$ git clone -n https://src.fedoraproject.org/rpms/ghc-unliftio-core.git /var/lib/mock/f45-build-10902-425/root/chroot_tmpdir/scmroot/ghc-unliftio-core
Cloning into '/var/lib/mock/f45-build-10902-425/root/chroot_tmpdir/scmroot/ghc-unliftio-core'...
$ git fetch origin 9343686c5191b463a556604861b747d91abf26b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-unliftio-core
 * [new ref]         9343686c5191b463a556604861b747d91abf26b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9343686 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild