$ git clone -n https://src.fedoraproject.org/rpms/ghc-semigroups.git /var/lib/mock/f45-build-10771-424/root/chroot_tmpdir/scmroot/ghc-semigroups
Cloning into '/var/lib/mock/f45-build-10771-424/root/chroot_tmpdir/scmroot/ghc-semigroups'...
$ git fetch origin aa1459fadb075afcf22cce8b2458680452294810:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-semigroups
 * [new ref]         aa1459fadb075afcf22cce8b2458680452294810 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa1459f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild