- git-diff-cache <tree> | git-diff-helper -R file.c
-
- would show a diff to bring the working file back to what
- is in the <tree>.
-
--r::
- Detect renames.
+--pickaxe-all::
+ When -S finds a change, show all the changes in that
+ changeset, not just the files that contains the change
+ in <string>.