From 5b53994447ceada1a1bb35ae0c93dcb5913ce98a Mon Sep 17 00:00:00 2001
From: Jose Diaz-Gonzalez <email@josediazgonzalez.com>
Date: Thu, 1 Aug 2019 20:18:14 -0400
Subject: [PATCH] feat: avoid calling the user-auth trigger where possible

As this trigger is always in the execution path, `plugn` starts and expensively checks to see if it can execute the trigger. Rather than call this on every invocation, skip the trigger if no non-core implementation exists.
---
 plugins/common/functions | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/plugins/common/functions b/plugins/common/functions
index ab317ca51..b38e88130 100755
--- a/plugins/common/functions
+++ b/plugins/common/functions
@@ -672,6 +672,12 @@ dokku_auth() {
   declare desc="calls user-auth plugin trigger"
   export SSH_USER=${SSH_USER:=$USER}
   export SSH_NAME=${NAME:="default"}
+
+  # this plugin trigger exists in the core `20_events` plugin
+  if [[ $(find "$PLUGIN_PATH"/enabled/*/user-auth 2>/dev/null | wc -l) == 1 ]]; then
+    return 0
+  fi
+
   if ! plugn trigger user-auth "$SSH_USER" "$SSH_NAME" "$@"; then
     return 1
   fi