$ git clone -n https://src.fedoraproject.org/rpms/cloudy.git /var/lib/mock/f45-build-5539-340/root/chroot_tmpdir/scmroot/cloudy
Cloning into '/var/lib/mock/f45-build-5539-340/root/chroot_tmpdir/scmroot/cloudy'...
$ git fetch origin 87678541151f5dbc9eeb84ddf6d94c665ecd8ea7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cloudy
 * [new ref]         87678541151f5dbc9eeb84ddf6d94c665ecd8ea7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8767854 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild