factoids: safer DB writes

1 files changed, 4 insertions, 1 deletions

diff --git a/plugins/zyklonb/factoids b/plugins/zyklonb/factoids
index 00a9fbf..8bf2dc0 100755
--- a/plugins/zyklonb/factoids
+++ b/plugins/zyklonb/factoids
@@ -58,10 +58,13 @@ sub db_load {
 sub db_save {
 	local $\ = "\n";
 	my ($path, $ref) = @_;
-	open my $db, ">", $path or die "db save failed: $!";
+	my $path_new = "$path.new";
+	open my $db, ">", $path_new or die "db save failed: $!";
 
 	my %entries = %$ref;
 	print $db join "\r", ($_, @{$entries{$_}}) for keys %entries;
+	close $db;
+	rename $path_new, $path or die "db save failed: $!";
 }
 
 # --- Factoids -----------------------------------------------------------------