$ git clone -n https://src.fedoraproject.org/rpms/ghc-servant-server.git /var/lib/mock/f31-build-101085-33348/root/chroot_tmpdir/scmroot/ghc-servant-server
Cloning into '/var/lib/mock/f31-build-101085-33348/root/chroot_tmpdir/scmroot/ghc-servant-server'...
$ git reset --hard c57d241a78874d94a32bbd478f686842fe3a144a
HEAD is now at c57d241 BR prof for lib and static for executable