backup-progress.in: ignore unset du_timeout

1 files changed, 2 insertions, 2 deletions

diff --git a/backup-progress.in b/backup-progress.in
index 4b6e911..20beba0 100755
--- a/backup-progress.in
+++ b/backup-progress.in
@@ -26,14 +26,14 @@ for backupID in "${!backups[@]}"; do
       | tail -n1
   )
   last_size=$(
-    timeout "${du_timeout}" du -sb "${dir}/${last}" \
+    ${du_timeout+timeout "${du_timeout}"} "${du_timeout}" du -sb "${dir}/${last}" \
       | awk '{print $1}'
   )
   if [ -z "${last_size}" ]; then
     last_size='4096'
   fi
   current_size=$(
-    timeout "${du_timeout}" du -sb "${dir}/aktuell" \
+    ${du_timeout+timeout "${du_timeout}"} du -sb "${dir}/aktuell" \
       | awk '{print $1}'
   )
   if [ -z "${current_size}" ]; then