$ git clone -n https://src.fedoraproject.org/rpms/ghc-stringbuilder.git /var/lib/mock/f33-build-183835-45562/root/chroot_tmpdir/scmroot/ghc-stringbuilder
Cloning into '/var/lib/mock/f33-build-183835-45562/root/chroot_tmpdir/scmroot/ghc-stringbuilder'...
$ git reset --hard 6fa25bc0f37fafc86bbae687509adaef1b735cce
HEAD is now at 6fa25bc refresh to cabal-rpm-2.0.2