dist_info: create the egg_info in the same location

This change is a small simplification that simply creates the
egg_info directory in the egg_base location; it's a minor
cleanup that results in some read and it helps with
read-only directories (the egg_info directory is uncontrollable).

setuptools/command/dist_info.py

@@ -4,7 +4,6 @@ As defined in the wheel specification
 """
 
 import os
-import shutil
 
 from distutils.core import Command
 from distutils import log
@@ -27,14 +26,10 @@ class dist_info(Command):
 
     def run(self):
         egg_info = self.get_finalized_command('egg_info')
+        egg_info.egg_base = self.egg_base
         egg_info.run()
         dist_info_dir = egg_info.egg_info[:-len('.egg-info')] + '.dist-info'
         log.info("creating '{}'".format(os.path.abspath(dist_info_dir)))
 
         bdist_wheel = self.get_finalized_command('bdist_wheel')
         bdist_wheel.egg2dist(egg_info.egg_info, dist_info_dir)
-
-        if self.egg_base:
-            destination = os.path.join(self.egg_base, dist_info_dir)
-            log.info("creating '{}'".format(os.path.abspath(destination)))
-            shutil.move(dist_info_dir, destination)