$ git clone -n https://src.fedoraproject.org/rpms/ghc-semigroupoids.git /var/lib/mock/f45-build-10774-424/root/chroot_tmpdir/scmroot/ghc-semigroupoids
Cloning into '/var/lib/mock/f45-build-10774-424/root/chroot_tmpdir/scmroot/ghc-semigroupoids'...
$ git fetch origin 718a0d792eafb362a1f41370d5cc8988d39676c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-semigroupoids
 * [new ref]         718a0d792eafb362a1f41370d5cc8988d39676c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 718a0d7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild