2 Issues identified in the jgit gitignore setup

[Jenson3210]

I might be wrong, but I think there are 2 bugs in the eclipse jgit lib.

Before raising them there, I want to see here if we can get up with a fix that we can then contribute later to jgit also if we really consider them to be buggy.

Consider a file .gitignore with following content

/directory/

This would ignore only directory if it is a directory on the same level as this gitignore.
starting slash: must be on current directory
ending slash: must be a directory.

Bugs are explained/showcased in the tests.

As there are no tests available in original lib/here, I don't feel safe adding changes without talking about them first

[Jenson3210]

also raised it here: eclipse-jgit/jgit#105

[Jenson3210]

Probably we do not have to put support in for this.
A local written TreeWalk test case is working as expected, so probably it should not allways use IgnoreNode.

In my consuming recipe i moved away from IgnoreNode and came up with a setup using FastIgnoreRules which can be used.

Closing this as I do not really require this usecase anymore