$ git clone -n https://src.fedoraproject.org/rpms/ghc-semigroupoids.git /var/lib/mock/f33-build-140654-42516/root/chroot_tmpdir/scmroot/ghc-semigroupoids
Cloning into '/var/lib/mock/f33-build-140654-42516/root/chroot_tmpdir/scmroot/ghc-semigroupoids'...
$ git reset --hard beff876efdd1be6424cfd765ea0940292f642774
HEAD is now at beff876 update to 5.3.4