1#!/bin/bash
2
3# Licensed to the Apache Software Foundation (ASF) under one
4# or more contributor license agreements.  See the NOTICE file
5# distributed with this work for additional information
6# regarding copyright ownership.  The ASF licenses this file
7# to you under the Apache License, Version 2.0 (the
8# "License"); you may not use this file except in compliance
9# with the License.  You may obtain a copy of the License at
10#
11#   http://www.apache.org/licenses/LICENSE-2.0
12#
13# Unless required by applicable law or agreed to in writing,
14# software distributed under the License is distributed on an
15# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16# KIND, either express or implied.  See the License for the
17# specific language governing permissions and limitations
18# under the License.
19
20set -xe
21
22##########################################
23# move to project root
24cd "$(dirname "$0")"
25
26##########################################
27# install rustup and stable Rust if needed
28if command -v rustup &>/dev/null ; then
29	rustup install stable
30else
31	curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
32	source "$HOME/.cargo/env"
33fi
34
35# Ensure the toolchain, components, and targets we've specified in
36# rust-toolchain.toml are ready to go. Since that file sets rustup's default
37# toolchain for the entire directory, all we need to do is run any
38# rustup-wrapped command to trigger installation. We've arbitrarily chosen
39# "cargo --version" since it has no other effect.
40cargo --version >/dev/null
41