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check-swift-format.sh
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#!/bin/bash
##===----------------------------------------------------------------------===##
##
## This source file is part of the SwiftNIO open source project
##
## Copyright (c) 2024 Apple Inc. and the SwiftNIO project authors
## Licensed under Apache License v2.0
##
## See LICENSE.txt for license information
## See CONTRIBUTORS.txt for the list of SwiftNIO project authors
##
## SPDX-License-Identifier: Apache-2.0
##
##===----------------------------------------------------------------------===##
set -euo pipefail
log() { printf -- "** %s\n" "$*" >&2; }
error() { printf -- "** ERROR: %s\n" "$*" >&2; }
fatal() { error "$@"; exit 1; }
if [[ -f .swiftformatignore ]]; then
log "Found swiftformatignore file..."
log "Running swift format format..."
tr '\n' '\0' < .swiftformatignore| xargs -0 -I% printf '":(exclude)%" '| xargs git ls-files -z '*.swift' | xargs -0 swift format format --parallel --in-place
log "Running swift format lint..."
tr '\n' '\0' < .swiftformatignore | xargs -0 -I% printf '":(exclude)%" '| xargs git ls-files -z '*.swift' | xargs -0 swift format lint --strict --parallel
else
log "Running swift format format..."
git ls-files -z '*.swift' | xargs -0 swift format format --parallel --in-place
log "Running swift format lint..."
git ls-files -z '*.swift' | xargs -0 swift format lint --strict --parallel
fi
log "Checking for modified files..."
GIT_PAGER='' git diff --exit-code '*.swift'
log "✅ Found no formatting issues."