check_all_toolchains_tested.sh

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#!/usr/bin/env bash

# Copyright 2024 The Fuchsia Authors

# Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0

# <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT

# license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.

# This file may not be copied, modified, or distributed except according to

# those terms.

set -eo pipefail

# Check whether the set of toolchains tested in this file (other than

# 'msrv', 'stable', and 'nightly') is equal to the set of toolchains

# listed in the 'package.metadata.build-rs' section of Cargo.toml.

# If the inputs to `diff` are not identical, `diff` exits with a

# non-zero error code, which causes this script to fail (thanks to

# `set -e`).

diff \

  <(cat .github/workflows/ci.yml | yq '.jobs.build_test.strategy.matrix.toolchain | .[]' | \

    sort -u | grep -v '^\(msrv\|stable\|nightly\)$') \

  <(cargo metadata -q --format-version 1 | \

    jq -r ".packages[] | select(.name == \"zerocopy\").metadata.\"build-rs\" | keys | .[]" | \

    sort -u) >&2