Do not list one-line descriptions from the actual commits being
merged.
---summary::
---no-summary::
+--[no-]summary::
Synonyms to --log and --no-log; these are deprecated and will be
removed in the future.
CONFIGURATION
-------------
+merge.branchdesc::
+ In addition to branch names, populate the log message with
+ the branch description text associated with them. Defaults
+ to false.
+
merge.log::
In addition to branch names, populate the log message with at
most the specified number of one-line descriptions from the