3 # Integration between git and Debian-style archives
5 # Copyright (C)2013 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/>.
25 use Dpkg::Control::Hash;
27 use File::Temp qw(tempdir);
36 our $our_version = 'UNRELEASED'; ###substituted###
38 our $rpushprotovsn = 2;
40 our $isuite = 'unstable';
46 our $dryrun_level = 0;
48 our $buildproductsdir = '..';
53 our $existing_package = 'dpkg';
54 our $cleanmode = 'dpkg-source';
55 our $changes_since_version;
56 our $we_are_responder;
57 our $initiator_tempdir;
59 our %format_ok = map { $_=>1 } ("1.0","3.0 (native)","3.0 (quilt)");
61 our $suite_re = '[-+.0-9a-z]+';
64 our (@dget) = qw(dget);
65 our (@curl) = qw(curl -f);
66 our (@dput) = qw(dput);
67 our (@debsign) = qw(debsign);
69 our (@sbuild) = qw(sbuild -A);
71 our (@dgit) = qw(dgit);
72 our (@dpkgbuildpackage) = qw(dpkg-buildpackage -i\.git/ -I.git);
73 our (@dpkgsource) = qw(dpkg-source -i\.git/ -I.git);
74 our (@dpkggenchanges) = qw(dpkg-genchanges);
75 our (@mergechanges) = qw(mergechanges -f);
76 our (@changesopts) = ('');
78 our %opts_opt_map = ('dget' => \@dget, # accept for compatibility
81 'debsign' => \@debsign,
86 'dpkg-source' => \@dpkgsource,
87 'dpkg-buildpackage' => \@dpkgbuildpackage,
88 'dpkg-genchanges' => \@dpkggenchanges,
89 'ch' => \@changesopts,
90 'mergechanges' => \@mergechanges);
92 our %opts_opt_cmdonly = ('gpg' => 1);
97 open DEBUG, ">/dev/null" or die $!;
101 our $remotename = 'dgit';
102 our @ourdscfield = qw(Dgit Vcs-Dgit-Master);
103 our $branchprefix = 'dgit';
106 sub lbranch () { return "$branchprefix/$csuite"; }
107 my $lbranch_re = '^refs/heads/'.$branchprefix.'/([^/.]+)$';
108 sub lref () { return "refs/heads/".lbranch(); }
109 sub lrref () { return "refs/remotes/$remotename/$branchprefix/$csuite"; }
110 sub rrref () { return "refs/$branchprefix/$csuite"; }
125 return "${package}_".(stripepoch $vsn).$sfx
130 return srcfn($vsn,".dsc");
134 our $debugprefix = '';
139 foreach my $f (@end) {
141 warn "$us: cleanup: $@" if length $@;
145 our @signames = split / /, $Config{sig_name};
147 sub waitstatusmsg () {
149 return "terminated, reporting successful completion";
150 } elsif (!($? & 255)) {
151 return "failed with error exit status ".WEXITSTATUS($?);
152 } elsif (WIFSIGNALED($?)) {
153 my $signum=WTERMSIG($?);
154 return "died due to fatal signal ".
155 ($signames[$signum] // "number $signum").
156 ($? & 128 ? " (core dumped)" : ""); # POSIX(3pm) has no WCOREDUMP
158 return "failed with unknown wait status ".$?;
162 sub printdebug { print DEBUG $debugprefix, @_ or die $!; }
165 die $us.($we_are_responder ? " (build host)" : "").": @_\n";
168 sub badcfg { print STDERR "$us: invalid configuration: @_\n"; exit 12; }
170 sub no_such_package () {
171 print STDERR "$us: package $package does not exist in suite $isuite\n";
177 return "+".rrref().":".lrref();
182 printdebug "CD $newdir\n";
183 chdir $newdir or die "chdir: $newdir: $!";
186 sub stat_exists ($) {
189 return 0 if $!==&ENOENT;
193 #---------- remote protocol support, common ----------
195 # remote push initiator/responder protocol:
196 # < dgit-remote-push-ready [optional extra info ignored by old initiators]
198 # > file parsed-changelog
199 # [indicates that output of dpkg-parsechangelog follows]
200 # > data-block NBYTES
201 # > [NBYTES bytes of data (no newline)]
202 # [maybe some more blocks]
214 # [indicates that signed tag is wanted]
215 # < data-block NBYTES
216 # < [NBYTES bytes of data (no newline)]
217 # [maybe some more blocks]
221 # > want signed-dsc-changes
222 # < data-block NBYTES [transfer of signed dsc]
224 # < data-block NBYTES [transfer of signed changes]
232 sub i_child_report () {
233 # Sees if our child has died, and reap it if so. Returns a string
234 # describing how it died if it failed, or undef otherwise.
235 return undef unless $i_child_pid;
236 my $got = waitpid $i_child_pid, WNOHANG;
237 return undef if $got <= 0;
238 die unless $got == $i_child_pid;
239 $i_child_pid = undef;
240 return undef unless $?;
241 return "build host child ".waitstatusmsg();
246 fail "connection lost: $!" if $fh->error;
247 fail "protocol violation; $m not expected";
250 sub badproto_badread ($$) {
252 fail "connection lost: $!" if $!;
253 my $report = i_child_report();
254 fail $report if defined $report;
255 badproto $fh, "eof (reading $wh)";
258 sub protocol_expect (&$) {
259 my ($match, $fh) = @_;
262 defined && chomp or badproto_badread $fh, "protocol message";
270 badproto $fh, "\`$_'";
273 sub protocol_send_file ($$) {
274 my ($fh, $ourfn) = @_;
275 open PF, "<", $ourfn or die "$ourfn: $!";
278 my $got = read PF, $d, 65536;
279 die "$ourfn: $!" unless defined $got;
281 print $fh "data-block ".length($d)."\n" or die $!;
282 print $fh $d or die $!;
284 PF->error and die "$ourfn $!";
285 print $fh "data-end\n" or die $!;
289 sub protocol_read_bytes ($$) {
290 my ($fh, $nbytes) = @_;
291 $nbytes =~ m/^[1-9]\d{0,5}$/ or badproto \*RO, "bad byte count";
293 my $got = read $fh, $d, $nbytes;
294 $got==$nbytes or badproto_badread $fh, "data block";
298 sub protocol_receive_file ($$) {
299 my ($fh, $ourfn) = @_;
300 printdebug "() $ourfn\n";
301 open PF, ">", $ourfn or die "$ourfn: $!";
303 my ($y,$l) = protocol_expect {
304 m/^data-block (.*)$/ ? (1,$1) :
305 m/^data-end$/ ? (0,) :
309 my $d = protocol_read_bytes $fh, $l;
310 print PF $d or die $!;
315 #---------- remote protocol support, responder ----------
317 sub responder_send_command ($) {
319 return unless $we_are_responder;
320 # called even without $we_are_responder
321 printdebug ">> $command\n";
322 print PO $command, "\n" or die $!;
325 sub responder_send_file ($$) {
326 my ($keyword, $ourfn) = @_;
327 return unless $we_are_responder;
328 printdebug "]] $keyword $ourfn\n";
329 responder_send_command "file $keyword";
330 protocol_send_file \*PO, $ourfn;
333 sub responder_receive_files ($@) {
334 my ($keyword, @ourfns) = @_;
335 die unless $we_are_responder;
336 printdebug "[[ $keyword @ourfns\n";
337 responder_send_command "want $keyword";
338 foreach my $fn (@ourfns) {
339 protocol_receive_file \*PI, $fn;
342 protocol_expect { m/^files-end$/ } \*PI;
345 #---------- remote protocol support, initiator ----------
347 sub initiator_expect (&) {
349 protocol_expect { &$match } \*RO;
352 #---------- end remote code ----------
355 if ($we_are_responder) {
357 responder_send_command "progress ".length($m) or die $!;
358 print PO $m or die $!;
368 $ua = LWP::UserAgent->new();
372 progress "downloading $what...";
373 my $r = $ua->get(@_) or die $!;
374 return undef if $r->code == 404;
375 $r->is_success or fail "failed to fetch $what: ".$r->status_line;
376 return $r->decoded_content(charset => 'none');
379 our ($dscdata,$dscurl,$dsc,$dsc_checked,$skew_warning_vsn);
386 if (m{[^-=_./0-9a-z]}i) {
393 return join ' ', @out;
398 my $intro = shift @_;
399 print $fh $intro," " or die $!;
400 print $fh shellquote @_ or die $!;
401 print $fh "\n" or die $!;
405 { local ($!); printcmd \*STDERR, "$us: failed command:", @_ or die $!; };
407 fail "failed to fork/exec: $!";
409 fail "subprocess ".waitstatusmsg();
411 fail "subprocess produced invalid output";
416 printcmd(\*DEBUG,$debugprefix."+",@_) if $debug>0;
418 failedcmd @_ if system @_;
421 sub act_local () { return $dryrun_level <= 1; }
422 sub act_scary () { return !$dryrun_level; }
425 if (!$dryrun_level) {
426 progress "dgit ok: @_";
428 progress "would be ok: @_ (but dry run only)";
432 sub cmdoutput_errok {
433 die Dumper(\@_)." ?" if grep { !defined } @_;
434 printcmd(\*DEBUG,$debugprefix."|",@_) if $debug>0;
435 open P, "-|", @_ or die $!;
438 { local $/ = undef; $d = <P>; }
440 if (!close P) { printdebug "=>!$?\n" if $debug>0; return undef; }
443 printdebug "=> \`$&'",(length $' ? '...' : ''),"\n" if $debug>0; #';
448 my $d = cmdoutput_errok @_;
449 defined $d or failedcmd @_;
454 printcmd(\*STDERR,$debugprefix."#",@_);
457 sub runcmd_ordryrun {
465 sub runcmd_ordryrun_local {
474 my ($first_shell, @cmd) = @_;
475 return qw(sh -ec), $first_shell.'; exec "$@"', 'x', @cmd;
478 our $helpmsg = <<END;
480 dgit [dgit-opts] clone [dgit-opts] package [suite] [./dir|/dir]
481 dgit [dgit-opts] fetch|pull [dgit-opts] [suite]
482 dgit [dgit-opts] build [git-buildpackage-opts|dpkg-buildpackage-opts]
483 dgit [dgit-opts] push [dgit-opts] [suite]
484 dgit [dgit-opts] rpush build-host:build-dir ...
485 important dgit options:
486 -k<keyid> sign tag and package with <keyid> instead of default
487 --dry-run -n do not change anything, but go through the motions
488 --damp-run -L like --dry-run but make local changes, without signing
489 --new -N allow introducing a new package
490 --debug -D increase debug level
491 -c<name>=<value> set git config option (used directly by dgit too)
494 our $later_warning_msg = <<END;
495 Perhaps the upload is stuck in incoming. Using the version from git.
499 print STDERR "$us: @_\n", $helpmsg or die $!;
504 @ARGV or badusage "too few arguments";
505 return scalar shift @ARGV;
509 print $helpmsg or die $!;
513 our $td = $ENV{DGIT_TEST_DUMMY_DIR} || "DGIT_TEST_DUMMY_DIR-unset";
515 our %defcfg = ('dgit.default.distro' => 'debian',
516 'dgit.default.username' => '',
517 'dgit.default.archive-query-default-component' => 'main',
518 'dgit.default.ssh' => 'ssh',
519 'dgit.default.archive-query' => 'madison:',
520 'dgit.default.sshpsql-dbname' => 'service=projectb',
521 'dgit-distro.debian.archive-query' => 'sshpsql:',
522 'dgit-distro.debian.git-host' => 'git.debian.org',
523 'dgit-distro.debian.git-proto' => 'git+ssh://',
524 'dgit-distro.debian.git-path' => '/git/dgit-repos/repos',
525 'dgit-distro.debian.git-check' => 'ssh-cmd',
526 'dgit-distro.debian.git-create' => 'ssh-cmd',
527 'dgit-distro.debian.sshpsql-host' => 'mirror.ftp-master.debian.org',
528 'dgit-distro.debian.upload-host' => 'ftp-master', # for dput
529 'dgit-distro.debian.mirror' => 'http://ftp.debian.org/debian/',
530 'dgit-distro.debian.backports-quirk' => '(squeeze)-backports*',
531 'dgit-distro.debian-backports.mirror' => 'http://backports.debian.org/debian-backports/',
532 'dgit-distro.ubuntu.git-check' => 'false',
533 'dgit-distro.ubuntu.mirror' => 'http://archive.ubuntu.com/ubuntu',
534 'dgit-distro.test-dummy.ssh' => "$td/ssh",
535 'dgit-distro.test-dummy.username' => "alice",
536 'dgit-distro.test-dummy.git-check' => "ssh-cmd",
537 'dgit-distro.test-dummy.git-create' => "ssh-cmd",
538 'dgit-distro.test-dummy.git-url' => "$td/git",
539 'dgit-distro.test-dummy.git-host' => "git",
540 'dgit-distro.test-dummy.git-path' => "$td/git",
541 'dgit-distro.test-dummy.archive-query' => "dummycat:$td/aq",
542 'dgit-distro.test-dummy.mirror' => "file://$td/mirror/",
543 'dgit-distro.test-dummy.upload-host' => 'test-dummy',
548 return undef if $c =~ /RETURN-UNDEF/;
549 my @cmd = (@git, qw(config --), $c);
552 local ($debug) = $debug-1;
553 $v = cmdoutput_errok @cmd;
560 my $dv = $defcfg{$c};
561 return $dv if defined $dv;
563 badcfg "need value for one of: @_\n".
564 "$us: distro or suite appears not to be (properly) supported";
567 sub access_basedistro () {
568 if (defined $idistro) {
569 return cfg("dgit-distro.basedistro.distro",
570 "dgit-suite.$isuite.distro",
571 'RETURN-UNDEF') // $idistro;
573 return cfg("dgit-suite.$isuite.distro",
574 "dgit.default.distro");
578 sub access_quirk () {
579 # returns (quirk name, distro to use instead, quirk-specific info)
580 my $basedistro = access_basedistro();
581 my $backports_quirk = cfg("dgit-distro.$basedistro.backports-quirk",
583 if (defined $backports_quirk) {
584 my $re = $backports_quirk;
585 $re =~ s/[^-0-9a-z_\%*()]/\\$&/ig;
587 $re =~ s/\%/([-0-9a-z_]+)/
588 or $re =~ m/[()]/ or badcfg "backports-quirk needs \% or ( )";
589 if ($isuite =~ m/^$re$/) {
590 return ('backports',"$basedistro-backports",$1);
593 return ('none',$basedistro);
596 sub access_distro () {
597 return (access_quirk())[1];
602 my $basedistro = access_basedistro();
603 my $distro = $idistro || access_distro();
604 my $value = cfg(map {
605 ("dgit-distro.$distro.$_",
606 "dgit-distro.$basedistro.$_",
612 sub string_to_ssh ($) {
614 if ($spec =~ m/\s/) {
615 return qw(sh -ec), 'exec '.$spec.' "$@"', 'x';
621 sub access_cfg_ssh () {
622 my $gitssh = access_cfg('ssh', 'RETURN-UNDEF');
623 if (!defined $gitssh) {
626 return string_to_ssh $gitssh;
630 sub access_someuserhost ($) {
632 my $user = access_cfg("$some-user",'username');
633 my $host = access_cfg("$some-host");
634 return length($user) ? "$user\@$host" : $host;
637 sub access_gituserhost () {
638 return access_someuserhost('git');
641 sub access_giturl () {
642 my $url = access_cfg('git-url','RETURN-UNDEF');
645 access_cfg('git-proto').
646 access_gituserhost().
647 access_cfg('git-path');
649 return "$url/$package.git";
652 sub parsecontrolfh ($$;$) {
653 my ($fh, $desc, $allowsigned) = @_;
654 our $dpkgcontrolhash_noissigned;
657 my %opts = ('name' => $desc);
658 $opts{allow_pgp}= $allowsigned || !$dpkgcontrolhash_noissigned;
659 $c = Dpkg::Control::Hash->new(%opts);
660 $c->parse($fh,$desc) or die "parsing of $desc failed";
661 last if $allowsigned;
662 last if $dpkgcontrolhash_noissigned;
663 my $issigned= $c->get_option('is_pgp_signed');
664 if (!defined $issigned) {
665 $dpkgcontrolhash_noissigned= 1;
666 seek $fh, 0,0 or die "seek $desc: $!";
667 } elsif ($issigned) {
668 fail "control file $desc is (already) PGP-signed. ".
669 " Note that dgit push needs to modify the .dsc and then".
670 " do the signature itself";
679 my ($file, $desc) = @_;
680 my $fh = new IO::Handle;
681 open $fh, '<', $file or die "$file: $!";
682 my $c = parsecontrolfh($fh,$desc);
683 $fh->error and die $!;
689 my ($dctrl,$field) = @_;
690 my $v = $dctrl->{$field};
691 return $v if defined $v;
692 fail "missing field $field in ".$v->get_option('name');
696 my $c = Dpkg::Control::Hash->new();
697 my $p = new IO::Handle;
698 my @cmd = (qw(dpkg-parsechangelog), @_);
699 open $p, '-|', @cmd or die $!;
701 $?=0; $!=0; close $p or failedcmd @cmd;
705 sub git_get_ref ($) {
707 my $got = cmdoutput_errok @git, qw(show-ref --), $refname;
709 $?==256 or fail "git show-ref failed (status $?)";
710 printdebug "ref $refname= [show-ref exited 1]\n";
713 if ($got =~ m/^(\w+) \Q$refname\E$/m) {
714 printdebug "ref $refname=$1\n";
717 printdebug "ref $refname= [no match]\n";
724 defined $d or fail "getcwd failed: $!";
730 sub archive_query ($) {
732 my $query = access_cfg('archive-query','RETURN-UNDEF');
733 $query =~ s/^(\w+):// or badcfg "invalid archive-query method \`$query'";
736 { no strict qw(refs); &{"${method}_${proto}"}($proto,$data); }
739 sub pool_dsc_subpath ($$) {
740 my ($vsn,$component) = @_; # $package is implict arg
741 my $prefix = substr($package, 0, $package =~ m/^l/ ? 4 : 1);
742 return "/pool/$component/$prefix/$package/".dscfn($vsn);
745 sub archive_query_madison ($$) {
746 my ($proto,$data) = @_;
747 die unless $proto eq 'madison';
749 $data= access_cfg('madison-distro',access_basedistro());
751 $rmad{$package} ||= cmdoutput
752 qw(rmadison -asource),"-s$isuite","-u$data",$package;
753 my $rmad = $rmad{$package};
754 return madison_parse($rmad);
757 sub madison_parse ($) {
760 foreach my $l (split /\n/, $rmad) {
761 $l =~ m{^ \s*( [^ \t|]+ )\s* \|
762 \s*( [^ \t|]+ )\s* \|
763 \s*( [^ \t|/]+ )(?:/([^ \t|/]+))? \s* \|
764 \s*( [^ \t|]+ )\s* }x or die "$rmad ?";
765 $1 eq $package or die "$rmad $package ?";
772 $component = access_cfg('archive-query-default-component');
774 $5 eq 'source' or die "$rmad ?";
775 push @out, [$vsn,pool_dsc_subpath($vsn,$component),$newsuite];
777 return sort { -version_compare($a->[0],$b->[0]); } @out;
780 sub canonicalise_suite_madison ($$) {
781 # madison canonicalises for us
782 my @r = archive_query_madison($_[0],$_[1]);
784 "unable to canonicalise suite using package $package".
785 " which does not appear to exist in suite $isuite;".
786 " --existing-package may help";
791 my ($data,$sql) = @_;
793 $data= access_someuserhost('sshpsql').':'.
794 access_cfg('sshpsql-dbname');
796 $data =~ m/:/ or badcfg "invalid sshpsql method string \`$data'";
797 my ($userhost,$dbname) = ($`,$'); #';
799 my @cmd = (access_cfg_ssh, $userhost,
800 "export LANG=C; ".shellquote qw(psql -A), $dbname, qw(-c), $sql);
801 printcmd(\*DEBUG,$debugprefix."|",@cmd) if $debug>0;
802 open P, "-|", @cmd or die $!;
805 printdebug("$debugprefix>|$_|\n");
808 $!=0; $?=0; close P or failedcmd @cmd;
810 my $nrows = pop @rows;
811 $nrows =~ s/^\((\d+) rows?\)$/$1/ or die "$nrows ?";
812 @rows == $nrows+1 or die "$nrows ".(scalar @rows)." ?";
813 @rows = map { [ split /\|/, $_ ] } @rows;
814 my $ncols = scalar @{ shift @rows };
815 die if grep { scalar @$_ != $ncols } @rows;
819 sub sql_injection_check {
820 foreach (@_) { die "$_ $& ?" if m/[']/; }
823 sub archive_query_sshpsql ($$) {
824 my ($proto,$data) = @_;
825 sql_injection_check $isuite, $package;
826 my @rows = sshpsql($data, <<END);
827 SELECT source.version, component.name, files.filename, files.sha256sum
829 JOIN src_associations ON source.id = src_associations.source
830 JOIN suite ON suite.id = src_associations.suite
831 JOIN dsc_files ON dsc_files.source = source.id
832 JOIN files_archive_map ON files_archive_map.file_id = dsc_files.file
833 JOIN component ON component.id = files_archive_map.component_id
834 JOIN files ON files.id = dsc_files.file
835 WHERE ( suite.suite_name='$isuite' OR suite.codename='$isuite' )
836 AND source.source='$package'
837 AND files.filename LIKE '%.dsc';
839 @rows = sort { -version_compare($a->[0],$b->[0]) } @rows;
840 my $digester = Digest::SHA->new(256);
842 my ($vsn,$component,$filename,$sha256sum) = @$_;
843 [ $vsn, "/pool/$component/$filename",$digester,$sha256sum ];
848 sub canonicalise_suite_sshpsql ($$) {
849 my ($proto,$data) = @_;
850 sql_injection_check $isuite;
851 my @rows = sshpsql($data, <<END);
852 SELECT suite.codename
853 FROM suite where suite_name='$isuite' or codename='$isuite';
855 @rows = map { $_->[0] } @rows;
856 fail "unknown suite $isuite" unless @rows;
857 die "ambiguous $isuite: @rows ?" if @rows>1;
861 sub canonicalise_suite_dummycat ($$) {
862 my ($proto,$data) = @_;
863 my $dpath = "$data/suite.$isuite";
864 if (!open C, "<", $dpath) {
865 $!==ENOENT or die "$dpath: $!";
866 printdebug "dummycat canonicalise_suite $isuite $dpath ENOENT\n";
870 chomp or die "$dpath: $!";
872 printdebug "dummycat canonicalise_suite $isuite $dpath = $_\n";
876 sub archive_query_dummycat ($$) {
877 my ($proto,$data) = @_;
878 canonicalise_suite();
879 my $dpath = "$data/package.$csuite.$package";
880 if (!open C, "<", $dpath) {
881 $!==ENOENT or die "$dpath: $!";
882 printdebug "dummycat query $csuite $package $dpath ENOENT\n";
890 printdebug "dummycat query $csuite $package $dpath | $_\n";
891 my @row = split /\s+/, $_;
892 @row==2 or die "$dpath: $_ ?";
895 C->error and die "$dpath: $!";
897 return sort { -version_compare($a->[0],$b->[0]); } @rows;
900 sub canonicalise_suite () {
901 return if defined $csuite;
902 fail "cannot operate on $isuite suite" if $isuite eq 'UNRELEASED';
903 $csuite = archive_query('canonicalise_suite');
904 if ($isuite ne $csuite) {
905 progress "canonical suite name for $isuite is $csuite";
909 sub get_archive_dsc () {
910 canonicalise_suite();
911 my @vsns = archive_query('archive_query');
912 foreach my $vinfo (@vsns) {
913 my ($vsn,$subpath,$digester,$digest) = @$vinfo;
914 $dscurl = access_cfg('mirror').$subpath;
915 $dscdata = url_get($dscurl);
917 $skew_warning_vsn = $vsn if !defined $skew_warning_vsn;
922 $digester->add($dscdata);
923 my $got = $digester->hexdigest();
925 fail "$dscurl has hash $got but".
926 " archive told us to expect $digest";
928 my $dscfh = new IO::File \$dscdata, '<' or die $!;
929 printdebug Dumper($dscdata) if $debug>1;
930 $dsc = parsecontrolfh($dscfh,$dscurl,1);
931 printdebug Dumper($dsc) if $debug>1;
932 my $fmt = getfield $dsc, 'Format';
933 fail "unsupported source format $fmt, sorry" unless $format_ok{$fmt};
934 $dsc_checked = !!$digester;
940 sub check_for_git () {
942 my $how = access_cfg('git-check');
943 if ($how eq 'ssh-cmd') {
945 (access_cfg_ssh, access_gituserhost(),
946 " set -e; cd ".access_cfg('git-path').";".
947 " if test -d $package.git; then echo 1; else echo 0; fi");
948 my $r= cmdoutput @cmd;
949 failedcmd @cmd unless $r =~ m/^[01]$/;
951 } elsif ($how eq 'true') {
953 } elsif ($how eq 'false') {
956 badcfg "unknown git-check \`$how'";
960 sub create_remote_git_repo () {
961 my $how = access_cfg('git-create');
962 if ($how eq 'ssh-cmd') {
964 (access_cfg_ssh, access_gituserhost(),
965 "set -e; cd ".access_cfg('git-path').";".
966 " cp -a _template $package.git");
967 } elsif ($how eq 'true') {
970 badcfg "unknown git-create \`$how'";
974 our ($dsc_hash,$lastpush_hash);
976 our $ud = '.git/dgit/unpack';
984 sub mktree_in_ud_here () {
985 runcmd qw(git init -q);
986 rmtree('.git/objects');
987 symlink '../../../../objects','.git/objects' or die $!;
990 sub mktree_in_ud_from_only_subdir () {
991 # changes into the subdir
994 $dirs[0] =~ m#^([^/]+)/\.$# or die;
997 fail "source package contains .git directory" if stat_exists '.git';
999 my $format=get_source_format();
1000 if (madformat($format)) {
1003 runcmd @git, qw(add -Af);
1004 my $tree = cmdoutput @git, qw(write-tree);
1005 $tree =~ m/^\w+$/ or die "$tree ?";
1006 return ($tree,$dir);
1009 sub dsc_files_info () {
1010 foreach my $csumi (['Checksums-Sha256','Digest::SHA', 'new(256)'],
1011 ['Checksums-Sha1', 'Digest::SHA', 'new(1)'],
1012 ['Files', 'Digest::MD5', 'new()']) {
1013 my ($fname, $module, $method) = @$csumi;
1014 my $field = $dsc->{$fname};
1015 next unless defined $field;
1016 eval "use $module; 1;" or die $@;
1018 foreach (split /\n/, $field) {
1020 m/^(\w+) (\d+) (\S+)$/ or
1021 fail "could not parse .dsc $fname line \`$_'";
1022 my $digester = eval "$module"."->$method;" or die $@;
1027 Digester => $digester,
1032 fail "missing any supported Checksums-* or Files field in ".
1033 $dsc->get_option('name');
1037 map { $_->{Filename} } dsc_files_info();
1040 sub is_orig_file ($;$) {
1043 m/\.orig(?:-\w+)?\.tar\.\w+$/ or return 0;
1044 defined $base or return 1;
1048 sub make_commit ($) {
1050 return cmdoutput @git, qw(hash-object -w -t commit), $file;
1053 sub clogp_authline ($) {
1055 my $author = getfield $clogp, 'Maintainer';
1056 $author =~ s#,.*##ms;
1057 my $date = cmdoutput qw(date), '+%s %z', qw(-d), getfield($clogp,'Date');
1058 my $authline = "$author $date";
1059 $authline =~ m/^[^<>]+ \<\S+\> \d+ [-+]\d+$/ or
1060 fail "unexpected commit author line format \`$authline'".
1061 " (was generated from changelog Maintainer field)";
1065 sub generate_commit_from_dsc () {
1069 foreach my $fi (dsc_files_info()) {
1070 my $f = $fi->{Filename};
1071 die "$f ?" if $f =~ m#/|^\.|\.dsc$|\.tmp$#;
1073 link "../../../$f", $f
1077 complete_file_from_dsc('.', $fi);
1079 if (is_orig_file($f)) {
1080 link $f, "../../../../$f"
1086 my $dscfn = "$package.dsc";
1088 open D, ">", $dscfn or die "$dscfn: $!";
1089 print D $dscdata or die "$dscfn: $!";
1090 close D or die "$dscfn: $!";
1091 my @cmd = qw(dpkg-source);
1092 push @cmd, '--no-check' if $dsc_checked;
1093 push @cmd, qw(-x --), $dscfn;
1096 my ($tree,$dir) = mktree_in_ud_from_only_subdir();
1097 runcmd qw(sh -ec), 'dpkg-parsechangelog >../changelog.tmp';
1098 my $clogp = parsecontrol('../changelog.tmp',"commit's changelog");
1099 my $authline = clogp_authline $clogp;
1100 my $changes = getfield $clogp, 'Changes';
1101 open C, ">../commit.tmp" or die $!;
1102 print C <<END or die $!;
1109 # imported from the archive
1112 my $outputhash = make_commit qw(../commit.tmp);
1113 my $cversion = getfield $clogp, 'Version';
1114 progress "synthesised git commit from .dsc $cversion";
1115 if ($lastpush_hash) {
1116 runcmd @git, qw(reset --hard), $lastpush_hash;
1117 runcmd qw(sh -ec), 'dpkg-parsechangelog >>../changelogold.tmp';
1118 my $oldclogp = parsecontrol('../changelogold.tmp','previous changelog');
1119 my $oversion = getfield $oldclogp, 'Version';
1121 version_compare($oversion, $cversion);
1123 # git upload/ is earlier vsn than archive, use archive
1124 open C, ">../commit2.tmp" or die $!;
1125 print C <<END or die $!;
1127 parent $lastpush_hash
1132 Record $package ($cversion) in archive suite $csuite
1134 $outputhash = make_commit qw(../commit2.tmp);
1135 } elsif ($vcmp > 0) {
1136 print STDERR <<END or die $!;
1138 Version actually in archive: $cversion (older)
1139 Last allegedly pushed/uploaded: $oversion (newer or same)
1142 $outputhash = $lastpush_hash;
1144 $outputhash = $lastpush_hash;
1147 changedir '../../../..';
1148 runcmd @git, qw(update-ref -m),"dgit fetch import $cversion",
1149 'DGIT_ARCHIVE', $outputhash;
1150 cmdoutput @git, qw(log -n2), $outputhash;
1151 # ... gives git a chance to complain if our commit is malformed
1156 sub complete_file_from_dsc ($$) {
1157 our ($dstdir, $fi) = @_;
1158 # Ensures that we have, in $dir, the file $fi, with the correct
1159 # contents. (Downloading it from alongside $dscurl if necessary.)
1161 my $f = $fi->{Filename};
1162 my $tf = "$dstdir/$f";
1165 if (stat_exists $tf) {
1166 progress "using existing $f";
1169 $furl =~ s{/[^/]+$}{};
1171 die "$f ?" unless $f =~ m/^${package}_/;
1172 die "$f ?" if $f =~ m#/#;
1173 runcmd_ordryrun_local @curl,qw(-o),$tf,'--',"$furl";
1174 next if !act_local();
1178 open F, "<", "$tf" or die "$tf: $!";
1179 $fi->{Digester}->reset();
1180 $fi->{Digester}->addfile(*F);
1181 F->error and die $!;
1182 my $got = $fi->{Digester}->hexdigest();
1183 $got eq $fi->{Hash} or
1184 fail "file $f has hash $got but .dsc".
1185 " demands hash $fi->{Hash} ".
1186 ($downloaded ? "(got wrong file from archive!)"
1187 : "(perhaps you should delete this file?)");
1190 sub ensure_we_have_orig () {
1191 foreach my $fi (dsc_files_info()) {
1192 my $f = $fi->{Filename};
1193 next unless is_orig_file($f);
1194 complete_file_from_dsc('..', $fi);
1199 return cmdoutput @git, qw(rev-parse), "$_[0]~0";
1202 sub is_fast_fwd ($$) {
1203 my ($ancestor,$child) = @_;
1204 my @cmd = (@git, qw(merge-base), $ancestor, $child);
1205 my $mb = cmdoutput_errok @cmd;
1207 return rev_parse($mb) eq rev_parse($ancestor);
1209 $?==256 or failedcmd @cmd;
1214 sub git_fetch_us () {
1215 runcmd_ordryrun_local @git, qw(fetch),access_giturl(),fetchspec();
1218 sub fetch_from_archive () {
1219 # ensures that lrref() is what is actually in the archive,
1220 # one way or another
1224 foreach my $field (@ourdscfield) {
1225 $dsc_hash = $dsc->{$field};
1226 last if defined $dsc_hash;
1228 if (defined $dsc_hash) {
1229 $dsc_hash =~ m/\w+/ or fail "invalid hash in .dsc \`$dsc_hash'";
1231 progress "last upload to archive specified git hash";
1233 progress "last upload to archive has NO git hash";
1236 progress "no version available from the archive";
1239 $lastpush_hash = git_get_ref(lrref());
1240 printdebug "previous reference hash=$lastpush_hash\n";
1242 if (defined $dsc_hash) {
1243 fail "missing remote git history even though dsc has hash -".
1244 " could not find ref ".lrref().
1245 " (should have been fetched from ".access_giturl()."#".rrref().")"
1246 unless $lastpush_hash;
1248 ensure_we_have_orig();
1249 if ($dsc_hash eq $lastpush_hash) {
1250 } elsif (is_fast_fwd($dsc_hash,$lastpush_hash)) {
1251 print STDERR <<END or die $!;
1253 Git commit in archive is behind the last version allegedly pushed/uploaded.
1254 Commit referred to by archive: $dsc_hash
1255 Last allegedly pushed/uploaded: $lastpush_hash
1258 $hash = $lastpush_hash;
1260 fail "archive's .dsc refers to ".$dsc_hash.
1261 " but this is an ancestor of ".$lastpush_hash;
1264 $hash = generate_commit_from_dsc();
1265 } elsif ($lastpush_hash) {
1266 # only in git, not in the archive yet
1267 $hash = $lastpush_hash;
1268 print STDERR <<END or die $!;
1270 Package not found in the archive, but has allegedly been pushed using dgit.
1274 printdebug "nothing found!\n";
1275 if (defined $skew_warning_vsn) {
1276 print STDERR <<END or die $!;
1278 Warning: relevant archive skew detected.
1279 Archive allegedly contains $skew_warning_vsn
1280 But we were not able to obtain any version from the archive or git.
1286 printdebug "current hash=$hash\n";
1287 if ($lastpush_hash) {
1288 fail "not fast forward on last upload branch!".
1289 " (archive's version left in DGIT_ARCHIVE)"
1290 unless is_fast_fwd($lastpush_hash, $hash);
1292 if (defined $skew_warning_vsn) {
1294 printdebug "SKEW CHECK WANT $skew_warning_vsn\n";
1295 my $clogf = ".git/dgit/changelog.tmp";
1296 runcmd shell_cmd "exec >$clogf",
1297 @git, qw(cat-file blob), "$hash:debian/changelog";
1298 my $gotclogp = parsechangelog("-l$clogf");
1299 my $got_vsn = getfield $gotclogp, 'Version';
1300 printdebug "SKEW CHECK GOT $got_vsn\n";
1301 if (version_compare($got_vsn, $skew_warning_vsn) < 0) {
1302 print STDERR <<END or die $!;
1304 Warning: archive skew detected. Using the available version:
1305 Archive allegedly contains $skew_warning_vsn
1306 We were able to obtain only $got_vsn
1311 if ($lastpush_hash ne $hash) {
1312 my @upd_cmd = (@git, qw(update-ref -m), 'dgit fetch', lrref(), $hash);
1316 dryrun_report @upd_cmd;
1324 canonicalise_suite();
1325 badusage "dry run makes no sense with clone" unless act_local();
1326 mkdir $dstdir or die "$dstdir $!";
1328 runcmd @git, qw(init -q);
1329 runcmd @git, qw(config), "remote.$remotename.fetch", fetchspec();
1330 open H, "> .git/HEAD" or die $!;
1331 print H "ref: ".lref()."\n" or die $!;
1333 runcmd @git, qw(remote add), 'origin', access_giturl();
1334 if (check_for_git()) {
1335 progress "fetching existing git history";
1337 runcmd_ordryrun_local @git, qw(fetch origin);
1339 progress "starting new git history";
1341 fetch_from_archive() or no_such_package;
1342 my $vcsgiturl = $dsc->{'Vcs-Git'};
1343 if (length $vcsgiturl) {
1344 runcmd @git, qw(remote add vcs-git), $vcsgiturl;
1346 runcmd @git, qw(reset --hard), lrref();
1347 printdone "ready for work in $dstdir";
1351 if (check_for_git()) {
1354 fetch_from_archive() or no_such_package();
1355 printdone "fetched into ".lrref();
1360 runcmd_ordryrun_local @git, qw(merge -m),"Merge from $csuite [dgit]",
1362 printdone "fetched to ".lrref()." and merged into HEAD";
1365 sub check_not_dirty () {
1366 return if $ignoredirty;
1367 my @cmd = (@git, qw(diff --quiet HEAD));
1368 printcmd(\*DEBUG,$debugprefix."+",@cmd) if $debug>0;
1369 $!=0; $?=0; system @cmd;
1370 return if !$! && !$?;
1371 if (!$! && $?==256) {
1372 fail "working tree is dirty (does not match HEAD)";
1378 sub commit_admin ($) {
1381 runcmd_ordryrun_local @git, qw(commit -m), $m;
1384 sub commit_quilty_patch () {
1385 my $output = cmdoutput @git, qw(status --porcelain);
1387 foreach my $l (split /\n/, $output) {
1388 next unless $l =~ m/\S/;
1389 if ($l =~ m{^(?:\?\?| M) (.pc|debian/patches)}) {
1393 delete $adds{'.pc'}; # if there wasn't one before, don't add it
1395 progress "nothing quilty to commit, ok.";
1398 runcmd_ordryrun_local @git, qw(add), sort keys %adds;
1399 commit_admin "Commit Debian 3.0 (quilt) metadata";
1402 sub get_source_format () {
1403 if (!open F, "debian/source/format") {
1404 die $! unless $!==&ENOENT;
1408 F->error and die $!;
1415 return 0 unless $format eq '3.0 (quilt)';
1417 progress "Not doing any fixup of \`$format' due to --no-quilt-fixup";
1420 progress "Format \`$format', checking/updating patch stack";
1424 sub push_parse_changelog ($) {
1427 my $clogp = Dpkg::Control::Hash->new();
1428 $clogp->load($clogpfn) or die;
1430 $package = getfield $clogp, 'Source';
1431 my $cversion = getfield $clogp, 'Version';
1432 my $tag = debiantag($cversion);
1433 runcmd @git, qw(check-ref-format), $tag;
1435 my $dscfn = dscfn($cversion);
1437 return ($clogp, $cversion, $tag, $dscfn);
1440 sub push_parse_dsc ($$$) {
1441 my ($dscfn,$dscfnwhat, $cversion) = @_;
1442 $dsc = parsecontrol($dscfn,$dscfnwhat);
1443 my $dversion = getfield $dsc, 'Version';
1444 my $dscpackage = getfield $dsc, 'Source';
1445 ($dscpackage eq $package && $dversion eq $cversion) or
1446 fail "$dscfn is for $dscpackage $dversion".
1447 " but debian/changelog is for $package $cversion";
1450 sub push_mktag ($$$$$$$) {
1451 my ($head,$clogp,$tag,
1453 $changesfile,$changesfilewhat,
1456 $dsc->{$ourdscfield[0]} = $head;
1457 $dsc->save("$dscfn.tmp") or die $!;
1459 my $changes = parsecontrol($changesfile,$changesfilewhat);
1460 foreach my $field (qw(Source Distribution Version)) {
1461 $changes->{$field} eq $clogp->{$field} or
1462 fail "changes field $field \`$changes->{$field}'".
1463 " does not match changelog \`$clogp->{$field}'";
1466 my $cversion = getfield $clogp, 'Version';
1467 my $clogsuite = getfield $clogp, 'Distribution';
1469 # We make the git tag by hand because (a) that makes it easier
1470 # to control the "tagger" (b) we can do remote signing
1471 my $authline = clogp_authline $clogp;
1472 open TO, '>', $tfn->('.tmp') or die $!;
1473 print TO <<END or die $!;
1479 $package release $cversion for $clogsuite ($csuite) [dgit]
1483 my $tagobjfn = $tfn->('.tmp');
1485 if (!defined $keyid) {
1486 $keyid = access_cfg('keyid','RETURN-UNDEF');
1488 unlink $tfn->('.tmp.asc') or $!==&ENOENT or die $!;
1489 my @sign_cmd = (@gpg, qw(--detach-sign --armor));
1490 push @sign_cmd, qw(-u),$keyid if defined $keyid;
1491 push @sign_cmd, $tfn->('.tmp');
1492 runcmd_ordryrun @sign_cmd;
1494 $tagobjfn = $tfn->('.signed.tmp');
1495 runcmd shell_cmd "exec >$tagobjfn", qw(cat --),
1496 $tfn->('.tmp'), $tfn->('.tmp.asc');
1503 sub sign_changes ($) {
1504 my ($changesfile) = @_;
1506 my @debsign_cmd = @debsign;
1507 push @debsign_cmd, "-k$keyid" if defined $keyid;
1508 push @debsign_cmd, "-p$gpg[0]" if $gpg[0] ne 'gpg';
1509 push @debsign_cmd, $changesfile;
1510 runcmd_ordryrun @debsign_cmd;
1515 printdebug "actually entering push\n";
1518 access_giturl(); # check that success is vaguely likely
1520 my $clogpfn = ".git/dgit/changelog.822.tmp";
1521 runcmd shell_cmd "exec >$clogpfn", qw(dpkg-parsechangelog);
1523 responder_send_file('parsed-changelog', $clogpfn);
1525 my ($clogp, $cversion, $tag, $dscfn) =
1526 push_parse_changelog("$clogpfn");
1528 my $dscpath = "$buildproductsdir/$dscfn";
1529 stat_exists $dscpath or
1530 fail "looked for .dsc $dscfn, but $!;".
1531 " maybe you forgot to build";
1533 responder_send_file('dsc', $dscpath);
1535 push_parse_dsc($dscpath, $dscfn, $cversion);
1537 my $format = getfield $dsc, 'Format';
1538 printdebug "format $format\n";
1539 if (madformat($format)) {
1540 commit_quilty_patch();
1544 progress "checking that $dscfn corresponds to HEAD";
1545 runcmd qw(dpkg-source -x --),
1546 $dscpath =~ m#^/# ? $dscpath : "../../../$dscpath";
1547 my ($tree,$dir) = mktree_in_ud_from_only_subdir();
1548 changedir '../../../..';
1549 my $diffopt = $debug>0 ? '--exit-code' : '--quiet';
1550 my @diffcmd = (@git, qw(diff), $diffopt, $tree);
1551 printcmd \*DEBUG,$debugprefix."+",@diffcmd;
1553 my $r = system @diffcmd;
1556 fail "$dscfn specifies a different tree to your HEAD commit;".
1557 " perhaps you forgot to build".
1558 ($diffopt eq '--exit-code' ? "" :
1559 " (run with -D to see full diff output)");
1565 #do fast forward check and maybe fake merge
1566 # if (!is_fast_fwd(mainbranch
1567 # runcmd @git, qw(fetch -p ), "$alioth_git/$package.git",
1568 # map { lref($_).":".rref($_) }
1570 my $head = rev_parse('HEAD');
1571 if (!$changesfile) {
1572 my $multi = "$buildproductsdir/".
1573 "${package}_".(stripepoch $cversion)."_multi.changes";
1574 if (stat_exists "$multi") {
1575 $changesfile = $multi;
1577 my $pat = "${package}_".(stripepoch $cversion)."_*.changes";
1578 my @cs = glob "$buildproductsdir/$pat";
1579 fail "failed to find unique changes file".
1580 " (looked for $pat in $buildproductsdir, or $multi);".
1581 " perhaps you need to use dgit -C"
1583 ($changesfile) = @cs;
1586 $changesfile = "$buildproductsdir/$changesfile";
1589 responder_send_file('changes',$changesfile);
1590 responder_send_command("param head $head");
1591 responder_send_command("param csuite $csuite");
1593 my $tfn = sub { ".git/dgit/tag$_[0]"; };
1596 if ($we_are_responder) {
1597 $tagobjfn = $tfn->('.signed.tmp');
1598 responder_receive_files('signed-tag', $tagobjfn);
1601 push_mktag($head,$clogp,$tag,
1603 $changesfile,$changesfile,
1607 my $tag_obj_hash = cmdoutput @git, qw(hash-object -w -t tag), $tagobjfn;
1608 runcmd_ordryrun @git, qw(verify-tag), $tag_obj_hash;
1609 runcmd_ordryrun_local @git, qw(update-ref), "refs/tags/$tag", $tag_obj_hash;
1610 runcmd_ordryrun @git, qw(tag -v --), $tag;
1612 if (!check_for_git()) {
1613 create_remote_git_repo();
1615 runcmd_ordryrun @git, qw(push),access_giturl(),
1616 "HEAD:".rrref(), "refs/tags/$tag";
1617 runcmd_ordryrun @git, qw(update-ref -m), 'dgit push', lrref(), 'HEAD';
1619 if ($we_are_responder) {
1620 my $dryrunsuffix = act_local() ? "" : ".tmp";
1621 responder_receive_files('signed-dsc-changes',
1622 "$dscpath$dryrunsuffix",
1623 "$changesfile$dryrunsuffix");
1626 rename "$dscpath.tmp",$dscpath or die "$dscfn $!";
1628 progress "[new .dsc left in $dscpath.tmp]";
1630 sign_changes $changesfile;
1633 my $host = access_cfg('upload-host','RETURN-UNDEF');
1634 my @hostarg = defined($host) ? ($host,) : ();
1635 runcmd_ordryrun @dput, @hostarg, $changesfile;
1636 printdone "pushed and uploaded $cversion";
1638 responder_send_command("complete");
1644 badusage "-p is not allowed with clone; specify as argument instead"
1645 if defined $package;
1648 } elsif (@ARGV==2 && $ARGV[1] =~ m#^\w#) {
1649 ($package,$isuite) = @ARGV;
1650 } elsif (@ARGV==2 && $ARGV[1] =~ m#^[./]#) {
1651 ($package,$dstdir) = @ARGV;
1652 } elsif (@ARGV==3) {
1653 ($package,$isuite,$dstdir) = @ARGV;
1655 badusage "incorrect arguments to dgit clone";
1657 $dstdir ||= "$package";
1659 if (stat_exists $dstdir) {
1660 fail "$dstdir already exists";
1664 if ($rmonerror && !$dryrun_level) {
1665 $cwd_remove= getcwd();
1667 return unless defined $cwd_remove;
1668 if (!chdir "$cwd_remove") {
1669 return if $!==&ENOENT;
1670 die "chdir $cwd_remove: $!";
1672 rmtree($dstdir) or die "remove $dstdir: $!\n";
1677 $cwd_remove = undef;
1680 sub branchsuite () {
1681 my $branch = cmdoutput_errok @git, qw(symbolic-ref HEAD);
1682 if ($branch =~ m#$lbranch_re#o) {
1689 sub fetchpullargs () {
1690 if (!defined $package) {
1691 my $sourcep = parsecontrol('debian/control','debian/control');
1692 $package = getfield $sourcep, 'Source';
1695 # $isuite = branchsuite(); # this doesn't work because dak hates canons
1697 my $clogp = parsechangelog();
1698 $isuite = getfield $clogp, 'Distribution';
1700 canonicalise_suite();
1701 progress "fetching from suite $csuite";
1702 } elsif (@ARGV==1) {
1704 canonicalise_suite();
1706 badusage "incorrect arguments to dgit fetch or dgit pull";
1724 badusage "-p is not allowed with dgit push" if defined $package;
1726 my $clogp = parsechangelog();
1727 $package = getfield $clogp, 'Source';
1730 } elsif (@ARGV==1) {
1731 ($specsuite) = (@ARGV);
1733 badusage "incorrect arguments to dgit push";
1735 $isuite = getfield $clogp, 'Distribution';
1737 local ($package) = $existing_package; # this is a hack
1738 canonicalise_suite();
1740 if (defined $specsuite && $specsuite ne $isuite) {
1741 canonicalise_suite();
1742 $csuite eq $specsuite or
1743 fail "dgit push: changelog specifies $isuite ($csuite)".
1744 " but command line specifies $specsuite";
1746 if (check_for_git()) {
1749 if (fetch_from_archive()) {
1750 is_fast_fwd(lrref(), 'HEAD') or
1751 fail "dgit push: HEAD is not a descendant".
1752 " of the archive's version.\n".
1753 "$us: To overwrite it, use git merge -s ours ".lrref().".";
1756 fail "package appears to be new in this suite;".
1757 " if this is intentional, use --new";
1762 #---------- remote commands' implementation ----------
1764 sub cmd_remote_push_build_host {
1765 my ($nrargs) = shift @ARGV;
1766 my (@rargs) = @ARGV[0..$nrargs-1];
1767 @ARGV = @ARGV[$nrargs..$#ARGV];
1769 my ($dir,$vsnwant) = @rargs;
1770 # vsnwant is a comma-separated list; we report which we have
1771 # chosen in our ready response (so other end can tell if they
1774 $we_are_responder = 1;
1776 open PI, "<&STDIN" or die $!;
1777 open STDIN, "/dev/null" or die $!;
1778 open PO, ">&STDOUT" or die $!;
1780 open STDOUT, ">&STDERR" or die $!;
1784 fail "build host has dgit rpush protocol version".
1785 " $rpushprotovsn but invocation host has $vsnwant"
1786 unless grep { $rpushprotovsn eq $_ } split /,/, $vsnwant;
1788 responder_send_command("dgit-remote-push-ready $rpushprotovsn");
1794 sub cmd_remote_push_responder { cmd_remote_push_build_host(); }
1795 # ... for compatibility with proto vsn.1 dgit (just so that user gets
1796 # a good error message)
1802 my $report = i_child_report();
1803 if (defined $report) {
1804 printdebug "($report)\n";
1805 } elsif ($i_child_pid) {
1806 printdebug "(killing build host child $i_child_pid)\n";
1807 kill 15, $i_child_pid;
1809 if (defined $i_tmp && !defined $initiator_tempdir) {
1811 eval { rmtree $i_tmp; };
1815 END { i_cleanup(); }
1818 my ($base,$selector,@args) = @_;
1819 $selector =~ s/\-/_/g;
1820 { no strict qw(refs); &{"${base}_${selector}"}(@args); }
1826 if ($host =~ m/^((?:[^][]|\[[^][]*\])*)\:/) {
1833 my @rargs = ($dir,$rpushprotovsn);
1836 push @rdgit, @ropts;
1837 push @rdgit, qw(remote-push-build-host), (scalar @rargs), @rargs;
1839 my @cmd = (@ssh, $host, shellquote @rdgit);
1840 printcmd \*DEBUG,$debugprefix."+",@cmd;
1842 if (defined $initiator_tempdir) {
1843 rmtree $initiator_tempdir;
1844 mkdir $initiator_tempdir, 0700 or die "$initiator_tempdir: $!";
1845 $i_tmp = $initiator_tempdir;
1849 $i_child_pid = open2(\*RO, \*RI, @cmd);
1851 initiator_expect { m/^dgit-remote-push-ready/ };
1853 my ($icmd,$iargs) = initiator_expect {
1854 m/^(\S+)(?: (.*))?$/;
1857 i_method "i_resp", $icmd, $iargs;
1861 sub i_resp_progress ($) {
1863 my $msg = protocol_read_bytes \*RO, $rhs;
1867 sub i_resp_complete {
1868 my $pid = $i_child_pid;
1869 $i_child_pid = undef; # prevents killing some other process with same pid
1870 printdebug "waiting for build host child $pid...\n";
1871 my $got = waitpid $pid, 0;
1872 die $! unless $got == $pid;
1873 die "build host child failed $?" if $?;
1876 printdebug "all done\n";
1880 sub i_resp_file ($) {
1882 my $localname = i_method "i_localname", $keyword;
1883 my $localpath = "$i_tmp/$localname";
1884 stat_exists $localpath and
1885 badproto \*RO, "file $keyword ($localpath) twice";
1886 protocol_receive_file \*RO, $localpath;
1887 i_method "i_file", $keyword;
1892 sub i_resp_param ($) {
1893 $_[0] =~ m/^(\S+) (.*)$/ or badproto \*RO, "bad param spec";
1899 sub i_resp_want ($) {
1901 die "$keyword ?" if $i_wanted{$keyword}++;
1902 my @localpaths = i_method "i_want", $keyword;
1903 printdebug "[[ $keyword @localpaths\n";
1904 foreach my $localpath (@localpaths) {
1905 protocol_send_file \*RI, $localpath;
1907 print RI "files-end\n" or die $!;
1910 our ($i_clogp, $i_version, $i_tag, $i_dscfn, $i_changesfn);
1912 sub i_localname_parsed_changelog {
1913 return "remote-changelog.822";
1915 sub i_file_parsed_changelog {
1916 ($i_clogp, $i_version, $i_tag, $i_dscfn) =
1917 push_parse_changelog "$i_tmp/remote-changelog.822";
1918 die if $i_dscfn =~ m#/|^\W#;
1921 sub i_localname_dsc {
1922 defined $i_dscfn or badproto \*RO, "dsc (before parsed-changelog)";
1927 sub i_localname_changes {
1928 defined $i_dscfn or badproto \*RO, "dsc (before parsed-changelog)";
1929 $i_changesfn = $i_dscfn;
1930 $i_changesfn =~ s/\.dsc$/_dgit.changes/ or die;
1931 return $i_changesfn;
1933 sub i_file_changes { }
1935 sub i_want_signed_tag {
1936 printdebug Dumper(\%i_param, $i_dscfn);
1937 defined $i_param{'head'} && defined $i_dscfn && defined $i_clogp
1938 && defined $i_param{'csuite'}
1939 or badproto \*RO, "premature desire for signed-tag";
1940 my $head = $i_param{'head'};
1941 die if $head =~ m/[^0-9a-f]/ || $head !~ m/^../;
1943 die unless $i_param{'csuite'} =~ m/^$suite_re$/;
1945 push_parse_dsc $i_dscfn, 'remote dsc', $i_version;
1948 push_mktag $head, $i_clogp, $i_tag,
1950 $i_changesfn, 'remote changes',
1951 sub { "tag$_[0]"; };
1956 sub i_want_signed_dsc_changes {
1957 rename "$i_dscfn.tmp","$i_dscfn" or die "$i_dscfn $!";
1958 sign_changes $i_changesfn;
1959 return ($i_dscfn, $i_changesfn);
1962 #---------- building etc. ----------
1968 our $fakeeditorenv = 'DGIT_FAKE_EDITOR_QUILT';
1970 sub build_maybe_quilt_fixup () {
1971 my $format=get_source_format;
1972 return unless madformat $format;
1976 # - honour any existing .pc in case it has any strangeness
1977 # - determine the git commit corresponding to the tip of
1978 # the patch stack (if there is one)
1979 # - if there is such a git commit, convert each subsequent
1980 # git commit into a quilt patch with dpkg-source --commit
1981 # - otherwise convert all the differences in the tree into
1982 # a single git commit
1986 # Our git tree doesn't necessarily contain .pc. (Some versions of
1987 # dgit would include the .pc in the git tree.) If there isn't
1988 # one, we need to generate one by unpacking the patches that we
1991 # We first look for a .pc in the git tree. If there is one, we
1992 # will use it. (This is not the normal case.)
1994 # Otherwise need to regenerate .pc so that dpkg-source --commit
1995 # can work. We do this as follows:
1996 # 1. Collect all relevant .orig from parent directory
1997 # 2. Generate a debian.tar.gz out of
1998 # debian/{patches,rules,source/format}
1999 # 3. Generate a fake .dsc containing just these fields:
2000 # Format Source Version Files
2001 # 4. Extract the fake .dsc
2002 # Now the fake .dsc has a .pc directory.
2003 # (In fact we do this in every case, because in future we will
2004 # want to search for a good base commit for generating patches.)
2006 # Then we can actually do the dpkg-source --commit
2007 # 1. Make a new working tree with the same object
2008 # store as our main tree and check out the main
2010 # 2. Copy .pc from the fake's extraction, if necessary
2011 # 3. Run dpkg-source --commit
2012 # 4. If the result has changes to debian/, then
2013 # - git-add them them
2014 # - git-add .pc if we had a .pc in-tree
2016 # 5. If we had a .pc in-tree, delete it, and git-commit
2017 # 6. Back in the main tree, fast forward to the new HEAD
2019 my $clogp = parsechangelog();
2020 my $headref = rev_parse('HEAD');
2025 my $upstreamversion=$version;
2026 $upstreamversion =~ s/-[^-]*$//;
2028 my $fakeversion="$upstreamversion-~~DGITFAKE";
2030 my $fakedsc=new IO::File 'fake.dsc', '>' or die $!;
2031 print $fakedsc <<END or die $!;
2034 Version: $fakeversion
2038 my $dscaddfile=sub {
2041 my $md = new Digest::MD5;
2043 my $fh = new IO::File $b, '<' or die "$b $!";
2048 print $fakedsc " ".$md->hexdigest." $size $b\n" or die $!;
2051 foreach my $f (<../../../../*>) { #/){
2052 my $b=$f; $b =~ s{.*/}{};
2053 next unless is_orig_file $b, srcfn $upstreamversion,'';
2054 link $f, $b or die "$b $!";
2058 my @files=qw(debian/source/format debian/rules);
2059 if (stat_exists '../../../debian/patches') {
2060 push @files, 'debian/patches';
2063 my $debtar= srcfn $fakeversion,'.debian.tar.gz';
2064 runcmd qw(env GZIP=-1 tar -zcf), "./$debtar", qw(-C ../../..), @files;
2066 $dscaddfile->($debtar);
2067 close $fakedsc or die $!;
2069 runcmd qw(sh -ec), 'exec dpkg-source --no-check -x fake.dsc >/dev/null';
2071 my $fakexdir= $package.'-'.(stripepoch $upstreamversion);
2072 rename $fakexdir, "fake" or die "$fakexdir $!";
2074 mkdir "work" or die $!;
2076 mktree_in_ud_here();
2077 runcmd @git, qw(reset --hard), $headref;
2080 if (stat_exists ".pc") {
2082 progress "Tree already contains .pc - will use it then delete it.";
2085 rename '../fake/.pc','.pc' or die $!;
2088 my $author = getfield $clogp, 'Maintainer';
2091 my $patchname = "auto-$version-$headref-$time";
2092 my $msg = cmdoutput @git, qw(log), "-n$ncommits";
2094 my $descfn = ".git/dgit/quilt-description.tmp";
2095 open O, '>', $descfn or die "$descfn: $!";
2097 $msg =~ s/^\s+$/ ./mg;
2098 print O <<END or die $!;
2099 Description: Automatically generated patch ($clogp->{Version})
2100 Last (up to) $ncommits git changes, FYI:
2110 local $ENV{'EDITOR'} = cmdoutput qw(realpath --), $0;
2111 local $ENV{'VISUAL'} = $ENV{'EDITOR'};
2112 local $ENV{$fakeeditorenv} = cmdoutput qw(realpath --), $descfn;
2113 runcmd_ordryrun_local @dpkgsource, qw(--commit .), $patchname;
2116 if (!open P, '>>', ".pc/applied-patches") {
2117 $!==&ENOENT or die $!;
2122 commit_quilty_patch();
2124 if ($mustdeletepc) {
2125 runcmd @git, qw(rm -rq .pc);
2126 commit_admin "Commit removal of .pc (quilt series tracking data)";
2129 changedir '../../../..';
2130 runcmd @git, qw(pull --ff-only -q .git/dgit/unpack/work master);
2133 sub quilt_fixup_editor () {
2134 my $descfn = $ENV{$fakeeditorenv};
2135 my $editing = $ARGV[$#ARGV];
2136 open I1, '<', $descfn or die "$descfn: $!";
2137 open I2, '<', $editing or die "$editing: $!";
2138 unlink $editing or die "$editing: $!";
2139 open O, '>', $editing or die "$editing: $!";
2140 while (<I1>) { print O or die $!; } I1->error and die $!;
2143 $copying ||= m/^\-\-\- /;
2144 next unless $copying;
2147 I2->error and die $!;
2153 if ($cleanmode eq 'dpkg-source') {
2154 runcmd_ordryrun_local @dpkgbuildpackage, qw(-T clean);
2155 } elsif ($cleanmode eq 'git') {
2156 runcmd_ordryrun_local @git, qw(clean -xdf);
2157 } elsif ($cleanmode eq 'none') {
2164 badusage "clean takes no additional arguments" if @ARGV;
2169 badusage "-p is not allowed when building" if defined $package;
2172 my $clogp = parsechangelog();
2173 $isuite = getfield $clogp, 'Distribution';
2174 $package = getfield $clogp, 'Source';
2175 $version = getfield $clogp, 'Version';
2176 build_maybe_quilt_fixup();
2179 sub changesopts () {
2180 my @opts =@changesopts[1..$#changesopts];
2181 if (!defined $changes_since_version) {
2182 my @vsns = archive_query('archive_query');
2183 my @quirk = access_quirk();
2184 if ($quirk[0] eq 'backports') {
2185 local $isuite = $quirk[2];
2187 canonicalise_suite();
2188 push @vsns, archive_query('archive_query');
2191 @vsns = map { $_->[0] } @vsns;
2192 @vsns = sort { -version_compare($a, $b) } @vsns;
2193 $changes_since_version = $vsns[0];
2194 progress "changelog will contain changes since $vsns[0]";
2196 $changes_since_version = '_';
2197 progress "package seems new, not specifying -v<version>";
2200 if ($changes_since_version ne '_') {
2201 unshift @opts, "-v$changes_since_version";
2208 runcmd_ordryrun_local @dpkgbuildpackage, qw(-us -uc), changesopts(), @ARGV;
2209 printdone "build successful\n";
2215 (qw(git-buildpackage -us -uc --git-no-sign-tags),
2216 "--git-builder=@dpkgbuildpackage");
2217 unless (grep { m/^--git-debian-branch|^--git-ignore-branch/ } @ARGV) {
2218 canonicalise_suite();
2219 push @cmd, "--git-debian-branch=".lbranch();
2221 push @cmd, changesopts();
2222 runcmd_ordryrun_local @cmd, @ARGV;
2223 printdone "build successful\n";
2228 $sourcechanges = "${package}_".(stripepoch $version)."_source.changes";
2229 $dscfn = dscfn($version);
2230 if ($cleanmode eq 'dpkg-source') {
2231 runcmd_ordryrun_local (@dpkgbuildpackage, qw(-us -uc -S)),
2234 my $pwd = must_getcwd();
2235 my $leafdir = basename $pwd;
2237 runcmd_ordryrun_local @dpkgsource, qw(-b --), $leafdir;
2239 runcmd_ordryrun_local qw(sh -ec),
2240 'exec >$1; shift; exec "$@"','x',
2241 "../$sourcechanges",
2242 @dpkggenchanges, qw(-S), changesopts();
2246 sub cmd_build_source {
2247 badusage "build-source takes no additional arguments" if @ARGV;
2249 printdone "source built, results in $dscfn and $sourcechanges";
2255 my $pat = "${package}_".(stripepoch $version)."_*.changes";
2257 stat_exist $dscfn or fail "$dscfn (in parent directory): $!";
2258 stat_exists $sourcechanges
2259 or fail "$sourcechanges (in parent directory): $!";
2260 foreach my $cf (glob $pat) {
2261 next if $cf eq $sourcechanges;
2262 unlink $cf or fail "remove $cf: $!";
2265 runcmd_ordryrun_local @sbuild, @ARGV, qw(-d), $isuite, $dscfn;
2266 my @changesfiles = glob $pat;
2267 @changesfiles = sort {
2268 ($b =~ m/_source\.changes$/ <=> $a =~ m/_source\.changes$/)
2271 fail "wrong number of different changes files (@changesfiles)"
2272 unless @changesfiles;
2273 runcmd_ordryrun_local @mergechanges, @changesfiles;
2274 my $multichanges = "${package}_".(stripepoch $version)."_multi.changes";
2276 stat_exists $multichanges or fail "$multichanges: $!";
2278 printdone "build successful, results in $multichanges\n" or die $!;
2281 sub cmd_quilt_fixup {
2282 badusage "incorrect arguments to dgit quilt-fixup" if @ARGV;
2283 my $clogp = parsechangelog();
2284 $version = getfield $clogp, 'Version';
2285 $package = getfield $clogp, 'Source';
2286 build_maybe_quilt_fixup();
2289 #---------- argument parsing and main program ----------
2292 print "dgit version $our_version\n" or die $!;
2299 if (defined $ENV{'DGIT_SSH'}) {
2300 @ssh = string_to_ssh $ENV{'DGIT_SSH'};
2301 } elsif (defined $ENV{'GIT_SSH'}) {
2302 @ssh = ($ENV{'GIT_SSH'});
2306 last unless $ARGV[0] =~ m/^-/;
2310 if (m/^--dry-run$/) {
2313 } elsif (m/^--damp-run$/) {
2316 } elsif (m/^--no-sign$/) {
2319 } elsif (m/^--help$/) {
2321 } elsif (m/^--version$/) {
2323 } elsif (m/^--new$/) {
2326 } elsif (m/^--since-version=([^_]+|_)$/) {
2328 $changes_since_version = $1;
2329 } elsif (m/^--([-0-9a-z]+)=(.*)/s &&
2330 ($om = $opts_opt_map{$1}) &&
2334 } elsif (m/^--([-0-9a-z]+):(.*)/s &&
2335 !$opts_opt_cmdonly{$1} &&
2336 ($om = $opts_opt_map{$1})) {
2339 } elsif (m/^--existing-package=(.*)/s) {
2341 $existing_package = $1;
2342 } elsif (m/^--initiator-tempdir=(.*)/s) {
2343 $initiator_tempdir = $1;
2344 $initiator_tempdir =~ m#^/# or
2345 badusage "--initiator-tempdir must be used specify an".
2346 " absolute, not relative, directory."
2347 } elsif (m/^--distro=(.*)/s) {
2350 } elsif (m/^--build-products-dir=(.*)/s) {
2352 $buildproductsdir = $1;
2353 } elsif (m/^--clean=(dpkg-source|git|none)$/s) {
2356 } elsif (m/^--clean=(.*)$/s) {
2357 badusage "unknown cleaning mode \`$1'";
2358 } elsif (m/^--ignore-dirty$/s) {
2361 } elsif (m/^--no-quilt-fixup$/s) {
2364 } elsif (m/^--no-rm-on-error$/s) {
2368 badusage "unknown long option \`$_'";
2375 } elsif (s/^-L/-/) {
2378 } elsif (s/^-h/-/) {
2380 } elsif (s/^-D/-/) {
2382 open DEBUG, ">&STDERR" or die $!;
2385 } elsif (s/^-N/-/) {
2388 } elsif (s/^-v([^_]+|_)$//s) {
2390 $changes_since_version = $1;
2393 push @changesopts, $_;
2395 } elsif (s/^-c(.*=.*)//s) {
2397 push @git, '-c', $1;
2398 } elsif (s/^-d(.*)//s) {
2401 } elsif (s/^-C(.*)//s) {
2404 if ($changesfile =~ s#^(.*)/##) {
2405 $buildproductsdir = $1;
2407 } elsif (s/^-k(.*)//s) {
2409 } elsif (s/^-wn//s) {
2411 $cleanmode = 'none';
2412 } elsif (s/^-wg//s) {
2415 } elsif (s/^-wd//s) {
2417 $cleanmode = 'dpkg-source';
2419 badusage "unknown short option \`$_'";
2426 if ($ENV{$fakeeditorenv}) {
2427 quilt_fixup_editor();
2431 print STDERR "DRY RUN ONLY\n" if $dryrun_level > 1;
2432 print STDERR "DAMP RUN - WILL MAKE LOCAL (UNSIGNED) CHANGES\n"
2433 if $dryrun_level == 1;
2435 print STDERR $helpmsg or die $!;
2438 my $cmd = shift @ARGV;
2441 my $fn = ${*::}{"cmd_$cmd"};
2442 $fn or badusage "unknown operation $cmd";