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When encountering a commit message that does not end in a newline, sequencer does not complete the line before determining if a blank line should be added. This causes the "(cherry picked..." and sign-off lines to sometimes appear on the same line as the last line of the commit message. This behavior was introduced by commit 967dfd4d ("sequencer: use trailer's trailer layout", 2016-11-29). However, a revert of that commit would not resolve this issue completely: prior to that commit, a conforming footer was deemed to be non-conforming by has_conforming_footer() if there was no terminating newline, resulting in both conforming and non-conforming footers being treated the same when they should not be. Resolve this issue, both for conforming and non-conforming footers, and in both do_pick_commit() and append_signoff(), by always adding a newline to the commit message if it does not end in one before checking the footer for conformity. Reported-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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