$ git clone -n https://src.fedoraproject.org/rpms/perl-Curses-UI.git /var/lib/mock/f45-build-22688-593/root/chroot_tmpdir/scmroot/perl-Curses-UI
Cloning into '/var/lib/mock/f45-build-22688-593/root/chroot_tmpdir/scmroot/perl-Curses-UI'...
$ git fetch origin dabce0c629aa40f9262ebf08e021ca5ba29b76e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Curses-UI
 * [new ref]         dabce0c629aa40f9262ebf08e021ca5ba29b76e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dabce0c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild