$ git clone -n https://src.fedoraproject.org/rpms/ghc-word8.git /var/lib/mock/f45-build-10967-425/root/chroot_tmpdir/scmroot/ghc-word8
Cloning into '/var/lib/mock/f45-build-10967-425/root/chroot_tmpdir/scmroot/ghc-word8'...
$ git fetch origin d24659b288f2681bfad6189df861679026112847:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-word8
 * [new ref]         d24659b288f2681bfad6189df861679026112847 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d24659b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild