prevent creating empty transactions in rare cases

(that cause rpm to abort on assert while creating a new pool)

2 files changed, 3 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index 8d1a548..a48ae56 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,7 @@
 - rpm-4.11 fixes:
   o fix compiling with it
+  o prevent creating empty transactions in rare cases
+    (that cause rpm to abort on assert while creating a new pool)
 
 Version 4.21.1 - 7 December 2012
 
diff --git a/URPM/Resolve.pm b/URPM/Resolve.pm
index a7496de..b0df240 100644
--- a/URPM/Resolve.pm
+++ b/URPM/Resolve.pm
@@ -2010,7 +2010,7 @@ sub build_transaction_set {
 
     if ($state->{orphans_to_remove}) {
 	my @l = map { scalar $_->fullname } @{$state->{orphans_to_remove}};
-	push @{$state->{transaction}}, { remove  => \@l };
+	push @{$state->{transaction}}, { remove  => \@l } if @l;
     }
 
     $state->{transaction};