Handle situations where -f only has an email

Normally, -f would be 'Some Service <service@example.org>', but in case
it's just "service@example.org", wrap it in angle brackets properly.

Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/b4/pr.py b/b4/pr.py
index 04feeae..86d039c 100644
--- a/b4/pr.py
+++ b/b4/pr.py
@@ -298,6 +298,8 @@ def explode(gitdir, lmsg, mailfrom=None, retrieve_links=True, fpopts=None):
                 allcc.append(fromaddr)
         if realname:
             # Use "Name via Foo" notation
+            if mailfrom.find('@') > 0 > mailfrom.find('<'):
+                mailfrom = f'<{mailfrom}>'
             mailfrom = f'{realname} via {mailfrom}'
 
     config = b4.get_main_config()