$ git clone -n https://src.fedoraproject.org/rpms/mingw-python-pep517.git /var/lib/mock/f45-build-39439-735/root/chroot_tmpdir/scmroot/mingw-python-pep517
Cloning into '/var/lib/mock/f45-build-39439-735/root/chroot_tmpdir/scmroot/mingw-python-pep517'...
$ git fetch origin 7e739af14a13d7e9baf8d2c0b6b85e430ecca346:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-python-pep517
 * [new ref]         7e739af14a13d7e9baf8d2c0b6b85e430ecca346 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e739af Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild