treewide: use more lib.optionalString

2023-03-19 21:44:31 +01:00
parent b392d9b827
commit 327b0cff7a
41 changed files with 89 additions and 95 deletions
--- a/nixos/modules/services/backup/mysql-backup.nix
+++ b/nixos/modules/services/backup/mysql-backup.nix
@@ -20,7 +20,7 @@ let
  '';
  backupDatabaseScript = db: ''
    dest="${cfg.location}/${db}.gz"
-    if ${mariadb}/bin/mysqldump ${if cfg.singleTransaction then "--single-transaction" else ""} ${db} | ${gzip}/bin/gzip -c > $dest.tmp; then
+    if ${mariadb}/bin/mysqldump ${optionalString cfg.singleTransaction "--single-transaction"} ${db} | ${gzip}/bin/gzip -c > $dest.tmp; then
      mv $dest.tmp $dest
      echo "Backed up to $dest"
    else