init: unit service stays running

init/pi_run.sh

@@ -33,6 +33,14 @@ HOME=/home/pi
 GOPATH=$HOME/go
 RVPATH=$GOPATH/src/bitbucket.org/ausocean/av/cmd/rv
 PATH=$PATH:/usr/local/go/bin:$RVPATH
+echo $RVPATH
 cd $RVPATH
-sudo -u pi HOME=$HOME GOPATH=$GOPATH PATH=$PATH ./rv &
+sudo -u pi HOME=$HOME GOPATH=$GOPATH PATH=$PATH ./rv
+if [ $? -eq 0 ]
+then
+  echo "Successfully exited rv"
   exit 0
+else
+  echo "rv exited with code: $?" >&2
+  exit 1
+fi