git-mr-reply: abort on empty message

Signed-off-by: Frantisek Hrbata <frantisek@hrbata.com>

diff --git a/git-mr-reply b/git-mr-reply
index 84d1c154e5c4427a5bbffe45c21aefef90992181..10dc573548db00fa9151bc513e7022485f35c687 100755 (executable)
--- a/git-mr-reply
+++ b/git-mr-reply
@@ -79,6 +79,8 @@ On {ad}, {an} wrote:
 {b}""".format(an=an, ae=ae, s=subj, mr=mr, rev=rev, ad=ad, b=qbody)
 
 msg = mrlib.editor(msg)
+if not msg:
+    sys.exit("Empty reply. Aborting...")
 
 rv, out, err = mrlib.run(["git", "mr-sendmail"], stdin=msg)