option and lists the commits in that commit range like the 'summary'
option of linkgit:git-submodule[1] does.
---color::
+--color[=<when>]::
Show colored diff.
+ The value must be always (the default), never, or auto.
--no-color::
Turn off colored diff, even when the configuration file
gives the default to color output.
+ Same as `--color=never`.
--color-words[=<regex>]::
Show colored word diff, i.e., color words which have changed.
Break complete rewrite changes into pairs of delete and create.
-M::
+ifndef::git-log[]
Detect renames.
+endif::git-log[]
+ifdef::git-log[]
+ If generating diffs, detect and report renames for each commit.
+ For following files across renames while traversing history, see
+ `--follow`.
+endif::git-log[]
-C::
Detect copies as well as renames. See also `--find-copies-harder`.