RFR: WIP: 108: Command line tools fon't run with Cygwin git

[Kevin Rushforth]

On Tue, 8 Oct 2019 06:38:01 GMT, Robin Westberg <rwestberg at openjdk.org> wrote:

>> Hi Kevin,
>> 
>> thanks for looking into this and sorry for not responding earlier. I would like to understand your use case a bit more - why are you using Cygwin git over [Git for Windows](https://gitforwindows.org/)? I understand that you need to use Cygwin, but why not use the Windows native git binary in Cygwin (instead of Cygwin's version of git)?
>> 
>> Looking at your changes I can immediately see that adding support for the Cygwin version of git will have far-reaching consequences for almost all our code, so I would really like to understand the advantages of using Cygwin git before pursuing this further.
>> 
>> Thanks,
>> Erik
> 
> Please disregard this comment, investigating a failed email delivery.

I'm withdrawing this PR. I still think having support for Cygwin git would be a good thing. I tried native Windows git a few months back and had a variety of usage issues, so I'm sticking with Cygwin git. I can live without formal support for the Skara command line tools on Cygwin git (my temporary patch is enough to allow `git jcheck` to work, so this isn't blocking me).

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PR: https://git.openjdk.java.net/skara/pull/170