Teach env-setup how to create egg-info for ansible so that pkg_resources works

hacking/env-setup

@@ -25,6 +25,30 @@ unset ANSIBLE_LIBRARY
 export ANSIBLE_LIBRARY="$ANSIBLE_HOME/library:`python $HACKING_DIR/get_library.py`"
 [[ $MANPATH != ${PREFIX_MANPATH}* ]] && export MANPATH=$PREFIX_MANPATH:$MANPATH
 
+#
+# Generate egg_info so that pkg_resources works
+#
+
+# Do the work in a function so we don't repeat ourselves later
+gen_egg_info()
+{
+    python setup.py egg_info
+    if [ -e $PREFIX_PYTHONPATH/ansible*.egg-info ] ; then
+        rm -r $PREFIX_PYTHONPATH/ansible*.egg-info
+    fi
+    mv ansible*.egg-info $PREFIX_PYTHONPATH
+}
+
+# In some shells if pushd is a no-op then popd sends you to a previous
+# directory in history
+if [ "$ANSIBLE_HOME" != "$PWD" ] ; then
+    pushd "$ANSIBLE_HOME"
+    gen_egg_info
+    popd
+else
+    gen_egg_info
+fi
+
 # Print out values unless -q is set
 
 if [ $# -eq 0 -o "$1" != "-q" ] ; then

hacking/env-setup.fish

@@ -36,6 +36,16 @@ end
 
 set -gx ANSIBLE_LIBRARY $ANSIBLE_HOME/library
 
+# Generate egg_info so that pkg_resources works
+pushd $ANSIBLE_HOME
+python setup.py egg_info
+if test -e $PREFIX_PYTHONPATH/ansible*.egg-info
+    rm -r $PREFIX_PYTHONPATH/ansible*.egg-info
+end
+mv ansible*egg-info $PREFIX_PYTHONPATH
+popd
+
+
 if set -q argv 
     switch $argv
     case '-q' '--quiet'