From 6fbc3cbea8cb4180d0f14f7988c969b0c20cfc8a Mon Sep 17 00:00:00 2001
From: Rafael Garcia-Suarez <rgarciasuarez@mandriva.org>
Date: Thu, 2 Jun 2005 07:24:30 +0000
Subject: Add support for deltarpms

---
 urpm.pm     | 13 ++++++++++++-
 urpm/sys.pm |  4 +++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/urpm.pm b/urpm.pm
index b112d8c2..68165464 100644
--- a/urpm.pm
+++ b/urpm.pm
@@ -2928,6 +2928,7 @@ sub install {
     }
 
     my ($update, @l) = 0;
+    my @produced_deltas;
 
     foreach (@$remove) {
 	if ($trans->remove($_)) {
@@ -2940,8 +2941,17 @@ sub install {
 	foreach (keys %$mode) {
 	    my $pkg = $urpm->{depslist}[$_];
 	    $pkg->update_header($mode->{$_});
+	    if ($pkg->payload_format eq 'drpm') { #- handle deltarpms
+		my $true_rpm = urpm::sys::apply_delta_rpm($mode->{$_}, "$urpm->{cachedir}/rpms", $pkg);
+		if ($true_rpm) {
+		    push @produced_deltas, ($mode->{$_} = $true_rpm); #- fix path
+		} else {
+		    $urpm->{error}(N("unable to extract rpm from delta-rpm package %s", $mode->{$_}));
+		}
+	    }
 	    if ($trans->add($pkg, update => $update,
-			    $options{excludepath} ? (excludepath => [ split ',', $options{excludepath} ]) : ())) {
+		    $options{excludepath} ? (excludepath => [ split /,/, $options{excludepath} ]) : ()
+	    )) {
 		$urpm->{log}(N("adding package %s (id=%d, eid=%d, update=%d, file=%s)", scalar($pkg->fullname),
 			       $_, $pkg->id, $update, $mode->{$_}));
 	    } else {
@@ -2993,6 +3003,7 @@ sub install {
 	    }
 	}
     }
+    unlink @produced_deltas;
 
     #- now exit or return according to current status.
     if (defined $pid && !$pid) { #- child process
diff --git a/urpm/sys.pm b/urpm/sys.pm
index c8d65313..3c53f62b 100644
--- a/urpm/sys.pm
+++ b/urpm/sys.pm
@@ -130,10 +130,11 @@ sub check_fs_writable () {
 #- returns the new rpm filename in case of success
 #- params :
 #-	$deltarpm : full pathname of the deltarpm
+#-	$dir : directory where to put the produced rpm (optional)
 #-	$pkg : URPM::Package object corresponding to the deltarpm (optional)
 our $APPLYDELTARPM = '/usr/bin/applydeltarpm';
 sub apply_delta_rpm {
-    my ($deltarpm, $pkg) = @_;
+    my ($deltarpm, $dir, $pkg) = @_;
     -x $APPLYDELTARPM or return 0;
     -e $deltarpm or return 0;
     my $rpm;
@@ -143,6 +144,7 @@ sub apply_delta_rpm {
 	$rpm = qx(rpm -qp --qf '%{name}-%{version}-%{release}.%{arch}.rpm' '$deltarpm');
     }
     $rpm or return 0;
+    $rpm = $dir . '/' . $rpm;
     unlink $rpm;
     system($APPLYDELTARPM, '-vp', $deltarpm, $rpm);
     -e $rpm ? $rpm : '';
-- 
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