[ \--min-age=timestamp ]
[ \--sparse ]
[ \--no-merges ]
+ [ \--remove-empty ]
[ \--all ]
[ [ \--merge-order [ \--show-breaks ] ] | [ \--topo-order ] ]
[ \--parents ]
(still subject to count and age limitation), but apply
merge simplification nevertheless.
+--remove-empty::
+ Stop when a given path disappears from the tree.
+
--all::
Pretend as if all the refs in `$GIT_DIR/refs/` are
listed on the command line as <commit>.