$ git clone -n https://src.fedoraproject.org/rpms/mingw-qwt.git /var/lib/mock/f41-build-side-1-2965587-35794/root/chroot_tmpdir/scmroot/mingw-qwt
Cloning into '/var/lib/mock/f41-build-side-1-2965587-35794/root/chroot_tmpdir/scmroot/mingw-qwt'...
$ git fetch origin 5494a42a25bb672f7d55edd8a795d0d8cacfb442:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qwt
 * [new ref]         5494a42a25bb672f7d55edd8a795d0d8cacfb442 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5494a42 hack to make it compile