$ git clone -n https://src.fedoraproject.org/rpms/gwe.git /var/lib/mock/f45-build-13275-448/root/chroot_tmpdir/scmroot/gwe
Cloning into '/var/lib/mock/f45-build-13275-448/root/chroot_tmpdir/scmroot/gwe'...
$ git fetch origin d1d4425ceaf2de9664e6245b6a2a58a87fa4657a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gwe
 * [new ref]         d1d4425ceaf2de9664e6245b6a2a58a87fa4657a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1d4425 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild