$ git clone -n https://src.fedoraproject.org/rpms/setuptool.git /var/lib/mock/f45-build-35779-699/root/chroot_tmpdir/scmroot/setuptool
Cloning into '/var/lib/mock/f45-build-35779-699/root/chroot_tmpdir/scmroot/setuptool'...
$ git fetch origin f6e323e0e0cfa4be6f3706b08b4a514a44644bf0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/setuptool
 * [new ref]         f6e323e0e0cfa4be6f3706b08b4a514a44644bf0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6e323e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild