If `--log` is specified, a shortlog of the commits being merged
will be appended to the specified message.
---[no-]rerere-autoupdate::
+--rerere-autoupdate::
+--no-rerere-autoupdate::
Allow the rerere mechanism to update the index with the
result of auto-conflict resolution if possible.
'git merge --abort' is equivalent to 'git reset --merge' when
`MERGE_HEAD` is present.
+--quit::
+ Forget about the current merge in progress. Leave the index
+ and the working tree as-is.
+
--continue::
After a 'git merge' stops due to conflicts you can conclude the
merge by running 'git merge --continue' (see "HOW TO RESOLVE