From a17ada0d0e66519112d221c3d1b9215713efd788 Mon Sep 17 00:00:00 2001
From: Badlop <badlop@process-one.net>
Date: Thu, 15 Apr 2021 17:45:35 +0200
Subject: [PATCH] Only create cookie file if it doesn't exist

Without that change, when ERLANG_COOKIE environment is set, it complains:
 /home/ejabberd/bin/ejabberdctl: line 76:
 can't create /home/ejabberd/.erlang.cookie: Permission denied
---
 ecs/bin/ejabberdctl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ecs/bin/ejabberdctl b/ecs/bin/ejabberdctl
index 6c604bc..aec982d 100755
--- a/ecs/bin/ejabberdctl
+++ b/ecs/bin/ejabberdctl
@@ -72,7 +72,7 @@ done
 : "${EJABBERD_LOG_PATH:="$LOGS_DIR/ejabberd.log"}"
 : "${SPOOL_DIR:="$HOME_DIR/database/$ERLANG_NODE"}"
 
-[ -n "$ERLANG_COOKIE" ] && {
+[ -n "$ERLANG_COOKIE" ] && [ ! -f "$HOME"/.erlang.cookie ] && {
     echo "$ERLANG_COOKIE" > "$HOME"/.erlang.cookie
     chmod 400 "$HOME"/.erlang.cookie
 }