X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=dgit;h=3c56a3ae7f9208fead16400190de5faf6f3beafc;hb=deb9a5e8b7be737f0ba41aebfbd3602b539ba947;hp=5c0ea82facc28e39a92a59542af46574f7133942;hpb=c2a0ff7beedc33a80fa2e1eb4d09d7da170b0eb7;p=dgit.git

diff --git a/dgit b/dgit
index 5c0ea82f..3c56a3ae 100755
--- a/dgit
+++ b/dgit
@@ -332,7 +332,7 @@ sub printcmd {
 }
 
 sub failedcmd {
-    { local ($!); printcmd \*STDERR, "$_[0]: failed command:", @_ or die $!; };
+    { local ($!); printcmd \*STDERR, "$us: failed command:", @_ or die $!; };
     if ($!) {
 	fail "failed to fork/exec: $!";
     } elsif (!($? & 0xff)) {
@@ -457,6 +457,8 @@ our %defcfg = ('dgit.default.distro' => 'debian',
 	       'dgit-distro.debian.sshpsql-dbname' => 'service=projectb',
 	       'dgit-distro.debian.upload-host' => 'ftp-master', # for dput
 	       'dgit-distro.debian.mirror' => 'http://ftp.debian.org/debian/',
+ 'dgit-distro.debian.backports-quirk' => '%-backports*',
+ 'dgit-distro.debian-backports.mirror' => 'http://backports.debian.org/debian-backports/',
 	       'dgit-distro.test-dummy.ssh' => "$td/ssh",
 	       'dgit-distro.test-dummy.username' => "alice",
 	       'dgit-distro.test-dummy.git-check' => "ssh-cmd",
@@ -489,16 +491,41 @@ sub cfg {
     badcfg "need value for one of: @_";
 }
 
-sub access_distro () {
+sub access_basedistro () {
     return cfg("dgit-suite.$isuite.distro",
 	       "dgit.default.distro");
 }
 
+sub access_quirk () {
+    # returns (quirk name, distro to use instead, quirk-specific info)
+    my $basedistro = access_basedistro();
+    my $backports_quirk = cfg("dgit-distro.$basedistro.backports-quirk",
+			      'RETURN-UNDEF');
+    if (defined $backports_quirk) {
+	my $re = $backports_quirk;
+	$re =~ s/[^-0-9a-z_\%*]/\\$&/ig;
+	$re =~ s/\*/.*/g;
+	$re =~ s/\%/([-0-9a-z_]+)/ or badcfg "backports-quirk needs \%";
+	if ($isuite =~ m/^$re$/) {
+	    return ('backports',"$basedistro-backports",$1);
+	}
+    }
+    return ('none',$basedistro);
+}
+
+sub access_distro () {
+    return (access_quirk())[1];
+}
+
 sub access_cfg (@) {
     my (@keys) = @_;
+    my $basedistro = access_basedistro();
     my $distro = $idistro || access_distro();
-    my $value = cfg(map { ("dgit-distro.$distro.$_",
-			   "dgit.default.$_") } @keys);
+    my $value = cfg(map {
+	("dgit-distro.$distro.$_",
+	 "dgit-distro.$basedistro.$_",
+	 "dgit.default.$_")
+		    } @keys);
     return $value;
 }
 
@@ -600,7 +627,7 @@ sub archive_query ($) {
     my ($method) = @_;
     my $query = access_cfg('archive-query','RETURN-UNDEF');
     if (!defined $query) {
-	my $distro = access_distro();
+	my $distro = access_basedistro();
 	if ($distro eq 'debian') {
 	    $query = "sshpsql:".
 		access_someuserhost('sshpsql').':'.
@@ -810,6 +837,8 @@ sub check_for_git () {
 	my $r= cmdoutput @cmd;
 	failedcmd @cmd unless $r =~ m/^[01]$/;
 	return $r+0;
+    } elsif ($how eq 'true') {
+	return 1;
     } else {
 	badcfg "unknown git-check \`$how'";
     }
@@ -822,6 +851,8 @@ sub create_remote_git_repo () {
 	    (access_cfg_ssh, access_gituserhost(),
 	     "set -e; cd ".access_cfg('git-path').";".
 	     " cp -a _template $package.git");
+    } elsif ($how eq 'true') {
+	# nothing to do
     } else {
 	badcfg "unknown git-create \`$how'";
     }
@@ -1830,6 +1861,13 @@ sub changesopts () {
     my @opts =@changesopts[1..$#changesopts];
     if (!defined $changes_since_version) {
 	my @vsns = archive_query('archive_query');
+	my @quirk = access_quirk();
+	if ($quirk[0] eq 'backports') {
+	    local $isuite = $quirk[2];
+	    local $csuite;
+	    canonicalise_suite();
+	    push @vsns, archive_query('archive_query');
+	}
 	if (@vsns) {
 	    @vsns = map { $_->[0] } @vsns;
 	    @vsns = sort { -version_compare_string($a, $b) } @vsns;