$ git clone -n https://src.fedoraproject.org/rpms/ghc-erf.git /var/lib/mock/f41-build-837609-159296/root/chroot_tmpdir/scmroot/ghc-erf
Cloning into '/var/lib/mock/f41-build-837609-159296/root/chroot_tmpdir/scmroot/ghc-erf'...
$ git reset --hard 9a78944bc8ad0913f600f1ad597715f06cdc99ed
HEAD is now at 9a78944 bump release