[PATCH 05/10][auh] upgradehelper.py: Add own step for loading environment

["Aníbal Limón" <anibal.limon@linux.intel.com>]

Instead of load environment in detecting git repository use own
function making easy to debug.

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
---
 upgradehelper.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/upgradehelper.py b/upgradehelper.py
index 13fc7dd..9119cb0 100755
--- a/upgradehelper.py
+++ b/upgradehelper.py
@@ -147,6 +147,7 @@ class Updater(object):
 
         self.upgrade_steps = [
             (self._create_workdir, None),
+            (self._get_env, "Loading environment ..."),
             (self._detect_repo, "Detecting git repository location ..."),
             (self._clean_repo, "Cleaning git repository of temporary branch ..."),
             (self._detect_recipe_type, None),
@@ -205,18 +206,16 @@ class Updater(object):
                 os.remove(os.path.join(self.workdir, f))
 
     def _detect_repo(self):
-        self._get_env()
-
-        if self.env['PV'] == self.new_ver:
+        if self.env['PKGV'] == self.new_ver:
             raise UpgradeNotNeededError
 
-        if self.git is not None:
+        # UniverseUpdater use git poky respository 
+        if isinstance(self.git, UniverseUpdater):
             return
 
         self.git = Git(self.recipe_dir)
 
         stdout = self.git.status()
-
         if stdout != "":
             if self.interactive:
                 W(" %s: git repository has uncommited work which will be dropped! Proceed? (y/N)" % self.pn)
@@ -527,6 +526,8 @@ class Updater(object):
 class UniverseUpdater(Updater):
     def __init__(self):
         Updater.__init__(self, True, True)
+
+        # XXX: assume that the poky directory is the first entry in the PATH
         self.git = Git(os.path.dirname(os.getenv('PATH', False).split(':')[0]))
 
         # read history file
-- 
1.9.1