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-rw-r--r--libbe/command/commit.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/libbe/command/commit.py b/libbe/command/commit.py
index 32ca3ef..8416107 100644
--- a/libbe/command/commit.py
+++ b/libbe/command/commit.py
@@ -84,6 +84,9 @@ class Commit (libbe.command.Command):
body = libbe.util.encoding.get_file_contents(
params['body'], decode=True)
if summary == None: # use the first body line as the summary
+ if body == None:
+ raise libbe.command.UserError(
+ 'cannot commit without a summary')
lines = body.splitlines()
summary = lines[0]
body = '\n'.join(lines[1:]).strip() + '\n'