X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=dgit;h=381b7311946f2e7cf6dac556f3bbed1e026c6684;hp=a47db911e6a31e2d72a29baf7ea07356084db285;hb=e8b6fa044b8df746e84aa034a44d7c96156cc546;hpb=20130eef1751401dbdf64149806b73a4a0b88764 diff --git a/dgit b/dgit index a47db911..381b7311 100755 --- a/dgit +++ b/dgit @@ -27,12 +27,14 @@ use File::Path; use File::Basename; use Dpkg::Version; use POSIX; +use IPC::Open2; our $our_version = 'UNRELEASED'; ###substituted### our $isuite = 'unstable'; our $idistro; our $package; +our @ropts; our $sign = 1; our $dryrun = 0; @@ -52,6 +54,8 @@ our (@dput) = qw(dput); our (@debsign) = qw(debsign); our (@gpg) = qw(gpg); our (@sbuild) = qw(sbuild -A); +our (@ssh) = qw(ssh); +our (@dgit) = qw(dgit); our (@dpkgbuildpackage) = qw(dpkg-buildpackage -i\.git/ -I.git); our (@dpkgsource) = qw(dpkg-source -i\.git/ -I.git); our (@dpkggenchanges) = qw(dpkg-genchanges); @@ -63,6 +67,8 @@ our %opts_opt_map = ('dget' => \@dget, 'debsign' => \@debsign, 'gpg' => \@gpg, 'sbuild' => \@sbuild, + 'ssh' => \@ssh, + 'dgit' => \@dgit, 'dpkg-source' => \@dpkgsource, 'dpkg-buildpackage' => \@dpkgbuildpackage, 'dpkg-genchanges' => \@dpkggenchanges, @@ -119,31 +125,132 @@ sub fetchspec () { return "+".rrref().":".lrref(); } -our $ua; +#---------- remote protocol support, common ---------- -sub progress { - print @_, "\n"; +# remote push initiator/responder protocol: +# < dgit-remote-push-ready [optional extra info ignored by old initiators] +# +# > file begin parsed-changelog +# [indicates that output of dpkg-parsechangelog follows] +# > data-block NBYTES +# > [NBYTES bytes of data (no newline)] +# [maybe some more blocks] +# > data-end +# +# > file begin dsc +# [etc] +# +# > file begin changes +# [etc] +# +# > want signed-tag +# [indicates that signed tag is wanted] +# < data-block NBYTES +# < [NBYTES bytes of data (no newline)] +# [maybe some more blocks] +# < data-end +# < files-end +# +# > want signed-changes-dsc +# < data-block NBYTES [transfer of signed changes] +# [etc] +# < data-block NBYTES [transfer of signed dsc] +# [etc] +# < files-end +# +# > complete + +sub badproto ($$) { + my ($fh, $m) = @_; + fail "connection lost: $!" if $fh->error; + fail "connection terminated" if $fh->eof; + fail "protocol violation; $m not expected"; } +sub protocol_expect ($&) { + my ($fh, $match) = @_; + local $_; + $_ = <$fh>; + defined && chomp or badproto $fh, "eof"; + return if &$match; + badproto $fh, "\`$_'"; +} + +sub protocol_send_file ($$) { + my ($fh, $ourfn) = @_; + open PF, "<", $ourfn or die "$ourfn: $!"; + for (;;) { + my $d; + my $got = read PF, $d, 65536; + die "$ourfn: $!" unless defined $got; + last if $got; + print $fh "data-block ".length($d)."\n" or die $!; + print $d or die $!; + } + print $fh "data-end\n" or die $!; + close PF; +} + +sub protocol_receive_file ($$) { + my ($fh, $ourfn) = @_; + open PF, ">", $ourfn or die "$ourfn: $!"; + for (;;) { + protocol_expect \*STDIN, { m/^data-block (\d{1,6})$|data-end$/ }; + length $1 or last; + my $d; + my $got = read $fh, $d, $1; + $got==$1 or badproto $fh, "eof during data block"; + print PF $d or die $!; + } +} + +#---------- remote protocol support, responder ---------- + +sub responder_send_command ($) { + my ($command) = @_; + return unless $we_are_responder; + # called even without $we_are_responder + print DEBUG "<< $command\n"; + print $command, "\n" or die $!; +} + sub responder_send_file ($$) { my ($keyword, $ourfn) = @_; return unless $we_are_responder; - die "responder send file $keyword $ourfn\n"; + responder_send_command "file begin $cmdprefix"; + protocol_send_file \*STDOUT, $ourfn; } sub responder_receive_files ($@) { my ($keyword, @ourfns) = @_; die unless $we_are_responder; - die 'nyi'; + responder_send_command "want $keyword"; + foreach my $fn (@ourfns) { + protocol_receive_file \*STDIN, $fn; + } + protocol_expect \*STDIN, { m/^files-end$/ }; } -sub responder_send_command ($) { - my ($command) = @_; - return unless $we_are_responder; - # called even without $we_are_responder - print DEBUG "responder command $command\n"; - die; -} +#---------- remote protocol support, initiator ---------- + +sub initiator_expect (&) { + my ($match) = @_; + protocol_expect \*RO, &$match; +} + +#---------- end remote code ---------- + +sub progress { + if ($we_are_responder) { + my $m = join '', @_; + responder_send_command "progress ".length($m) or die $!; + print $m or die $!; + } else { + print @_, "\n"; + } +} + +our $ua; sub url_get { if (!$ua) { @@ -160,19 +267,25 @@ sub url_get { our ($dscdata,$dscurl,$dsc,$skew_warning_vsn); -sub printcmd { - my $fh = shift @_; - my $intro = shift @_; - print $fh $intro or die $!; +sub shellquote { + my @out; local $_; foreach my $a (@_) { $_ = $a; if (s{['\\]}{\\$&}g || m{\s} || m{[^-_./0-9a-z]}i) { - print $fh " '$_'" or die $!; + push @out, "'$_'"; } else { - print $fh " $_" or die $!; + push @out, $_; } } + return join '', @out; +} + +sub printcmd { + my $fh = shift @_; + my $intro = shift @_; + print $fh $intro or die $!; + print $fh shellquote @_ or die $!; print $fh "\n" or die $!; } @@ -264,6 +377,11 @@ sub badusage { exit 8; } +sub nextarg { + @ARGV or badusage "too few arguments"; + return scalar shift @ARGV; +} + sub cmd_help () { print $helpmsg or die $!; exit 0; @@ -1220,6 +1338,50 @@ sub cmd_push { dopush(); } +#---------- remote commands' implementation ---------- + +sub cmd_remote_push_responder { + my ($nrargs) = shift @ARGV; + my (@rargs) = @ARGV[0..$nrargs-1]; + @ARGV = @ARGV[$nrargs..$#ARGV]; + die unless @rargs; + my ($dir) = @rargs; + chdir $dir or die "$dir: $!"; + $we_are_remote = 1; + $|=1; + responder_send_command("dgit-remote-push-ready"); + &cmd_push; +} + +sub cmd_rpush { + my $host = nextarg; + my $dir; + if ($host =~ m/^((?:[^][]|\[[^][]*\])*)\:/) { + $host = $1; + $dir = $'; #'; + } else { + $dir = nextarg; + } + $dir =~ s{^-}{./-}; + my @rargs = ($dir); + my @rdgit; + push @rdgit, @dgit + push @rdgit, @ropts; + push @rdgit, (scalar @rargs), @rargs; + push @rdgit, @ARGV; + my @cmd = (@ssh, $host, shellquote @rdgit); + my $pid = open2(\*RO, \*RI, @cmd); + initiator_expect { m/^dgit-remote-push-ready/ }; + for (;;) { + initiator_expect { m/^(\S+)\s+(.*)$/ }; + my ($icmd,$iargs) = ($1, $2); + $icmd =~ s/\-/_/g; + { no strict qw(refs); &{"i_resp_$icmd"}($iargs); } + } +} + +#---------- building etc. ---------- + our $version; our $sourcechanges; our $dscfn; @@ -1388,6 +1550,8 @@ sub cmd_quilt_fixup { build_maybe_quilt_fixup(); } +#---------- argument parsing and main program ---------- + sub cmd_version { print "dgit version $our_version\n" or die $!; exit 0; @@ -1401,33 +1565,43 @@ sub parseopts () { last if m/^--?$/; if (m/^--/) { if (m/^--dry-run$/) { + push @ropts, $_; $dryrun=1; } elsif (m/^--no-sign$/) { + push @ropts, $_; $sign=0; } elsif (m/^--help$/) { cmd_help(); } elsif (m/^--version$/) { cmd_version(); } elsif (m/^--new$/) { + push @ropts, $_; $new_package=1; } elsif (m/^--(\w+)=(.*)/s && ($om = $opts_opt_map{$1}) && length $om->[0]) { + push @ropts, $_; $om->[0] = $2; } elsif (m/^--(\w+):(.*)/s && ($om = $opts_opt_map{$1})) { + push @ropts, $_; push @$om, $2; } elsif (m/^--existing-package=(.*)/s) { + push @ropts, $_; $existing_package = $1; } elsif (m/^--distro=(.*)/s) { + push @ropts, $_; $idistro = $1; } elsif (m/^--clean=(dpkg-source|git|none)$/s) { + push @ropts, $_; $cleanmode = $1; } elsif (m/^--clean=(.*)$/s) { badusage "unknown cleaning mode \`$1'"; } elsif (m/^--ignore-dirty$/s) { + push @ropts, $_; $ignoredirty = 1; } elsif (m/^--no-quilt-fixup$/s) { + push @ropts, $_; $noquilt = 1; } else { badusage "unknown long option \`$_'"; @@ -1435,30 +1609,40 @@ sub parseopts () { } else { while (m/^-./s) { if (s/^-n/-/) { + push @ropts, $_; $dryrun=1; } elsif (s/^-h/-/) { cmd_help(); } elsif (s/^-D/-/) { + push @ropts, $_; open DEBUG, ">&STDERR" or die $!; $debug++; } elsif (s/^-N/-/) { + push @ropts, $_; $new_package=1; } elsif (m/^-[vm]/) { + push @ropts, $_; push @changesopts, $_; $_ = ''; } elsif (s/^-c(.*=.*)//s) { + push @ropts, $_; push @git, '-c', $1; } elsif (s/^-d(.*)//s) { + push @ropts, $_; $idistro = $1; } elsif (s/^-C(.*)//s) { + push @ropts, $_; $changesfile = $1; } elsif (s/^-k(.*)//s) { $keyid=$1; } elsif (s/^-wn//s) { + push @ropts, $_; $cleanmode = 'none'; } elsif (s/^-wg//s) { + push @ropts, $_; $cleanmode = 'git'; } elsif (s/^-wd//s) { + push @ropts, $_; $cleanmode = 'dpkg-source'; } else { badusage "unknown short option \`$_'";