$ git clone -n https://src.fedoraproject.org/rpms/ghc-pem.git /var/lib/mock/f33-build-124786-39704/root/chroot_tmpdir/scmroot/ghc-pem
Cloning into '/var/lib/mock/f33-build-124786-39704/root/chroot_tmpdir/scmroot/ghc-pem'...
$ git reset --hard c86bd78fb9956f4fec47b5ac3158b8c5d349dabe
HEAD is now at c86bd78 refresh to cabal-rpm-2.0.2