$ git clone -n https://src.fedoraproject.org/rpms/js-jquery-ui.git /var/lib/mock/f45-build-14521-461/root/chroot_tmpdir/scmroot/js-jquery-ui
Cloning into '/var/lib/mock/f45-build-14521-461/root/chroot_tmpdir/scmroot/js-jquery-ui'...
$ git fetch origin e6ca24619db6a7fdfc644561800ee1f3c9d2fde4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/js-jquery-ui
 * [new ref]         e6ca24619db6a7fdfc644561800ee1f3c9d2fde4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6ca246 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild