Add warnings about using Breezy

We should not recommend using Breezy until we can point to a version
where fast-export is reliable.

* README: describe support for Breezy as experiemntal
* lorry: warn if attempting a Bazaar conversion using 'brz'

Relates to lorry-buildstream#14.

1 files changed, 4 insertions, 0 deletions

diff --git a/lorry b/lorry
index 955b46b..1989400 100755
--- a/lorry
+++ b/lorry
@@ -466,6 +466,10 @@ class Lorry(cliapp.Application):
 
     def gitify_bzr(self, project_name, dirname, gitdir, spec):
         bzr = self.settings['bazaar-command']
+        if os.path.basename(bzr) == 'brz':
+            msg = 'Using Breezy for Bazaar conversion, which may not work correctly'
+            logging.warning(msg)
+            self.output.write('%s\n' % msg)
 
         bzrdir = os.path.join(dirname, 'bzr')
         # check if repo exists