fix #1185 git on windows

[postHawk]

incorrect write last commit and release building.

[ferd]

The tests keep failing. Will this get updated or should we close it?

[filmor]

This is fixed by #1251 already, I think this PR is superfluous.

/edit: Said #1206 before

[ferd]

@filmor this is #1206 already. I think this PR is critical to your argument here :)
Also the tests are apparently failing as said in a prior comment.

[filmor]

Oops, sorry, I corrected the reference ;)

Nevertheless, the problem at hand is fixed in master already.

/edit: Okay, the first part of the PR is superfluous (the stuff around git rev-parse), I don't know about the second part, sorry for the noise.

[ferd]

Ah good to know. Will close the other ones you have hilighted as already fixed, thanks!