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/>.
28 use Dpkg::Control::Hash;
30 use File::Temp qw(tempdir);
40 our $our_version = 'UNRELEASED'; ###substituted###
42 our @rpushprotovsn_support = qw(3 2);
45 our $isuite = 'unstable';
51 our $dryrun_level = 0;
53 our $buildproductsdir = '..';
59 our $existing_package = 'dpkg';
60 our $cleanmode = 'dpkg-source';
61 our $changes_since_version;
63 our $quilt_modes_re = 'linear|smash|auto|nofix|nocheck';
64 our $we_are_responder;
65 our $initiator_tempdir;
67 our %format_ok = map { $_=>1 } ("1.0","3.0 (native)","3.0 (quilt)");
69 our $suite_re = '[-+.0-9a-z]+';
72 our (@dget) = qw(dget);
73 our (@curl) = qw(curl -f);
74 our (@dput) = qw(dput);
75 our (@debsign) = qw(debsign);
77 our (@sbuild) = qw(sbuild -A);
79 our (@dgit) = qw(dgit);
80 our (@dpkgbuildpackage) = qw(dpkg-buildpackage -i\.git/ -I.git);
81 our (@dpkgsource) = qw(dpkg-source -i\.git/ -I.git);
82 our (@dpkggenchanges) = qw(dpkg-genchanges);
83 our (@mergechanges) = qw(mergechanges -f);
84 our (@changesopts) = ('');
86 our %opts_opt_map = ('dget' => \@dget, # accept for compatibility
89 'debsign' => \@debsign,
94 'dpkg-source' => \@dpkgsource,
95 'dpkg-buildpackage' => \@dpkgbuildpackage,
96 'dpkg-genchanges' => \@dpkggenchanges,
97 'ch' => \@changesopts,
98 'mergechanges' => \@mergechanges);
100 our %opts_opt_cmdonly = ('gpg' => 1);
101 our %opts_cfg_insertpos = map {
103 scalar @{ $opts_opt_map{$_} }
104 } keys %opts_opt_map;
106 sub finalise_opts_opts();
112 our $supplementary_message = '';
116 print STDERR "! $_\n" foreach $supplementary_message =~ m/^.+$/mg;
119 our $remotename = 'dgit';
120 our @ourdscfield = qw(Dgit Vcs-Dgit-Master);
124 sub lbranch () { return "$branchprefix/$csuite"; }
125 my $lbranch_re = '^refs/heads/'.$branchprefix.'/([^/.]+)$';
126 sub lref () { return "refs/heads/".lbranch(); }
127 sub lrref () { return "refs/remotes/$remotename/".server_branch($csuite); }
128 sub rrref () { return server_ref($csuite); }
130 sub lrfetchrefs () { return "refs/dgit-fetch/$csuite"; }
140 return "${package}_".(stripepoch $vsn).$sfx
145 return srcfn($vsn,".dsc");
154 foreach my $f (@end) {
156 warn "$us: cleanup: $@" if length $@;
160 sub badcfg { print STDERR "$us: invalid configuration: @_\n"; exit 12; }
162 sub no_such_package () {
163 print STDERR "$us: package $package does not exist in suite $isuite\n";
169 return "+".rrref().":".lrref();
174 printdebug "CD $newdir\n";
175 chdir $newdir or die "chdir: $newdir: $!";
178 sub deliberately ($) {
180 return !!grep { $_ eq "--deliberately-$enquiry" } @deliberatelies;
183 sub deliberately_not_fast_forward () {
184 foreach (qw(not-fast-forward fresh-repo)) {
185 return 1 if deliberately($_) || deliberately("TEST-dgit-only-$_");
189 #---------- remote protocol support, common ----------
191 # remote push initiator/responder protocol:
192 # $ dgit remote-push-build-host <n-rargs> <rargs>... <push-args>...
193 # where <rargs> is <push-host-dir> <supported-proto-vsn>,... ...
194 # < dgit-remote-push-ready <actual-proto-vsn>
196 # > file parsed-changelog
197 # [indicates that output of dpkg-parsechangelog follows]
198 # > data-block NBYTES
199 # > [NBYTES bytes of data (no newline)]
200 # [maybe some more blocks]
212 # [indicates that signed tag is wanted]
213 # < data-block NBYTES
214 # < [NBYTES bytes of data (no newline)]
215 # [maybe some more blocks]
219 # > want signed-dsc-changes
220 # < data-block NBYTES [transfer of signed dsc]
222 # < data-block NBYTES [transfer of signed changes]
230 sub i_child_report () {
231 # Sees if our child has died, and reap it if so. Returns a string
232 # describing how it died if it failed, or undef otherwise.
233 return undef unless $i_child_pid;
234 my $got = waitpid $i_child_pid, WNOHANG;
235 return undef if $got <= 0;
236 die unless $got == $i_child_pid;
237 $i_child_pid = undef;
238 return undef unless $?;
239 return "build host child ".waitstatusmsg();
244 fail "connection lost: $!" if $fh->error;
245 fail "protocol violation; $m not expected";
248 sub badproto_badread ($$) {
250 fail "connection lost: $!" if $!;
251 my $report = i_child_report();
252 fail $report if defined $report;
253 badproto $fh, "eof (reading $wh)";
256 sub protocol_expect (&$) {
257 my ($match, $fh) = @_;
260 defined && chomp or badproto_badread $fh, "protocol message";
268 badproto $fh, "\`$_'";
271 sub protocol_send_file ($$) {
272 my ($fh, $ourfn) = @_;
273 open PF, "<", $ourfn or die "$ourfn: $!";
276 my $got = read PF, $d, 65536;
277 die "$ourfn: $!" unless defined $got;
279 print $fh "data-block ".length($d)."\n" or die $!;
280 print $fh $d or die $!;
282 PF->error and die "$ourfn $!";
283 print $fh "data-end\n" or die $!;
287 sub protocol_read_bytes ($$) {
288 my ($fh, $nbytes) = @_;
289 $nbytes =~ m/^[1-9]\d{0,5}$|^0$/ or badproto \*RO, "bad byte count";
291 my $got = read $fh, $d, $nbytes;
292 $got==$nbytes or badproto_badread $fh, "data block";
296 sub protocol_receive_file ($$) {
297 my ($fh, $ourfn) = @_;
298 printdebug "() $ourfn\n";
299 open PF, ">", $ourfn or die "$ourfn: $!";
301 my ($y,$l) = protocol_expect {
302 m/^data-block (.*)$/ ? (1,$1) :
303 m/^data-end$/ ? (0,) :
307 my $d = protocol_read_bytes $fh, $l;
308 print PF $d or die $!;
313 #---------- remote protocol support, responder ----------
315 sub responder_send_command ($) {
317 return unless $we_are_responder;
318 # called even without $we_are_responder
319 printdebug ">> $command\n";
320 print PO $command, "\n" or die $!;
323 sub responder_send_file ($$) {
324 my ($keyword, $ourfn) = @_;
325 return unless $we_are_responder;
326 printdebug "]] $keyword $ourfn\n";
327 responder_send_command "file $keyword";
328 protocol_send_file \*PO, $ourfn;
331 sub responder_receive_files ($@) {
332 my ($keyword, @ourfns) = @_;
333 die unless $we_are_responder;
334 printdebug "[[ $keyword @ourfns\n";
335 responder_send_command "want $keyword";
336 foreach my $fn (@ourfns) {
337 protocol_receive_file \*PI, $fn;
340 protocol_expect { m/^files-end$/ } \*PI;
343 #---------- remote protocol support, initiator ----------
345 sub initiator_expect (&) {
347 protocol_expect { &$match } \*RO;
350 #---------- end remote code ----------
353 if ($we_are_responder) {
355 responder_send_command "progress ".length($m) or die $!;
356 print PO $m or die $!;
366 $ua = LWP::UserAgent->new();
370 progress "downloading $what...";
371 my $r = $ua->get(@_) or die $!;
372 return undef if $r->code == 404;
373 $r->is_success or fail "failed to fetch $what: ".$r->status_line;
374 return $r->decoded_content(charset => 'none');
377 our ($dscdata,$dscurl,$dsc,$dsc_checked,$skew_warning_vsn);
382 failedcmd @_ if system @_;
385 sub act_local () { return $dryrun_level <= 1; }
386 sub act_scary () { return !$dryrun_level; }
389 if (!$dryrun_level) {
390 progress "dgit ok: @_";
392 progress "would be ok: @_ (but dry run only)";
397 printcmd(\*STDERR,$debugprefix."#",@_);
400 sub runcmd_ordryrun {
408 sub runcmd_ordryrun_local {
417 my ($first_shell, @cmd) = @_;
418 return qw(sh -ec), $first_shell.'; exec "$@"', 'x', @cmd;
421 our $helpmsg = <<END;
423 dgit [dgit-opts] clone [dgit-opts] package [suite] [./dir|/dir]
424 dgit [dgit-opts] fetch|pull [dgit-opts] [suite]
425 dgit [dgit-opts] build [git-buildpackage-opts|dpkg-buildpackage-opts]
426 dgit [dgit-opts] push [dgit-opts] [suite]
427 dgit [dgit-opts] rpush build-host:build-dir ...
428 important dgit options:
429 -k<keyid> sign tag and package with <keyid> instead of default
430 --dry-run -n do not change anything, but go through the motions
431 --damp-run -L like --dry-run but make local changes, without signing
432 --new -N allow introducing a new package
433 --debug -D increase debug level
434 -c<name>=<value> set git config option (used directly by dgit too)
437 our $later_warning_msg = <<END;
438 Perhaps the upload is stuck in incoming. Using the version from git.
442 print STDERR "$us: @_\n", $helpmsg or die $!;
447 @ARGV or badusage "too few arguments";
448 return scalar shift @ARGV;
452 print $helpmsg or die $!;
456 our $td = $ENV{DGIT_TEST_DUMMY_DIR} || "DGIT_TEST_DUMMY_DIR-unset";
458 our %defcfg = ('dgit.default.distro' => 'debian',
459 'dgit.default.username' => '',
460 'dgit.default.archive-query-default-component' => 'main',
461 'dgit.default.ssh' => 'ssh',
462 'dgit.default.archive-query' => 'madison:',
463 'dgit.default.sshpsql-dbname' => 'service=projectb',
464 'dgit-distro.debian.archive-query' => 'ftpmasterapi:',
465 'dgit-distro.debian.git-check' => 'url',
466 'dgit-distro.debian.git-check-suffix' => '/info/refs',
467 'dgit-distro.debian.new-private-pushers' => 't',
468 'dgit-distro.debian/push.git-url' => '',
469 'dgit-distro.debian/push.git-host' => 'push.dgit.debian.org',
470 'dgit-distro.debian/push.git-user-force' => 'dgit',
471 'dgit-distro.debian/push.git-proto' => 'git+ssh://',
472 'dgit-distro.debian/push.git-path' => '/dgit/debian/repos',
473 'dgit-distro.debian/push.git-create' => 'true',
474 'dgit-distro.debian/push.git-check' => 'ssh-cmd',
475 'dgit-distro.debian.archive-query-url', 'https://api.ftp-master.debian.org/',
476 # 'dgit-distro.debian.archive-query-tls-key',
477 # '/etc/ssl/certs/%HOST%.pem:/etc/dgit/%HOST%.pem',
478 # ^ this does not work because curl is broken nowadays
479 # Fixing #790093 properly will involve providing providing the key
480 # in some pacagke and maybe updating these paths.
482 # 'dgit-distro.debian.archive-query-tls-curl-args',
483 # '--ca-path=/etc/ssl/ca-debian',
484 # ^ this is a workaround but works (only) on DSA-administered machines
485 'dgit-distro.debian.git-url' => 'https://git.dgit.debian.org',
486 'dgit-distro.debian.git-url-suffix' => '',
487 'dgit-distro.debian.upload-host' => 'ftp-master', # for dput
488 'dgit-distro.debian.mirror' => 'http://ftp.debian.org/debian/',
489 'dgit-distro.debian.backports-quirk' => '(squeeze)-backports*',
490 'dgit-distro.debian-backports.mirror' => 'http://backports.debian.org/debian-backports/',
491 'dgit-distro.ubuntu.git-check' => 'false',
492 'dgit-distro.ubuntu.mirror' => 'http://archive.ubuntu.com/ubuntu',
493 'dgit-distro.test-dummy.ssh' => "$td/ssh",
494 'dgit-distro.test-dummy.username' => "alice",
495 'dgit-distro.test-dummy.git-check' => "ssh-cmd",
496 'dgit-distro.test-dummy.git-create' => "ssh-cmd",
497 'dgit-distro.test-dummy.git-url' => "$td/git",
498 'dgit-distro.test-dummy.git-host' => "git",
499 'dgit-distro.test-dummy.git-path' => "$td/git",
500 'dgit-distro.test-dummy.archive-query' => "ftpmasterapi:",
501 'dgit-distro.test-dummy.archive-query-url' => "file://$td/aq/",
502 'dgit-distro.test-dummy.mirror' => "file://$td/mirror/",
503 'dgit-distro.test-dummy.upload-host' => 'test-dummy',
508 sub git_slurp_config () {
509 local ($debuglevel) = $debuglevel-2;
512 my @cmd = (@git, qw(config -z --get-regexp .*));
515 open GITS, "-|", @cmd or failedcmd @cmd;
518 printdebug "=> ", (messagequote $_), "\n";
520 push @{ $gitcfg{$`} }, $'; #';
524 or ($!==0 && $?==256)
528 sub git_get_config ($) {
531 printdebug"C $c ".(defined $l ? messagequote "'$l'" : "undef")."\n"
534 @$l==1 or badcfg "multiple values for $c" if @$l > 1;
540 return undef if $c =~ /RETURN-UNDEF/;
541 my $v = git_get_config($c);
542 return $v if defined $v;
543 my $dv = $defcfg{$c};
544 return $dv if defined $dv;
546 badcfg "need value for one of: @_\n".
547 "$us: distro or suite appears not to be (properly) supported";
550 sub access_basedistro () {
551 if (defined $idistro) {
554 return cfg("dgit-suite.$isuite.distro",
555 "dgit.default.distro");
559 sub access_quirk () {
560 # returns (quirk name, distro to use instead or undef, quirk-specific info)
561 my $basedistro = access_basedistro();
562 my $backports_quirk = cfg("dgit-distro.$basedistro.backports-quirk",
564 if (defined $backports_quirk) {
565 my $re = $backports_quirk;
566 $re =~ s/[^-0-9a-z_\%*()]/\\$&/ig;
568 $re =~ s/\%/([-0-9a-z_]+)/
569 or $re =~ m/[()]/ or badcfg "backports-quirk needs \% or ( )";
570 if ($isuite =~ m/^$re$/) {
571 return ('backports',"$basedistro-backports",$1);
574 return ('none',undef);
579 sub parse_cfg_bool ($$$) {
580 my ($what,$def,$v) = @_;
583 $v =~ m/^[ty1]/ ? 1 :
584 $v =~ m/^[fn0]/ ? 0 :
585 badcfg "$what needs t (true, y, 1) or f (false, n, 0) not \`$v'";
588 sub access_forpush_config () {
589 my $d = access_basedistro();
593 parse_cfg_bool('new-private-pushers', 0,
594 cfg("dgit-distro.$d.new-private-pushers",
597 my $v = cfg("dgit-distro.$d.readonly", 'RETURN-UNDEF');
600 $v =~ m/^[ty1]/ ? 0 : # force readonly, forpush = 0
601 $v =~ m/^[fn0]/ ? 1 : # force nonreadonly, forpush = 1
602 $v =~ m/^[a]/ ? '' : # auto, forpush = ''
603 badcfg "readonly needs t (true, y, 1) or f (false, n, 0) or a (auto)";
606 sub access_forpush () {
607 $access_forpush //= access_forpush_config();
608 return $access_forpush;
612 die "$access_forpush ?" if ($access_forpush // 1) ne 1;
613 badcfg "pushing but distro is configured readonly"
614 if access_forpush_config() eq '0';
616 $supplementary_message = <<'END' unless $we_are_responder;
617 Push failed, before we got started.
618 You can retry the push, after fixing the problem, if you like.
620 finalise_opts_opts();
624 finalise_opts_opts();
627 sub supplementary_message ($) {
629 if (!$we_are_responder) {
630 $supplementary_message = $msg;
632 } elsif ($protovsn >= 3) {
633 responder_send_command "supplementary-message ".length($msg)
635 print PO $msg or die $!;
639 sub access_distros () {
640 # Returns list of distros to try, in order
643 # 0. `instead of' distro name(s) we have been pointed to
644 # 1. the access_quirk distro, if any
645 # 2a. the user's specified distro, or failing that } basedistro
646 # 2b. the distro calculated from the suite }
647 my @l = access_basedistro();
649 my (undef,$quirkdistro) = access_quirk();
650 unshift @l, $quirkdistro;
651 unshift @l, $instead_distro;
652 @l = grep { defined } @l;
654 if (access_forpush()) {
655 @l = map { ("$_/push", $_) } @l;
660 sub access_cfg_cfgs (@) {
663 # The nesting of these loops determines the search order. We put
664 # the key loop on the outside so that we search all the distros
665 # for each key, before going on to the next key. That means that
666 # if access_cfg is called with a more specific, and then a less
667 # specific, key, an earlier distro can override the less specific
668 # without necessarily overriding any more specific keys. (If the
669 # distro wants to override the more specific keys it can simply do
670 # so; whereas if we did the loop the other way around, it would be
671 # impossible to for an earlier distro to override a less specific
672 # key but not the more specific ones without restating the unknown
673 # values of the more specific keys.
676 # We have to deal with RETURN-UNDEF specially, so that we don't
677 # terminate the search prematurely.
679 if (m/RETURN-UNDEF/) { push @rundef, $_; last; }
682 foreach my $d (access_distros()) {
683 push @cfgs, map { "dgit-distro.$d.$_" } @realkeys;
685 push @cfgs, map { "dgit.default.$_" } @realkeys;
692 my (@cfgs) = access_cfg_cfgs(@keys);
693 my $value = cfg(@cfgs);
697 sub access_cfg_bool ($$) {
698 my ($def, @keys) = @_;
699 parse_cfg_bool($keys[0], $def, access_cfg(@keys, 'RETURN-UNDEF'));
702 sub string_to_ssh ($) {
704 if ($spec =~ m/\s/) {
705 return qw(sh -ec), 'exec '.$spec.' "$@"', 'x';
711 sub access_cfg_ssh () {
712 my $gitssh = access_cfg('ssh', 'RETURN-UNDEF');
713 if (!defined $gitssh) {
716 return string_to_ssh $gitssh;
720 sub access_runeinfo ($) {
722 return ": dgit ".access_basedistro()." $info ;";
725 sub access_someuserhost ($) {
727 my $user = access_cfg("$some-user-force", 'RETURN-UNDEF');
728 defined($user) && length($user) or
729 $user = access_cfg("$some-user",'username');
730 my $host = access_cfg("$some-host");
731 return length($user) ? "$user\@$host" : $host;
734 sub access_gituserhost () {
735 return access_someuserhost('git');
738 sub access_giturl (;$) {
740 my $url = access_cfg('git-url','RETURN-UNDEF');
743 my $proto = access_cfg('git-proto', 'RETURN-UNDEF');
744 return undef unless defined $proto;
747 access_gituserhost().
748 access_cfg('git-path');
750 $suffix = access_cfg('git-url-suffix','RETURN-UNDEF');
753 return "$url/$package$suffix";
756 sub parsecontrolfh ($$;$) {
757 my ($fh, $desc, $allowsigned) = @_;
758 our $dpkgcontrolhash_noissigned;
761 my %opts = ('name' => $desc);
762 $opts{allow_pgp}= $allowsigned || !$dpkgcontrolhash_noissigned;
763 $c = Dpkg::Control::Hash->new(%opts);
764 $c->parse($fh,$desc) or die "parsing of $desc failed";
765 last if $allowsigned;
766 last if $dpkgcontrolhash_noissigned;
767 my $issigned= $c->get_option('is_pgp_signed');
768 if (!defined $issigned) {
769 $dpkgcontrolhash_noissigned= 1;
770 seek $fh, 0,0 or die "seek $desc: $!";
771 } elsif ($issigned) {
772 fail "control file $desc is (already) PGP-signed. ".
773 " Note that dgit push needs to modify the .dsc and then".
774 " do the signature itself";
783 my ($file, $desc) = @_;
784 my $fh = new IO::Handle;
785 open $fh, '<', $file or die "$file: $!";
786 my $c = parsecontrolfh($fh,$desc);
787 $fh->error and die $!;
793 my ($dctrl,$field) = @_;
794 my $v = $dctrl->{$field};
795 return $v if defined $v;
796 fail "missing field $field in ".$v->get_option('name');
800 my $c = Dpkg::Control::Hash->new();
801 my $p = new IO::Handle;
802 my @cmd = (qw(dpkg-parsechangelog), @_);
803 open $p, '-|', @cmd or die $!;
805 $?=0; $!=0; close $p or failedcmd @cmd;
811 defined $d or fail "getcwd failed: $!";
817 sub archive_query ($) {
819 my $query = access_cfg('archive-query','RETURN-UNDEF');
820 $query =~ s/^(\w+):// or badcfg "invalid archive-query method \`$query'";
823 { no strict qw(refs); &{"${method}_${proto}"}($proto,$data); }
826 sub pool_dsc_subpath ($$) {
827 my ($vsn,$component) = @_; # $package is implict arg
828 my $prefix = substr($package, 0, $package =~ m/^l/ ? 4 : 1);
829 return "/pool/$component/$prefix/$package/".dscfn($vsn);
832 #---------- `ftpmasterapi' archive query method (nascent) ----------
834 sub archive_api_query_cmd ($) {
836 my @cmd = qw(curl -sS);
837 my $url = access_cfg('archive-query-url');
838 if ($url =~ m#^https://([-.0-9a-z]+)/#) {
840 my $keys = access_cfg('archive-query-tls-key','RETURN-UNDEF') //'';
841 foreach my $key (split /\:/, $keys) {
842 $key =~ s/\%HOST\%/$host/g;
844 fail "for $url: stat $key: $!" unless $!==ENOENT;
847 fail "config requested specific TLS key but do not know".
848 " how to get curl to use exactly that EE key ($key)";
849 # push @cmd, "--cacert", $key, "--capath", "/dev/enoent";
850 # # Sadly the above line does not work because of changes
851 # # to gnutls. The real fix for #790093 may involve
852 # # new curl options.
855 # Fixing #790093 properly will involve providing a value
856 # for this on clients.
857 my $kargs = access_cfg('archive-query-tls-curl-ca-args','RETURN-UNDEF');
858 push @cmd, split / /, $kargs if defined $kargs;
860 push @cmd, $url.$subpath;
866 my ($data, $subpath) = @_;
867 badcfg "ftpmasterapi archive query method takes no data part"
869 my @cmd = archive_api_query_cmd($subpath);
870 my $json = cmdoutput @cmd;
871 return decode_json($json);
874 sub canonicalise_suite_ftpmasterapi () {
875 my ($proto,$data) = @_;
876 my $suites = api_query($data, 'suites');
878 foreach my $entry (@$suites) {
880 my $v = $entry->{$_};
881 defined $v && $v eq $isuite;
883 push @matched, $entry;
885 fail "unknown suite $isuite" unless @matched;
888 @matched==1 or die "multiple matches for suite $isuite\n";
889 $cn = "$matched[0]{codename}";
890 defined $cn or die "suite $isuite info has no codename\n";
891 $cn =~ m/^$suite_re$/ or die "suite $isuite maps to bad codename\n";
893 die "bad ftpmaster api response: $@\n".Dumper(\@matched)
898 sub archive_query_ftpmasterapi () {
899 my ($proto,$data) = @_;
900 my $info = api_query($data, "dsc_in_suite/$isuite/$package");
902 my $digester = Digest::SHA->new(256);
903 foreach my $entry (@$info) {
905 my $vsn = "$entry->{version}";
906 my ($ok,$msg) = version_check $vsn;
907 die "bad version: $msg\n" unless $ok;
908 my $component = "$entry->{component}";
909 $component =~ m/^$component_re$/ or die "bad component";
910 my $filename = "$entry->{filename}";
911 $filename && $filename !~ m#[^-+:._~0-9a-zA-Z/]|^[/.]|/[/.]#
912 or die "bad filename";
913 my $sha256sum = "$entry->{sha256sum}";
914 $sha256sum =~ m/^[0-9a-f]+$/ or die "bad sha256sum";
915 push @rows, [ $vsn, "/pool/$component/$filename",
916 $digester, $sha256sum ];
918 die "bad ftpmaster api response: $@\n".Dumper($entry)
921 @rows = sort { -version_compare($a->[0],$b->[0]) } @rows;
925 #---------- `madison' archive query method ----------
927 sub archive_query_madison {
928 return map { [ @$_[0..1] ] } madison_get_parse(@_);
931 sub madison_get_parse {
932 my ($proto,$data) = @_;
933 die unless $proto eq 'madison';
935 $data= access_cfg('madison-distro','RETURN-UNDEF');
936 $data //= access_basedistro();
938 $rmad{$proto,$data,$package} ||= cmdoutput
939 qw(rmadison -asource),"-s$isuite","-u$data",$package;
940 my $rmad = $rmad{$proto,$data,$package};
943 foreach my $l (split /\n/, $rmad) {
944 $l =~ m{^ \s*( [^ \t|]+ )\s* \|
945 \s*( [^ \t|]+ )\s* \|
946 \s*( [^ \t|/]+ )(?:/([^ \t|/]+))? \s* \|
947 \s*( [^ \t|]+ )\s* }x or die "$rmad ?";
948 $1 eq $package or die "$rmad $package ?";
955 $component = access_cfg('archive-query-default-component');
957 $5 eq 'source' or die "$rmad ?";
958 push @out, [$vsn,pool_dsc_subpath($vsn,$component),$newsuite];
960 return sort { -version_compare($a->[0],$b->[0]); } @out;
963 sub canonicalise_suite_madison {
964 # madison canonicalises for us
965 my @r = madison_get_parse(@_);
967 "unable to canonicalise suite using package $package".
968 " which does not appear to exist in suite $isuite;".
969 " --existing-package may help";
973 #---------- `sshpsql' archive query method ----------
976 my ($data,$runeinfo,$sql) = @_;
978 $data= access_someuserhost('sshpsql').':'.
979 access_cfg('sshpsql-dbname');
981 $data =~ m/:/ or badcfg "invalid sshpsql method string \`$data'";
982 my ($userhost,$dbname) = ($`,$'); #';
984 my @cmd = (access_cfg_ssh, $userhost,
985 access_runeinfo("ssh-psql $runeinfo").
986 " export LC_MESSAGES=C; export LC_CTYPE=C;".
987 " ".shellquote qw(psql -A), $dbname, qw(-c), $sql);
989 open P, "-|", @cmd or die $!;
992 printdebug(">|$_|\n");
995 $!=0; $?=0; close P or failedcmd @cmd;
997 my $nrows = pop @rows;
998 $nrows =~ s/^\((\d+) rows?\)$/$1/ or die "$nrows ?";
999 @rows == $nrows+1 or die "$nrows ".(scalar @rows)." ?";
1000 @rows = map { [ split /\|/, $_ ] } @rows;
1001 my $ncols = scalar @{ shift @rows };
1002 die if grep { scalar @$_ != $ncols } @rows;
1006 sub sql_injection_check {
1007 foreach (@_) { die "$_ $& ?" if m{[^-+=:_.,/0-9a-zA-Z]}; }
1010 sub archive_query_sshpsql ($$) {
1011 my ($proto,$data) = @_;
1012 sql_injection_check $isuite, $package;
1013 my @rows = sshpsql($data, "archive-query $isuite $package", <<END);
1014 SELECT source.version, component.name, files.filename, files.sha256sum
1016 JOIN src_associations ON source.id = src_associations.source
1017 JOIN suite ON suite.id = src_associations.suite
1018 JOIN dsc_files ON dsc_files.source = source.id
1019 JOIN files_archive_map ON files_archive_map.file_id = dsc_files.file
1020 JOIN component ON component.id = files_archive_map.component_id
1021 JOIN files ON files.id = dsc_files.file
1022 WHERE ( suite.suite_name='$isuite' OR suite.codename='$isuite' )
1023 AND source.source='$package'
1024 AND files.filename LIKE '%.dsc';
1026 @rows = sort { -version_compare($a->[0],$b->[0]) } @rows;
1027 my $digester = Digest::SHA->new(256);
1029 my ($vsn,$component,$filename,$sha256sum) = @$_;
1030 [ $vsn, "/pool/$component/$filename",$digester,$sha256sum ];
1035 sub canonicalise_suite_sshpsql ($$) {
1036 my ($proto,$data) = @_;
1037 sql_injection_check $isuite;
1038 my @rows = sshpsql($data, "canonicalise-suite $isuite", <<END);
1039 SELECT suite.codename
1040 FROM suite where suite_name='$isuite' or codename='$isuite';
1042 @rows = map { $_->[0] } @rows;
1043 fail "unknown suite $isuite" unless @rows;
1044 die "ambiguous $isuite: @rows ?" if @rows>1;
1048 #---------- `dummycat' archive query method ----------
1050 sub canonicalise_suite_dummycat ($$) {
1051 my ($proto,$data) = @_;
1052 my $dpath = "$data/suite.$isuite";
1053 if (!open C, "<", $dpath) {
1054 $!==ENOENT or die "$dpath: $!";
1055 printdebug "dummycat canonicalise_suite $isuite $dpath ENOENT\n";
1059 chomp or die "$dpath: $!";
1061 printdebug "dummycat canonicalise_suite $isuite $dpath = $_\n";
1065 sub archive_query_dummycat ($$) {
1066 my ($proto,$data) = @_;
1067 canonicalise_suite();
1068 my $dpath = "$data/package.$csuite.$package";
1069 if (!open C, "<", $dpath) {
1070 $!==ENOENT or die "$dpath: $!";
1071 printdebug "dummycat query $csuite $package $dpath ENOENT\n";
1079 printdebug "dummycat query $csuite $package $dpath | $_\n";
1080 my @row = split /\s+/, $_;
1081 @row==2 or die "$dpath: $_ ?";
1084 C->error and die "$dpath: $!";
1086 return sort { -version_compare($a->[0],$b->[0]); } @rows;
1089 #---------- archive query entrypoints and rest of program ----------
1091 sub canonicalise_suite () {
1092 return if defined $csuite;
1093 fail "cannot operate on $isuite suite" if $isuite eq 'UNRELEASED';
1094 $csuite = archive_query('canonicalise_suite');
1095 if ($isuite ne $csuite) {
1096 progress "canonical suite name for $isuite is $csuite";
1100 sub get_archive_dsc () {
1101 canonicalise_suite();
1102 my @vsns = archive_query('archive_query');
1103 foreach my $vinfo (@vsns) {
1104 my ($vsn,$subpath,$digester,$digest) = @$vinfo;
1105 $dscurl = access_cfg('mirror').$subpath;
1106 $dscdata = url_get($dscurl);
1108 $skew_warning_vsn = $vsn if !defined $skew_warning_vsn;
1113 $digester->add($dscdata);
1114 my $got = $digester->hexdigest();
1116 fail "$dscurl has hash $got but".
1117 " archive told us to expect $digest";
1119 my $dscfh = new IO::File \$dscdata, '<' or die $!;
1120 printdebug Dumper($dscdata) if $debuglevel>1;
1121 $dsc = parsecontrolfh($dscfh,$dscurl,1);
1122 printdebug Dumper($dsc) if $debuglevel>1;
1123 my $fmt = getfield $dsc, 'Format';
1124 fail "unsupported source format $fmt, sorry" unless $format_ok{$fmt};
1125 $dsc_checked = !!$digester;
1131 sub check_for_git ();
1132 sub check_for_git () {
1134 my $how = access_cfg('git-check');
1135 if ($how eq 'ssh-cmd') {
1137 (access_cfg_ssh, access_gituserhost(),
1138 access_runeinfo("git-check $package").
1139 " set -e; cd ".access_cfg('git-path').";".
1140 " if test -d $package.git; then echo 1; else echo 0; fi");
1141 my $r= cmdoutput @cmd;
1142 if ($r =~ m/^divert (\w+)$/) {
1144 my ($usedistro,) = access_distros();
1145 # NB that if we are pushing, $usedistro will be $distro/push
1146 $instead_distro= cfg("dgit-distro.$usedistro.diverts.$divert");
1147 $instead_distro =~ s{^/}{ access_basedistro()."/" }e;
1148 progress "diverting to $divert (using config for $instead_distro)";
1149 return check_for_git();
1151 failedcmd @cmd unless $r =~ m/^[01]$/;
1153 } elsif ($how eq 'url') {
1154 my $prefix = access_cfg('git-check-url','git-url');
1155 my $suffix = access_cfg('git-check-suffix','git-suffix',
1156 'RETURN-UNDEF') // '.git';
1157 my $url = "$prefix/$package$suffix";
1158 my @cmd = (qw(curl -sS -I), $url);
1159 my $result = cmdoutput @cmd;
1160 $result =~ m/^\S+ (404|200) /s or
1161 fail "unexpected results from git check query - ".
1162 Dumper($prefix, $result);
1164 if ($code eq '404') {
1166 } elsif ($code eq '200') {
1171 } elsif ($how eq 'true') {
1173 } elsif ($how eq 'false') {
1176 badcfg "unknown git-check \`$how'";
1180 sub create_remote_git_repo () {
1181 my $how = access_cfg('git-create');
1182 if ($how eq 'ssh-cmd') {
1184 (access_cfg_ssh, access_gituserhost(),
1185 access_runeinfo("git-create $package").
1186 "set -e; cd ".access_cfg('git-path').";".
1187 " cp -a _template $package.git");
1188 } elsif ($how eq 'true') {
1191 badcfg "unknown git-create \`$how'";
1195 our ($dsc_hash,$lastpush_hash);
1197 our $ud = '.git/dgit/unpack';
1202 mkdir $ud or die $!;
1205 sub mktree_in_ud_here () {
1206 runcmd qw(git init -q);
1207 rmtree('.git/objects');
1208 symlink '../../../../objects','.git/objects' or die $!;
1211 sub git_write_tree () {
1212 my $tree = cmdoutput @git, qw(write-tree);
1213 $tree =~ m/^\w+$/ or die "$tree ?";
1217 sub mktree_in_ud_from_only_subdir () {
1218 # changes into the subdir
1220 die unless @dirs==1;
1221 $dirs[0] =~ m#^([^/]+)/\.$# or die;
1225 my @gitscmd = qw(find -name .git -prune -print0);
1226 debugcmd "|",@gitscmd;
1227 open GITS, "-|", @gitscmd or failedcmd @gitscmd;
1232 print STDERR "$us: warning: removing from source package: ",
1233 (messagequote $_), "\n";
1237 $!=0; $?=0; close GITS or failedcmd @gitscmd;
1239 mktree_in_ud_here();
1240 my $format=get_source_format();
1241 if (madformat($format)) {
1244 runcmd @git, qw(add -Af);
1245 my $tree=git_write_tree();
1246 return ($tree,$dir);
1249 sub dsc_files_info () {
1250 foreach my $csumi (['Checksums-Sha256','Digest::SHA', 'new(256)'],
1251 ['Checksums-Sha1', 'Digest::SHA', 'new(1)'],
1252 ['Files', 'Digest::MD5', 'new()']) {
1253 my ($fname, $module, $method) = @$csumi;
1254 my $field = $dsc->{$fname};
1255 next unless defined $field;
1256 eval "use $module; 1;" or die $@;
1258 foreach (split /\n/, $field) {
1260 m/^(\w+) (\d+) (\S+)$/ or
1261 fail "could not parse .dsc $fname line \`$_'";
1262 my $digester = eval "$module"."->$method;" or die $@;
1267 Digester => $digester,
1272 fail "missing any supported Checksums-* or Files field in ".
1273 $dsc->get_option('name');
1277 map { $_->{Filename} } dsc_files_info();
1280 sub is_orig_file ($;$) {
1283 m/\.orig(?:-\w+)?\.tar\.\w+$/ or return 0;
1284 defined $base or return 1;
1288 sub make_commit ($) {
1290 return cmdoutput @git, qw(hash-object -w -t commit), $file;
1293 sub clogp_authline ($) {
1295 my $author = getfield $clogp, 'Maintainer';
1296 $author =~ s#,.*##ms;
1297 my $date = cmdoutput qw(date), '+%s %z', qw(-d), getfield($clogp,'Date');
1298 my $authline = "$author $date";
1299 $authline =~ m/^[^<>]+ \<\S+\> \d+ [-+]\d+$/ or
1300 fail "unexpected commit author line format \`$authline'".
1301 " (was generated from changelog Maintainer field)";
1305 sub vendor_patches_distro ($$) {
1306 my ($checkdistro, $what) = @_;
1307 return unless defined $checkdistro;
1309 my $series = "debian/patches/\L$checkdistro\E.series";
1310 printdebug "checking for vendor-specific $series ($what)\n";
1312 if (!open SERIES, "<", $series) {
1313 die "$series $!" unless $!==ENOENT;
1322 Unfortunately, this source package uses a feature of dpkg-source where
1323 the same source package unpacks to different source code on different
1324 distros. dgit cannot safely operate on such packages on affected
1325 distros, because the meaning of source packages is not stable.
1327 Please ask the distro/maintainer to remove the distro-specific series
1328 files and use a different technique (if necessary, uploading actually
1329 different packages, if different distros are supposed to have
1333 fail "Found active distro-specific series file for".
1334 " $checkdistro ($what): $series, cannot continue";
1336 die "$series $!" if SERIES->error;
1340 sub check_for_vendor_patches () {
1341 # This dpkg-source feature doesn't seem to be documented anywhere!
1342 # But it can be found in the changelog (reformatted):
1344 # commit 4fa01b70df1dc4458daee306cfa1f987b69da58c
1345 # Author: Raphael Hertzog <hertzog@debian.org>
1346 # Date: Sun Oct 3 09:36:48 2010 +0200
1348 # dpkg-source: correctly create .pc/.quilt_series with alternate
1351 # If you have debian/patches/ubuntu.series and you were
1352 # unpacking the source package on ubuntu, quilt was still
1353 # directed to debian/patches/series instead of
1354 # debian/patches/ubuntu.series.
1356 # debian/changelog | 3 +++
1357 # scripts/Dpkg/Source/Package/V3/quilt.pm | 4 +++-
1358 # 2 files changed, 6 insertions(+), 1 deletion(-)
1361 vendor_patches_distro($ENV{DEB_VENDOR}, "DEB_VENDOR");
1362 vendor_patches_distro(Dpkg::Vendor::get_current_vendor(),
1363 "Dpkg::Vendor \`current vendor'");
1364 vendor_patches_distro(access_basedistro(),
1365 "distro being accessed");
1368 sub generate_commit_from_dsc () {
1372 foreach my $fi (dsc_files_info()) {
1373 my $f = $fi->{Filename};
1374 die "$f ?" if $f =~ m#/|^\.|\.dsc$|\.tmp$#;
1376 link "../../../$f", $f
1380 complete_file_from_dsc('.', $fi);
1382 if (is_orig_file($f)) {
1383 link $f, "../../../../$f"
1389 my $dscfn = "$package.dsc";
1391 open D, ">", $dscfn or die "$dscfn: $!";
1392 print D $dscdata or die "$dscfn: $!";
1393 close D or die "$dscfn: $!";
1394 my @cmd = qw(dpkg-source);
1395 push @cmd, '--no-check' if $dsc_checked;
1396 push @cmd, qw(-x --), $dscfn;
1399 my ($tree,$dir) = mktree_in_ud_from_only_subdir();
1400 check_for_vendor_patches() if madformat($dsc->{format});
1401 runcmd qw(sh -ec), 'dpkg-parsechangelog >../changelog.tmp';
1402 my $clogp = parsecontrol('../changelog.tmp',"commit's changelog");
1403 my $authline = clogp_authline $clogp;
1404 my $changes = getfield $clogp, 'Changes';
1405 open C, ">../commit.tmp" or die $!;
1406 print C <<END or die $!;
1413 # imported from the archive
1416 my $outputhash = make_commit qw(../commit.tmp);
1417 my $cversion = getfield $clogp, 'Version';
1418 progress "synthesised git commit from .dsc $cversion";
1419 if ($lastpush_hash) {
1420 runcmd @git, qw(reset --hard), $lastpush_hash;
1421 runcmd qw(sh -ec), 'dpkg-parsechangelog >>../changelogold.tmp';
1422 my $oldclogp = parsecontrol('../changelogold.tmp','previous changelog');
1423 my $oversion = getfield $oldclogp, 'Version';
1425 version_compare($oversion, $cversion);
1427 # git upload/ is earlier vsn than archive, use archive
1428 open C, ">../commit2.tmp" or die $!;
1429 print C <<END or die $!;
1431 parent $lastpush_hash
1436 Record $package ($cversion) in archive suite $csuite
1438 $outputhash = make_commit qw(../commit2.tmp);
1439 } elsif ($vcmp > 0) {
1440 print STDERR <<END or die $!;
1442 Version actually in archive: $cversion (older)
1443 Last allegedly pushed/uploaded: $oversion (newer or same)
1446 $outputhash = $lastpush_hash;
1448 $outputhash = $lastpush_hash;
1451 changedir '../../../..';
1452 runcmd @git, qw(update-ref -m),"dgit fetch import $cversion",
1453 'DGIT_ARCHIVE', $outputhash;
1454 cmdoutput @git, qw(log -n2), $outputhash;
1455 # ... gives git a chance to complain if our commit is malformed
1460 sub complete_file_from_dsc ($$) {
1461 our ($dstdir, $fi) = @_;
1462 # Ensures that we have, in $dir, the file $fi, with the correct
1463 # contents. (Downloading it from alongside $dscurl if necessary.)
1465 my $f = $fi->{Filename};
1466 my $tf = "$dstdir/$f";
1469 if (stat_exists $tf) {
1470 progress "using existing $f";
1473 $furl =~ s{/[^/]+$}{};
1475 die "$f ?" unless $f =~ m/^${package}_/;
1476 die "$f ?" if $f =~ m#/#;
1477 runcmd_ordryrun_local @curl,qw(-o),$tf,'--',"$furl";
1478 next if !act_local();
1482 open F, "<", "$tf" or die "$tf: $!";
1483 $fi->{Digester}->reset();
1484 $fi->{Digester}->addfile(*F);
1485 F->error and die $!;
1486 my $got = $fi->{Digester}->hexdigest();
1487 $got eq $fi->{Hash} or
1488 fail "file $f has hash $got but .dsc".
1489 " demands hash $fi->{Hash} ".
1490 ($downloaded ? "(got wrong file from archive!)"
1491 : "(perhaps you should delete this file?)");
1494 sub ensure_we_have_orig () {
1495 foreach my $fi (dsc_files_info()) {
1496 my $f = $fi->{Filename};
1497 next unless is_orig_file($f);
1498 complete_file_from_dsc('..', $fi);
1502 sub git_fetch_us () {
1503 my @specs = (fetchspec());
1505 map { "+refs/$_/*:".lrfetchrefs."/$_/*" }
1507 runcmd_ordryrun_local @git, qw(fetch -p -n -q), access_giturl(), @specs;
1510 my $tagpat = debiantag('*',access_basedistro);
1512 git_for_each_ref("refs/tags/".$tagpat, sub {
1513 my ($objid,$objtype,$fullrefname,$reftail) = @_;
1514 printdebug "currently $fullrefname=$objid\n";
1515 $here{$fullrefname} = $objid;
1517 git_for_each_ref(lrfetchrefs."/tags/".$tagpat, sub {
1518 my ($objid,$objtype,$fullrefname,$reftail) = @_;
1519 my $lref = "refs".substr($fullrefname, length lrfetchrefs);
1520 printdebug "offered $lref=$objid\n";
1521 if (!defined $here{$lref}) {
1522 my @upd = (@git, qw(update-ref), $lref, $objid, '');
1523 runcmd_ordryrun_local @upd;
1524 } elsif ($here{$lref} eq $objid) {
1527 "Not updateting $lref from $here{$lref} to $objid.\n";
1532 sub fetch_from_archive () {
1533 # ensures that lrref() is what is actually in the archive,
1534 # one way or another
1538 foreach my $field (@ourdscfield) {
1539 $dsc_hash = $dsc->{$field};
1540 last if defined $dsc_hash;
1542 if (defined $dsc_hash) {
1543 $dsc_hash =~ m/\w+/ or fail "invalid hash in .dsc \`$dsc_hash'";
1545 progress "last upload to archive specified git hash";
1547 progress "last upload to archive has NO git hash";
1550 progress "no version available from the archive";
1553 $lastpush_hash = git_get_ref(lrref());
1554 printdebug "previous reference hash=$lastpush_hash\n";
1556 if (defined $dsc_hash) {
1557 fail "missing remote git history even though dsc has hash -".
1558 " could not find ref ".lrref().
1559 " (should have been fetched from ".access_giturl()."#".rrref().")"
1560 unless $lastpush_hash;
1562 ensure_we_have_orig();
1563 if ($dsc_hash eq $lastpush_hash) {
1564 } elsif (is_fast_fwd($dsc_hash,$lastpush_hash)) {
1565 print STDERR <<END or die $!;
1567 Git commit in archive is behind the last version allegedly pushed/uploaded.
1568 Commit referred to by archive: $dsc_hash
1569 Last allegedly pushed/uploaded: $lastpush_hash
1572 $hash = $lastpush_hash;
1574 fail "git head (".lrref()."=$lastpush_hash) is not a ".
1575 "descendant of archive's .dsc hash ($dsc_hash)";
1578 $hash = generate_commit_from_dsc();
1579 } elsif ($lastpush_hash) {
1580 # only in git, not in the archive yet
1581 $hash = $lastpush_hash;
1582 print STDERR <<END or die $!;
1584 Package not found in the archive, but has allegedly been pushed using dgit.
1588 printdebug "nothing found!\n";
1589 if (defined $skew_warning_vsn) {
1590 print STDERR <<END or die $!;
1592 Warning: relevant archive skew detected.
1593 Archive allegedly contains $skew_warning_vsn
1594 But we were not able to obtain any version from the archive or git.
1600 printdebug "current hash=$hash\n";
1601 if ($lastpush_hash) {
1602 fail "not fast forward on last upload branch!".
1603 " (archive's version left in DGIT_ARCHIVE)"
1604 unless is_fast_fwd($lastpush_hash, $hash);
1606 if (defined $skew_warning_vsn) {
1608 printdebug "SKEW CHECK WANT $skew_warning_vsn\n";
1609 my $clogf = ".git/dgit/changelog.tmp";
1610 runcmd shell_cmd "exec >$clogf",
1611 @git, qw(cat-file blob), "$hash:debian/changelog";
1612 my $gotclogp = parsechangelog("-l$clogf");
1613 my $got_vsn = getfield $gotclogp, 'Version';
1614 printdebug "SKEW CHECK GOT $got_vsn\n";
1615 if (version_compare($got_vsn, $skew_warning_vsn) < 0) {
1616 print STDERR <<END or die $!;
1618 Warning: archive skew detected. Using the available version:
1619 Archive allegedly contains $skew_warning_vsn
1620 We were able to obtain only $got_vsn
1625 if ($lastpush_hash ne $hash) {
1626 my @upd_cmd = (@git, qw(update-ref -m), 'dgit fetch', lrref(), $hash);
1630 dryrun_report @upd_cmd;
1636 sub set_local_git_config ($$) {
1638 runcmd @git, qw(config), $k, $v;
1641 sub setup_mergechangelogs (;$) {
1643 return unless $always || access_cfg_bool(1, 'setup-mergechangelogs');
1645 my $driver = 'dpkg-mergechangelogs';
1646 my $cb = "merge.$driver";
1647 my $attrs = '.git/info/attributes';
1648 ensuredir '.git/info';
1650 open NATTRS, ">", "$attrs.new" or die "$attrs.new $!";
1651 if (!open ATTRS, "<", $attrs) {
1652 $!==ENOENT or die "$attrs: $!";
1656 next if m{^debian/changelog\s};
1657 print NATTRS $_, "\n" or die $!;
1659 ATTRS->error and die $!;
1662 print NATTRS "debian/changelog merge=$driver\n" or die $!;
1665 set_local_git_config "$cb.name", 'debian/changelog merge driver';
1666 set_local_git_config "$cb.driver", 'dpkg-mergechangelogs -m %O %A %B %A';
1668 rename "$attrs.new", "$attrs" or die "$attrs: $!";
1671 sub setup_useremail (;$) {
1673 return unless $always || access_cfg_bool(1, 'setup-useremail');
1676 my ($k, $envvar) = @_;
1677 my $v = access_cfg("user-$k", 'RETURN-UNDEF') // $ENV{$envvar};
1678 return unless defined $v;
1679 set_local_git_config "user.$k", $v;
1682 $setup->('email', 'DEBEMAIL');
1683 $setup->('name', 'DEBFULLNAME');
1686 sub setup_new_tree () {
1687 setup_mergechangelogs();
1693 canonicalise_suite();
1694 badusage "dry run makes no sense with clone" unless act_local();
1695 my $hasgit = check_for_git();
1696 mkdir $dstdir or die "$dstdir $!";
1698 runcmd @git, qw(init -q);
1699 my $giturl = access_giturl(1);
1700 if (defined $giturl) {
1701 set_local_git_config "remote.$remotename.fetch", fetchspec();
1702 open H, "> .git/HEAD" or die $!;
1703 print H "ref: ".lref()."\n" or die $!;
1705 runcmd @git, qw(remote add), 'origin', $giturl;
1708 progress "fetching existing git history";
1710 runcmd_ordryrun_local @git, qw(fetch origin);
1712 progress "starting new git history";
1714 fetch_from_archive() or no_such_package;
1715 my $vcsgiturl = $dsc->{'Vcs-Git'};
1716 if (length $vcsgiturl) {
1717 $vcsgiturl =~ s/\s+-b\s+\S+//g;
1718 runcmd @git, qw(remote add vcs-git), $vcsgiturl;
1721 runcmd @git, qw(reset --hard), lrref();
1722 printdone "ready for work in $dstdir";
1726 if (check_for_git()) {
1729 fetch_from_archive() or no_such_package();
1730 printdone "fetched into ".lrref();
1735 runcmd_ordryrun_local @git, qw(merge -m),"Merge from $csuite [dgit]",
1737 printdone "fetched to ".lrref()." and merged into HEAD";
1740 sub check_not_dirty () {
1741 return if $ignoredirty;
1742 my @cmd = (@git, qw(diff --quiet HEAD));
1744 $!=0; $?=0; system @cmd;
1745 return if !$! && !$?;
1746 if (!$! && $?==256) {
1747 fail "working tree is dirty (does not match HEAD)";
1753 sub commit_admin ($) {
1756 runcmd_ordryrun_local @git, qw(commit -m), $m;
1759 sub commit_quilty_patch () {
1760 my $output = cmdoutput @git, qw(status --porcelain);
1762 foreach my $l (split /\n/, $output) {
1763 next unless $l =~ m/\S/;
1764 if ($l =~ m{^(?:\?\?| M) (.pc|debian/patches)}) {
1768 delete $adds{'.pc'}; # if there wasn't one before, don't add it
1770 progress "nothing quilty to commit, ok.";
1773 runcmd_ordryrun_local @git, qw(add), sort keys %adds;
1774 commit_admin "Commit Debian 3.0 (quilt) metadata";
1777 sub get_source_format () {
1778 if (!open F, "debian/source/format") {
1779 die $! unless $!==&ENOENT;
1783 F->error and die $!;
1790 return 0 unless $format eq '3.0 (quilt)';
1791 if ($quilt_mode eq 'nocheck') {
1792 progress "Not doing any fixup of \`$format' due to --no-quilt-fixup";
1795 progress "Format \`$format', checking/updating patch stack";
1799 sub push_parse_changelog ($) {
1802 my $clogp = Dpkg::Control::Hash->new();
1803 $clogp->load($clogpfn) or die;
1805 $package = getfield $clogp, 'Source';
1806 my $cversion = getfield $clogp, 'Version';
1807 my $tag = debiantag($cversion, access_basedistro);
1808 runcmd @git, qw(check-ref-format), $tag;
1810 my $dscfn = dscfn($cversion);
1812 return ($clogp, $cversion, $tag, $dscfn);
1815 sub push_parse_dsc ($$$) {
1816 my ($dscfn,$dscfnwhat, $cversion) = @_;
1817 $dsc = parsecontrol($dscfn,$dscfnwhat);
1818 my $dversion = getfield $dsc, 'Version';
1819 my $dscpackage = getfield $dsc, 'Source';
1820 ($dscpackage eq $package && $dversion eq $cversion) or
1821 fail "$dscfn is for $dscpackage $dversion".
1822 " but debian/changelog is for $package $cversion";
1825 sub push_mktag ($$$$$$$) {
1826 my ($head,$clogp,$tag,
1828 $changesfile,$changesfilewhat,
1831 $dsc->{$ourdscfield[0]} = $head;
1832 $dsc->save("$dscfn.tmp") or die $!;
1834 my $changes = parsecontrol($changesfile,$changesfilewhat);
1835 foreach my $field (qw(Source Distribution Version)) {
1836 $changes->{$field} eq $clogp->{$field} or
1837 fail "changes field $field \`$changes->{$field}'".
1838 " does not match changelog \`$clogp->{$field}'";
1841 my $cversion = getfield $clogp, 'Version';
1842 my $clogsuite = getfield $clogp, 'Distribution';
1844 # We make the git tag by hand because (a) that makes it easier
1845 # to control the "tagger" (b) we can do remote signing
1846 my $authline = clogp_authline $clogp;
1847 my $delibs = join(" ", "",@deliberatelies);
1848 my $declaredistro = access_basedistro();
1849 open TO, '>', $tfn->('.tmp') or die $!;
1850 print TO <<END or die $!;
1856 $package release $cversion for $clogsuite ($csuite) [dgit]
1857 [dgit distro=$declaredistro$delibs]
1859 foreach my $ref (sort keys %previously) {
1860 print TO <<END or die $!;
1861 [dgit previously:$ref=$previously{$ref}]
1867 my $tagobjfn = $tfn->('.tmp');
1869 if (!defined $keyid) {
1870 $keyid = access_cfg('keyid','RETURN-UNDEF');
1872 unlink $tfn->('.tmp.asc') or $!==&ENOENT or die $!;
1873 my @sign_cmd = (@gpg, qw(--detach-sign --armor));
1874 push @sign_cmd, qw(-u),$keyid if defined $keyid;
1875 push @sign_cmd, $tfn->('.tmp');
1876 runcmd_ordryrun @sign_cmd;
1878 $tagobjfn = $tfn->('.signed.tmp');
1879 runcmd shell_cmd "exec >$tagobjfn", qw(cat --),
1880 $tfn->('.tmp'), $tfn->('.tmp.asc');
1887 sub sign_changes ($) {
1888 my ($changesfile) = @_;
1890 my @debsign_cmd = @debsign;
1891 push @debsign_cmd, "-k$keyid" if defined $keyid;
1892 push @debsign_cmd, "-p$gpg[0]" if $gpg[0] ne 'gpg';
1893 push @debsign_cmd, $changesfile;
1894 runcmd_ordryrun @debsign_cmd;
1899 my ($forceflag) = @_;
1900 printdebug "actually entering push\n";
1901 supplementary_message(<<'END');
1902 Push failed, while preparing your push.
1903 You can retry the push, after fixing the problem, if you like.
1907 access_giturl(); # check that success is vaguely likely
1909 my $clogpfn = ".git/dgit/changelog.822.tmp";
1910 runcmd shell_cmd "exec >$clogpfn", qw(dpkg-parsechangelog);
1912 responder_send_file('parsed-changelog', $clogpfn);
1914 my ($clogp, $cversion, $tag, $dscfn) =
1915 push_parse_changelog("$clogpfn");
1917 my $dscpath = "$buildproductsdir/$dscfn";
1918 stat_exists $dscpath or
1919 fail "looked for .dsc $dscfn, but $!;".
1920 " maybe you forgot to build";
1922 responder_send_file('dsc', $dscpath);
1924 push_parse_dsc($dscpath, $dscfn, $cversion);
1926 my $format = getfield $dsc, 'Format';
1927 printdebug "format $format\n";
1928 if (madformat($format)) {
1929 commit_quilty_patch();
1933 progress "checking that $dscfn corresponds to HEAD";
1934 runcmd qw(dpkg-source -x --),
1935 $dscpath =~ m#^/# ? $dscpath : "../../../$dscpath";
1936 my ($tree,$dir) = mktree_in_ud_from_only_subdir();
1937 check_for_vendor_patches() if madformat($dsc->{format});
1938 changedir '../../../..';
1939 my $diffopt = $debuglevel>0 ? '--exit-code' : '--quiet';
1940 my @diffcmd = (@git, qw(diff), $diffopt, $tree);
1941 debugcmd "+",@diffcmd;
1943 my $r = system @diffcmd;
1946 fail "$dscfn specifies a different tree to your HEAD commit;".
1947 " perhaps you forgot to build".
1948 ($diffopt eq '--exit-code' ? "" :
1949 " (run with -D to see full diff output)");
1954 my $head = git_rev_parse('HEAD');
1955 if (!$changesfile) {
1956 my $multi = "$buildproductsdir/".
1957 "${package}_".(stripepoch $cversion)."_multi.changes";
1958 if (stat_exists "$multi") {
1959 $changesfile = $multi;
1961 my $pat = "${package}_".(stripepoch $cversion)."_*.changes";
1962 my @cs = glob "$buildproductsdir/$pat";
1963 fail "failed to find unique changes file".
1964 " (looked for $pat in $buildproductsdir, or $multi);".
1965 " perhaps you need to use dgit -C"
1967 ($changesfile) = @cs;
1970 $changesfile = "$buildproductsdir/$changesfile";
1973 responder_send_file('changes',$changesfile);
1974 responder_send_command("param head $head");
1975 responder_send_command("param csuite $csuite");
1977 if (deliberately_not_fast_forward) {
1978 git_for_each_ref(lrfetchrefs, sub {
1979 my ($objid,$objtype,$lrfetchrefname,$reftail) = @_;
1980 my $rrefname= substr($lrfetchrefname, length(lrfetchrefs) + 1);
1981 responder_send_command("previously $rrefname=$objid");
1982 $previously{$rrefname} = $objid;
1986 my $tfn = sub { ".git/dgit/tag$_[0]"; };
1989 supplementary_message(<<'END');
1990 Push failed, while signing the tag.
1991 You can retry the push, after fixing the problem, if you like.
1993 # If we manage to sign but fail to record it anywhere, it's fine.
1994 if ($we_are_responder) {
1995 $tagobjfn = $tfn->('.signed.tmp');
1996 responder_receive_files('signed-tag', $tagobjfn);
1999 push_mktag($head,$clogp,$tag,
2001 $changesfile,$changesfile,
2004 supplementary_message(<<'END');
2005 Push failed, *after* signing the tag.
2006 If you want to try again, you should use a new version number.
2009 my $tag_obj_hash = cmdoutput @git, qw(hash-object -w -t tag), $tagobjfn;
2010 runcmd_ordryrun @git, qw(verify-tag), $tag_obj_hash;
2011 runcmd_ordryrun_local @git, qw(update-ref), "refs/tags/$tag", $tag_obj_hash;
2013 supplementary_message(<<'END');
2014 Push failed, while updating the remote git repository - see messages above.
2015 If you want to try again, you should use a new version number.
2017 if (!check_for_git()) {
2018 create_remote_git_repo();
2020 runcmd_ordryrun @git, qw(push),access_giturl(),
2021 $forceflag."HEAD:".rrref(), $forceflag."refs/tags/$tag";
2022 runcmd_ordryrun @git, qw(update-ref -m), 'dgit push', lrref(), 'HEAD';
2024 supplementary_message(<<'END');
2025 Push failed, after updating the remote git repository.
2026 If you want to try again, you must use a new version number.
2028 if ($we_are_responder) {
2029 my $dryrunsuffix = act_local() ? "" : ".tmp";
2030 responder_receive_files('signed-dsc-changes',
2031 "$dscpath$dryrunsuffix",
2032 "$changesfile$dryrunsuffix");
2035 rename "$dscpath.tmp",$dscpath or die "$dscfn $!";
2037 progress "[new .dsc left in $dscpath.tmp]";
2039 sign_changes $changesfile;
2042 supplementary_message(<<'END');
2043 Push failed, while uploading package(s) to the archive server.
2044 You can retry the upload of exactly these same files with dput of:
2046 If that .changes file is broken, you will need to use a new version
2047 number for your next attempt at the upload.
2049 my $host = access_cfg('upload-host','RETURN-UNDEF');
2050 my @hostarg = defined($host) ? ($host,) : ();
2051 runcmd_ordryrun @dput, @hostarg, $changesfile;
2052 printdone "pushed and uploaded $cversion";
2054 supplementary_message('');
2055 responder_send_command("complete");
2062 badusage "-p is not allowed with clone; specify as argument instead"
2063 if defined $package;
2066 } elsif (@ARGV==2 && $ARGV[1] =~ m#^\w#) {
2067 ($package,$isuite) = @ARGV;
2068 } elsif (@ARGV==2 && $ARGV[1] =~ m#^[./]#) {
2069 ($package,$dstdir) = @ARGV;
2070 } elsif (@ARGV==3) {
2071 ($package,$isuite,$dstdir) = @ARGV;
2073 badusage "incorrect arguments to dgit clone";
2075 $dstdir ||= "$package";
2077 if (stat_exists $dstdir) {
2078 fail "$dstdir already exists";
2082 if ($rmonerror && !$dryrun_level) {
2083 $cwd_remove= getcwd();
2085 return unless defined $cwd_remove;
2086 if (!chdir "$cwd_remove") {
2087 return if $!==&ENOENT;
2088 die "chdir $cwd_remove: $!";
2090 rmtree($dstdir) or die "remove $dstdir: $!\n";
2095 $cwd_remove = undef;
2098 sub branchsuite () {
2099 my $branch = cmdoutput_errok @git, qw(symbolic-ref HEAD);
2100 if ($branch =~ m#$lbranch_re#o) {
2107 sub fetchpullargs () {
2109 if (!defined $package) {
2110 my $sourcep = parsecontrol('debian/control','debian/control');
2111 $package = getfield $sourcep, 'Source';
2114 # $isuite = branchsuite(); # this doesn't work because dak hates canons
2116 my $clogp = parsechangelog();
2117 $isuite = getfield $clogp, 'Distribution';
2119 canonicalise_suite();
2120 progress "fetching from suite $csuite";
2121 } elsif (@ARGV==1) {
2123 canonicalise_suite();
2125 badusage "incorrect arguments to dgit fetch or dgit pull";
2144 badusage "-p is not allowed with dgit push" if defined $package;
2146 my $clogp = parsechangelog();
2147 $package = getfield $clogp, 'Source';
2150 } elsif (@ARGV==1) {
2151 ($specsuite) = (@ARGV);
2153 badusage "incorrect arguments to dgit push";
2155 $isuite = getfield $clogp, 'Distribution';
2157 local ($package) = $existing_package; # this is a hack
2158 canonicalise_suite();
2160 canonicalise_suite();
2162 if (defined $specsuite &&
2163 $specsuite ne $isuite &&
2164 $specsuite ne $csuite) {
2165 fail "dgit push: changelog specifies $isuite ($csuite)".
2166 " but command line specifies $specsuite";
2168 supplementary_message(<<'END');
2169 Push failed, while checking state of the archive.
2170 You can retry the push, after fixing the problem, if you like.
2172 if (check_for_git()) {
2176 if (fetch_from_archive()) {
2177 if (is_fast_fwd(lrref(), 'HEAD')) {
2179 } elsif (deliberately_not_fast_forward) {
2182 fail "dgit push: HEAD is not a descendant".
2183 " of the archive's version.\n".
2184 "dgit: To overwrite its contents,".
2185 " use git merge -s ours ".lrref().".\n".
2186 "dgit: To rewind history, if permitted by the archive,".
2187 " use --deliberately-not-fast-forward";
2191 fail "package appears to be new in this suite;".
2192 " if this is intentional, use --new";
2197 #---------- remote commands' implementation ----------
2199 sub cmd_remote_push_build_host {
2200 my ($nrargs) = shift @ARGV;
2201 my (@rargs) = @ARGV[0..$nrargs-1];
2202 @ARGV = @ARGV[$nrargs..$#ARGV];
2204 my ($dir,$vsnwant) = @rargs;
2205 # vsnwant is a comma-separated list; we report which we have
2206 # chosen in our ready response (so other end can tell if they
2209 $we_are_responder = 1;
2210 $us .= " (build host)";
2214 open PI, "<&STDIN" or die $!;
2215 open STDIN, "/dev/null" or die $!;
2216 open PO, ">&STDOUT" or die $!;
2218 open STDOUT, ">&STDERR" or die $!;
2222 ($protovsn) = grep {
2223 $vsnwant =~ m{^(?:.*,)?$_(?:,.*)?$}
2224 } @rpushprotovsn_support;
2226 fail "build host has dgit rpush protocol versions ".
2227 (join ",", @rpushprotovsn_support).
2228 " but invocation host has $vsnwant"
2229 unless defined $protovsn;
2231 responder_send_command("dgit-remote-push-ready $protovsn");
2237 sub cmd_remote_push_responder { cmd_remote_push_build_host(); }
2238 # ... for compatibility with proto vsn.1 dgit (just so that user gets
2239 # a good error message)
2245 my $report = i_child_report();
2246 if (defined $report) {
2247 printdebug "($report)\n";
2248 } elsif ($i_child_pid) {
2249 printdebug "(killing build host child $i_child_pid)\n";
2250 kill 15, $i_child_pid;
2252 if (defined $i_tmp && !defined $initiator_tempdir) {
2254 eval { rmtree $i_tmp; };
2258 END { i_cleanup(); }
2261 my ($base,$selector,@args) = @_;
2262 $selector =~ s/\-/_/g;
2263 { no strict qw(refs); &{"${base}_${selector}"}(@args); }
2270 if ($host =~ m/^((?:[^][]|\[[^][]*\])*)\:/) {
2278 push @rargs, join ",", @rpushprotovsn_support;
2281 push @rdgit, @ropts;
2282 push @rdgit, qw(remote-push-build-host), (scalar @rargs), @rargs;
2284 my @cmd = (@ssh, $host, shellquote @rdgit);
2287 if (defined $initiator_tempdir) {
2288 rmtree $initiator_tempdir;
2289 mkdir $initiator_tempdir, 0700 or die "$initiator_tempdir: $!";
2290 $i_tmp = $initiator_tempdir;
2294 $i_child_pid = open2(\*RO, \*RI, @cmd);
2296 ($protovsn) = initiator_expect { m/^dgit-remote-push-ready (\S+)/ };
2297 die "$protovsn ?" unless grep { $_ eq $protovsn } @rpushprotovsn_support;
2298 $supplementary_message = '' unless $protovsn >= 3;
2300 my ($icmd,$iargs) = initiator_expect {
2301 m/^(\S+)(?: (.*))?$/;
2304 i_method "i_resp", $icmd, $iargs;
2308 sub i_resp_progress ($) {
2310 my $msg = protocol_read_bytes \*RO, $rhs;
2314 sub i_resp_supplementary_message ($) {
2316 $supplementary_message = protocol_read_bytes \*RO, $rhs;
2319 sub i_resp_complete {
2320 my $pid = $i_child_pid;
2321 $i_child_pid = undef; # prevents killing some other process with same pid
2322 printdebug "waiting for build host child $pid...\n";
2323 my $got = waitpid $pid, 0;
2324 die $! unless $got == $pid;
2325 die "build host child failed $?" if $?;
2328 printdebug "all done\n";
2332 sub i_resp_file ($) {
2334 my $localname = i_method "i_localname", $keyword;
2335 my $localpath = "$i_tmp/$localname";
2336 stat_exists $localpath and
2337 badproto \*RO, "file $keyword ($localpath) twice";
2338 protocol_receive_file \*RO, $localpath;
2339 i_method "i_file", $keyword;
2344 sub i_resp_param ($) {
2345 $_[0] =~ m/^(\S+) (.*)$/ or badproto \*RO, "bad param spec";
2349 sub i_resp_previously ($) {
2350 $_[0] =~ m#^(refs/tags/\S+)=(\w+)$#
2351 or badproto \*RO, "bad previously spec";
2352 my $r = system qw(git check-ref-format), $1;
2353 die "bad previously ref spec ($r)" if $r;
2354 $previously{$1} = $2;
2359 sub i_resp_want ($) {
2361 die "$keyword ?" if $i_wanted{$keyword}++;
2362 my @localpaths = i_method "i_want", $keyword;
2363 printdebug "[[ $keyword @localpaths\n";
2364 foreach my $localpath (@localpaths) {
2365 protocol_send_file \*RI, $localpath;
2367 print RI "files-end\n" or die $!;
2370 our ($i_clogp, $i_version, $i_tag, $i_dscfn, $i_changesfn);
2372 sub i_localname_parsed_changelog {
2373 return "remote-changelog.822";
2375 sub i_file_parsed_changelog {
2376 ($i_clogp, $i_version, $i_tag, $i_dscfn) =
2377 push_parse_changelog "$i_tmp/remote-changelog.822";
2378 die if $i_dscfn =~ m#/|^\W#;
2381 sub i_localname_dsc {
2382 defined $i_dscfn or badproto \*RO, "dsc (before parsed-changelog)";
2387 sub i_localname_changes {
2388 defined $i_dscfn or badproto \*RO, "dsc (before parsed-changelog)";
2389 $i_changesfn = $i_dscfn;
2390 $i_changesfn =~ s/\.dsc$/_dgit.changes/ or die;
2391 return $i_changesfn;
2393 sub i_file_changes { }
2395 sub i_want_signed_tag {
2396 printdebug Dumper(\%i_param, $i_dscfn);
2397 defined $i_param{'head'} && defined $i_dscfn && defined $i_clogp
2398 && defined $i_param{'csuite'}
2399 or badproto \*RO, "premature desire for signed-tag";
2400 my $head = $i_param{'head'};
2401 die if $head =~ m/[^0-9a-f]/ || $head !~ m/^../;
2403 die unless $i_param{'csuite'} =~ m/^$suite_re$/;
2405 push_parse_dsc $i_dscfn, 'remote dsc', $i_version;
2408 push_mktag $head, $i_clogp, $i_tag,
2410 $i_changesfn, 'remote changes',
2411 sub { "tag$_[0]"; };
2416 sub i_want_signed_dsc_changes {
2417 rename "$i_dscfn.tmp","$i_dscfn" or die "$i_dscfn $!";
2418 sign_changes $i_changesfn;
2419 return ($i_dscfn, $i_changesfn);
2422 #---------- building etc. ----------
2428 #----- `3.0 (quilt)' handling -----
2430 our $fakeeditorenv = 'DGIT_FAKE_EDITOR_QUILT';
2432 sub quiltify_dpkg_commit ($$$;$) {
2433 my ($patchname,$author,$msg, $xinfo) = @_;
2437 my $descfn = ".git/dgit/quilt-description.tmp";
2438 open O, '>', $descfn or die "$descfn: $!";
2441 $msg =~ s/^\s+$/ ./mg;
2442 print O <<END or die $!;
2452 local $ENV{'EDITOR'} = cmdoutput qw(realpath --), $0;
2453 local $ENV{'VISUAL'} = $ENV{'EDITOR'};
2454 local $ENV{$fakeeditorenv} = cmdoutput qw(realpath --), $descfn;
2455 runcmd_ordryrun_local @dpkgsource, qw(--commit .), $patchname;
2459 sub quiltify_trees_differ ($$) {
2461 # returns 1 iff the two tree objects differ other than in debian/
2463 my @cmd = (@git, qw(diff-tree --name-only -z), $x, $y);
2464 my $diffs= cmdoutput @cmd;
2465 foreach my $f (split /\0/, $diffs) {
2466 next if $f eq 'debian';
2472 sub quiltify_tree_sentinelfiles ($) {
2473 # lists the `sentinel' files present in the tree
2475 my $r = cmdoutput @git, qw(ls-tree --name-only), $x,
2476 qw(-- debian/rules debian/control);
2482 my ($clogp,$target) = @_;
2484 # Quilt patchification algorithm
2486 # We search backwards through the history of the main tree's HEAD
2487 # (T) looking for a start commit S whose tree object is identical
2488 # to to the patch tip tree (ie the tree corresponding to the
2489 # current dpkg-committed patch series). For these purposes
2490 # `identical' disregards anything in debian/ - this wrinkle is
2491 # necessary because dpkg-source treates debian/ specially.
2493 # We can only traverse edges where at most one of the ancestors'
2494 # trees differs (in changes outside in debian/). And we cannot
2495 # handle edges which change .pc/ or debian/patches. To avoid
2496 # going down a rathole we avoid traversing edges which introduce
2497 # debian/rules or debian/control. And we set a limit on the
2498 # number of edges we are willing to look at.
2500 # If we succeed, we walk forwards again. For each traversed edge
2501 # PC (with P parent, C child) (starting with P=S and ending with
2502 # C=T) to we do this:
2504 # - dpkg-source --commit with a patch name and message derived from C
2505 # After traversing PT, we git commit the changes which
2506 # should be contained within debian/patches.
2508 changedir '../fake';
2509 mktree_in_ud_here();
2511 runcmd @git, 'add', '.';
2512 my $oldtiptree=git_write_tree();
2513 changedir '../work';
2515 # The search for the path S..T is breadth-first. We maintain a
2516 # todo list containing search nodes. A search node identifies a
2517 # commit, and looks something like this:
2519 # Commit => $git_commit_id,
2520 # Child => $c, # or undef if P=T
2521 # Whynot => $reason_edge_PC_unsuitable, # in @nots only
2522 # Nontrivial => true iff $p..$c has relevant changes
2529 my %considered; # saves being exponential on some weird graphs
2531 my $t_sentinels = quiltify_tree_sentinelfiles $target;
2534 my ($search,$whynot) = @_;
2535 printdebug " search NOT $search->{Commit} $whynot\n";
2536 $search->{Whynot} = $whynot;
2537 push @nots, $search;
2538 no warnings qw(exiting);
2547 my $c = shift @todo;
2548 next if $considered{$c->{Commit}}++;
2550 $not->($c, "maximum search space exceeded") if --$max_work <= 0;
2552 printdebug "quiltify investigate $c->{Commit}\n";
2555 if (!quiltify_trees_differ $c->{Commit}, $oldtiptree) {
2556 printdebug " search finished hooray!\n";
2561 if ($quilt_mode eq 'nofix') {
2562 fail "quilt fixup required but quilt mode is \`nofix'\n".
2563 "HEAD commit $c->{Commit} differs from tree implied by ".
2564 " debian/patches (tree object $oldtiptree)";
2566 if ($quilt_mode eq 'smash') {
2567 printdebug " search quitting smash\n";
2571 my $c_sentinels = quiltify_tree_sentinelfiles $c->{Commit};
2572 $not->($c, "has $c_sentinels not $t_sentinels")
2573 if $c_sentinels ne $t_sentinels;
2575 my $commitdata = cmdoutput @git, qw(cat-file commit), $c->{Commit};
2576 $commitdata =~ m/\n\n/;
2578 my @parents = ($commitdata =~ m/^parent (\w+)$/gm);
2579 @parents = map { { Commit => $_, Child => $c } } @parents;
2581 $not->($c, "root commit") if !@parents;
2583 foreach my $p (@parents) {
2584 $p->{Nontrivial}= quiltify_trees_differ $p->{Commit},$c->{Commit};
2586 my $ndiffers = grep { $_->{Nontrivial} } @parents;
2587 $not->($c, "merge ($ndiffers nontrivial parents)") if $ndiffers > 1;
2589 foreach my $p (@parents) {
2590 printdebug "considering C=$c->{Commit} P=$p->{Commit}\n";
2592 my @cmd= (@git, qw(diff-tree -r --name-only),
2593 $p->{Commit},$c->{Commit}, qw(-- debian/patches .pc));
2594 my $patchstackchange = cmdoutput @cmd;
2595 if (length $patchstackchange) {
2596 $patchstackchange =~ s/\n/,/g;
2597 $not->($p, "changed $patchstackchange");
2600 printdebug " search queue P=$p->{Commit} ",
2601 ($p->{Nontrivial} ? "NT" : "triv"),"\n";
2607 printdebug "quiltify want to smash\n";
2610 my $x = $_[0]{Commit};
2611 $x =~ s/(.*?[0-9a-z]{8})[0-9a-z]*$/$1/;
2614 my $reportnot = sub {
2616 my $s = $abbrev->($notp);
2617 my $c = $notp->{Child};
2618 $s .= "..".$abbrev->($c) if $c;
2619 $s .= ": ".$notp->{Whynot};
2622 if ($quilt_mode eq 'linear') {
2623 print STDERR "$us: quilt fixup cannot be linear. Stopped at:\n";
2624 foreach my $notp (@nots) {
2625 print STDERR "$us: ", $reportnot->($notp), "\n";
2627 fail "quilt fixup naive history linearisation failed.\n".
2628 "Use dpkg-source --commit by hand; or, --quilt=smash for one ugly patch";
2629 } elsif ($quilt_mode eq 'smash') {
2630 } elsif ($quilt_mode eq 'auto') {
2631 progress "quilt fixup cannot be linear, smashing...";
2633 die "$quilt_mode ?";
2638 my $msg = cmdoutput @git, qw(log), "-n$ncommits";
2640 quiltify_dpkg_commit "auto-$version-$target-$time",
2641 (getfield $clogp, 'Maintainer'),
2642 "Automatically generated patch ($clogp->{Version})\n".
2643 "Last (up to) $ncommits git changes, FYI:\n\n". $msg;
2647 progress "quiltify linearisation planning successful, executing...";
2649 for (my $p = $sref_S;
2650 my $c = $p->{Child};
2652 printdebug "quiltify traverse $p->{Commit}..$c->{Commit}\n";
2653 next unless $p->{Nontrivial};
2655 my $cc = $c->{Commit};
2657 my $commitdata = cmdoutput @git, qw(cat-file commit), $cc;
2658 $commitdata =~ m/\n\n/ or die "$c ?";
2661 $commitdata =~ m/^author (.*) \d+ [-+0-9]+$/m or die "$cc ?";
2664 $msg =~ s/^(.*)\n*/$1\n/ or die "$cc $msg ?";
2667 my $patchname = $title;
2668 $patchname =~ s/[.:]$//;
2669 $patchname =~ y/ A-Z/-a-z/;
2670 $patchname =~ y/-a-z0-9_.+=~//cd;
2671 $patchname =~ s/^\W/x-$&/;
2672 $patchname = substr($patchname,0,40);
2675 stat "debian/patches/$patchname$index";
2677 $!==ENOENT or die "$patchname$index $!";
2679 runcmd @git, qw(checkout -q), $cc;
2681 # We use the tip's changelog so that dpkg-source doesn't
2682 # produce complaining messages from dpkg-parsechangelog. None
2683 # of the information dpkg-source gets from the changelog is
2684 # actually relevant - it gets put into the original message
2685 # which dpkg-source provides our stunt editor, and then
2687 runcmd @git, qw(checkout -q), $target, qw(debian/changelog);
2689 quiltify_dpkg_commit "$patchname$index", $author, $msg,
2690 "X-Dgit-Generated: $clogp->{Version} $cc\n";
2692 runcmd @git, qw(checkout -q), $cc, qw(debian/changelog);
2695 runcmd @git, qw(checkout -q master);
2698 sub build_maybe_quilt_fixup () {
2699 my $format=get_source_format;
2700 return unless madformat $format;
2703 check_for_vendor_patches();
2706 # - honour any existing .pc in case it has any strangeness
2707 # - determine the git commit corresponding to the tip of
2708 # the patch stack (if there is one)
2709 # - if there is such a git commit, convert each subsequent
2710 # git commit into a quilt patch with dpkg-source --commit
2711 # - otherwise convert all the differences in the tree into
2712 # a single git commit
2716 # Our git tree doesn't necessarily contain .pc. (Some versions of
2717 # dgit would include the .pc in the git tree.) If there isn't
2718 # one, we need to generate one by unpacking the patches that we
2721 # We first look for a .pc in the git tree. If there is one, we
2722 # will use it. (This is not the normal case.)
2724 # Otherwise need to regenerate .pc so that dpkg-source --commit
2725 # can work. We do this as follows:
2726 # 1. Collect all relevant .orig from parent directory
2727 # 2. Generate a debian.tar.gz out of
2728 # debian/{patches,rules,source/format}
2729 # 3. Generate a fake .dsc containing just these fields:
2730 # Format Source Version Files
2731 # 4. Extract the fake .dsc
2732 # Now the fake .dsc has a .pc directory.
2733 # (In fact we do this in every case, because in future we will
2734 # want to search for a good base commit for generating patches.)
2736 # Then we can actually do the dpkg-source --commit
2737 # 1. Make a new working tree with the same object
2738 # store as our main tree and check out the main
2740 # 2. Copy .pc from the fake's extraction, if necessary
2741 # 3. Run dpkg-source --commit
2742 # 4. If the result has changes to debian/, then
2743 # - git-add them them
2744 # - git-add .pc if we had a .pc in-tree
2746 # 5. If we had a .pc in-tree, delete it, and git-commit
2747 # 6. Back in the main tree, fast forward to the new HEAD
2749 my $clogp = parsechangelog();
2750 my $headref = git_rev_parse('HEAD');
2755 my $upstreamversion=$version;
2756 $upstreamversion =~ s/-[^-]*$//;
2758 my $fakeversion="$upstreamversion-~~DGITFAKE";
2760 my $fakedsc=new IO::File 'fake.dsc', '>' or die $!;
2761 print $fakedsc <<END or die $!;
2764 Version: $fakeversion
2768 my $dscaddfile=sub {
2771 my $md = new Digest::MD5;
2773 my $fh = new IO::File $b, '<' or die "$b $!";
2778 print $fakedsc " ".$md->hexdigest." $size $b\n" or die $!;
2781 foreach my $f (<../../../../*>) { #/){
2782 my $b=$f; $b =~ s{.*/}{};
2783 next unless is_orig_file $b, srcfn $upstreamversion,'';
2784 link $f, $b or die "$b $!";
2788 my @files=qw(debian/source/format debian/rules);
2789 if (stat_exists '../../../debian/patches') {
2790 push @files, 'debian/patches';
2793 my $debtar= srcfn $fakeversion,'.debian.tar.gz';
2794 runcmd qw(env GZIP=-1 tar -zcf), "./$debtar", qw(-C ../../..), @files;
2796 $dscaddfile->($debtar);
2797 close $fakedsc or die $!;
2799 runcmd qw(sh -ec), 'exec dpkg-source --no-check -x fake.dsc >/dev/null';
2801 my $fakexdir= $package.'-'.(stripepoch $upstreamversion);
2802 rename $fakexdir, "fake" or die "$fakexdir $!";
2804 mkdir "work" or die $!;
2806 mktree_in_ud_here();
2807 runcmd @git, qw(reset --hard), $headref;
2810 if (stat_exists ".pc") {
2812 progress "Tree already contains .pc - will use it then delete it.";
2815 rename '../fake/.pc','.pc' or die $!;
2818 quiltify($clogp,$headref);
2820 if (!open P, '>>', ".pc/applied-patches") {
2821 $!==&ENOENT or die $!;
2826 commit_quilty_patch();
2828 if ($mustdeletepc) {
2829 runcmd @git, qw(rm -rqf .pc);
2830 commit_admin "Commit removal of .pc (quilt series tracking data)";
2833 changedir '../../../..';
2834 runcmd @git, qw(pull --ff-only -q .git/dgit/unpack/work master);
2837 sub quilt_fixup_editor () {
2838 my $descfn = $ENV{$fakeeditorenv};
2839 my $editing = $ARGV[$#ARGV];
2840 open I1, '<', $descfn or die "$descfn: $!";
2841 open I2, '<', $editing or die "$editing: $!";
2842 unlink $editing or die "$editing: $!";
2843 open O, '>', $editing or die "$editing: $!";
2844 while (<I1>) { print O or die $!; } I1->error and die $!;
2847 $copying ||= m/^\-\-\- /;
2848 next unless $copying;
2851 I2->error and die $!;
2856 #----- other building -----
2859 if ($cleanmode eq 'dpkg-source') {
2860 runcmd_ordryrun_local @dpkgbuildpackage, qw(-T clean);
2861 } elsif ($cleanmode eq 'dpkg-source-d') {
2862 runcmd_ordryrun_local @dpkgbuildpackage, qw(-d -T clean);
2863 } elsif ($cleanmode eq 'git') {
2864 runcmd_ordryrun_local @git, qw(clean -xdf);
2865 } elsif ($cleanmode eq 'git-ff') {
2866 runcmd_ordryrun_local @git, qw(clean -xdff);
2867 } elsif ($cleanmode eq 'check') {
2868 my $leftovers = cmdoutput @git, qw(clean -xdn);
2869 if (length $leftovers) {
2870 print STDERR $leftovers, "\n" or die $!;
2871 fail "tree contains uncommitted files and --clean=check specified";
2873 } elsif ($cleanmode eq 'none') {
2880 badusage "clean takes no additional arguments" if @ARGV;
2887 badusage "-p is not allowed when building" if defined $package;
2890 my $clogp = parsechangelog();
2891 $isuite = getfield $clogp, 'Distribution';
2892 $package = getfield $clogp, 'Source';
2893 $version = getfield $clogp, 'Version';
2894 build_maybe_quilt_fixup();
2897 sub changesopts () {
2898 my @opts =@changesopts[1..$#changesopts];
2899 if (!defined $changes_since_version) {
2900 my @vsns = archive_query('archive_query');
2901 my @quirk = access_quirk();
2902 if ($quirk[0] eq 'backports') {
2903 local $isuite = $quirk[2];
2905 canonicalise_suite();
2906 push @vsns, archive_query('archive_query');
2909 @vsns = map { $_->[0] } @vsns;
2910 @vsns = sort { -version_compare($a, $b) } @vsns;
2911 $changes_since_version = $vsns[0];
2912 progress "changelog will contain changes since $vsns[0]";
2914 $changes_since_version = '_';
2915 progress "package seems new, not specifying -v<version>";
2918 if ($changes_since_version ne '_') {
2919 unshift @opts, "-v$changes_since_version";
2924 sub massage_dbp_args ($) {
2926 return unless $cleanmode =~ m/git|none/;
2927 debugcmd '#massaging#', @$cmd if $debuglevel>1;
2928 my @newcmd = shift @$cmd;
2929 # -nc has the side effect of specifying -b if nothing else specified
2930 push @newcmd, '-nc';
2931 # and some combinations of -S, -b, et al, are errors, rather than
2932 # later simply overriding earlier
2933 push @newcmd, '-F' unless grep { m/^-[bBASF]$/ } @$cmd;
2934 push @newcmd, @$cmd;
2940 my @dbp = (@dpkgbuildpackage, qw(-us -uc), changesopts(), @ARGV);
2941 massage_dbp_args \@dbp;
2942 runcmd_ordryrun_local @dbp;
2943 printdone "build successful\n";
2948 my @dbp = @dpkgbuildpackage;
2949 massage_dbp_args \@dbp;
2951 (qw(git-buildpackage -us -uc --git-no-sign-tags),
2952 "--git-builder=@dbp");
2953 unless (grep { m/^--git-debian-branch|^--git-ignore-branch/ } @ARGV) {
2954 canonicalise_suite();
2955 push @cmd, "--git-debian-branch=".lbranch();
2957 push @cmd, changesopts();
2958 runcmd_ordryrun_local @cmd, @ARGV;
2959 printdone "build successful\n";
2964 $sourcechanges = "${package}_".(stripepoch $version)."_source.changes";
2965 $dscfn = dscfn($version);
2966 if ($cleanmode eq 'dpkg-source') {
2967 runcmd_ordryrun_local (@dpkgbuildpackage, qw(-us -uc -S)),
2969 } elsif ($cleanmode eq 'dpkg-source-d') {
2970 runcmd_ordryrun_local (@dpkgbuildpackage, qw(-us -uc -S -d)),
2973 my $pwd = must_getcwd();
2974 my $leafdir = basename $pwd;
2976 runcmd_ordryrun_local @dpkgsource, qw(-b --), $leafdir;
2978 runcmd_ordryrun_local qw(sh -ec),
2979 'exec >$1; shift; exec "$@"','x',
2980 "../$sourcechanges",
2981 @dpkggenchanges, qw(-S), changesopts();
2985 sub cmd_build_source {
2986 badusage "build-source takes no additional arguments" if @ARGV;
2988 printdone "source built, results in $dscfn and $sourcechanges";
2994 my $pat = "${package}_".(stripepoch $version)."_*.changes";
2996 stat_exists $dscfn or fail "$dscfn (in parent directory): $!";
2997 stat_exists $sourcechanges
2998 or fail "$sourcechanges (in parent directory): $!";
2999 foreach my $cf (glob $pat) {
3000 next if $cf eq $sourcechanges;
3001 unlink $cf or fail "remove $cf: $!";
3004 runcmd_ordryrun_local @sbuild, @ARGV, qw(-d), $isuite, $dscfn;
3005 my @changesfiles = glob $pat;
3006 @changesfiles = sort {
3007 ($b =~ m/_source\.changes$/ <=> $a =~ m/_source\.changes$/)
3010 fail "wrong number of different changes files (@changesfiles)"
3011 unless @changesfiles;
3012 runcmd_ordryrun_local @mergechanges, @changesfiles;
3013 my $multichanges = "${package}_".(stripepoch $version)."_multi.changes";
3015 stat_exists $multichanges or fail "$multichanges: $!";
3017 printdone "build successful, results in $multichanges\n" or die $!;
3020 sub cmd_quilt_fixup {
3021 badusage "incorrect arguments to dgit quilt-fixup" if @ARGV;
3022 my $clogp = parsechangelog();
3023 $version = getfield $clogp, 'Version';
3024 $package = getfield $clogp, 'Source';
3025 build_maybe_quilt_fixup();
3028 sub cmd_archive_api_query {
3029 badusage "need only 1 subpath argument" unless @ARGV==1;
3030 my ($subpath) = @ARGV;
3031 my @cmd = archive_api_query_cmd($subpath);
3033 exec @cmd or fail "exec curl: $!\n";
3036 sub cmd_clone_dgit_repos_server {
3037 badusage "need destination argument" unless @ARGV==1;
3038 my ($destdir) = @ARGV;
3039 $package = '_dgit-repos-server';
3040 my @cmd = (@git, qw(clone), access_giturl(), $destdir);
3042 exec @cmd or fail "exec git clone: $!\n";
3045 sub cmd_setup_mergechangelogs {
3046 badusage "no arguments allowed to dgit setup-mergechangelogs" if @ARGV;
3047 setup_mergechangelogs(1);
3050 sub cmd_setup_useremail {
3051 badusage "no arguments allowed to dgit setup-mergechangelogs" if @ARGV;
3055 sub cmd_setup_new_tree {
3056 badusage "no arguments allowed to dgit setup-tree" if @ARGV;
3060 #---------- argument parsing and main program ----------
3063 print "dgit version $our_version\n" or die $!;
3070 if (defined $ENV{'DGIT_SSH'}) {
3071 @ssh = string_to_ssh $ENV{'DGIT_SSH'};
3072 } elsif (defined $ENV{'GIT_SSH'}) {
3073 @ssh = ($ENV{'GIT_SSH'});
3077 last unless $ARGV[0] =~ m/^-/;
3081 if (m/^--dry-run$/) {
3084 } elsif (m/^--damp-run$/) {
3087 } elsif (m/^--no-sign$/) {
3090 } elsif (m/^--help$/) {
3092 } elsif (m/^--version$/) {
3094 } elsif (m/^--new$/) {
3097 } elsif (m/^--since-version=([^_]+|_)$/) {
3099 $changes_since_version = $1;
3100 } elsif (m/^--([-0-9a-z]+)=(.+)/s &&
3101 ($om = $opts_opt_map{$1}) &&
3105 } elsif (m/^--([-0-9a-z]+):(.*)/s &&
3106 !$opts_opt_cmdonly{$1} &&
3107 ($om = $opts_opt_map{$1})) {
3110 } elsif (m/^--existing-package=(.*)/s) {
3112 $existing_package = $1;
3113 } elsif (m/^--initiator-tempdir=(.*)/s) {
3114 $initiator_tempdir = $1;
3115 $initiator_tempdir =~ m#^/# or
3116 badusage "--initiator-tempdir must be used specify an".
3117 " absolute, not relative, directory."
3118 } elsif (m/^--distro=(.*)/s) {
3121 } elsif (m/^--build-products-dir=(.*)/s) {
3123 $buildproductsdir = $1;
3124 } elsif (m/^--clean=(dpkg-source(?:-d)?|git|git-ff|check|none)$/s) {
3127 } elsif (m/^--clean=(.*)$/s) {
3128 badusage "unknown cleaning mode \`$1'";
3129 } elsif (m/^--quilt=($quilt_modes_re)$/s) {
3132 } elsif (m/^--quilt=(.*)$/s) {
3133 badusage "unknown quilt fixup mode \`$1'";
3134 } elsif (m/^--ignore-dirty$/s) {
3137 } elsif (m/^--no-quilt-fixup$/s) {
3139 $quilt_mode = 'nocheck';
3140 } elsif (m/^--no-rm-on-error$/s) {
3143 } elsif (m/^--deliberately-($deliberately_re)$/s) {
3145 push @deliberatelies, $&;
3147 badusage "unknown long option \`$_'";
3154 } elsif (s/^-L/-/) {
3157 } elsif (s/^-h/-/) {
3159 } elsif (s/^-D/-/) {
3163 } elsif (s/^-N/-/) {
3166 } elsif (s/^-v([^_]+|_)$//s) {
3168 $changes_since_version = $1;
3171 push @changesopts, $_;
3173 } elsif (s/^-c(.*=.*)//s) {
3175 push @git, '-c', $1;
3176 } elsif (s/^-d(.+)//s) {
3179 } elsif (s/^-C(.+)//s) {
3182 if ($changesfile =~ s#^(.*)/##) {
3183 $buildproductsdir = $1;
3185 } elsif (s/^-k(.+)//s) {
3187 } elsif (m/^-[vdCk]$/) {
3189 "option \`$_' requires an argument (and no space before the argument)";
3190 } elsif (s/^-wn$//s) {
3192 $cleanmode = 'none';
3193 } elsif (s/^-wg$//s) {
3196 } elsif (s/^-wgf$//s) {
3198 $cleanmode = 'git-ff';
3199 } elsif (s/^-wd$//s) {
3201 $cleanmode = 'dpkg-source';
3202 } elsif (s/^-wdd$//s) {
3204 $cleanmode = 'dpkg-source-d';
3205 } elsif (s/^-wc$//s) {
3207 $cleanmode = 'check';
3209 badusage "unknown short option \`$_'";
3216 sub finalise_opts_opts () {
3217 foreach my $k (keys %opts_opt_map) {
3218 my $om = $opts_opt_map{$k};
3220 my $v = access_cfg("cmd-$k", 'RETURN-UNDEF');
3222 badcfg "cannot set command for $k"
3223 unless length $om->[0];
3227 foreach my $c (access_cfg_cfgs("opts-$k")) {
3228 my $vl = $gitcfg{$c};
3229 printdebug "CL $c ",
3230 ($vl ? join " ", map { shellquote } @$vl : ""),
3231 "\n" if $debuglevel >= 4;
3233 badcfg "cannot configure options for $k"
3234 if $opts_opt_cmdonly{$k};
3235 my $insertpos = $opts_cfg_insertpos{$k};
3236 @$om = ( @$om[0..$insertpos-1],
3238 @$om[$insertpos..$#$om] );
3243 if ($ENV{$fakeeditorenv}) {
3245 quilt_fixup_editor();
3251 print STDERR "DRY RUN ONLY\n" if $dryrun_level > 1;
3252 print STDERR "DAMP RUN - WILL MAKE LOCAL (UNSIGNED) CHANGES\n"
3253 if $dryrun_level == 1;
3255 print STDERR $helpmsg or die $!;
3258 my $cmd = shift @ARGV;
3261 if (!defined $quilt_mode) {
3262 local $access_forpush;
3263 $quilt_mode = cfg('dgit.force.quilt-mode', 'RETURN-UNDEF')
3264 // access_cfg('quilt-mode', 'RETURN-UNDEF')
3266 $quilt_mode =~ m/^($quilt_modes_re)$/
3267 or badcfg "unknown quilt-mode \`$quilt_mode'";
3271 my $fn = ${*::}{"cmd_$cmd"};
3272 $fn or badusage "unknown operation $cmd";