make total size a state variable

1 files changed, 4 insertions, 1 deletions

diff --git a/draklive-install b/draklive-install
index 2206b24..7ae8dbc 100755
--- a/draklive-install
+++ b/draklive-install
@@ -9,6 +9,7 @@ use fs::partitioning;
 use fs::partitioning_wizard;
 use MDK::Common;
 use common;
+use feature qw(state);
 
 push @::textdomains, 'draklive-install';
 
@@ -154,8 +155,10 @@ sub build_copy_command {
 
 sub get_total_size {
     my ($in, $source) = @_;
+    state $total;
+    return $total if $total;
     my $_wait = $in->wait_message('', N("Computing total size"));
-    first(split(/\s+/, `du -sbx $source 2>/dev/null`));
+    $total = first(split(/\s+/, `du -sbx $source 2>/dev/null`));
 }
 
 sub copy_root {