From 1acba04ade815398d6a60c2907b8639fbeac59cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Guitaut?= <flink@belfalas.eu>
Date: Fri, 11 Sep 2015 23:27:52 +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 2b713cf..dbc6d8d 100755
--- a/commands
+++ b/commands
@@ -180,7 +180,7 @@ 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
@@ -199,6 +199,12 @@ 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
     ;;
 
   *)