Change guard condition

templates/application/scan_external_mounts.sh

@@ -1,7 +1,8 @@
 #!/bin/bash
 
 # Only run if this is the only instance of this script running
-if [[ $(pgrep -f "${0}" | wc -l) -eq 1  ]]; then
+# note: since this script forks to run pgrep, we need -eq 2 here
+if [[ $(pgrep -f "${0}" | wc -l) -eq 2  ]]; then
 	for container in $(get_containers); do
 		for id in $(nocc "${container}" files_external:list --all --output json | jq '.[].mount_id' | jq .); do
 			nocc "${container}" files_external:scan "${id}"