$ git clone -n https://src.fedoraproject.org/rpms/ghc-syb.git /var/lib/mock/f31-build-54847-28065/root/chroot_tmpdir/scmroot/ghc-syb
Cloning into '/var/lib/mock/f31-build-54847-28065/root/chroot_tmpdir/scmroot/ghc-syb'...
$ git reset --hard f26dab32c3fabed57e07d9fdf0ae3f1718f9c478
HEAD is now at f26dab3 refresh to cabal-rpm-0.13