$ git clone -n https://src.fedoraproject.org/rpms/ghc-ieee754.git /var/lib/mock/f45-build-10425-416/root/chroot_tmpdir/scmroot/ghc-ieee754
Cloning into '/var/lib/mock/f45-build-10425-416/root/chroot_tmpdir/scmroot/ghc-ieee754'...
$ git fetch origin 36703226f432afc0c37d725895fdf32363bccbf0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-ieee754
 * [new ref]         36703226f432afc0c37d725895fdf32363bccbf0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3670322 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild