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-rw-r--r--perl-install/do_pkgs.pm2
1 files changed, 2 insertions, 0 deletions
diff --git a/perl-install/do_pkgs.pm b/perl-install/do_pkgs.pm
index c98019062..4d1464bc2 100644
--- a/perl-install/do_pkgs.pm
+++ b/perl-install/do_pkgs.pm
@@ -237,6 +237,8 @@ sub is_installed {
sub are_installed {
my ($_do, @l) = @_;
+ @l or return;
+
my @l2;
run_program::run('/bin/rpm', '>', \@l2, '-q', '--qf', "%{name}\n", @l); #- do not care about the return value
intersection(\@l, [ chomp_(@l2) ]); #- can not return directly @l2 since it contains things like "package xxx is not installed"