$ git clone -n https://src.fedoraproject.org/rpms/wbfs-manager.git /var/lib/mock/f45-build-38303-723/root/chroot_tmpdir/scmroot/wbfs-manager
Cloning into '/var/lib/mock/f45-build-38303-723/root/chroot_tmpdir/scmroot/wbfs-manager'...
$ git fetch origin b164738a1003d0f8cda0af2e1d8021dbf9069aa1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wbfs-manager
 * [new ref]         b164738a1003d0f8cda0af2e1d8021dbf9069aa1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b164738 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild