$ git clone -n https://src.fedoraproject.org/rpms/libgnomeui.git /var/lib/mock/f45-build-16266-484/root/chroot_tmpdir/scmroot/libgnomeui
Cloning into '/var/lib/mock/f45-build-16266-484/root/chroot_tmpdir/scmroot/libgnomeui'...
$ git fetch origin 7604ce75aa112b2ab36ba95419ce5ad40fe8ec38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgnomeui
 * [new ref]         7604ce75aa112b2ab36ba95419ce5ad40fe8ec38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7604ce7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild