$ git clone -n https://src.fedoraproject.org/rpms/ghc-data-default.git /var/lib/mock/f33-build-139215-42325/root/chroot_tmpdir/scmroot/ghc-data-default
Cloning into '/var/lib/mock/f33-build-139215-42325/root/chroot_tmpdir/scmroot/ghc-data-default'...
$ git reset --hard b7c9fb6548dc783aef2590b6346388be4f3f4ff8
HEAD is now at b7c9fb6 rebuild