diff --git a/hacking/env-setup b/hacking/env-setup
index 338e768686b..83f57e9cee5 100755
--- a/hacking/env-setup
+++ b/hacking/env-setup
@@ -1,13 +1,17 @@
 #!/bin/bash
-# usage: source ./hacking/env-setup [-q]
+# usage: source env-setup [-q]
+#        source hacking/env-setup [-q]
+#        . ./env-setup [-q]
+#        . ./hacking/env-setup [q]
 #    modifies environment for running Ansible from checkout
 
 # When run using source as directed, $0 gets set to bash, so we must use $BASH_SOURCE
-if [ -n "$BASH_SOURCE" ] ; then
-    HACKING_DIR=`dirname $BASH_SOURCE`
-else
-    HACKING_DIR="$PWD/hacking"
-fi
+case "$0" in
+    (bash)
+        HACKING_DIR=${BASH_SOURCE%/*};;
+    (*)
+        HACKING_DIR=${0%/*};;
+esac
 # The below is an alternative to readlink -fn which doesn't exist on OS X
 # Source: http://stackoverflow.com/a/1678636
 FULL_PATH=`python -c "import os; print(os.path.realpath('$HACKING_DIR'))"`
diff --git a/library/cloud/digital_ocean b/library/cloud/digital_ocean
index aea7d56a488..ddaaf39085c 100644
--- a/library/cloud/digital_ocean
+++ b/library/cloud/digital_ocean
@@ -131,6 +131,30 @@ EXAMPLES = '''
       size_id=1 
       region_id=2 
       image_id=3
+=======
+- digital_ocean: state=present command=ssh name=my_ssh_key ssh_pub_key='ssh-rsa AAAA...' client_id=XXX api_key=XXX
+
+If a key matches this name, will return the ssh key id and changed = False
+If no existing key matches this name, a new key is created, the ssh key id is returned and changed = False
+
+# Create a new Droplet
+- digital_ocean: state=present command=droplet name=my_new_droplet client_id=XXX api_key=XXX size_id=1 region_id=2 image_id=3 wait_timeout=500
+
+Will return the droplet details including the droplet id (used for idempotence)
+
+# Ensure a droplet is present
+- digital_ocean: state=present command=droplet id=123 name=my_new_droplet client_id=XXX api_key=XXX size_id=1 region_id=2 image_id=3 wait_timeout=500
+
+If droplet id already exist, will return the droplet details and changed = False
+If no droplet matches the id, a new droplet will be created and the droplet details (including the new id) are returned, changed = True.
+
+# Create a droplet with ssh key
+- digital_ocean: state=present ssh_key_ids=id name=my_new_droplet client_id=XXX api_key=XXX size_id=1 region_id=2 image_id=3
+
+The ssh key id can be passed as argument at the creation of a droplet (see ssh_key_ids). 
+Several keys can be added to ssh_key_ids as id1,id2,id3
+
+The keys are used to connect as root to the droplet.
 '''
 
 import sys