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-rw-r--r--b4/command.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/b4/command.py b/b4/command.py
index 2964f54..d0d084e 100644
--- a/b4/command.py
+++ b/b4/command.py
@@ -108,6 +108,9 @@ def cmd():
'"-P *globbing*" to match on commit subject)')
sp_am.add_argument('-g', '--guess-base', dest='guessbase', action='store_true', default=False,
help='Try to guess the base of the series (if not specified)')
+ sp_am.add_argument('-3', '--prep-3way', dest='threeway', action='store_true', default=False,
+ help='Prepare for a 3-way merge '
+ '(tries to ensure that all index blobs exist by making a fake commit range)')
sp_am.set_defaults(func=cmd_am)
# b4 attest