$ git clone -n https://src.fedoraproject.org/rpms/ghc-IOSpec.git /var/lib/mock/f33-build-321006-57942/root/chroot_tmpdir/scmroot/ghc-IOSpec
Cloning into '/var/lib/mock/f33-build-321006-57942/root/chroot_tmpdir/scmroot/ghc-IOSpec'...
$ git reset --hard 38164b456fc820060ee61c9a97085a1dced0d9c3
HEAD is now at 38164b4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild