I am using version 1.8.3 of mysysgit and it seems that the --oneline command does not give me just one line per commit, I get all of the diff lines as well.

```
git show HEAD --oneline

```

and even `git show HEAD --pretty="%h %s"`

do not give just one line.

(note: same results using both git bash and posh git)

The reason I want the show --oneline is I want to pipe the results of a rev-list query into it from posh git.

```
git rev-list <somestuff> | %{git show $_ --oneline}

```