#!/usr/bin/perl -w
+# dgit
+# Integration between git and Debian-style archives
+#
+# Copyright (C)2013 Ian Jackson
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
use strict;
use IO::Handle;
use LWP::UserAgent;
use Dpkg::Control::Hash;
use File::Path;
+use Dpkg::Version;
use POSIX;
-open DEBUG, ">&STDERR" or die $!;
+our $isuite = 'unstable';
+our $package;
+
+our $sign = 1;
+our $dryrun = 0;
+our $changesfile;
+our $new_package = 0;
+our $existing_package = 'dpkg';
+
+our %format_ok = map { $_=>1 } ("1.0","3.0 (native)","3.0 (quilt)");
+
+our (@git) = qw(git);
+our (@dget) = qw(dget);
+our (@dput) = qw(dput);
+our (@debsign) = qw(debsign);
+our (@sbuild) = qw(sbuild -A);
+our (@dpkgbuildpackage) = qw(dpkg-buildpackage -i\.git/ -I.git);
+our (@mergechanges) = qw(mergechanges -f);
+
+
+our %opts_opt_map = ('dget' => \@dget,
+ 'dput' => \@dput,
+ 'debsign' => \@debsign,
+ 'sbuild' => \@sbuild,
+ 'dpkg-buildpackage' => \@dpkgbuildpackage,
+ 'mergechanges' => \@mergechanges);
+
+our $keyid;
+
+our $debug = 0;
+open DEBUG, ">/dev/null" or die $!;
+
+our $remotename = 'dgit';
+our $ourdscfield = 'Vcs-Dgit-Master';
+our $branchprefix = 'dgit';
+our $csuite;
+
+sub lbranch () { return "$branchprefix/$csuite"; }
+my $lbranch_re = '^refs/heads/'.$branchprefix.'/([^/.]+)$';
+sub lref () { return "refs/heads/".lbranch(); }
+sub lrref () { return "refs/remotes/$remotename/$csuite"; }
+sub rrref () { return "refs/$branchprefix/$csuite"; }
+sub debiantag ($) { return "debian/$_[0]"; }
+
+sub dscfn ($) { return "${package}_$_[0].dsc"; }
+
+our $us = 'dgit';
+
+sub fail { die "$us: @_\n"; }
-our $pdo = 'http://packages.debian.org/';
-#our $mirror = 'http://mirror.relativity.greenend.org.uk/mirror/debian-ftp/';
-our $suite = 'sid';
-our $package = '2vcard';
+sub badcfg { print STDERR "$us: invalid configuration: @_\n"; exit 12; }
-our $aliothname = 'iwj@git.debian.org';
-our $aliothpath = '/git/dgit-test';
-our $alioth_git = 'git+ssh://$aliothname/$aliothpath';
-our $alioth_sshtestbodge = [$aliothname,$aliothpath];
+sub no_such_package () {
+ print STDERR "$us: package $package does not exist in suite $isuite\n";
+ exit 4;
+}
-sub mainbranch () { return "$suite"; }
-sub uploadingbranch () { return "uploading/$suite"; }
+sub fetchspec () {
+ local $csuite = '*';
+ return "+".rrref().":".lrref();
+}
our $ua;
$ua = LWP::UserAgent->new();
$ua->env_proxy;
}
-print DEBUG "fetching @_...\n";
+ my $what = $_[$#_];
+ print "downloading $what...\n";
my $r = $ua->get(@_) or die $!;
- die "$_[0]: ".$r->status_line."; failed.\n" unless $r->is_success;
+ $r->is_success or fail "failed to fetch $what: ".$r->status_line;
return $r->decoded_content();
}
-our ($dscdata,$dscurl);
+our ($dscdata,$dscurl,$dsc);
+
+sub printcmd {
+ my $fh = shift @_;
+ my $intro = shift @_;
+ print $fh $intro or die $!;
+ local $_;
+ foreach my $a (@_) {
+ $_ = $a;
+ if (s{['\\]}{\\$&}g || m{\s} || m{[^-_./0-9a-z]}i) {
+ print $fh " '$_'" or die $!;
+ } else {
+ print $fh " $_" or die $!;
+ }
+ }
+ print $fh "\n" or die $!;
+}
+
+sub failedcmd {
+ { local ($!); printcmd \*STDERR, "$_[0]: failed command:", @_ or die $!; };
+ if ($!) {
+ fail "failed to fork/exec: $!";
+ } elsif (!($? & 0xff)) {
+ fail "subprocess failed with error exit status ".($?>>8);
+ } elsif ($?) {
+ fail "subprocess crashed (wait status $?)";
+ } else {
+ fail "subprocess produced invalid output";
+ }
+}
+
+sub runcmd {
+ printcmd(\*DEBUG,"+",@_) if $debug>0;
+ $!=0; $?=0;
+ failedcmd @_ if system @_;
+}
+
+sub printdone {
+ if (!$dryrun) {
+ print "dgit ok: @_\n";
+ } else {
+ print "would be ok: @_ (but dry run only)\n";
+ }
+}
+
+sub cmdoutput_errok {
+ die Dumper(\@_)." ?" if grep { !defined } @_;
+ printcmd(\*DEBUG,"|",@_) if $debug>0;
+ open P, "-|", @_ or die $!;
+ my $d;
+ $!=0; $?=0;
+ { local $/ = undef; $d = <P>; }
+ die $! if P->error;
+ if (!close P) { print DEBUG "=>!$?\n" if $debug>0; return undef; }
+ chomp $d;
+ $d =~ m/^.*/;
+ print DEBUG "=> \`$&'",(length $' ? '...' : ''),"\n" if $debug>0; #';
+ return $d;
+}
+
+sub cmdoutput {
+ my $d = cmdoutput_errok @_;
+ defined $d or failedcmd @_;
+ return $d;
+}
+
+sub dryrun_report {
+ printcmd(\*STDOUT,"#",@_);
+}
+
+sub runcmd_ordryrun {
+ if (!$dryrun) {
+ runcmd @_;
+ } else {
+ dryrun_report @_;
+ }
+}
+
+our $helpmsg = <<END;
+main usages:
+ dgit [dgit-opts] clone [dgit-opts] package [suite] [./dir|/dir]
+ dgit [dgit-opts] fetch|pull [dgit-opts] [suite]
+ dgit [dgit-opts] build [git-buildpackage-opts|dpkg-buildpackage-opts]
+ dgit [dgit-opts] push [dgit-opts] [suite]
+important dgit options:
+ -k<keyid> sign tag and package with <keyid> instead of default
+ --dry-run -n do not change anything, but go through the motions
+ --new -N allow introducing a new package
+ --debug -D increase debug level
+ -c<name>=<value> set git config option (used directly by dgit too)
+END
+
+sub badusage {
+ print STDERR "$us: @_\n", $helpmsg or die $!;
+ exit 8;
+}
+
+sub helponly () {
+ print $helpmsg or die $!;
+ exit 0;
+}
+
+our %defcfg = ('dgit.default.distro' => 'debian',
+ 'dgit.default.username' => '',
+ 'dgit.default.archive-query-default-component' => 'main',
+ 'dgit.default.ssh' => 'ssh',
+ 'dgit-distro.debian.git-host' => 'dgit.debian.net',
+ 'dgit-distro.debian.git-proto' => 'git+ssh://',
+ 'dgit-distro.debian.git-path' => '/git/dgit-repos',
+ 'dgit-distro.debian.git-check' => 'ssh-cmd',
+ 'dgit-distro.debian.git-create' => 'ssh-cmd',
+ 'dgit-distro.debian.sshdakls-host' => 'coccia.debian.org',
+ 'dgit-distro.debian.sshdakls-dir' =>
+ '/srv/ftp-master.debian.org/ftp/dists',
+ 'dgit-distro.debian.mirror' => 'http://http.debian.net/debian/');
+
+sub cfg {
+ foreach my $c (@_) {
+ return undef if $c =~ /RETURN-UNDEF/;
+ my @cmd = (@git, qw(config --), $c);
+ my $v;
+ {
+ local ($debug) = $debug-1;
+ $v = cmdoutput_errok @cmd;
+ };
+ if ($?==0) {
+ return $v;
+ } elsif ($?!=256) {
+ failedcmd @cmd;
+ }
+ my $dv = $defcfg{$c};
+ return $dv if defined $dv;
+ }
+ badcfg "need value for one of: @_";
+}
+
+sub access_distro () {
+ return cfg("dgit-suite.$isuite.distro",
+ "dgit.default.distro");
+}
+
+sub access_cfg (@) {
+ my (@keys) = @_;
+ my $distro = access_distro();
+ my $value = cfg(map { ("dgit-distro.$distro.$_",
+ "dgit.default.$_") } @keys);
+ return $value;
+}
+
+sub access_someuserhost ($) {
+ my ($some) = @_;
+ my $user = access_cfg("$some-user",'username');
+ my $host = access_cfg("$some-host");
+ return length($user) ? "$user\@$host" : $host;
+}
+
+sub access_gituserhost () {
+ return access_someuserhost('git');
+}
+
+sub access_giturl () {
+ my $url = access_cfg('git-url','RETURN-UNDEF');
+ if (!defined $url) {
+ $url =
+ access_cfg('git-proto').
+ access_gituserhost().
+ access_cfg('git-path');
+ }
+ return "$url/$package.git";
+}
+
+sub parsecontrolfh ($$@) {
+ my ($fh, $desc, @opts) = @_;
+ my %opts = ('name' => $desc, @opts);
+ my $c = Dpkg::Control::Hash->new(%opts);
+ $c->parse($fh) or die "parsing of $desc failed";
+ return $c;
+}
+
+sub parsecontrol {
+ my ($file, $desc) = @_;
+ my $fh = new IO::Handle;
+ open $fh, '<', $file or die "$file: $!";
+ my $c = parsecontrolfh($fh,$desc);
+ $fh->error and die $!;
+ close $fh;
+ return $c;
+}
+
+sub getfield ($$) {
+ my ($dctrl,$field) = @_;
+ my $v = $dctrl->{$field};
+ return $v if defined $v;
+ fail "missing field $field in ".$v->get_option('name');
+}
+
+sub parsechangelog {
+ my $c = Dpkg::Control::Hash->new();
+ my $p = new IO::Handle;
+ my @cmd = (qw(dpkg-parsechangelog));
+ open $p, '-|', @cmd or die $!;
+ $c->parse($p);
+ $?=0; $!=0; close $p or failedcmd @cmd;
+ return $c;
+}
+
+our %rmad;
+
+sub archive_query ($) {
+ my ($method) = @_;
+ my $query = access_cfg('archive-query','RETURN-UNDEF');
+ if (!defined $query) {
+ my $distro = access_distro();
+ if ($distro eq 'debian') {
+ $query = "sshdakls:".
+ access_someuserhost('sshdakls').':'.
+ access_cfg('sshdakls-dir');
+ } else {
+ $query = "madison:$distro";
+ }
+ }
+ $query =~ s/^(\w+):// or badcfg "invalid archive-query method \`$query'";
+ my $proto = $1;
+ my $data = $'; #';
+ { no strict qw(refs); &{"${method}_${proto}"}($proto,$data); }
+}
+
+sub archive_query_madison ($$) {
+ my ($proto,$data) = @_;
+ die unless $proto eq 'madison';
+ $rmad{$package} ||= cmdoutput
+ qw(rmadison -asource),"-s$isuite","-u$data",$package;
+ my $rmad = $rmad{$package};
+ return madison_parse($rmad);
+}
+
+sub archive_query_sshdakls ($$) {
+ my ($proto,$data) = @_;
+ $data =~ s/:.*// or badcfg "invalid sshdakls method string \`$data'";
+ my $dakls = cmdoutput
+ access_cfg('ssh'), $data, qw(dak ls -asource),"-s$isuite",$package;
+ return madison_parse($dakls);
+}
+
+sub canonicalise_suite_sshdakls ($$) {
+ my ($proto,$data) = @_;
+ $data =~ m/:/ or badcfg "invalid sshdakls method string \`$data'";
+ my @cmd =
+ (access_cfg('ssh'), $`,
+ "set -e; cd $';".
+ " if test -h $isuite; then readlink $isuite; exit 0; fi;".
+ " if test -d $isuite; then echo $isuite; exit 0; fi;".
+ " exit 1");
+ my $dakls = cmdoutput @cmd;
+ failedcmd @cmd unless $dakls =~ m/^\w/;
+ return $dakls;
+}
+
+sub madison_parse ($) {
+ my ($rmad) = @_;
+ if (!length $rmad) {
+ return ();
+ }
+ $rmad =~ m{^ \s*( [^ \t|]+ )\s* \|
+ \s*( [^ \t|]+ )\s* \|
+ \s*( [^ \t|/]+ )(?:/([^ \t|/]+))? \s* \|
+ \s*( [^ \t|]+ )\s* }x or die "$rmad $?";
+ $1 eq $package or die "$rmad $package ?";
+ my $vsn = $2;
+ my $newsuite = $3;
+ my $component;
+ if (defined $4) {
+ $component = $4;
+ } else {
+ $component = access_cfg('archive-query-default-component');
+ }
+ $5 eq 'source' or die "$rmad ?";
+ my $prefix = substr($package, 0, $package =~ m/^l/ ? 4 : 1);
+ my $subpath = "/pool/$component/$prefix/$package/${package}_$vsn.dsc";
+ return ($vsn,$subpath,$newsuite);
+}
+
+sub canonicalise_suite_madison ($$) {
+ my @r = archive_query_madison($_[0],$_[1]);
+ @r or fail
+ "unable to canonicalise suite using package $package".
+ " which does not appear to exist in suite $isuite;".
+ " --existing-package may help";
+ return $r[2];
+}
+
+sub canonicalise_suite () {
+ $csuite = archive_query('canonicalise_suite');
+ if ($isuite ne $csuite) {
+ # madison canonicalises for us
+ print "canonical suite name for $isuite is $csuite\n";
+ }
+}
sub get_archive_dsc () {
- my $pdourl = "$pdo/source/$suite/$package";
- my $pdodata = url_get($pdourl);
- # FFS. The Debian archive has no sane way to find what
- # version is currently the tip in any branch (aka, what
- # is the current version in any suite).
- $pdodata =~ m{
- Download\ \Q$package\E .*
- \<a\ href=\"([^"&]+([^"/]+\.dsc))\"\>\2\</a\>
- }msx
- or die "screenscraping of $pdourl failed :-(\n";
- $dscurl = $1;
-print DEBUG Dumper($pdodata, $&, $dscurl);
+ my ($vsn,$subpath) = archive_query('archive_query');
+ canonicalise_suite();
+ if (!defined $vsn) { $dsc=undef; return undef; }
+ $dscurl = access_cfg('mirror').$subpath;
$dscdata = url_get($dscurl);
my $dscfh = new IO::File \$dscdata, '<' or die $!;
-print DEBUG Dumper($dscdata, $dscfh);
- my $dscp = Dpkg::Control::Hash->new(allow_pgp=>1);
- $dscp->parse($dscfh, 'dsc') or die "parsing of $dscurl failed\n";
-# my $dscf = $dscp->{'fields'};
-my $dscf=$dscp;
-print DEBUG Dumper($dscp,$dscf);
- my $fmt = $dscf->{Format};
- die "unsupported format $fmt, sorry\n" unless $fmt eq '1.0';
- return $dscf;
+ print DEBUG Dumper($dscdata) if $debug>1;
+ $dsc = parsecontrolfh($dscfh,$dscurl, allow_pgp=>1);
+ print DEBUG Dumper($dsc) if $debug>1;
+ my $fmt = getfield $dsc, 'Format';
+ fail "unsupported source format $fmt, sorry" unless $format_ok{$fmt};
}
sub check_for_git () {
# returns 0 or 1
- open P, "ssh $alioth_sshtestbodge->[0] '".
- "set -e; cd /git/dgit-test;".
- "if test -d $package.git; then echo 1; else echo 0; fi".
- "' |"
- or die $!;
- $!=0; $?=0;
- my $r = <P>; close P;
- die "$r $! $?" unless $r =~ m/^[01]$/;
- return !!$r;
+ my $how = access_cfg('git-check');
+ if ($how eq 'ssh-cmd') {
+ my @cmd =
+ (access_cfg('ssh'),access_gituserhost(),
+ " set -e; cd ".access_cfg('git-path').";".
+ " if test -d $package.git; then echo 1; else echo 0; fi");
+ my $r= cmdoutput @cmd;
+ failedcmd @cmd unless $r =~ m/^[01]$/;
+ return $r+0;
+ } else {
+ badcfg "unknown git-check \`$how'";
+ }
}
-sub runcmd {
- $!=0; $?=0;
- die "$! $?" if system @_;
+sub create_remote_git_repo () {
+ my $how = access_cfg('git-create');
+ if ($how eq 'ssh-cmd') {
+ runcmd_ordryrun
+ (access_cfg('ssh'),access_gituserhost(),
+ "set -e; cd ".access_cfg('git-path').";".
+ " mkdir -p $package.git;".
+ " cd $package.git;".
+ " if ! test -d objects; then git init --bare; fi");
+ } else {
+ badcfg "unknown git-create \`$how'";
+ }
}
-our ($dsc,$dsc_hash,$lastupl_hash);
+our ($dsc_hash,$upload_hash);
-sub generate_commit_from_dsc () {
- my $ud = '.git/dgit/unpack';
- remove_tree($ud);
+our $ud = '.git/dgit/unpack';
+
+sub prep_ud () {
+ rmtree($ud);
mkpath '.git/dgit';
mkdir $ud or die $!;
+}
+
+sub mktree_in_ud_from_only_subdir () {
+ # changes into the subdir
+ my (@dirs) = <*/.>;
+ die unless @dirs==1;
+ $dirs[0] =~ m#^([^/]+)/\.$# or die;
+ my $dir = $1;
+ chdir $dir or die "$dir $!";
+ die if stat '.git';
+ die $! unless $!==&ENOENT;
+ runcmd qw(git init -q);
+ rmtree('.git/objects');
+ symlink '../../../../objects','.git/objects' or die $!;
+ runcmd @git, qw(add -Af);
+ my $tree = cmdoutput @git, qw(write-tree);
+ $tree =~ m/^\w+$/ or die "$tree ?";
+ return ($tree,$dir);
+}
+
+sub dsc_files () {
+ my $field = $dsc->{'Checksums-Sha256'} || $dsc->{Files};
+ defined $field or
+ fail "missing both Checksums-Sha256 and Files in ".
+ $dsc->get_option('name');
+ map {
+ m/^\w+ \d+ (\S+)$/ or
+ fail "could not parse .dsc Files/Checksums line \`$_'";
+ $1;
+ } grep m/\S/, split /\n/, $field;
+}
+
+sub is_orig_file ($) {
+ local ($_) = @_;
+ m/\.orig(?:-\w+)?\.tar\.\w+$/;
+}
+
+sub make_commit ($) {
+ my ($file) = @_;
+ return cmdoutput @git, qw(hash-object -w -t commit), $file;
+}
+
+sub generate_commit_from_dsc () {
+ prep_ud();
chdir $ud or die $!;
my @files;
- foreach (split /\n/, ($dsch->{Checksums-Sha256} || $dsch->{Files})) {
- next unless m/\S/;
- m/^\w+ \d+ (\S+)$/ or die "$_ ?";
- my $f = $1;
- die if $f =~ m#/|^\.|\.dsc$|\.tmp$#;
+ foreach my $f (dsc_files()) {
+ die "$f ?" if $f =~ m#/|^\.|\.dsc$|\.tmp$#;
push @files, $f;
link "../../../$f", $f
or $!==&ENOENT
or die "$f $!";
}
- runcmd qw(dget --), $dscurl;
- foreach my $f (grep { m/\.tar\.gz$/ } @files) {
- link $f, "../../../$f"
+ runcmd @dget, qw(--), $dscurl;
+ foreach my $f (grep { is_orig_file($_) } @files) {
+ link $f, "../../../../$f"
or $!==&EEXIST
or die "$f $!";
}
- my (@dirs) = <*/.>;
- die unless @dirs==1;
- $dirs[0] =~ m#^([^/]+)/\.$# or die;
- my $dir = $1;
- chdir $dir or die "$dir $!";
- die if stat '.git';
- die $! unless $!==&ENOENT;
- runcmd qw(git init);
- remove_tree(.git/objects);
- symlink '../../objects','.git/objects' or die $!;
- runcmd qw(git add -Af);
- my $tree = cmdoutput qw(git write-tree);
- chomp $tree or die;
+ my ($tree,$dir) = mktree_in_ud_from_only_subdir();
runcmd qw(sh -ec), 'dpkg-parsechangelog >../changelog.tmp';
- my $clogp = Dpkg::Control::Hash->new();
- $clogp->parse('../changelog.tmp','changelog');
- my $date = cmdoutput qw(date), '+%s %z', qw(-d),$clogp->{Date};
- my $author = $clogp->{Maintainer};
+ my $clogp = parsecontrol('../changelog.tmp',"commit's changelog");
+ my $date = cmdoutput qw(date), '+%s %z', qw(-d), getfield($clogp,'Date');
+ my $author = getfield $clogp, 'Maintainer';
$author =~ s#,.*##ms;
my $authline = "$author $date";
- $authline =~ m/^[^<>]+ \<\S+\> \d+ [-+]\d+$/ or die $authline;
+ $authline =~ m/^[^<>]+ \<\S+\> \d+ [-+]\d+$/ or
+ fail "unexpected commit author line format \`$authline'".
+ " (was generated from changelog Maintainer field)";
+ my $changes = getfield $clogp, 'Changes';
open C, ">../commit.tmp" or die $!;
- print C "tree $tree\n" or die $!;
- print C "parent $lastupl_hash\n" or die $! if defined $lastupl_hash;
print C <<END or die $!;
+tree $tree
author $authline
committer $authline
-$clogp->{Changes}
-# generated by dgit
+$changes
+
+# imported from the archive
END
close C or die $!;
- my $commithash = runcmd qw(git hash-object -w -t commit ../commit.tmp);
- chdir '../../..' or die $!;
- remove_tree($ud);
- cmdoutput qw(git log -n1), $commithash;
- return $commithash;
+ my $outputhash = make_commit qw(../commit.tmp);
+ my $cversion = getfield $clogp, 'Version';
+ print "synthesised git commit from .dsc $cversion\n";
+ if ($upload_hash) {
+ runcmd @git, qw(reset --hard), $upload_hash;
+ runcmd qw(sh -ec), 'dpkg-parsechangelog >>../changelogold.tmp';
+ my $oldclogp = parsecontrol('../changelogold.tmp','previous changelog');
+ my $oversion = getfield $oldclogp, 'Version';
+ my $vcmp =
+ version_compare_string($oversion, $cversion);
+ if ($vcmp < 0) {
+ # git upload/ is earlier vsn than archive, use archive
+ open C, ">../commit2.tmp" or die $!;
+ print C <<END or die $!;
+tree $tree
+parent $upload_hash
+parent $outputhash
+author $authline
+committer $authline
+
+Record $package ($cversion) in archive suite $csuite
+END
+ $outputhash = make_commit qw(../commit2.tmp);
+ } elsif ($vcmp > 0) {
+ print STDERR <<END or die $!;
+Version actually in archive: $cversion (older)
+Last allegedly pushed/uploaded: $oversion (newer or same)
+Perhaps the upload is stuck in incoming. Using the version from git.
+END
+ $outputhash = $upload_hash;
+ } elsif ($outputhash ne $upload_hash) {
+ fail "version in archive ($cversion)".
+ " is same as version in git".
+ " to-be-uploaded (upload/) branch ($oversion)".
+ " but archive version hash no commit hash?!";
+ }
+ }
+ chdir '../../../..' or die $!;
+ runcmd @git, qw(update-ref -m),"dgit fetch import $cversion",
+ 'DGIT_ARCHIVE', $outputhash;
+ cmdoutput @git, qw(log -n2), $outputhash;
+ # ... gives git a chance to complain if our commit is malformed
+ rmtree($ud);
+ return $outputhash;
+}
+
+sub ensure_we_have_orig () {
+ foreach my $f (dsc_files()) {
+ next unless is_orig_file($f);
+ if (stat "../$f") {
+ die "$f ?" unless -f _;
+ } else {
+ die "$f $!" unless $!==&ENOENT;
+ }
+ my $origurl = $dscurl;
+ $origurl =~ s{/[^/]+$}{};
+ $origurl .= "/$f";
+ die "$f ?" unless $f =~ m/^${package}_/;
+ die "$f ?" if $f =~ m#/#;
+ runcmd_ordryrun qw(sh -ec),'cd ..; exec "$@"','x',
+ @dget,'--',$origurl;
+ }
+}
+
+sub rev_parse ($) {
+ return cmdoutput @git, qw(rev-parse), "$_[0]~0";
+}
+
+sub is_fast_fwd ($$) {
+ my ($ancestor,$child) = @_;
+ my $mb = cmdoutput @git, qw(merge-base), $ancestor, $child;
+ return rev_parse($mb) eq rev_parse($ancestor);
+}
+
+sub git_fetch_us () {
+ badusage "cannot dry run with fetch" if $dryrun;
+ runcmd @git, qw(fetch),access_giturl(),fetchspec();
}
sub fetch_from_archive () {
+ # ensures that lrref() is what is actually in the archive,
+ # one way or another
+ get_archive_dsc() or return 0;
+ $dsc_hash = $dsc->{$ourdscfield};
+ if (defined $dsc_hash) {
+ $dsc_hash =~ m/\w+/ or fail "invalid hash in .dsc \`$dsc_hash'";
+ $dsc_hash = $&;
+ print "last upload to archive specified git hash\n";
+ } else {
+ print "last upload to archive has NO git hash\n";
+ }
+
+ my $lrref_fn = ".git/".lrref();
+ if (open H, $lrref_fn) {
+ $upload_hash = <H>;
+ chomp $upload_hash;
+ die "$lrref_fn $upload_hash ?" unless $upload_hash =~ m/^\w+$/;
+ } elsif ($! == &ENOENT) {
+ $upload_hash = '';
+ } else {
+ die "$lrref_fn $!";
+ }
+ print DEBUG "previous reference hash=$upload_hash\n";
my $hash;
if (defined $dsc_hash) {
+ fail "missing git history even though dsc has hash -".
+ " could not find commit $dsc_hash".
+ " (should be in ".access_giturl()."#".rref().")"
+ unless $upload_hash;
$hash = $dsc_hash;
+ ensure_we_have_orig();
} else {
$hash = generate_commit_from_dsc();
}
- cmdoutput qw(git update-ref FETCH_HEAD) $hash;
+ print DEBUG "current hash=$hash\n";
+ if ($upload_hash) {
+ fail "not fast forward on last upload branch!".
+ " (archive's version left in DGIT_ARCHIVE)"
+ unless is_fast_fwd($upload_hash, $hash);
+ }
+ if ($upload_hash ne $hash) {
+ my @upd_cmd = (@git, qw(update-ref -m), 'dgit fetch', lrref(), $hash);
+ if (!$dryrun) {
+ cmdoutput @upd_cmd;
+ } else {
+ dryrun_report @upd_cmd;
+ }
+ }
+ return 1;
+}
+
+sub clone ($) {
+ my ($dstdir) = @_;
+ canonicalise_suite();
+ badusage "dry run makes no sense with clone" if $dryrun;
+ mkdir $dstdir or die "$dstdir $!";
+ chdir "$dstdir" or die "$dstdir $!";
+ runcmd @git, qw(init -q);
+ runcmd @git, qw(config), "remote.$remotename.fetch", fetchspec();
+ open H, "> .git/HEAD" or die $!;
+ print H "ref: ".lref()."\n" or die $!;
+ close H or die $!;
+ runcmd @git, qw(remote add), 'origin', access_giturl();
+ if (check_for_git()) {
+ print "fetching existing git history\n";
+ git_fetch_us();
+ runcmd @git, qw(fetch origin);
+ } else {
+ print "starting new git history\n";
+ }
+ fetch_from_archive() or no_such_package;
+ runcmd @git, qw(reset --hard), lrref();
+ printdone "ready for work in $dstdir";
+}
+
+sub fetch () {
+ if (check_for_git()) {
+ git_fetch_us();
+ }
+ fetch_from_archive() or no_such_package();
+ printdone "fetched into ".lrref();
}
-#sub combine () {
-# if (
-
-# runcmd qw(git write-tree
-
-
- runcmd qw(mkdir -p '');
-# chdir '.git/dgit/unpack' or die $!;
-
-
-# with_tmpdir($td,{
-
-# });
+sub pull () {
+ fetch();
+ runcmd_ordryrun @git, qw(merge -m),"Merge from $csuite [dgit]",
+ lrref();
+ printdone "fetched to ".lrref()." and merged into HEAD";
+}
-# }
+sub check_not_dirty () {
+ runcmd @git, qw(diff --quiet HEAD);
+}
-# open P, "-|", qw(git rev-parse --), $dsc_hash;
-
-#}
+sub commit_quilty_patch ($) {
+ my ($vsn) = @_;
+ my $output = cmdoutput @git, qw(status --porcelain);
+ my %fixups = map {$_=>1}
+ (".pc/debian-changes-$vsn/","debian/patches/debian-changes-$vsn");
+ my @files;
+ foreach my $l (split /\n/, $output) {
+ next unless $l =~ s/^\?\? //;
+ next unless $fixups{$l};
+ push @files, $l;
+ }
+ print DEBUG "checking for quilty\n", Dumper(\@files);
+ if (@files == 2) {
+ my $m = "Commit Debian 3.0 (quilt) metadata";
+ print "$m\n";
+ runcmd_ordryrun @git, qw(add), @files;
+ runcmd_ordryrun @git, qw(commit -m), $m;
+ }
+}
-sub clone () {
- $dsc = get_archive_dsc();
- $dsc_hash = $dsc->{'Vcs-git-master'};
- if (defined $dsc_hash) {
- $dsc_hash =~ m/\w+/ or die "$dsc_hash $?";
- $dsc_hash = $&;
+sub dopush () {
+ print DEBUG "actually entering push\n";
+ my $clogp = parsechangelog();
+ $package = getfield $clogp, 'Source';
+ my $cversion = getfield $clogp, 'Version';
+ my $dscfn = dscfn($cversion);
+ stat "../$dscfn" or
+ fail "looked for .dsc $dscfn, but $!;".
+ " maybe you forgot to build";
+ $dsc = parsecontrol("../$dscfn","$dscfn");
+ my $dscpackage = getfield $dsc, 'Source';
+ my $format = getfield $dsc, 'Format';
+ my $dversion = getfield $dsc, 'Version';
+ ($dscpackage eq $package && $dversion eq $cversion) or
+ fail "$dsc is for $dscpackage $dversion".
+ " but debian/changelog is for $package $cversion";
+ print DEBUG "format $format\n";
+ if ($format eq '3.0 (quilt)') {
+ print "Format \`$format', urgh\n";
+ commit_quilty_patch($dversion);
}
- my $dstdir = "$package";
- if (check_for_git()) {
- runcmd qw(git clone --origin dgit -b), $suite, '--',
- $alioth_git, $dstdir;
- chdir "$dstdir" or die "$dstdir $!";
- update_from_archive();
+ check_not_dirty();
+ prep_ud();
+ chdir $ud or die $!;
+ print "checking that $dscfn corresponds to HEAD\n";
+ runcmd qw(dpkg-source -x --), "../../../../$dscfn";
+ my ($tree,$dir) = mktree_in_ud_from_only_subdir();
+ chdir '../../../..' or die $!;
+ printcmd \*DEBUG,"+",@_;
+ my @diffcmd = (@git, qw(diff --exit-code), $tree);
+ $!=0; $?=0;
+ if (system @diffcmd) {
+ if ($! && $?==256) {
+ fail "$dscfn specifies a different tree to your HEAD commit;".
+ " perhaps you forgot to build";
+ } else {
+ failedcmd @diffcmd;
+ }
+ }
+#fetch from alioth
+#do fast forward check and maybe fake merge
+# if (!is_fast_fwd(mainbranch
+# runcmd @git, qw(fetch -p ), "$alioth_git/$package.git",
+# map { lref($_).":".rref($_) }
+# (uploadbranch());
+ $dsc->{$ourdscfield} = rev_parse('HEAD');
+ $dsc->save("../$dscfn.tmp") or die $!;
+ if (!$changesfile) {
+ my $multi = "../${package}_${cversion}_multi.changes";
+ if (stat "$multi") {
+ $changesfile = $multi;
+ } else {
+ $!==&ENOENT or die "$multi: $!";
+ my $pat = "${package}_${cversion}_*.changes";
+ my @cs = glob "../$pat";
+ fail "failed to find unique changes file".
+ " (looked for $pat in .., or $multi);".
+ " perhaps you need to use dgit -C"
+ unless @cs==1;
+ ($changesfile) = @cs;
+ }
+ }
+ my $tag = debiantag($dversion);
+ if (!check_for_git()) {
+ create_remote_git_repo();
+ }
+ runcmd_ordryrun @git, qw(push),access_giturl(),"HEAD:".rrref();
+ if (!$dryrun) {
+ rename "../$dscfn.tmp","../$dscfn" or die "$dscfn $!";
} else {
- mkdir $dstdir or die "$dstdir $!";
- chdir "$dstdir" or die "$dstdir $!";
- runcmd qw(git init);
- open H, "> .git/refs/HEAD" or die $!;
- print H "ref: refs/heads/$suite\n" or die $!;
- close H or die $!;
- runcmd qw(git remote add dgit), $alioth_git;
- runcmd "git config branch.$suite.remote dgit";
- runcmd "git config branch.$suite.merge refs/heads/$suite";
- update_from_archive();
+ print "[new .dsc left in $dscfn.tmp]\n";
+ }
+ if ($sign) {
+ my @tag_cmd = (@git, qw(tag -s -m),
+ "Release $dversion for $csuite [dgit]");
+ push @tag_cmd, qw(-u),$keyid if defined $keyid;
+ push @tag_cmd, $tag;
+ runcmd_ordryrun @tag_cmd;
+ my @debsign_cmd = @debsign;
+ push @debsign_cmd, "-k$keyid" if defined $keyid;
+ push @debsign_cmd, $changesfile;
+ runcmd_ordryrun @debsign_cmd;
}
+ runcmd_ordryrun @git, qw(push),access_giturl(),"refs/tags/$tag";
+ my $host = access_cfg('upload-host','RETURN-UNDEF');
+ my @hostarg = defined($host) ? ($host,) : ();
+ runcmd_ordryrun @dput, @hostarg, $changesfile;
+ printdone "pushed and uploaded $dversion";
}
-sub fetch () {
- my ($archive_or_mirror, $suite, $package) = @_;
- my $dsc = get_archive_dsc();
+sub cmd_clone {
+ parseopts();
+ my $dstdir;
+ badusage "-p is not allowed with clone; specify as argument instead"
+ if defined $package;
+ if (@ARGV==1) {
+ ($package) = @ARGV;
+ } elsif (@ARGV==2 && $ARGV[1] =~ m#^\w#) {
+ ($package,$isuite) = @ARGV;
+ } elsif (@ARGV==2 && $ARGV[1] =~ m#^[./]#) {
+ ($package,$dstdir) = @ARGV;
+ } elsif (@ARGV==3) {
+ ($package,$isuite,$dstdir) = @ARGV;
+ } else {
+ badusage "incorrect arguments to dgit clone";
+ }
+ $dstdir ||= "$package";
+ clone($dstdir);
+}
+
+sub branchsuite () {
+ my $branch = cmdoutput_errok @git, qw(symbolic-ref HEAD);
+ if ($branch =~ m#$lbranch_re#o) {
+ return $1;
+ } else {
+ return undef;
+ }
+}
+
+sub fetchpullargs () {
+ if (!defined $package) {
+ my $sourcep = parsecontrol('debian/control','debian/control');
+ $package = getfield $sourcep, 'Source';
+ }
+ if (@ARGV==0) {
+# $isuite = branchsuite(); # this doesn't work because dak hates canons
+ if (!$isuite) {
+ my $clogp = parsechangelog();
+ $isuite = getfield $clogp, 'Distribution';
+ }
+ canonicalise_suite();
+ print "fetching from suite $csuite\n";
+ } elsif (@ARGV==1) {
+ ($isuite) = @ARGV;
+ canonicalise_suite();
+ } else {
+ badusage "incorrect arguments to dgit fetch or dgit pull";
+ }
+}
+
+sub cmd_fetch {
+ parseopts();
+ fetchpullargs();
+ fetch();
+}
+
+sub cmd_pull {
+ parseopts();
+ fetchpullargs();
+ pull();
+}
+
+sub cmd_push {
+ parseopts();
+ badusage "-p is not allowed with dgit push" if defined $package;
+ runcmd @git, qw(diff --quiet HEAD);
+ my $clogp = parsechangelog();
+ $package = getfield $clogp, 'Source';
+ if (@ARGV==0) {
+ $isuite = getfield $clogp, 'Distribution';
+ if ($new_package) {
+ local ($package) = $existing_package; # this is a hack
+ canonicalise_suite();
+ }
+ } else {
+ badusage "incorrect arguments to dgit push";
+ }
+ if (fetch_from_archive()) {
+ is_fast_fwd(lrref(), 'HEAD') or die;
+ } else {
+ fail "package appears to be new in this suite;".
+ " if this is intentional, use --new";
+ }
+ dopush();
+}
+
+sub cmd_build {
+ # we pass further options and args to git-buildpackage
+ badusage "-p is not allowed with dgit build" if defined $package;
+ my $clogp = parsechangelog();
+ $isuite = getfield $clogp, 'Distribution';
+ $package = getfield $clogp, 'Source';
+ my @cmd =
+ (qw(git-buildpackage -us -uc --git-no-sign-tags),
+ "--git-builder=@dpkgbuildpackage");
+ unless (grep { m/^--git-debian-branch/ } @ARGV) {
+ canonicalise_suite();
+ push @cmd, "--git-debian-branch=".lbranch();
+ }
+ runcmd_ordryrun @cmd, @ARGV;
+ printdone "build successful\n";
+}
+
+sub cmd_sbuild {
+ check_not_dirty();
+ badusage "-p is not allowed with dgit sbuild" if defined $package;
+ my $clogp = parsechangelog();
+ $package = getfield $clogp, 'Source';
+ my $isuite = getfield $clogp, 'Distribution';
+ my $version = getfield $clogp, 'Version';
+ runcmd_ordryrun (@dpkgbuildpackage, qw(-us -uc -S));
+ chdir ".." or die $!;
+ my $sourcechanges = "${package}_${version}_source.changes";
+ my $dscfn = dscfn($version);
+ my $pat = "${package}_${version}_*.changes";
+ if (!$dryrun) {
+ stat $dscfn or fail "$dscfn (in parent directory): $!";
+ stat $sourcechanges or fail "$sourcechanges (in parent directory): $!";
+ foreach my $cf (glob $pat) {
+ next if $cf eq $sourcechanges;
+ unlink $cf or fail "remove $cf: $!";
+ }
+ }
+ runcmd_ordryrun @sbuild, @ARGV, qw(-d), $isuite, $dscfn;
+ runcmd_ordryrun @mergechanges, glob $pat;
+ my $multichanges = "${package}_${version}_multi.changes";
+ if (!$dryrun) {
+ stat $multichanges or fail "$multichanges: $!";
+ }
+ printdone "build successful, results in $multichanges\n" or die $!;
+}
+
+sub cmd_quilt_fixup {
+ badusage "incorrect arguments to dgit quilt-fixup";
+ my $clogp = parsechangelog();
+ commit_quilty_patch((getfield $clogp, 'Version'));
+}
+
+sub parseopts () {
+ my $om;
+ while (@ARGV) {
+ last unless $ARGV[0] =~ m/^-/;
+ $_ = shift @ARGV;
+ last if m/^--?$/;
+ if (m/^--/) {
+ if (m/^--dry-run$/) {
+ $dryrun=1;
+ } elsif (m/^--no-sign$/) {
+ $sign=0;
+ } elsif (m/^--help$/) {
+ helponly();
+ } elsif (m/^--new$/) {
+ $new_package=1;
+ } elsif (m/^--(\w+)=(.*)/s && ($om = $opts_opt_map{$1})) {
+ $om->[0] = $2;
+ } elsif (m/^--(\w+):(.*)/s && ($om = $opts_opt_map{$1})) {
+ push @$om, $2;
+ } elsif (m/^--existing-package=(.*)/s) {
+ $existing_package = $1;
+ } else {
+ badusage "unknown long option \`$_'";
+ }
+ } else {
+ while (m/^-./s) {
+ if (s/^-n/-/) {
+ $dryrun=1;
+ } elsif (s/^-h/-/) {
+ helponly();
+ } elsif (s/^-D/-/) {
+ open DEBUG, ">&STDERR" or die $!;
+ $debug++;
+ } elsif (s/^-N/-/) {
+ $new_package=1;
+ } elsif (s/^-c(.*=.*)//s) {
+ push @git, '-c', $1;
+ } elsif (s/^-C(.*)//s) {
+ $changesfile = $1;
+ } elsif (s/^-k(.*)//s) {
+ $keyid=$1;
+ } else {
+ badusage "unknown short option \`$_'";
+ }
+ }
+ }
+ }
+}
+
+parseopts();
+print STDERR "DRY RUN ONLY\n" if $dryrun;
+if (!@ARGV) {
+ print STDERR $helpmsg or die $!;
+ exit 8;
}
-
-print Dumper(get_archive_dsc());
+my $cmd = shift @ARGV;
+$cmd =~ y/-/_/;
+{ no strict qw(refs); &{"cmd_$cmd"}(); }
~ianmdlvl / dgit.git / blobdiff