[jgit-dev] DirCache allows JGit/EGit to corrupt repositories

[Shawn Pearce <spearce@xxxxxxxxxxx>]

I'm sure this will be ignored, but here goes anyway:

https://git.eclipse.org/r/62981 DirCache: Show failure where file overlaps tree

This is a JUnit test case for DirCache that passes.
Yet it should never allow both "a" and "a/b" to exist.

Its unclear to me how we should prevent the application from doing this.
The DirCacheEditor API doesn't seem to have a way to fail.