quirk distro, if any
541 # 2a. the user's specified distro, or failing that } basedistro
542 # 2b. the distro calculated from the suite }
543 my @l = access_basedistro();
545 my (undef,$quirkdistro) = access_quirk();
546 unshift @l, $quirkdistro;
547 unshift @l, $instead_distro;
548 return grep { defined } @l;
554 # The nesting of these loops determines the search order. We put
555 # the key loop on the outside so that we search all the distros
556 # for each key, before going on to the next key. That means that
557 # if access_cfg is called with a more specific, and then a less
558 # specific, key, an earlier distro can override the less specific
559 # without necessarily overriding any more specific keys. (If the
560 # distro wants to override the more specific keys it can simply do
561 # so; whereas if we did the loop the other way around, it would be
562 # impossible to for an earlier distro to override a less specific
563 # key but not the more specific ones without restating the unknown
564 # values of the more specific keys.
567 # We have to deal with RETURN-UNDEF specially, so that we don't
568 # terminate the search prematurely.
570 if (m/RETURN-UNDEF/) { push @rundef, $_; last; }
573 foreach my $d (access_distros()) {
574 push @cfgs, map { "dgit-distro.$d.$_" } @realkeys;
576 push @cfgs, map { "dgit.default.$_" } @realkeys;
578 my $value = cfg(@cfgs);
582 sub string_to_ssh ($) {
584 if ($spec =~ m/\s/) {
585 return qw(sh -ec), 'exec '.$spec.' "$@"', 'x';
591 sub access_cfg_ssh () {
592 my $gitssh = access_cfg('ssh', 'RETURN-UNDEF');
593 if (!defined $gitssh) {
596 return string_to_ssh $gitssh;
600 sub access_runeinfo ($) {
602 return ": dgit ".access_basedistro()." $info ;";
605 sub access_someuserhost ($) {
607 my $user = access_cfg("$some-user-force", 'RETURN-UNDEF');
608 defined($user) && length($user) or
609 $user = access_cfg("$some-user",'username');
610 my $host = access_cfg("$some-host");
611 return length($user) ? "$user\@$host" : $host;
614 sub access_gituserhost () {
615 return access_someuserhost('git');
618 sub access_giturl (;$) {
620 my $url = access_cfg('git-url','RETURN-UNDEF');
622 my $proto = access_cfg('git-proto', 'RETURN-UNDEF');
623 return undef unless defined $proto;
626 access_gituserhost().
627 access_cfg('git-path');
629 return "$url/$package.git";
632 sub parsecontrolfh ($$;$) {
633 my ($fh, $desc, $allowsigned) = @_;
634 our $dpkgcontrolhash_noissigned;
637 my %opts = ('name' => $desc);
638 $opts{allow_pgp}= $allowsigned || !$dpkgcontrolhash_noissigned;
639 $c = Dpkg::Control::Hash->new(%opts);
640 $c->parse($fh,$desc) or die "parsing of $desc failed";
641 last if $allowsigned;
642 last if $dpkgcontrolhash_noissigned;
643 my $issigned= $c->get_option('is_pgp_signed');
644 if (!defined $issigned) {
645 $dpkgcontrolhash_noissigned= 1;
646 seek $fh, 0,0 or die "seek $desc: $!";
647 } elsif ($issigned) {
648 fail "control file $desc is (already) PGP-signed. ".
649 " Note that dgit push needs to modify the .dsc and then".
650 " do the signature itself";
659 my ($file, $desc) = @_;
660 my $fh = new IO::Handle;
661 open $fh, '<', $file or die "$file: $!";
662 my $c = parsecontrolfh($fh,$desc);
663 $fh->error and die $!;
669 my ($dctrl,$field) = @_;
670 my $v = $dctrl->{$field};
671 return $v if defined $v;
672 fail "missing field $field in ".$v->get_option('name');
676 my $c = Dpkg::Control::Hash->new();
677 my $p = new IO::Handle;
678 my @cmd = (qw(dpkg-parsechangelog), @_);
679 open $p, '-|', @cmd or die $!;
681 $?=0; $!=0; close $p or failedcmd @cmd;
687 defined $d or fail "getcwd failed: $!";
693 sub archive_query ($) {
695 my $query = access_cfg('archive-query','RETURN-UNDEF');
696 $query =~ s/^(\w+):// or badcfg "invalid archive-query method \`$query'";
699 { no strict qw(refs); &{"${method}_${proto}"}($proto,$data); }
702 sub pool_dsc_subpath ($$) {
703 my ($vsn,$component) = @_; # $package is implict arg
704 my $prefix = substr($package, 0, $package =~ m/^l/ ? 4 : 1);
705 return "/pool/$component/$prefix/$package/".dscfn($vsn);
708 #---------- `ftpmasterapi' archive query method (nascent) ----------
710 sub archive_api_query_cmd ($) {
712 my @cmd = qw(curl -sS);
713 my $url = access_cfg('archive-query-url');
714 if ($url =~ m#^https://([-.0-9a-z]+)/#) {
716 my $keys = access_cfg('archive-query-tls-key','RETURN-UNDEF') //'';
717 foreach my $key (split /\:/, $keys) {
718 $key =~ s/\%HOST\%/$host/g;
720 fail "for $url: stat $key: $!" unless $!==ENOENT;
723 fail "config requested specific TLS key but do not know".
724 " how to get curl to use exactly that EE key ($key)";
725 # push @cmd, "--cacert", $key, "--capath", "/dev/enoent";
726 # # Sadly the above line does not work because of changes
727 # # to gnutls. The real fix for #790093 may involve
728 # # new curl options.
731 # Fixing #790093 properly will involve providing a value
732 # for this on clients.
733 my $kargs = access_cfg('archive-query-tls-curl-ca-args','RETURN-UNDEF');
734 push @cmd, split / /, $kargs if defined $kargs;
736 push @cmd, $url.$subpath;
742 my ($data, $subpath) = @_;
743 badcfg "ftpmasterapi archive query method takes no data part"
745 my @cmd = archive_api_query_cmd($subpath);
746 my $json = cmdoutput @cmd;
747 return decode_json($json);
750 sub canonicalise_suite_ftpmasterapi () {
751 my ($proto,$data) = @_;
752 my $suites = api_query($data, 'suites');
754 foreach my $entry (@$suites) {
756 my $v = $entry->{$_};
757 defined $v && $v eq $isuite;
759 push @matched, $entry;
761 fail "unknown suite $isuite" unless @matched;
764 @matched==1 or die "multiple matches for suite $isuite\n";
765 $cn = "$matched[0]{codename}";
766 defined $cn or die "suite $isuite info has no codename\n";
767 $cn =~ m/^$suite_re$/ or die "suite $isuite maps to bad codename\n";
769 die "bad ftpmaster api response: $@\n".Dumper(\@matched)
774 sub archive_query_ftpmasterapi () {
775 my ($proto,$data) = @_;
776 my $info = api_query($data, "dsc_in_suite/$isuite/$package");
778 my $digester = Digest::SHA->new(256);
779 foreach my $entry (@$info) {
781 my $vsn = "$entry->{version}";
782 my ($ok,$msg) = version_check $vsn;
783 die "bad version: $msg\n" unless $ok;
784 my $component = "$entry->{component}";
785 $component =~ m/^$component_re$/ or die "bad component";
786 my $filename = "$entry->{filename}";
787 $filename && $filename !~ m#[^-+:._~0-9a-zA-Z/]|^[/.]|/[/.]#
788 or die "bad filename";
789 my $sha256sum = "$entry->{sha256sum}";
790 $sha256sum =~ m/^[0-9a-f]+$/ or die "bad sha256sum";
791 push @rows, [ $vsn, "/pool/$component/$filename",
792 $digester, $sha256sum ];
794 die "bad ftpmaster api response: $@\n".Dumper($entry)
797 @rows = sort { -version_compare($a->[0],$b->[0]) } @rows;
801 #---------- `madison' archive query method ----------
803 sub archive_query_madison {
804 return map { [ @$_[0..1] ] } madison_get_parse(@_);
807 sub madison_get_parse {
808 my ($proto,$data) = @_;
809 die unless $proto eq 'madison';
811 $data= access_cfg('madison-distro','RETURN-UNDEF');
812 $data //= access_basedistro();
814 $rmad{$proto,$data,$package} ||= cmdoutput
815 qw(rmadison -asource),"-s$isuite","-u$data",$package;
816 my $rmad = $rmad{$proto,$data,$package};
819 foreach my $l (split /\n/, $rmad) {
820 $l =~ m{^ \s*( [^ \t|]+ )\s* \|
821 \s*( [^ \t|]+ )\s* \|
822 \s*( [^ \t|/]+ )(?:/([^ \t|/]+))? \s* \|
823 \s*( [^ \t|]+ )\s* }x or die "$rmad ?";
824 $1 eq $package or die "$rmad $package ?";
831 $component = access_cfg('archive-query-default-component');
833 $5 eq 'source' or die "$rmad ?";
834 push @out, [$vsn,pool_dsc_subpath($vsn,$component),$newsuite];
836 return sort { -version_compare($a->[0],$b->[0]); } @out;
839 sub canonicalise_suite_madison {
840 # madison canonicalises for us
841 my @r = madison_get_parse(@_);
843 "unable to canonicalise suite using package $package".
844 " which does not appear to exist in suite $isuite;".
845 " --existing-package may help";
849 #---------- `sshpsql' archive query method ----------
852 my ($data,$runeinfo,$sql) = @_;
854 $data= access_someuserhost('sshpsql').':'.
855 access_cfg('sshpsql-dbname');
857 $data =~ m/:/ or badcfg "invalid sshpsql method string \`$data'";
858 my ($userhost,$dbname) = ($`,$'); #';
860 my @cmd = (access_cfg_ssh, $userhost,
861 access_runeinfo("ssh-psql $runeinfo").
862 " export LC_MESSAGES=C; export LC_CTYPE=C;".
863 " ".shellquote qw(psql -A), $dbname, qw(-c), $sql);
865 open P, "-|", @cmd or die $!;
868 printdebug("$debugprefix>|$_|\n");
871 $!=0; $?=0; close P or failedcmd @cmd;
873 my $nrows = pop @rows;
874 $nrows =~ s/^\((\d+) rows?\)$/$1/ or die "$nrows ?";
875 @rows == $nrows+1 or die "$nrows ".(scalar @rows)." ?";
876 @rows = map { [ split /\|/, $_ ] } @rows;
877 my $ncols = scalar @{ shift @rows };
878 die if grep { scalar @$_ != $ncols } @rows;
882 sub sql_injection_check {
883 foreach (@_) { die "$_ $& ?" if m{[^-+=:_.,/0-9a-zA-Z]}; }
886 sub archive_query_sshpsql ($$) {
887 my ($proto,$data) = @_;
888 sql_injection_check $isuite, $package;
889 my @rows = sshpsql($data, "archive-query $isuite $package", <<END);
890 SELECT source.version, component.name, files.filename, files.sha256sum
892 JOIN src_associations ON source.id = src_associations.source
893 JOIN suite ON suite.id = src_associations.suite
894 JOIN dsc_files ON dsc_files.source = source.id
895 JOIN files_archive_map ON files_archive_map.file_id = dsc_files.file
896 JOIN component ON component.id = files_archive_map.component_id
897 JOIN files ON files.id = dsc_files.file
898 WHERE ( suite.suite_name='$isuite' OR suite.codename='$isuite' )
899 AND source.source='$package'
900 AND files.filename LIKE '%.dsc';
902 @rows = sort { -version_compare($a->[0],$b->[0]) } @rows;
903 my $digester = Digest::SHA->new(256);
905 my ($vsn,$component,$filename,$sha256sum) = @$_;
906 [ $vsn, "/pool/$component/$filename",$digester,$sha256sum ];
911 sub canonicalise_suite_sshpsql ($$) {
912 my ($proto,$data) = @_;
913 sql_injection_check $isuite;
914 my @rows = sshpsql($data, "canonicalise-suite $isuite", <<END);
915 SELECT suite.codename
916 FROM suite where suite_name='$isuite' or codename='$isuite';
918 @rows = map { $_->[0] } @rows;
919 fail "unknown suite $isuite" unless @rows;
920 die "ambiguous $isuite: @rows ?" if @rows>1;
924 #---------- `dummycat' archive query method ----------
926 sub canonicalise_suite_dummycat ($$) {
927 my ($proto,$data) = @_;
928 my $dpath = "$data/suite.$isuite";
929 if (!open C, "<", $dpath) {
930 $!==ENOENT or die "$dpath: $!";
931 printdebug "dummycat canonicalise_suite $isuite $dpath ENOENT\n";
935 chomp or die "$dpath: $!";
937 printdebug "dummycat canonicalise_suite $isuite $dpath = $_\n";
941 sub archive_query_dummycat ($$) {
942 my ($proto,$data) = @_;
943 canonicalise_suite();
944 my $dpath = "$data/package.$csuite.$package";
945 if (!open C, "<", $dpath) {
946 $!==ENOENT or die "$dpath: $!";
947 printdebug "dummycat query $csuite $package $dpath ENOENT\n";
955 printdebug "dummycat query $csuite $package $dpath | $_\n";
956 my @row = split /\s+/, $_;
957 @row==2 or die "$dpath: $_ ?";
960 C->error and die "$dpath: $!";
962 return sort { -version_compare($a->[0],$b->[0]); } @rows;
965 #---------- archive query entrypoints and rest of program ----------
967 sub canonicalise_suite () {
968 return if defined $csuite;
969 fail "cannot operate on $isuite suite" if $isuite eq 'UNRELEASED';
970 $csuite = archive_query('canonicalise_suite');
971 if ($isuite ne $csuite) {
972 progress "canonical suite name for $isuite is $csuite";
976 sub get_archive_dsc () {
977 canonicalise_suite();
978 my @vsns = archive_query('archive_query');
979 foreach my $vinfo (@vsns) {
980 my ($vsn,$subpath,$digester,$digest) = @$vinfo;
981 $dscurl = access_cfg('mirror').$subpath;
982 $dscdata = url_get($dscurl);
984 $skew_warning_vsn = $vsn if !defined $skew_warning_vsn;
989 $digester->add($dscdata);
990 my $got = $digester->hexdigest();
992 fail "$dscurl has hash $got but".
993 " archive told us to expect $digest";
995 my $dscfh = new IO::File \$dscdata, '<' or die $!;
996 printdebug Dumper($dscdata) if $debuglevel>1;
997 $dsc = parsecontrolfh($dscfh,$dscurl,1);
998 printdebug Dumper($dsc) if $debuglevel>1;
999 my $fmt = getfield $dsc, 'Format';
1000 fail "unsupported source format $fmt, sorry" unless $format_ok{$fmt};
1001 $dsc_checked = !!$digester;
1007 sub check_for_git ();
1008 sub check_for_git () {
1010 my $how = access_cfg('git-check');
1011 if ($how eq 'ssh-cmd') {
1013 (access_cfg_ssh, access_gituserhost(),
1014 access_runeinfo("git-check $package").
1015 " set -e; cd ".access_cfg('git-path').";".
1016 " if test -d $package.git; then echo 1; else echo 0; fi");
1017 my $r= cmdoutput @cmd;
1018 if ($r =~ m/^divert (\w+)$/) {
1020 my ($usedistro,) = access_distros();
1021 $instead_distro= cfg("dgit-distro.$usedistro.diverts.$divert");
1022 $instead_distro =~ s{^/}{ access_basedistro()."/" }e;
1023 printdebug "diverting $divert so using distro $instead_distro\n";
1024 return check_for_git();
1026 failedcmd @cmd unless $r =~ m/^[01]$/;
1028 } elsif ($how eq 'true') {
1030 } elsif ($how eq 'false') {
1033 badcfg "unknown git-check \`$how'";
1037 sub create_remote_git_repo () {
1038 my $how = access_cfg('git-create');
1039 if ($how eq 'ssh-cmd') {
1041 (access_cfg_ssh, access_gituserhost(),
1042 access_runeinfo("git-create $package").
1043 "set -e; cd ".access_cfg('git-path').";".
1044 " cp -a _template $package.git");
1045 } elsif ($how eq 'true') {
1048 badcfg "unknown git-create \`$how'";
1052 our ($dsc_hash,$lastpush_hash);
1054 our $ud = '.git/dgit/unpack';
1059 mkdir $ud or die $!;
1062 sub mktree_in_ud_here () {
1063 runcmd qw(git init -q);
1064 rmtree('.git/objects');
1065 symlink '../../../../objects','.git/objects' or die $!;
1068 sub git_write_tree () {
1069 my $tree = cmdoutput @git, qw(write-tree);
1070 $tree =~ m/^\w+$/ or die "$tree ?";
1074 sub mktree_in_ud_from_only_subdir () {
1075 # changes into the subdir
1077 die unless @dirs==1;
1078 $dirs[0] =~ m#^([^/]+)/\.$# or die;
1081 fail "source package contains .git directory" if stat_exists '.git';
1082 mktree_in_ud_here();
1083 my $format=get_source_format();
1084 if (madformat($format)) {
1087 runcmd @git, qw(add -Af);
1088 my $tree=git_write_tree();
1089 return ($tree,$dir);
1092 sub dsc_files_info () {
1093 foreach my $csumi (['Checksums-Sha256','Digest::SHA', 'new(256)'],
1094 ['Checksums-Sha1', 'Digest::SHA', 'new(1)'],
1095 ['Files', 'Digest::MD5', 'new()']) {
1096 my ($fname, $module, $method) = @$csumi;
1097 my $field = $dsc->{$fname};
1098 next unless defined $field;
1099 eval "use $module; 1;" or die $@;
1101 foreach (split /\n/, $field) {
1103 m/^(\w+) (\d+) (\S+)$/ or
1104 fail "could not parse .dsc $fname line \`$_'";
1105 my $digester = eval "$module"."->$method;" or die $@;
1110 Digester => $digester,
1115 fail "missing any supported Checksums-* or Files field in ".
1116 $dsc->get_option('name');
1120 map { $_->{Filename} } dsc_files_info();
1123 sub is_orig_file ($;$) {
1126 m/\.orig(?:-\w+)?\.tar\.\w+$/ or return 0;
1127 defined $base or return 1;
1131 sub make_commit ($) {
1133 return cmdoutput @git, qw(hash-object -w -t commit), $file;
1136 sub clogp_authline ($) {
1138 my $author = getfield $clogp, 'Maintainer';
1139 $author =~ s#,.*##ms;
1140 my $date = cmdoutput qw(date), '+%s %z', qw(-d), getfield($clogp,'Date');
1141 my $authline = "$author $date";
1142 $authline =~ m/^[^<>]+ \<\S+\> \d+ [-+]\d+$/ or
1143 fail "unexpected commit author line format \`$authline'".
1144 " (was generated from changelog Maintainer field)";
1148 sub vendor_patches_distro ($$) {
1149 my ($checkdistro, $what) = @_;
1150 return unless defined $checkdistro;
1152 my $series = "debian/patches/\L$checkdistro\E.series";
1153 printdebug "checking for vendor-specific $series ($what)\n";
1155 if (!open SERIES, "<", $series) {
1156 die "$series $!" unless $!==ENOENT;
1165 Unfortunately, this source package uses a feature of dpkg-source where
1166 the same source package unpacks to different source code on different
1167 distros. dgit cannot safely operate on such packages on affected
1168 distros, because the meaning of source packages is not stable.
1170 Please ask the distro/maintainer to remove the distro-specific series
1171 files and use a different technique (if necessary, uploading actually
1172 different packages, if different distros are supposed to have
1176 fail "Found active distro-specific series file for".
1177 " $checkdistro ($what): $series, cannot continue";
1179 die "$series $!" if SERIES->error;
1183 sub check_for_vendor_patches () {
1184 # This dpkg-source feature doesn't seem to be documented anywhere!
1185 # But it can be found in the changelog (reformatted):
1187 # commit 4fa01b70df1dc4458daee306cfa1f987b69da58c
1188 # Author: Raphael Hertzog <hertzog@debian.org>
1189 # Date: Sun Oct 3 09:36:48 2010 +0200
1191 # dpkg-source: correctly create .pc/.quilt_series with alternate
1194 # If you have debian/patches/ubuntu.series and you were
1195 # unpacking the source package on ubuntu, quilt was still
1196 # directed to debian/patches/series instead of
1197 # debian/patches/ubuntu.series.
1199 # debian/changelog | 3 +++
1200 # scripts/Dpkg/Source/Package/V3/quilt.pm | 4 +++-
1201 # 2 files changed, 6 insertions(+), 1 deletion(-)
1204 vendor_patches_distro($ENV{DEB_VENDOR}, "DEB_VENDOR");
1205 vendor_patches_distro(Dpkg::Vendor::get_current_vendor(),
1206 "Dpkg::Vendor \`current vendor'");
1207 vendor_patches_distro(access_basedistro(),
1208 "distro being accessed");
1211 sub generate_commit_from_dsc () {
1215 foreach my $fi (dsc_files_info()) {
1216 my $f = $fi->{Filename};
1217 die "$f ?" if $f =~ m#/|^\.|\.dsc$|\.tmp$#;
1219 link "../../../$f", $f
1223 complete_file_from_dsc('.', $fi);
1225 if (is_orig_file($f)) {
1226 link $f, "../../../../$f"
1232 my $dscfn = "$package.dsc";
1234 open D, ">", $dscfn or die "$dscfn: $!";
1235 print D $dscdata or die "$dscfn: $!";
1236 close D or die "$dscfn: $!";
1237 my @cmd = qw(dpkg-source);
1238 push @cmd, '--no-check' if $dsc_checked;
1239 push @cmd, qw(-x --), $dscfn;
1242 my ($tree,$dir) = mktree_in_ud_from_only_subdir();
1243 check_for_vendor_patches() if madformat($dsc->{format});
1244 runcmd qw(sh -ec), 'dpkg-parsechangelog >../changelog.tmp';
1245 my $clogp = parsecontrol('../changelog.tmp',"commit's changelog");
1246 my $authline = clogp_authline $clogp;
1247 my $changes = getfield $clogp, 'Changes';
1248 open C, ">../commit.tmp" or die $!;
1249 print C <<END or die $!;
1256 # imported from the archive
1259 my $outputhash = make_commit qw(../commit.tmp);
1260 my $cversion = getfield $clogp, 'Version';
1261 progress "synthesised git commit from .dsc $cversion";
1262 if ($lastpush_hash) {
1263 runcmd @git, qw(reset --hard), $lastpush_hash;
1264 runcmd qw(sh -ec), 'dpkg-parsechangelog >>../changelogold.tmp';
1265 my $oldclogp = parsecontrol('../changelogold.tmp','previous changelog');
1266 my $oversion = getfield $oldclogp, 'Version';
1268 version_compare($oversion, $cversion);
1270 # git upload/ is earlier vsn than archive, use archive
1271 open C, ">../commit2.tmp" or die $!;
1272 print C <<END or die $!;
1274 parent $lastpush_hash
1279 Record $package ($cversion) in archive suite $csuite
1281 $outputhash = make_commit qw(../commit2.tmp);
1282 } elsif ($vcmp > 0) {
1283 print STDERR <<END or die $!;
1285 Version actually in archive: $cversion (older)
1286 Last allegedly pushed/uploaded: $oversion (newer or same)
1289 $outputhash = $lastpush_hash;
1291 $outputhash = $lastpush_hash;
1294 changedir '../../../..';
1295 runcmd @git, qw(update-ref -m),"dgit fetch import $cversion",
1296 'DGIT_ARCHIVE', $outputhash;
1297 cmdoutput @git, qw(log -n2), $outputhash;
1298 # ... gives git a chance to complain if our commit is malformed
1303 sub complete_file_from_dsc ($$) {
1304 our ($dstdir, $fi) = @_;
1305 # Ensures that we have, in $dir, the file $fi, with the correct
1306 # contents. (Downloading it from alongside $dscurl if necessary.)
1308 my $f = $fi->{Filename};
1309 my $tf = "$dstdir/$f";
1312 if (stat_exists $tf) {
1313 progress "using existing $f";
1316 $furl =~ s{/[^/]+$}{};
1318 die "$f ?" unless $f =~ m/^${package}_/;
1319 die "$f ?" if $f =~ m#/#;
1320 runcmd_ordryrun_local @curl,qw(-o),$tf,'--',"$furl";
1321 next if !act_local();
1325 open F, "<", "$tf" or die "$tf: $!";
1326 $fi->{Digester}->reset();
1327 $fi->{Digester}->addfile(*F);
1328 F->error and die $!;
1329 my $got = $fi->{Digester}->hexdigest();
1330 $got eq $fi->{Hash} or
1331 fail "file $f has hash $got but .dsc".
1332 " demands hash $fi->{Hash} ".
1333 ($downloaded ? "(got wrong file from archive!)"
1334 : "(perhaps you should delete this file?)");
1337 sub ensure_we_have_orig () {
1338 foreach my $fi (dsc_files_info()) {
1339 my $f = $fi->{Filename};
1340 next unless is_orig_file($f);
1341 complete_file_from_dsc('..', $fi);
1345 sub git_fetch_us () {
1346 my @specs = (fetchspec());
1348 map { "+refs/$_/*:".lrfetchrefs."/$_/*" }
1350 runcmd_ordryrun_local @git, qw(fetch -p -n), access_giturl(), @specs;
1353 my $tagpat = debiantag('*',access_basedistro);
1355 git_for_each_ref("refs/tags/".$tagpat, sub {
1356 my ($objid,$objtype,$fullrefname,$reftail) = @_;
1357 printdebug "currently $fullrefname=$objid\n";
1358 $here{$fullrefname} = $objid;
1360 git_for_each_ref(lrfetchrefs."/tags/".$tagpat, sub {
1361 my ($objid,$objtype,$fullrefname,$reftail) = @_;
1362 my $lref = "refs".substr($fullrefname, length lrfetchrefs);
1363 printdebug "offered $lref=$objid\n";
1364 if (!defined $here{$lref}) {
1365 my @upd = (@git, qw(update-ref), $lref, $objid, '');
1366 runcmd_ordryrun_local @upd;
1367 } elsif ($here{$lref} eq $objid) {
1370 "Not updateting $lref from $here{$lref} to $objid.\n";
1375 sub fetch_from_archive () {
1376 # ensures that lrref() is what is actually in the archive,
1377 # one way or another
1381 foreach my $field (@ourdscfield) {
1382 $dsc_hash = $dsc->{$field};
1383 last if defined $dsc_hash;
1385 if (defined $dsc_hash) {
1386 $dsc_hash =~ m/\w+/ or fail "invalid hash in .dsc \`$dsc_hash'";
1388 progress "last upload to archive specified git hash";
1390 progress "last upload to archive has NO git hash";
1393 progress "no version available from the archive";
1396 $lastpush_hash = git_get_ref(lrref());
1397 printdebug "previous reference hash=$lastpush_hash\n";
1399 if (defined $dsc_hash) {
1400 fail "missing remote git history even though dsc has hash -".
1401 " could not find ref ".lrref().
1402 " (should have been fetched from ".access_giturl()."#".rrref().")"
1403 unless $lastpush_hash;
1405 ensure_we_have_orig();
1406 if ($dsc_hash eq $lastpush_hash) {
1407 } elsif (is_fast_fwd($dsc_hash,$lastpush_hash)) {
1408 print STDERR <<END or die $!;
1410 Git commit in archive is behind the last version allegedly pushed/uploaded.
1411 Commit referred to by archive: $dsc_hash
1412 Last allegedly pushed/uploaded: $lastpush_hash
1415 $hash = $lastpush_hash;
1417 fail "git head (".lrref()."=$lastpush_hash) is not a ".
1418 "descendant of archive's .dsc hash ($dsc_hash)";
1421 $hash = generate_commit_from_dsc();
1422 } elsif ($lastpush_hash) {
1423 # only in git, not in the archive yet
1424 $hash = $lastpush_hash;
1425 print STDERR <<END or die $!;
1427 Package not found in the archive, but has allegedly been pushed using dgit.
1431 printdebug "nothing found!\n";
1432 if (defined $skew_warning_vsn) {
1433 print STDERR <<END or die $!;
1435 Warning: relevant archive skew detected.
1436 Archive allegedly contains $skew_warning_vsn
1437 But we were not able to obtain any version from the archive or git.
1443 printdebug "current hash=$hash\n";
1444 if ($lastpush_hash) {
1445 fail "not fast forward on last upload branch!".
1446 " (archive's version left in DGIT_ARCHIVE)"
1447 unless is_fast_fwd($lastpush_hash, $hash);
1449 if (defined $skew_warning_vsn) {
1451 printdebug "SKEW CHECK WANT $skew_warning_vsn\n";
1452 my $clogf = ".git/dgit/changelog.tmp";
1453 runcmd shell_cmd "exec >$clogf",
1454 @git, qw(cat-file blob), "$hash:debian/changelog";
1455 my $gotclogp = parsechangelog("-l$clogf");
1456 my $got_vsn = getfield $gotclogp, 'Version';
1457 printdebug "SKEW CHECK GOT $got_vsn\n";
1458 if (version_compare($got_vsn, $skew_warning_vsn) < 0) {
1459 print STDERR <<END or die $!;
1461 Warning: archive skew detected. Using the available version:
1462 Archive allegedly contains $skew_warning_vsn
1463 We were able to obtain only $got_vsn
1468 if ($lastpush_hash ne $hash) {
1469 my @upd_cmd = (@git, qw(update-ref -m), 'dgit fetch', lrref(), $hash);
1473 dryrun_report @upd_cmd;
1479 sub set_local_git_config ($$) {
1481 runcmd @git, qw(config), $k, $v;
1484 sub setup_mergechangelogs () {
1485 my $driver = 'dpkg-mergechangelogs';
1486 my $cb = "merge.$driver";
1487 my $attrs = '.git/info/attributes';
1488 ensuredir '.git/info';
1490 open NATTRS, ">", "$attrs.new" or die "$attrs.new $!";
1491 if (!open ATTRS, "<", $attrs) {
1492 $!==ENOENT or die "$attrs: $!";
1496 next if m{^debian/changelog\s};
1497 print NATTRS $_, "\n" or die $!;
1499 ATTRS->error and die $!;
1502 print NATTRS "debian/changelog merge=$driver\n" or die $!;
1505 set_local_git_config "$cb.name", 'debian/changelog merge driver';
1506 set_local_git_config "$cb.driver", 'dpkg-mergechangelogs -m %O %A %B %A';
1508 rename "$attrs.new", "$attrs" or die "$attrs: $!";
1513 canonicalise_suite();
1514 badusage "dry run makes no sense with clone" unless act_local();
1515 my $hasgit = check_for_git();
1516 mkdir $dstdir or die "$dstdir $!";
1518 runcmd @git, qw(init -q);
1519 my $giturl = access_giturl(1);
1520 if (defined $giturl) {
1521 set_local_git_config "remote.$remotename.fetch", fetchspec();
1522 open H, "> .git/HEAD" or die $!;
1523 print H "ref: ".lref()."\n" or die $!;
1525 runcmd @git, qw(remote add), 'origin', $giturl;
1528 progress "fetching existing git history";
1530 runcmd_ordryrun_local @git, qw(fetch origin);
1532 progress "starting new git history";
1534 fetch_from_archive() or no_such_package;
1535 my $vcsgiturl = $dsc->{'Vcs-Git'};
1536 if (length $vcsgiturl) {
1537 $vcsgiturl =~ s/\s+-b\s+\S+//g;
1538 runcmd @git, qw(remote add vcs-git), $vcsgiturl;
1540 setup_mergechangelogs();
1541 runcmd @git, qw(reset --hard), lrref();
1542 printdone "ready for work in $dstdir";
1546 if (check_for_git()) {
1549 fetch_from_archive() or no_such_package();
1550 printdone "fetched into ".lrref();
1555 runcmd_ordryrun_local @git, qw(merge -m),"Merge from $csuite [dgit]",
1557 printdone "fetched to ".lrref()." and merged into HEAD";
1560 sub check_not_dirty () {
1561 return if $ignoredirty;
1562 my @cmd = (@git, qw(diff --quiet HEAD));
1564 $!=0; $?=0; system @cmd;
1565 return if !$! && !$?;
1566 if (!$! && $?==256) {
1567 fail "working tree is dirty (does not match HEAD)";
1573 sub commit_admin ($) {
1576 runcmd_ordryrun_local @git, qw(commit -m), $m;
1579 sub commit_quilty_patch () {
1580 my $output = cmdoutput @git, qw(status --porcelain);
1582 foreach my $l (split /\n/, $output) {
1583 next unless $l =~ m/\S/;
1584 if ($l =~ m{^(?:\?\?| M) (.pc|debian/patches)}) {
1588 delete $adds{'.pc'}; # if there wasn't one before, don't add it
1590 progress "nothing quilty to commit, ok.";
1593 runcmd_ordryrun_local @git, qw(add), sort keys %adds;
1594 commit_admin "Commit Debian 3.0 (quilt) metadata";
1597 sub get_source_format () {
1598 if (!open F, "debian/source/format") {
1599 die $! unless $!==&ENOENT;
1603 F->error and die $!;
1610 return 0 unless $format eq '3.0 (quilt)';
1611 if ($quilt_mode eq 'nocheck') {
1612 progress "Not doing any fixup of \`$format' due to --no-quilt-fixup";
1615 progress "Format \`$format', checking/updating patch stack";
1619 sub push_parse_changelog ($) {
1622 my $clogp = Dpkg::Control::Hash->new();
1623 $clogp->load($clogpfn) or die;
1625 $package = getfield $clogp, 'Source';
1626 my $cversion = getfield $clogp, 'Version';
1627 my $tag = debiantag($cversion, access_basedistro);
1628 runcmd @git, qw(check-ref-format), $tag;
1630 my $dscfn = dscfn($cversion);
1632 return ($clogp, $cversion, $tag, $dscfn);
1635 sub push_parse_dsc ($$$) {
1636 my ($dscfn,$dscfnwhat, $cversion) = @_;
1637 $dsc = parsecontrol($dscfn,$dscfnwhat);
1638 my $dversion = getfield $dsc, 'Version';
1639 my $dscpackage = getfield $dsc, 'Source';
1640 ($dscpackage eq $package && $dversion eq $cversion) or
1641 fail "$dscfn is for $dscpackage $dversion".
1642 " but debian/changelog is for $package $cversion";
1645 sub push_mktag ($$$$$$$) {
1646 my ($head,$clogp,$tag,
1648 $changesfile,$changesfilewhat,
1651 $dsc->{$ourdscfield[0]} = $head;
1652 $dsc->save("$dscfn.tmp") or die $!;
1654 my $changes = parsecontrol($changesfile,$changesfilewhat);
1655 foreach my $field (qw(Source Distribution Version)) {
1656 $changes->{$field} eq $clogp->{$field} or
1657 fail "changes field $field \`$changes->{$field}'".
1658 " does not match changelog \`$clogp->{$field}'";
1661 my $cversion = getfield $clogp, 'Version';
1662 my $clogsuite = getfield $clogp, 'Distribution';
1664 # We make the git tag by hand because (a) that makes it easier
1665 # to control the "tagger" (b) we can do remote signing
1666 my $authline = clogp_authline $clogp;
1667 my $delibs = join(" ", "",@deliberatelies);
1668 my $declaredistro = access_basedistro();
1669 open TO, '>', $tfn->('.tmp') or die $!;
1670 print TO <<END or die $!;
1676 $package release $cversion for $clogsuite ($csuite) [dgit]
1677 [dgit distro=$declaredistro$delibs]
1679 foreach my $ref (sort keys %previously) {
1680 print TO <<END or die $!;
1681 [dgit previously:$ref=$previously{$ref}]
1687 my $tagobjfn = $tfn->('.tmp');
1689 if (!defined $keyid) {
1690 $keyid = access_cfg('keyid','RETURN-UNDEF');
1692 unlink $tfn->('.tmp.asc') or $!==&ENOENT or die $!;
1693 my @sign_cmd = (@gpg, qw(--detach-sign --armor));
1694 push @sign_cmd, qw(-u),$keyid if defined $keyid;
1695 push @sign_cmd, $tfn->('.tmp');
1696 runcmd_ordryrun @sign_cmd;
1698 $tagobjfn = $tfn->('.signed.tmp');
1699 runcmd shell_cmd "exec >$tagobjfn", qw(cat --),
1700 $tfn->('.tmp'), $tfn->('.tmp.asc');
1707 sub sign_changes ($) {
1708 my ($changesfile) = @_;
1710 my @debsign_cmd = @debsign;
1711 push @debsign_cmd, "-k$keyid" if defined $keyid;
1712 push @debsign_cmd, "-p$gpg[0]" if $gpg[0] ne 'gpg';
1713 push @debsign_cmd, $changesfile;
1714 runcmd_ordryrun @debsign_cmd;
1719 my ($forceflag) = @_;
1720 printdebug "actually entering push\n";
1723 access_giturl(); # check that success is vaguely likely
1725 my $clogpfn = ".git/dgit/changelog.822.tmp";
1726 runcmd shell_cmd "exec >$clogpfn", qw(dpkg-parsechangelog);
1728 responder_send_file('parsed-changelog', $clogpfn);
1730 my ($clogp, $cversion, $tag, $dscfn) =
1731 push_parse_changelog("$clogpfn");
1733 my $dscpath = "$buildproductsdir/$dscfn";
1734 stat_exists $dscpath or
1735 fail "looked for .dsc $dscfn, but $!;".
1736 " maybe you forgot to build";
1738 responder_send_file('dsc', $dscpath);
1740 push_parse_dsc($dscpath, $dscfn, $cversion);
1742 my $format = getfield $dsc, 'Format';
1743 printdebug "format $format\n";
1744 if (madformat($format)) {
1745 commit_quilty_patch();
1749 progress "checking that $dscfn corresponds to HEAD";
1750 runcmd qw(dpkg-source -x --),
1751 $dscpath =~ m#^/# ? $dscpath : "../../../$dscpath";
1752 my ($tree,$dir) = mktree_in_ud_from_only_subdir();
1753 check_for_vendor_patches() if madformat($dsc->{format});
1754 changedir '../../../..';
1755 my $diffopt = $debuglevel>0 ? '--exit-code' : '--quiet';
1756 my @diffcmd = (@git, qw(diff), $diffopt, $tree);
1757 debugcmd "+",@diffcmd;
1759 my $r = system @diffcmd;
1762 fail "$dscfn specifies a different tree to your HEAD commit;".
1763 " perhaps you forgot to build".
1764 ($diffopt eq '--exit-code' ? "" :
1765 " (run with -D to see full diff output)");
1771 #do fast forward check and maybe fake merge
1772 # if (!is_fast_fwd(mainbranch
1773 # runcmd @git, qw(fetch -p ), "$alioth_git/$package.git",
1774 # map { lref($_).":".rref($_) }
1776 my $head = git_rev_parse('HEAD');
1777 if (!$changesfile) {
1778 my $multi = "$buildproductsdir/".
1779 "${package}_".(stripepoch $cversion)."_multi.changes";
1780 if (stat_exists "$multi") {
1781 $changesfile = $multi;
1783 my $pat = "${package}_".(stripepoch $cversion)."_*.changes";
1784 my @cs = glob "$buildproductsdir/$pat";
1785 fail "failed to find unique changes file".
1786 " (looked for $pat in $buildproductsdir, or $multi);".
1787 " perhaps you need to use dgit -C"
1789 ($changesfile) = @cs;
1792 $changesfile = "$buildproductsdir/$changesfile";
1795 responder_send_file('changes',$changesfile);
1796 responder_send_command("param head $head");
1797 responder_send_command("param csuite $csuite");
1799 if (deliberately_not_fast_forward) {
1800 git_for_each_ref(lrfetchrefs, sub {
1801 my ($objid,$objtype,$lrfetchrefname,$reftail) = @_;
1802 my $rrefname= substr($lrfetchrefname, length(lrfetchrefs) + 1);
1803 responder_send_command("previously $rrefname=$objid");
1804 $previously{$rrefname} = $objid;
1808 my $tfn = sub { ".git/dgit/tag$_[0]"; };
1811 if ($we_are_responder) {
1812 $tagobjfn = $tfn->('.signed.tmp');
1813 responder_receive_files('signed-tag', $tagobjfn);
1816 push_mktag($head,$clogp,$tag,
1818 $changesfile,$changesfile,
1822 my $tag_obj_hash = cmdoutput @git, qw(hash-object -w -t tag), $tagobjfn;
1823 runcmd_ordryrun @git, qw(verify-tag), $tag_obj_hash;
1824 runcmd_ordryrun_local @git, qw(update-ref), "refs/tags/$tag", $tag_obj_hash;
1825 runcmd_ordryrun @git, qw(tag -v --), $tag;
1827 if (!check_for_git()) {
1828 create_remote_git_repo();
1830 runcmd_ordryrun @git, qw(push),access_giturl(),
1831 $forceflag."HEAD:".rrref(), $forceflag."refs/tags/$tag";
1832 runcmd_ordryrun @git, qw(update-ref -m), 'dgit push', lrref(), 'HEAD';
1834 if ($we_are_responder) {
1835 my $dryrunsuffix = act_local() ? "" : ".tmp";
1836 responder_receive_files('signed-dsc-changes',
1837 "$dscpath$dryrunsuffix",
1838 "$changesfile$dryrunsuffix");
1841 rename "$dscpath.tmp",$dscpath or die "$dscfn $!";
1843 progress "[new .dsc left in $dscpath.tmp]";
1845 sign_changes $changesfile;
1848 my $host = access_cfg('upload-host','RETURN-UNDEF');
1849 my @hostarg = defined($host) ? ($host,) : ();
1850 runcmd_ordryrun @dput, @hostarg, $changesfile;
1851 printdone "pushed and uploaded $cversion";
1853 responder_send_command("complete");
1859 badusage "-p is not allowed with clone; specify as argument instead"
1860 if defined $package;
1863 } elsif (@ARGV==2 && $ARGV[1] =~ m#^\w#) {
1864 ($package,$isuite) = @ARGV;
1865 } elsif (@ARGV==2 && $ARGV[1] =~ m#^[./]#) {
1866 ($package,$dstdir) = @ARGV;
1867 } elsif (@ARGV==3) {
1868 ($package,$isuite,$dstdir) = @ARGV;
1870 badusage "incorrect arguments to dgit clone";
1872 $dstdir ||= "$package";
1874 if (stat_exists $dstdir) {
1875 fail "$dstdir already exists";
1879 if ($rmonerror && !$dryrun_level) {
1880 $cwd_remove= getcwd();
1882 return unless defined $cwd_remove;
1883 if (!chdir "$cwd_remove") {
1884 return if $!==&ENOENT;
1885 die "chdir $cwd_remove: $!";
1887 rmtree($dstdir) or die "remove $dstdir: $!\n";
1892 $cwd_remove = undef;
1895 sub branchsuite () {
1896 my $branch = cmdoutput_errok @git, qw(symbolic-ref HEAD);
1897 if ($branch =~ m#$lbranch_re#o) {
1904 sub fetchpullargs () {
1905 if (!defined $package) {
1906 my $sourcep = parsecontrol('debian/control','debian/control');
1907 $package = getfield $sourcep, 'Source';
1910 # $isuite = branchsuite(); # this doesn't work because dak hates canons
1912 my $clogp = parsechangelog();
1913 $isuite = getfield $clogp, 'Distribution';
1915 canonicalise_suite();
1916 progress "fetching from suite $csuite";
1917 } elsif (@ARGV==1) {
1919 canonicalise_suite();
1921 badusage "incorrect arguments to dgit fetch or dgit pull";
1939 badusage "-p is not allowed with dgit push" if defined $package;
1941 my $clogp = parsechangelog();
1942 $package = getfield $clogp, 'Source';
1945 } elsif (@ARGV==1) {
1946 ($specsuite) = (@ARGV);
1948 badusage "incorrect arguments to dgit push";
1950 $isuite = getfield $clogp, 'Distribution';
1952 local ($package) = $existing_package; # this is a hack
1953 canonicalise_suite();
1955 canonicalise_suite();
1957 if (defined $specsuite &&
1958 $specsuite ne $isuite &&
1959 $specsuite ne $csuite) {
1960 fail "dgit push: changelog specifies $isuite ($csuite)".
1961 " but command line specifies $specsuite";
1963 if (check_for_git()) {
1967 if (fetch_from_archive()) {
1968 if (is_fast_fwd(lrref(), 'HEAD')) {
1970 } elsif (deliberately_not_fast_forward) {
1973 fail "dgit push: HEAD is not a descendant".
1974 " of the archive's version.\n".
1975 "dgit: To overwrite its contents,".
1976 " use git merge -s ours ".lrref().".\n".
1977 "dgit: To rewind history, if permitted by the archive,".
1978 " use --deliberately-not-fast-forward";
1982 fail "package appears to be new in this suite;".
1983 " if this is intentional, use --new";
1988 #---------- remote commands' implementation ----------
1990 sub cmd_remote_push_build_host {
1991 my ($nrargs) = shift @ARGV;
1992 my (@rargs) = @ARGV[0..$nrargs-1];
1993 @ARGV = @ARGV[$nrargs..$#ARGV];
1995 my ($dir,$vsnwant) = @rargs;
1996 # vsnwant is a comma-separated list; we report which we have
1997 # chosen in our ready response (so other end can tell if they
2000 $we_are_responder = 1;
2001 $us .= " (build host)";
2003 open PI, "<&STDIN" or die $!;
2004 open STDIN, "/dev/null" or die $!;
2005 open PO, ">&STDOUT" or die $!;
2007 open STDOUT, ">&STDERR" or die $!;
2011 fail "build host has dgit rpush protocol version".
2012 " $rpushprotovsn but invocation host has $vsnwant"
2013 unless grep { $rpushprotovsn eq $_ } split /,/, $vsnwant;
2015 responder_send_command("dgit-remote-push-ready $rpushprotovsn");
2021 sub cmd_remote_push_responder { cmd_remote_push_build_host(); }
2022 # ... for compatibility with proto vsn.1 dgit (just so that user gets
2023 # a good error message)
2029 my $report = i_child_report();
2030 if (defined $report) {
2031 printdebug "($report)\n";
2032 } elsif ($i_child_pid) {
2033 printdebug "(killing build host child $i_child_pid)\n";
2034 kill 15, $i_child_pid;
2036 if (defined $i_tmp && !defined $initiator_tempdir) {
2038 eval { rmtree $i_tmp; };
2042 END { i_cleanup(); }
2045 my ($base,$selector,@args) = @_;
2046 $selector =~ s/\-/_/g;
2047 { no strict qw(refs); &{"${base}_${selector}"}(@args); }
2053 if ($host =~ m/^((?:[^][]|\[[^][]*\])*)\:/) {
2060 my @rargs = ($dir,$rpushprotovsn);
2063 push @rdgit, @ropts;
2064 push @rdgit, qw(remote-push-build-host), (scalar @rargs), @rargs;
2066 my @cmd = (@ssh, $host, shellquote @rdgit);
2069 if (defined $initiator_tempdir) {
2070 rmtree $initiator_tempdir;
2071 mkdir $initiator_tempdir, 0700 or die "$initiator_tempdir: $!";
2072 $i_tmp = $initiator_tempdir;
2076 $i_child_pid = open2(\*RO, \*RI, @cmd);
2078 initiator_expect { m/^dgit-remote-push-ready/ };
2080 my ($icmd,$iargs) = initiator_expect {
2081 m/^(\S+)(?: (.*))?$/;
2084 i_method "i_resp", $icmd, $iargs;
2088 sub i_resp_progress ($) {
2090 my $msg = protocol_read_bytes \*RO, $rhs;
2094 sub i_resp_complete {
2095 my $pid = $i_child_pid;
2096 $i_child_pid = undef; # prevents killing some other process with same pid
2097 printdebug "waiting for build host child $pid...\n";
2098 my $got = waitpid $pid, 0;
2099 die $! unless $got == $pid;
2100 die "build host child failed $?" if $?;
2103 printdebug "all done\n";
2107 sub i_resp_file ($) {
2109 my $localname = i_method "i_localname", $keyword;
2110 my $localpath = "$i_tmp/$localname";
2111 stat_exists $localpath and
2112 badproto \*RO, "file $keyword ($localpath) twice";
2113 protocol_receive_file \*RO, $localpath;
2114 i_method "i_file", $keyword;
2119 sub i_resp_param ($) {
2120 $_[0] =~ m/^(\S+) (.*)$/ or badproto \*RO, "bad param spec";
2124 sub i_resp_previously ($) {
2125 $_[0] =~ m#^(refs/tags/\S+)=(\w+)$#
2126 or badproto \*RO, "bad previously spec";
2127 my $r = system qw(git check-ref-format), $1;
2128 die "bad previously ref spec ($r)" if $r;
2129 $previously{$1} = $2;
2134 sub i_resp_want ($) {
2136 die "$keyword ?" if $i_wanted{$keyword}++;
2137 my @localpaths = i_method "i_want", $keyword;
2138 printdebug "[[ $keyword @localpaths\n";
2139 foreach my $localpath (@localpaths) {
2140 protocol_send_file \*RI, $localpath;
2142 print RI "files-end\n" or die $!;
2145 our ($i_clogp, $i_version, $i_tag, $i_dscfn, $i_changesfn);
2147 sub i_localname_parsed_changelog {
2148 return "remote-changelog.822";
2150 sub i_file_parsed_changelog {
2151 ($i_clogp, $i_version, $i_tag, $i_dscfn) =
2152 push_parse_changelog "$i_tmp/remote-changelog.822";
2153 die if $i_dscfn =~ m#/|^\W#;
2156 sub i_localname_dsc {
2157 defined $i_dscfn or badproto \*RO, "dsc (before parsed-changelog)";
2162 sub i_localname_changes {
2163 defined $i_dscfn or badproto \*RO, "dsc (before parsed-changelog)";
2164 $i_changesfn = $i_dscfn;
2165 $i_changesfn =~ s/\.dsc$/_dgit.changes/ or die;
2166 return $i_changesfn;
2168 sub i_file_changes { }
2170 sub i_want_signed_tag {
2171 printdebug Dumper(\%i_param, $i_dscfn);
2172 defined $i_param{'head'} && defined $i_dscfn && defined $i_clogp
2173 && defined $i_param{'csuite'}
2174 or badproto \*RO, "premature desire for signed-tag";
2175 my $head = $i_param{'head'};
2176 die if $head =~ m/[^0-9a-f]/ || $head !~ m/^../;
2178 die unless $i_param{'csuite'} =~ m/^$suite_re$/;
2180 push_parse_dsc $i_dscfn, 'remote dsc', $i_version;
2183 push_mktag $head, $i_clogp, $i_tag,
2185 $i_changesfn, 'remote changes',
2186 sub { "tag$_[0]"; };
2191 sub i_want_signed_dsc_changes {
2192 rename "$i_dscfn.tmp","$i_dscfn" or die "$i_dscfn $!";
2193 sign_changes $i_changesfn;
2194 return ($i_dscfn, $i_changesfn);
2197 #---------- building etc. ----------
2203 #----- `3.0 (quilt)' handling -----
2205 our $fakeeditorenv = 'DGIT_FAKE_EDITOR_QUILT';
2207 sub quiltify_dpkg_commit ($$$;$) {
2208 my ($patchname,$author,$msg, $xinfo) = @_;
2212 my $descfn = ".git/dgit/quilt-description.tmp";
2213 open O, '>', $descfn or die "$descfn: $!";
2216 $msg =~ s/^\s+$/ ./mg;
2217 print O <<END or die $!;
2227 local $ENV{'EDITOR'} = cmdoutput qw(realpath --), $0;
2228 local $ENV{'VISUAL'} = $ENV{'EDITOR'};
2229 local $ENV{$fakeeditorenv} = cmdoutput qw(realpath --), $descfn;
2230 runcmd_ordryrun_local @dpkgsource, qw(--commit .), $patchname;
2234 sub quiltify_trees_differ ($$) {
2236 # returns 1 iff the two tree objects differ other than in debian/
2238 my @cmd = (@git, qw(diff-tree --name-only -z), $x, $y);
2239 my $diffs= cmdoutput @cmd;
2240 foreach my $f (split /\0/, $diffs) {
2241 next if $f eq 'debian';
2247 sub quiltify_tree_sentinelfiles ($) {
2248 # lists the `sentinel' files present in the tree
2250 my $r = cmdoutput @git, qw(ls-tree --name-only), $x,
2251 qw(-- debian/rules debian/control);
2257 my ($clogp,$target) = @_;
2259 # Quilt patchification algorithm
2261 # We search backwards through the history of the main tree's HEAD
2262 # (T) looking for a start commit S whose tree object is identical
2263 # to to the patch tip tree (ie the tree corresponding to the
2264 # current dpkg-committed patch series). For these purposes
2265 # `identical' disregards anything in debian/ - this wrinkle is
2266 # necessary because dpkg-source treates debian/ specially.
2268 # We can only traverse edges where at most one of the ancestors'
2269 # trees differs (in changes outside in debian/). And we cannot
2270 # handle edges which change .pc/ or debian/patches. To avoid
2271 # going down a rathole we avoid traversing edges which introduce
2272 # debian/rules or debian/control. And we set a limit on the
2273 # number of edges we are willing to look at.
2275 # If we succeed, we walk forwards again. For each traversed edge
2276 # PC (with P parent, C child) (starting with P=S and ending with
2277 # C=T) to we do this:
2279 # - dpkg-source --commit with a patch name and message derived from C
2280 # After traversing PT, we git commit the changes which
2281 # should be contained within debian/patches.
2283 changedir '../fake';
2284 mktree_in_ud_here();
2286 runcmd @git, 'add', '.';
2287 my $oldtiptree=git_write_tree();
2288 changedir '../work';
2290 # The search for the path S..T is breadth-first. We maintain a
2291 # todo list containing search nodes. A search node identifies a
2292 # commit, and looks something like this:
2294 # Commit => $git_commit_id,
2295 # Child => $c, # or undef if P=T
2296 # Whynot => $reason_edge_PC_unsuitable, # in @nots only
2297 # Nontrivial => true iff $p..$c has relevant changes
2304 my %considered; # saves being exponential on some weird graphs
2306 my $t_sentinels = quiltify_tree_sentinelfiles $target;
2309 my ($search,$whynot) = @_;
2310 printdebug " search NOT $search->{Commit} $whynot\n";
2311 $search->{Whynot} = $whynot;
2312 push @nots, $search;
2313 no warnings qw(exiting);
2322 my $c = shift @todo;
2323 next if $considered{$c->{Commit}}++;
2325 $not->($c, "maximum search space exceeded") if --$max_work <= 0;
2327 printdebug "quiltify investigate $c->{Commit}\n";
2330 if (!quiltify_trees_differ $c->{Commit}, $oldtiptree) {
2331 printdebug " search finished hooray!\n";
2336 if ($quilt_mode eq 'nofix') {
2337 fail "quilt fixup required but quilt mode is \`nofix'\n".
2338 "HEAD commit $c->{Commit} differs from tree implied by ".
2339 " debian/patches (tree object $oldtiptree)";
2341 if ($quilt_mode eq 'smash') {
2342 printdebug " search quitting smash\n";
2346 my $c_sentinels = quiltify_tree_sentinelfiles $c->{Commit};
2347 $not->($c, "has $c_sentinels not $t_sentinels")
2348 if $c_sentinels ne $t_sentinels;
2350 my $commitdata = cmdoutput @git, qw(cat-file commit), $c->{Commit};
2351 $commitdata =~ m/\n\n/;
2353 my @parents = ($commitdata =~ m/^parent (\w+)$/gm);
2354 @parents = map { { Commit => $_, Child => $c } } @parents;
2356 $not->($c, "root commit") if !@parents;
2358 foreach my $p (@parents) {
2359 $p->{Nontrivial}= quiltify_trees_differ $p->{Commit},$c->{Commit};
2361 my $ndiffers = grep { $_->{Nontrivial} } @parents;
2362 $not->($c, "merge ($ndiffers nontrivial parents)") if $ndiffers > 1;
2364 foreach my $p (@parents) {
2365 printdebug "considering C=$c->{Commit} P=$p->{Commit}\n";
2367 my @cmd= (@git, qw(diff-tree -r --name-only),
2368 $p->{Commit},$c->{Commit}, qw(-- debian/patches .pc));
2369 my $patchstackchange = cmdoutput @cmd;
2370 if (length $patchstackchange) {
2371 $patchstackchange =~ s/\n/,/g;
2372 $not->($p, "changed $patchstackchange");
2375 printdebug " search queue P=$p->{Commit} ",
2376 ($p->{Nontrivial} ? "NT" : "triv"),"\n";
2382 printdebug "quiltify want to smash\n";
2385 my $x = $_[0]{Commit};
2386 $x =~ s/(.*?[0-9a-z]{8})[0-9a-z]*$/$1/;
2389 my $reportnot = sub {
2391 my $s = $abbrev->($notp);
2392 my $c = $notp->{Child};
2393 $s .= "..".$abbrev->($c) if $c;
2394 $s .= ": ".$notp->{Whynot};
2397 if ($quilt_mode eq 'linear') {
2398 print STDERR "$us: quilt fixup cannot be linear. Stopped at:\n";
2399 foreach my $notp (@nots) {
2400 print STDERR "$us: ", $reportnot->($notp), "\n";
2402 fail "quilt fixup naive history linearisation failed.\n".
2403 "Use dpkg-source --commit by hand; or, --quilt=smash for one ugly patch";
2404 } elsif ($quilt_mode eq 'smash') {
2405 } elsif ($quilt_mode eq 'auto') {
2406 progress "quilt fixup cannot be linear, smashing...";
2408 die "$quilt_mode ?";
2413 my $msg = cmdoutput @git, qw(log), "-n$ncommits";
2415 quiltify_dpkg_commit "auto-$version-$target-$time",
2416 (getfield $clogp, 'Maintainer'),
2417 "Automatically generated patch ($clogp->{Version})\n".
2418 "Last (up to) $ncommits git changes, FYI:\n\n". $msg;
2422 progress "quiltify linearisation planning successful, executing...";
2424 for (my $p = $sref_S;
2425 my $c = $p->{Child};
2427 printdebug "quiltify traverse $p->{Commit}..$c->{Commit}\n";
2428 next unless $p->{Nontrivial};
2430 my $cc = $c->{Commit};
2432 my $commitdata = cmdoutput @git, qw(cat-file commit), $cc;
2433 $commitdata =~ m/\n\n/ or die "$c ?";
2436 $commitdata =~ m/^author (.*) \d+ [-+0-9]+$/m or die "$cc ?";
2439 $msg =~ s/^(.*)\n*/$1\n/ or die "$cc $msg ?";
2442 my $patchname = $title;
2443 $patchname =~ s/[.:]$//;
2444 $patchname =~ y/ A-Z/-a-z/;
2445 $patchname =~ y/-a-z0-9_.+=~//cd;
2446 $patchname =~ s/^\W/x-$&/;
2447 $patchname = substr($patchname,0,40);
2450 stat "debian/patches/$patchname$index";
2452 $!==ENOENT or die "$patchname$index $!";
2454 runcmd @git, qw(checkout -q), $cc;
2456 # We use the tip's changelog so that dpkg-source doesn't
2457 # produce complaining messages from dpkg-parsechangelog. None
2458 # of the information dpkg-source gets from the changelog is
2459 # actually relevant - it gets put into the original message
2460 # which dpkg-source provides our stunt editor, and then
2462 runcmd @git, qw(checkout -q), $target, qw(debian/changelog);
2464 quiltify_dpkg_commit "$patchname$index", $author, $msg,
2465 "X-Dgit-Generated: $clogp->{Version} $cc\n";
2467 runcmd @git, qw(checkout -q), $cc, qw(debian/changelog);
2470 runcmd @git, qw(checkout -q master);
2473 sub build_maybe_quilt_fixup () {
2474 my $format=get_source_format;
2475 return unless madformat $format;
2478 check_for_vendor_patches();
2481 # - honour any existing .pc in case it has any strangeness
2482 # - determine the git commit corresponding to the tip of
2483 # the patch stack (if there is one)
2484 # - if there is such a git commit, convert each subsequent
2485 # git commit into a quilt patch with dpkg-source --commit
2486 # - otherwise convert all the differences in the tree into
2487 # a single git commit
2491 # Our git tree doesn't necessarily contain .pc. (Some versions of
2492 # dgit would include the .pc in the git tree.) If there isn't
2493 # one, we need to generate one by unpacking the patches that we
2496 # We first look for a .pc in the git tree. If there is one, we
2497 # will use it. (This is not the normal case.)
2499 # Otherwise need to regenerate .pc so that dpkg-source --commit
2500 # can work. We do this as follows:
2501 # 1. Collect all relevant .orig from parent directory
2502 # 2. Generate a debian.tar.gz out of
2503 # debian/{patches,rules,source/format}
2504 # 3. Generate a fake .dsc containing just these fields:
2505 # Format Source Version Files
2506 # 4. Extract the fake .dsc
2507 # Now the fake .dsc has a .pc directory.
2508 # (In fact we do this in every case, because in future we will
2509 # want to search for a good base commit for generating patches.)
2511 # Then we can actually do the dpkg-source --commit
2512 # 1. Make a new working tree with the same object
2513 # store as our main tree and check out the main
2515 # 2. Copy .pc from the fake's extraction, if necessary
2516 # 3. Run dpkg-source --commit
2517 # 4. If the result has changes to debian/, then
2518 # - git-add them them
2519 # - git-add .pc if we had a .pc in-tree
2521 # 5. If we had a .pc in-tree, delete it, and git-commit
2522 # 6. Back in the main tree, fast forward to the new HEAD
2524 my $clogp = parsechangelog();
2525 my $headref = git_rev_parse('HEAD');
2530 my $upstreamversion=$version;
2531 $upstreamversion =~ s/-[^-]*$//;
2533 my $fakeversion="$upstreamversion-~~DGITFAKE";
2535 my $fakedsc=new IO::File 'fake.dsc', '>' or die $!;
2536 print $fakedsc <<END or die $!;
2539 Version: $fakeversion
2543 my $dscaddfile=sub {
2546 my $md = new Digest::MD5;
2548 my $fh = new IO::File $b, '<' or die "$b $!";
2553 print $fakedsc " ".$md->hexdigest." $size $b\n" or die $!;
2556 foreach my $f (<../../../../*>) { #/){
2557 my $b=$f; $b =~ s{.*/}{};
2558 next unless is_orig_file $b, srcfn $upstreamversion,'';
2559 link $f, $b or die "$b $!";
2563 my @files=qw(debian/source/format debian/rules);
2564 if (stat_exists '../../../debian/patches') {
2565 push @files, 'debian/patches';
2568 my $debtar= srcfn $fakeversion,'.debian.tar.gz';
2569 runcmd qw(env GZIP=-1 tar -zcf), "./$debtar", qw(-C ../../..), @files;
2571 $dscaddfile->($debtar);
2572 close $fakedsc or die $!;
2574 runcmd qw(sh -ec), 'exec dpkg-source --no-check -x fake.dsc >/dev/null';
2576 my $fakexdir= $package.'-'.(stripepoch $upstreamversion);
2577 rename $fakexdir, "fake" or die "$fakexdir $!";
2579 mkdir "work" or die $!;
2581 mktree_in_ud_here();
2582 runcmd @git, qw(reset --hard), $headref;
2585 if (stat_exists ".pc") {
2587 progress "Tree already contains .pc - will use it then delete it.";
2590 rename '../fake/.pc','.pc' or die $!;
2593 quiltify($clogp,$headref);
2595 if (!open P, '>>', ".pc/applied-patches") {
2596 $!==&ENOENT or die $!;
2601 commit_quilty_patch();
2603 if ($mustdeletepc) {
2604 runcmd @git, qw(rm -rqf .pc);
2605 commit_admin "Commit removal of .pc (quilt series tracking data)";
2608 changedir '../../../..';
2609 runcmd @git, qw(pull --ff-only -q .git/dgit/unpack/work master);
2612 sub quilt_fixup_editor () {
2613 my $descfn = $ENV{$fakeeditorenv};
2614 my $editing = $ARGV[$#ARGV];
2615 open I1, '<', $descfn or die "$descfn: $!";
2616 open I2, '<', $editing or die "$editing: $!";
2617 unlink $editing or die "$editing: $!";
2618 open O, '>', $editing or die "$editing: $!";
2619 while (<I1>) { print O or die $!; } I1->error and die $!;
2622 $copying ||= m/^\-\-\- /;
2623 next unless $copying;
2626 I2->error and die $!;
2631 #----- other building -----
2634 if ($cleanmode eq 'dpkg-source') {
2635 runcmd_ordryrun_local @dpkgbuildpackage, qw(-T clean);
2636 } elsif ($cleanmode eq 'git') {
2637 runcmd_ordryrun_local @git, qw(clean -xdf);
2638 } elsif ($cleanmode eq 'none') {
2645 badusage "clean takes no additional arguments" if @ARGV;
2650 badusage "-p is not allowed when building" if defined $package;
2653 my $clogp = parsechangelog();
2654 $isuite = getfield $clogp, 'Distribution';
2655 $package = getfield $clogp, 'Source';
2656 $version = getfield $clogp, 'Version';
2657 build_maybe_quilt_fixup();
2660 sub changesopts () {
2661 my @opts =@changesopts[1..$#changesopts];
2662 if (!defined $changes_since_version) {
2663 my @vsns = archive_query('archive_query');
2664 my @quirk = access_quirk();
2665 if ($quirk[0] eq 'backports') {
2666 local $isuite = $quirk[2];
2668 canonicalise_suite();
2669 push @vsns, archive_query('archive_query');
2672 @vsns = map { $_->[0] } @vsns;
2673 @vsns = sort { -version_compare($a, $b) } @vsns;
2674 $changes_since_version = $vsns[0];
2675 progress "changelog will contain changes since $vsns[0]";
2677 $changes_since_version = '_';
2678 progress "package seems new, not specifying -v<version>";
2681 if ($changes_since_version ne '_') {
2682 unshift @opts, "-v$changes_since_version";
2687 sub massage_dbp_args ($) {
2689 return unless $cleanmode =~ m/git|none/;
2690 debugcmd '#massaging#', @$cmd if $debuglevel>1;
2691 my @newcmd = shift @$cmd;
2692 # -nc has the side effect of specifying -b if nothing else specified
2693 push @newcmd, '-nc';
2694 # and some combinations of -S, -b, et al, are errors, rather than
2695 # later simply overriding earlier
2696 push @newcmd, '-F' unless grep { m/^-[bBASF]$/ } @$cmd;
2697 push @newcmd, @$cmd;
2703 my @dbp = (@dpkgbuildpackage, qw(-us -uc), changesopts(), @ARGV);
2704 massage_dbp_args \@dbp;
2705 runcmd_ordryrun_local @dbp;
2706 printdone "build successful\n";
2711 my @dbp = @dpkgbuildpackage;
2712 massage_dbp_args \@dbp;
2714 (qw(git-buildpackage -us -uc --git-no-sign-tags),
2715 "--git-builder=@dbp");
2716 unless (grep { m/^--git-debian-branch|^--git-ignore-branch/ } @ARGV) {
2717 canonicalise_suite();
2718 push @cmd, "--git-debian-branch=".lbranch();
2720 push @cmd, changesopts();
2721 runcmd_ordryrun_local @cmd, @ARGV;
2722 printdone "build successful\n";
2727 $sourcechanges = "${package}_".(stripepoch $version)."_source.changes";
2728 $dscfn = dscfn($version);
2729 if ($cleanmode eq 'dpkg-source') {
2730 runcmd_ordryrun_local (@dpkgbuildpackage, qw(-us -uc -S)),
2733 my $pwd = must_getcwd();
2734 my $leafdir = basename $pwd;
2736 runcmd_ordryrun_local @dpkgsource, qw(-b --), $leafdir;
2738 runcmd_ordryrun_local qw(sh -ec),
2739 'exec >$1; shift; exec "$@"','x',
2740 "../$sourcechanges",
2741 @dpkggenchanges, qw(-S), changesopts();
2745 sub cmd_build_source {
2746 badusage "build-source takes no additional arguments" if @ARGV;
2748 printdone "source built, results in $dscfn and $sourcechanges";
2754 my $pat = "${package}_".(stripepoch $version)."_*.changes";
2756 stat_exist $dscfn or fail "$dscfn (in parent directory): $!";
2757 stat_exists $sourcechanges
2758 or fail "$sourcechanges (in parent directory): $!";
2759 foreach my $cf (glob $pat) {
2760 next if $cf eq $sourcechanges;
2761 unlink $cf or fail "remove $cf: $!";
2764 runcmd_ordryrun_local @sbuild, @ARGV, qw(-d), $isuite, $dscfn;
2765 my @changesfiles = glob $pat;
2766 @changesfiles = sort {
2767 ($b =~ m/_source\.changes$/ <=> $a =~ m/_source\.changes$/)
2770 fail "wrong number of different changes files (@changesfiles)"
2771 unless @changesfiles;
2772 runcmd_ordryrun_local @mergechanges, @changesfiles;
2773 my $multichanges = "${package}_".(stripepoch $version)."_multi.changes";
2775 stat_exists $multichanges or fail "$multichanges: $!";
2777 printdone "build successful, results in $multichanges\n" or die $!;
2780 sub cmd_quilt_fixup {
2781 badusage "incorrect arguments to dgit quilt-fixup" if @ARGV;
2782 my $clogp = parsechangelog();
2783 $version = getfield $clogp, 'Version';
2784 $package = getfield $clogp, 'Source';
2785 build_maybe_quilt_fixup();
2788 sub cmd_archive_api_query {
2789 badusage "need only 1 subpath argument" unless @ARGV==1;
2790 my ($subpath) = @ARGV;
2791 my @cmd = archive_api_query_cmd($subpath);
2793 exec @cmd or fail "exec curl: $!\n";
2796 sub cmd_clone_dgit_repos_server {
2797 badusage "need destination argument" unless @ARGV==1;
2798 my ($destdir) = @ARGV;
2799 $package = '_dgit-repos-server';
2800 my @cmd = (@git, qw(clone), access_giturl(), $destdir);
2802 exec @cmd or fail "exec git clone: $!\n";
2805 #---------- argument parsing and main program ----------
2808 print "dgit version $our_version\n" or die $!;
2815 if (defined $ENV{'DGIT_SSH'}) {
2816 @ssh = string_to_ssh $ENV{'DGIT_SSH'};
2817 } elsif (defined $ENV{'GIT_SSH'}) {
2818 @ssh = ($ENV{'GIT_SSH'});
2822 last unless $ARGV[0] =~ m/^-/;
2826 if (m/^--dry-run$/) {
2829 } elsif (m/^--damp-run$/) {
2832 } elsif (m/^--no-sign$/) {
2835 } elsif (m/^--help$/) {
2837 } elsif (m/^--version$/) {
2839 } elsif (m/^--new$/) {
2842 } elsif (m/^--since-version=([^_]+|_)$/) {
2844 $changes_since_version = $1;
2845 } elsif (m/^--([-0-9a-z]+)=(.*)/s &&
2846 ($om = $opts_opt_map{$1}) &&
2850 } elsif (m/^--([-0-9a-z]+):(.*)/s &&
2851 !$opts_opt_cmdonly{$1} &&
2852 ($om = $opts_opt_map{$1})) {
2855 } elsif (m/^--existing-package=(.*)/s) {
2857 $existing_package = $1;
2858 } elsif (m/^--initiator-tempdir=(.*)/s) {
2859 $initiator_tempdir = $1;
2860 $initiator_tempdir =~ m#^/# or
2861 badusage "--initiator-tempdir must be used specify an".
2862 " absolute, not relative, directory."
2863 } elsif (m/^--distro=(.*)/s) {
2866 } elsif (m/^--build-products-dir=(.*)/s) {
2868 $buildproductsdir = $1;
2869 } elsif (m/^--clean=(dpkg-source|git|none)$/s) {
2872 } elsif (m/^--clean=(.*)$/s) {
2873 badusage "unknown cleaning mode \`$1'";
2874 } elsif (m/^--quilt=($quilt_modes_re)$/s) {
2877 } elsif (m/^--quilt=(.*)$/s) {
2878 badusage "unknown quilt fixup mode \`$1'";
2879 } elsif (m/^--ignore-dirty$/s) {
2882 } elsif (m/^--no-quilt-fixup$/s) {
2884 $quilt_mode = 'nocheck';
2885 } elsif (m/^--no-rm-on-error$/s) {
2888 } elsif (m/^--deliberately-($deliberately_re)$/s) {
2890 push @deliberatelies, $&;
2892 badusage "unknown long option \`$_'";
2899 } elsif (s/^-L/-/) {
2902 } elsif (s/^-h/-/) {
2904 } elsif (s/^-D/-/) {
2908 } elsif (s/^-N/-/) {
2911 } elsif (s/^-v([^_]+|_)$//s) {
2913 $changes_since_version = $1;
2916 push @changesopts, $_;
2918 } elsif (s/^-c(.*=.*)//s) {
2920 push @git, '-c', $1;
2921 } elsif (s/^-d(.+)//s) {
2924 } elsif (s/^-C(.+)//s) {
2927 if ($changesfile =~ s#^(.*)/##) {
2928 $buildproductsdir = $1;
2930 } elsif (s/^-k(.+)//s) {
2932 } elsif (m/^-[vdCk]$/) {
2934 "option \`$_' requires an argument (and no space before the argument)";
2935 } elsif (s/^-wn$//s) {
2937 $cleanmode = 'none';
2938 } elsif (s/^-wg$//s) {
2941 } elsif (s/^-wd$//s) {
2943 $cleanmode = 'dpkg-source';
2945 badusage "unknown short option \`$_'";
2952 if ($ENV{$fakeeditorenv}) {
2953 quilt_fixup_editor();
2957 print STDERR "DRY RUN ONLY\n" if $dryrun_level > 1;
2958 print STDERR "DAMP RUN - WILL MAKE LOCAL (UNSIGNED) CHANGES\n"
2959 if $dryrun_level == 1;
2961 print STDERR $helpmsg or die $!;
2964 my $cmd = shift @ARGV;
2967 if (!defined $quilt_mode) {
2968 $quilt_mode = cfg('dgit.force.quilt-mode', 'RETURN-UNDEF')
2969 // access_cfg('quilt-mode', 'RETURN-UNDEF')
2971 $quilt_mode =~ m/^($quilt_modes_re)$/
2972 or badcfg "unknown quilt-mode \`$quilt_mode'";
2976 my $fn = ${*::}{"cmd_$cmd"};
2977 $fn or badusage "unknown operation $cmd";