Make -q flag totally quiet for env-setup.fish

The first echo and setup.py steps are not quiet and result in output that is annoying if your Fish is configured to source the file.

hacking/env-setup.fish

@@ -8,6 +8,15 @@ set PREFIX_PYTHONPATH $ANSIBLE_HOME/lib
 set PREFIX_PATH $ANSIBLE_HOME/bin 
 set PREFIX_MANPATH $ANSIBLE_HOME/docs/man
 
+# set quiet flag
+if set -q argv
+    switch $argv
+    case '-q' '--quiet'
+        set QUIET "true"
+    case '*'
+    end
+end
+
 # Set PYTHONPATH
 if not set -q PYTHONPATH
     set -gx PYTHONPATH $PREFIX_PYTHONPATH
@@ -15,7 +24,9 @@ else
     switch PYTHONPATH
         case "$PREFIX_PYTHONPATH*"
         case "*"
+            if not [ $QUIET ]
                 echo "Appending PYTHONPATH"
+            end
             set -gx PYTHONPATH "$PREFIX_PYTHONPATH:$PYTHONPATH"
     end
 end
@@ -38,7 +49,11 @@ set -gx ANSIBLE_LIBRARY $ANSIBLE_HOME/library
 
 # Generate egg_info so that pkg_resources works
 pushd $ANSIBLE_HOME
+if [ $QUIET ]
+    python setup.py -q egg_info
+else
     python setup.py egg_info
+end
 if test -e $PREFIX_PYTHONPATH/ansible*.egg-info
     rm -r $PREFIX_PYTHONPATH/ansible*.egg-info
 end
@@ -47,10 +62,7 @@ find . -type f -name "*.pyc" -delete
 popd
 
 
-if set -q argv 
+if not [ $QUIET ]
-    switch $argv
-    case '-q' '--quiet'
-    case '*'
     echo ""
     echo "Setting up Ansible to run out of checkout..."
     echo ""
@@ -59,10 +71,10 @@ if set -q argv
     echo "ANSIBLE_LIBRARY=$ANSIBLE_LIBRARY"
     echo "MANPATH=$MANPATH"
     echo ""
-
     echo "Remember, you may wish to specify your host file with -i"
     echo ""
     echo "Done!"
     echo ""
 end
-end
+
+set -e QUIET