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#!/bin/bash
# Copyright 2019 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Run `cargo fmt` on all Rust code contained in crosvm. This is different from
# `cargo fmt --all` which formats multiple crates but a single workspace only.
# Crosvm consists of multiple workspaces.
#
# Usage:
#
# $ bin/fmt
#
# To print a diff and exit 1 if code is not formatted, but without changing any
# files, use:
#
# $ bin/fmt --check
#
set -euo pipefail
# Change into directory of script, which is crosvm/bin.
cd "$(dirname "${BASH_SOURCE[0]}")"
# Jump up to root directory of crosvm repo.
cd ..
# Keep track of whether any cargo fmt invocation exited with error.
EXIT=0
FIND_CARGO_TOMLS="$(find "$PWD" -name Cargo.toml)"
while read path_to_cargo_toml; do
cd "$(dirname "$path_to_cargo_toml")"
if grep --quiet '\[workspace\]' Cargo.toml; then
if ! cargo fmt --all -- "$@"; then
EXIT=1
fi
fi
done <<< "$FIND_CARGO_TOMLS"
exit $EXIT
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