Fix the problem with lazy completion for bash

To fix lazy completion bash needs to be instructed to restart completion
after virtualenvwrapper loads the real implementation. Code 124 means
exactly that: retry completion. See `man bash`.

Author: phdru

virtualenvwrapper_lazy.sh

@@ -44,13 +44,16 @@ function $venvw_name {
 # Set up completion functions to virtualenvwrapper_load
 function virtualenvwrapper_setup_lazy_completion {
     if [ -n "$BASH" ] ; then
-        complete -o nospace -F virtualenvwrapper_load $(echo ${_VIRTUALENVWRAPPER_API})
+        function virtualenvwrapper_lazy_load {
+            virtualenvwrapper_load
+            return 124
+        }
+        complete -o nospace -F virtualenvwrapper_lazy_load $(echo ${_VIRTUALENVWRAPPER_API})
     elif [ -n "$ZSH_VERSION" ] ; then
         compctl -K virtualenvwrapper_load $(echo ${_VIRTUALENVWRAPPER_API})
     fi
 }
 
 virtualenvwrapper_setup_lazy_loader
-# Does not really work. Cannot be reset in zsh to fallback to files (e.g. mkvirtualenv).
-# It also needs a second invocation, because the first one only sets up the real completion.
+# Cannot be reset in zsh to fallback to files (e.g. mkvirtualenv).
 virtualenvwrapper_setup_lazy_completion