From d666d67877cbca0a8b94facfb290bffbd9f3b205 Mon Sep 17 00:00:00 2001
From: Jose Diaz-Gonzalez <email@josediazgonzalez.com>
Date: Sat, 12 Jun 2021 13:55:35 -0400
Subject: [PATCH] fix: do not attempt to retire when there was no pre-existing
 container

---
 plugins/scheduler-docker-local/scheduler-deploy | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/plugins/scheduler-docker-local/scheduler-deploy b/plugins/scheduler-docker-local/scheduler-deploy
index 03aea7deb..fb6e4dafe 100755
--- a/plugins/scheduler-docker-local/scheduler-deploy
+++ b/plugins/scheduler-docker-local/scheduler-deploy
@@ -151,9 +151,11 @@ trigger-scheduler-docker-local-scheduler-deploy() {
       fi
       trap - INT TERM EXIT
 
-      # schedule old container for retirement
-      dokku_log_verbose "Scheduling old container shutdown for $PROC_TYPE.$CONTAINER_INDEX in $WAIT seconds"
-      plugn trigger scheduler-register-retired "$APP" "$(cat "$DOKKU_CONTAINER_ID_FILE")" "$WAIT"
+      if [[ -f "$DOKKU_CONTAINER_ID_FILE" ]]; then
+        # schedule old container for retirement
+        dokku_log_verbose "Scheduling old container shutdown for $PROC_TYPE.$CONTAINER_INDEX in $WAIT seconds"
+        plugn trigger scheduler-register-retired "$APP" "$(cat "$DOKKU_CONTAINER_ID_FILE")" "$WAIT"
+      fi
 
       # now using the new container
       [[ -n "$cid" ]] && echo "$cid" >"$DOKKU_CONTAINER_ID_FILE"