X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=infra%2Fdgit-ssh-dispatch;h=c5861d2d8b4223ca764e24f78df6223714ef7b47;hp=88311ee37bf6cac0df28c0ab8a3fb1bdd424d2ca;hb=ba2b523e4ff3969a9c5f9f3766ae4fe157529071;hpb=26ce53b790d76b41fe893d279e9ceb37bb81a3fe

diff --git a/infra/dgit-ssh-dispatch b/infra/dgit-ssh-dispatch
index 88311ee3..c5861d2d 100755
--- a/infra/dgit-ssh-dispatch
+++ b/infra/dgit-ssh-dispatch
@@ -1,6 +1,27 @@
 #!/usr/bin/perl -w
+# wrapper to dispatch git ssh service requests
+#
+# Copyright (C) 2015-2016  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 Debian::Dgit::Infra; # must precede Debian::Dgit; - can change @INC!
+use Debian::Dgit;
+setup_sigwarn();
+
 use POSIX;
 
 open DEBUG, '>/dev/null' or die $!;
@@ -16,22 +37,24 @@ $authrune //= join ':',
     '@/keyrings/debian-keyring.gpg,a',
     '@/keyrings/debian-maintainers.gpg,m@/dm.txt';
 
-our $lre = '[0-9a-z][-+.0-9a-z]*';
+our $lre = $package_re;
 our $qre = '["'."']?";
 
-# $dispatchdir should contain
-#    dgit-live   a clone of dgit
-#    repos/
-#    suites
+# $dispatchdir/distro=DISTRO should contain
+#    dgit-live          a clone of dgit (only if not using installed vsns)
 #    diverts
+#    repos/             }  by virtue of
+#    suites             }    dgit-repos-server's defaults relating to
+#    policy-hook        }    dispatch-dir
 # plus files required by the authrune (by default, keyrings/ and dm.txt)
 #
 # diverts should be list of
 #  <pat> [<divert-to>]
 # where <pat> is a package name pattern which may contain * or literals.
+# <divert-to> is for `git config dgit-distro.DISTRO.diverts.<divert-to>'
 
-our ($distro,$pkg);
-our ($dgitlive,$repos,$suites,$diverts,$repo);
+our ($distro,$pkg, $d);
+our ($dgitlive,$repos,$suites,$diverts,$policyhook,$repo);
 
 sub checkdivert ($) {
     my ($df) = @_;
@@ -70,7 +93,7 @@ sub selectpackage ($$;$) {
     my $divertfn;
     ($distro,$pkg, $divertfn) = @_; # $distro,$pkg must have sane syntax
 
-    my $d = "$dispatchdir/distro=$distro";
+    $d = "$dispatchdir/distro=$distro";
 
     if (!stat $d) {
 	die $! unless $!==ENOENT;
@@ -80,6 +103,7 @@ sub selectpackage ($$;$) {
     $dgitlive=    "$d/dgit-live";
     $repos=       "$d/repos";
     $suites=      "$d/suites";
+    $policyhook=  "$d/policy-hook";
 
     $authrune =~ s/\@/$d/g;
 
@@ -107,29 +131,48 @@ sub hasrepo () {
     }
 }
 
+sub serve_up ($) {
+    my ($repo) = @_;
+    exec qw(git upload-pack --strict --timeout=1000), $repo;
+    die "exec git: $!";
+}
+
 sub dispatch () {
-    local ($_) = $ENV{'SSH_ORIGINAL_COMMAND'};
+    local ($_) = $ENV{'SSH_ORIGINAL_COMMAND'} // '';
 
     if (m#^: dgit ($lre) git-check ($lre) ;#) {
 	selectpackage $1,$2, sub { prl "divert @_"; finish; };
 	prl hasrepo;
 	finish;
     } elsif (
-        m#^${qre}git-([-a-z]+) ${qre}/dgit/($lre)/repos/($lre)\.git${qre}$#
-    ) {
+	m#^${qre}git-([-a-z]+) ${qre}/dgit/($lre)/repos/($lre)\.git${qre}$#
+	) {
 	my $cmd=$1;
 	selectpackage $2,$3;
 	if ($cmd eq 'receive-pack') {
+	    $ENV{'PERLLIB'} //= '';
+	    $ENV{'PERLLIB'} =~ s#^(?=.)#:#;
+	    $ENV{'PERLLIB'} =~ s#^# $ENV{DGIT_TEST_INTREE} // $dgitlive #e;
 	    my $s = "$dgitlive/infra/dgit-repos-server";
-	    exec $s, $distro, $suites, $authrune, $repos, qw(--ssh);
+	    $s = "dgit-repos-server" if !stat_exists $s;
+	    exec $s, $distro, $d, $authrune, qw(--ssh);
 	    die "exec $s: $!";
 	} elsif ($cmd eq 'upload-pack') {
 	    $repo='$repos/_empty' unless hasrepo;
-	    exec qw(git upload-pack --strict --timeout=1000), $repo;
-	    die "exec git: $!";
+	    serve_up $repo;
 	} else {
 	    die "unsupported git operation $cmd ($_)";
 	}
+    } elsif (
+ m#^${qre}git-upload-pack ${qre}/dgit/($lre)/(?:repos/)?_dgit-repos-server\.git${qre}$#
+	) {
+	my $distro= $1;
+	# if running installed packages, source code should come
+	# some other way
+	serve_up("$dispatchdir/distro=$1/dgit-live/.git");
+    } elsif (m#^${qre}git-upload-pack\s#) {
+	die "unknown repo to serve ($_).  use dgit, or for server source ".
+	    "git clone here:/dgit/DISTRO/repos/_dgit-repos-server.git";
     } else {
 	die "unsupported operation ($_)";
     }