diff --git a/devstack/distro.py b/devstack/distro.py
index 4761f766..907e8832 100644
--- a/devstack/distro.py
+++ b/devstack/distro.py
@@ -91,6 +91,8 @@ class Distro(object):
         run_over_keys = acutal_keys[0:-1]
         end_key = acutal_keys[-1]
         quiet = kargs.get('quiet', False)
+        LOG.debug("Running over keys (%s)" % (", ".join(run_over_keys)))
+        LOG.debug("End key is (%s)" % (end_key))
         for k in run_over_keys:
             if quiet:
                 root = root.get(k)
@@ -98,10 +100,13 @@ class Distro(object):
                     return None
             else:
                 root = root[k]
+        end_value = None
         if not quiet:
-            return root[end_key]
+            end_value = root[end_key]
         else:
-            return root.get(end_key)
+            end_value = root.get(end_key)
+        LOG.debug("Retrieved end command: %s", end_value)
+        return end_value
 
     def known_component(self, name):
         return name in self._components
diff --git a/devstack/downloader.py b/devstack/downloader.py
index 09647dea..6b0a7337 100644
--- a/devstack/downloader.py
+++ b/devstack/downloader.py
@@ -49,7 +49,7 @@ class GitDownloader(Downloader):
         dirsmade = list()
         if sh.isdir(self.store_where):
             LOG.info("Updating using git: located at %r" % (self.store_where))
-            cmd = self.distro.get_command('git', 'checkout')
+            cmd = list(self.distro.get_command('git', 'checkout'))
             cmd += [GIT_MASTER_BRANCH]
             sh.execute(*cmd, cwd=self.store_where)
             cmd = self.distro.get_command('git', 'pull')
@@ -57,12 +57,12 @@ class GitDownloader(Downloader):
         else:
             LOG.info("Downloading using git: %r to %r" % (self.uri, self.store_where))
             dirsmade.extend(sh.mkdirslist(self.store_where))
-            cmd = self.distro.get_command('git', 'clone')
+            cmd = list(self.distro.get_command('git', 'clone'))
             cmd += [self.uri, self.store_where]
             sh.execute(*cmd)
         if self.branch and self.branch != GIT_MASTER_BRANCH:
             LOG.info("Adjusting branch using git: %r" % (self.branch))
-            cmd = self.distro.get_command('git', 'checkout')
+            cmd = list(self.distro.get_command('git', 'checkout'))
             cmd += [self.branch]
             sh.execute(*cmd, cwd=self.store_where)
         return dirsmade