[PATCH 0/8] merge: allow --log to append shortlog to -m

Previously, --log didn't have any effect if a message was specified
with -m. This allows one to create commit messages like:

  Merge in new feature

  * commit c2:
    c2's message

Contents:
[PATCH 1/8] t7604-merge-custom-message: shift expected output creation
[PATCH 2/8] t7604-merge-custom-message: show that --log doesn't append to -m
[PATCH 3/8] merge: update comment
[PATCH 4/8] merge: rename variable
[PATCH 5/8] fmt-merge-msg: minor refactor of fmt_merge_msg()
[PATCH 6/8] fmt-merge-msg: refactor merge title formatting
[PATCH 7/8] fmt-merge-msg: add function to append shortlog only
[PATCH 8/8] merge: --log appends shortlog to message if specified

 Documentation/git-merge.txt     |    7 +++-
 builtin.h                       |    1 +
 builtin/fmt-merge-msg.c         |   76 ++++++++++++++++++++++++--------------
 builtin/merge.c                 |   20 ++++++----
 t/t7604-merge-custom-message.sh |   24 ++++++++++--
 5 files changed, 87 insertions(+), 41 deletions(-)