@@ -, +, @@ --- Koha/Cache.pm | 2 ++ t/Cache.t | 8 +++++++- 2 files changed, 9 insertions(+), 1 deletion(-) --- a/Koha/Cache.pm +++ a/Koha/Cache.pm @@ -335,6 +335,8 @@ sub get_from_cache { # Otherwise the L1 cache won't ever be populated $L1_cache{$key} = $value; + $value = clone $value if ref $L1_cache{$key} and not $unsafe; + return $value; } --- a/t/Cache.t +++ a/t/Cache.t @@ -17,7 +17,7 @@ use Modern::Perl; -use Test::More tests => 37; +use Test::More tests => 38; my $destructorcount = 0; @@ -181,6 +181,12 @@ SKIP: { $item_from_cache = $cache->get_from_cache('test_deep_copy_array'); @$item_from_cache = qw( another array ref ); is_deeply( $cache->get_from_cache('test_deep_copy_array'), [ qw ( an array ref ) ], 'An array will be deep copied'); + + $cache->flush_L1_cache(); + $item_from_cache = $cache->get_from_cache('test_deep_copy_array'); + @$item_from_cache = qw( another array ref ); + is_deeply( $cache->get_from_cache('test_deep_copy_array'), [ qw ( an array ref ) ], 'An array will be deep copied even it is the first fetch from L2'); + $item_from_cache = $cache->get_from_cache('test_deep_copy_array', { unsafe => 1 }); @$item_from_cache = qw( another array ref ); is_deeply( $cache->get_from_cache('test_deep_copy_array'), [ qw ( another array ref ) ], 'An array will not be deep copied if the unsafe flag is set'); --