$ git clone -n https://src.fedoraproject.org/rpms/ghc-mwc-random.git /var/lib/mock/f33-build-184328-45654/root/chroot_tmpdir/scmroot/ghc-mwc-random
Cloning into '/var/lib/mock/f33-build-184328-45654/root/chroot_tmpdir/scmroot/ghc-mwc-random'...
$ git reset --hard a20fcaf235810b1a25355d893a7a704fb674eb57
HEAD is now at a20fcaf refresh to cabal-rpm-2.0.2