Re: Commit cce8d6fdb introduces file t/t5100/nul, git tree is now incompatible with Cygwin (and probably Windows)

> Beginning with the referenced commit, the git project cannot be checked 
> out on Cygwin (and I assume cannot be checked out on Windows using 
> msysgit, though I have not verified this) as this commit introduces the 
> file "t/5100/nul." On Windows, the file name "nul" is reserved, 
> regardless of path, and cannot be created or deleted. It serves 
> essentially the same function as /dev/null.

> As a for instance of the troubles:
> 
> git>git checkout -f origin/master
> Previous HEAD position was a2f5be5... Merge branch
> 'jk/maint-send-email-compose' into maint
> error: git-checkout-index: unable to create file t/t5100/nul (File exists)
> 
> As this commit is part of the published master branch, I am not sure the 
> correct resolution: leaving this commit in place means that any commit 
> between it and a commit fixing this will always cause an error on Cygwin 
> / Windows. Of course, it *is* on the published master branch.