Merge ~darinmiller/ka:master into ka:master

[Darin Miller]

Fixed git_checks.py to fail gracefully on failed git assignment

[Jose Manuel Santamaria Lema (panfaust)]

Hi, the change seems good, however, apparently there's another place to put a try-except:

user@host:/tmp$ uploadsource
Traceback (most recent call last):
  File "/home/santa/kubuntu-automation/uploadsource", line 54, in <module>
    checkUnpushedGitChanges()
  File "/home/santa/kubuntu-automation/lib/git_checks.py", line 50, in checkUnpushedGitChanges
    git_repo = Repo('.')
  File "/usr/lib/python3/dist-packages/git/repo/base.py", line 168, in __init__
    raise InvalidGitRepositoryError(epath)
git.exc.InvalidGitRepositoryError: /tmp

diff --git a/lib/git_checks.py b/lib/git_checks.py
index 565cd8a..548caaf 100644
--- a/lib/git_checks.py
+++ b/lib/git_checks.py
@@ -13,12 +13,17 @@
 ############################################################################
 
 import sys
+import os
 
 from git import Repo
 
 #Check if the current branch is a valid Kubuntu branch
 def kubuntuCheckValidBranch(distribution=None):
-    git_repo = Repo('.')
+    try:
+        git_repo = Repo('.')
+    except:
+        print("Git repo not found here, 'pwd': " + os.getcwd())
+        sys.exit(1)
     branch_name = str(git_repo.active_branch)
     branch_name_parts = branch_name.split('_')
     warning = ''