$ git clone -n https://src.fedoraproject.org/rpms/ghc-th-reify-many.git /var/lib/mock/f45-build-10887-425/root/chroot_tmpdir/scmroot/ghc-th-reify-many
Cloning into '/var/lib/mock/f45-build-10887-425/root/chroot_tmpdir/scmroot/ghc-th-reify-many'...
$ git fetch origin e64abce38e7b5e9f59bad1a2eb39cac55daa0f55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-th-reify-many
 * [new ref]         e64abce38e7b5e9f59bad1a2eb39cac55daa0f55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e64abce Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild