$ git clone -n https://src.fedoraproject.org/rpms/ghc-happstack-server.git /var/lib/mock/f31-build-100214-33237/root/chroot_tmpdir/scmroot/ghc-happstack-server
Cloning into '/var/lib/mock/f31-build-100214-33237/root/chroot_tmpdir/scmroot/ghc-happstack-server'...
$ git reset --hard c92127f89cebfff38c7e8d58ca5ca79100413b28
HEAD is now at c92127f BR prof for lib and static for executable