1 files changed, 6 insertions, 0 deletions
diff --git a/examples/gbp-pull b/examples/gbp-pull
index 7aecbed..ed79077 100755
--- a/examples/gbp-pull
+++ b/examples/gbp-pull
@@ -79,6 +79,12 @@ def main(argv):
         if repo.has_branch(pristine_tar) and options.pristine_tar:
             branches += [ pristine_tar ]
 
+        (ret, out) = repo.is_clean()
+        if not ret:
+            print >>sys.stderr, "You have uncommitted changes in your source tree:"
+            print >>sys.stderr, out
+            raise GbpError
+
         GitFetch()()
         for branch in branches:
             fast_forward_branch(branch, repo, options)