Use bash

src/freedombone-client

 
   babel_script=/tmp/babel
 
-  echo '#!/bin/sh' > $babel_script
+  echo '#!/bin/bash' > $babel_script
   echo '' >> $babel_script
   echo 'if [[ $1 == "ls" || $1 == "list" ]]; then' >> $babel_script
   echo '    avahi-browse --all' >> $babel_script
 
   batman_script=/tmp/batman
 
-  echo '#!/bin/sh' > $batman_script
+  echo '#!/bin/bash' > $batman_script
   echo '' >> $batman_script
   echo 'if [[ $1 == "start" ]]; then' >> $batman_script
   echo '    # install avahi' >> $batman_script