From b5ec6ca12ca903ec5bbd2ccab2020ac272d03b58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Guitaut?= <flink@belfalas.eu>
Date: Fri, 11 Sep 2015 23:29:40 +0200
Subject: [PATCH] Compatibility with dokku 0.3.x & 0.4.x for help output

---
 commands | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/commands b/commands
index c6bb750..6c4fcac 100755
--- a/commands
+++ b/commands
@@ -193,7 +193,7 @@ case "$1" in
     ;;
 
   help)
-    cat && cat<<EOF
+    HELP=$(cat<<EOF
     $PLUGIN_COMMAND_PREFIX:alias <name> <alias>, Set an alias for the docker link
     $PLUGIN_COMMAND_PREFIX:create <name>, Create a $PLUGIN_SERVICE service
     $PLUGIN_COMMAND_PREFIX:destroy <name>, Delete the $PLUGIN_SERVICE service and stop its container if there are no links left
@@ -212,6 +212,12 @@ case "$1" in
     $PLUGIN_COMMAND_PREFIX:start <name>, Start a previously stopped $PLUGIN_SERVICE service
     $PLUGIN_COMMAND_PREFIX:stop <name>, Stop a running $PLUGIN_SERVICE service
 EOF
+)
+    if [[ -n $DOKKU_API_VERSION ]]; then
+      echo "$HELP"
+    else
+      cat && echo "$HELP"
+    fi
     ;;
 
   *)