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-rw-r--r--perl-install/bootloader.pm18
1 files changed, 14 insertions, 4 deletions
diff --git a/perl-install/bootloader.pm b/perl-install/bootloader.pm
index 22df2c805..56cb73d9a 100644
--- a/perl-install/bootloader.pm
+++ b/perl-install/bootloader.pm
@@ -500,11 +500,21 @@ sub set_append {
modify_append($b, sub {
my ($simple, $dict) = @_;
if ($has_val) {
- @$dict = grep { $_->[0] ne $key || $key eq 'mem' && append__mem_is_memsize($_->[1]) != append__mem_is_memsize($val) } @$dict;
- push @$dict, [ $key, $val ] if !($val eq '' || $key eq 'mem' && !$val);
+ my $to_add = $key eq 'mem' ? $val : $val ne '';
+ @$dict = map {
+ if ($_->[0] ne $key || $key eq 'mem' && append__mem_is_memsize($_->[1]) != append__mem_is_memsize($val)) {
+ $_;
+ } elsif ($to_add) {
+ $to_add = 0;
+ [ $key, $val ];
+ } else {
+ ();
+ }
+ } @$dict;
+
+ push @$dict, [ $key, $val ] if $to_add;
} else {
- @$simple = grep { $_ ne $key } @$simple;
- push @$simple, $key;
+ @$simple = uniq(@$simple, $key);
}
});
}