$ git clone -n https://src.fedoraproject.org/rpms/ghc-megaparsec.git /var/lib/mock/f33-build-171117-43944/root/chroot_tmpdir/scmroot/ghc-megaparsec
Cloning into '/var/lib/mock/f33-build-171117-43944/root/chroot_tmpdir/scmroot/ghc-megaparsec'...
$ git reset --hard d7c23fa2c0760b73efa2d04a31da7b747d1e5a35
HEAD is now at d7c23fa rebuild