permit running 'wedo' without script installation

README.md

@@ -9,8 +9,8 @@ Each host needs to have the following installed
 
 - `wedo` and `docker-ns` from the weave sub-directory. Install these
   somewhere in the root user's path, e.g. `/usr/local/bin'.
-- [pipework][], by Jérôme Petazzoni. This too needs to be installed in
-  the root user's path.
+- [pipework][], by Jérôme Petazzoni. Install this in the same place as
+  the aforementioned scripts.
 
 [pipework]: https://raw.githubusercontent.com/jpetazzo/pipework/master/pipework
 

weave/wedo

@@ -5,6 +5,7 @@ BRIDGE=weave
 CONTAINER_IFNAME=ethwe
 MTU=65535
 
+SCRIPT_DIR=$(dirname $(readlink -f $0))
 COMMAND=$1
 IPADDR=$2
 shift 2
@@ -41,8 +42,8 @@ case "$COMMAND" in
         ;;
 esac
 
-pipework $BRIDGE -i $CONTAINER_IFNAME $CONTAINER $IPADDR 1>&2
+${SCRIPT_DIR}/pipework $BRIDGE -i $CONTAINER_IFNAME $CONTAINER $IPADDR 1>&2
 
-docker-ns $CONTAINER ethtool -K $IFACE tx off > /dev/null
+${SCRIPT_DIR}/docker-ns $CONTAINER ethtool -K $IFACE tx off > /dev/null
 
 echo $CONTAINER