$ git clone -n https://src.fedoraproject.org/rpms/ghc-unordered-containers.git /var/lib/mock/f45-build-10901-425/root/chroot_tmpdir/scmroot/ghc-unordered-containers
Cloning into '/var/lib/mock/f45-build-10901-425/root/chroot_tmpdir/scmroot/ghc-unordered-containers'...
$ git fetch origin 610d551b3403c65fd58c23361a280090d4f02bbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-unordered-containers
 * [new ref]         610d551b3403c65fd58c23361a280090d4f02bbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 610d551 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild