$ git clone -n https://src.fedoraproject.org/rpms/fancontrol-gui.git /var/lib/mock/f45-build-8667-393/root/chroot_tmpdir/scmroot/fancontrol-gui
Cloning into '/var/lib/mock/f45-build-8667-393/root/chroot_tmpdir/scmroot/fancontrol-gui'...
$ git fetch origin 6ec7ee586358f92def900669e7ae9c330513497e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fancontrol-gui
 * [new ref]         6ec7ee586358f92def900669e7ae9c330513497e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ec7ee5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild