$ git clone -n https://src.fedoraproject.org/rpms/ghc-unliftio.git /var/lib/mock/f45-build-10877-425/root/chroot_tmpdir/scmroot/ghc-unliftio
Cloning into '/var/lib/mock/f45-build-10877-425/root/chroot_tmpdir/scmroot/ghc-unliftio'...
$ git fetch origin 37c96a892a9904e36177dadab56d55e602652bb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-unliftio
 * [new ref]         37c96a892a9904e36177dadab56d55e602652bb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37c96a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild