Re: [PATCH] Create 'git gc' to perform common maintenance operations.

> +The optional configuration variable 'gc.reflogExpireUnreachable'
> +can be set to indicate how long historical reflog entries which
> +are not part of the current branch should remain available in
> +this repository.  These types of entries are generally created as
> +a result of using `git commit \--amend` or `git rebase` and are the
> +commits prior to the amend or rebase occuring.  Since these changes
> +are not part of the current project most users will want to expire
> +them sooner.  This option defaults to '60 days'.