another file.
-M[<n>]::
---detect-renames[=<n>]::
+--find-renames[=<n>]::
ifndef::git-log[]
Detect renames.
endif::git-log[]
hasn't changed.
-C[<n>]::
---detect-copies[=<n>]::
+--find-copies[=<n>]::
Detect copies as well as renames. See also `--find-copies-harder`.
If `n` is specified, it has the same meaning as for `-M<n>`.