$ git clone -n https://src.fedoraproject.org/rpms/ghc-RSA.git /var/lib/mock/f31-build-99352-33152/root/chroot_tmpdir/scmroot/ghc-RSA
Cloning into '/var/lib/mock/f31-build-99352-33152/root/chroot_tmpdir/scmroot/ghc-RSA'...
$ git reset --hard 2d3171c4ddaf12a0730b48ccec284ec0602a6317
HEAD is now at 2d3171c BR prof for lib and static for executable