--sparse::
When optional paths are given, the command outputs only
- the commits that changes at least one of them. This
- flag makes the command ignore the paths, outputting all
- eligible commits (still subject to count and age
- limitation).
+ the commits that changes at least one of them, and also
+ ignores merges that do not touch the given paths. This
+ flag makes the command output all eligible commits
+ (still subject to count and age limitation), but apply
+ merge simplification nevertheless.
--all::
Pretend as if all the refs in `$GIT_DIR/refs/` are