55 lines
1.5 KiB
Bash
Executable File
55 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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##===----------------------------------------------------------------------===##
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##
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## This source file is part of the SwiftNIO open source project
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##
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## Copyright (c) 2017-2020 Apple Inc. and the SwiftNIO project authors
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## Licensed under Apache License v2.0
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##
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## See LICENSE.txt for license information
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## See CONTRIBUTORS.txt for the list of SwiftNIO project authors
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##
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## SPDX-License-Identifier: Apache-2.0
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##
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##===----------------------------------------------------------------------===##
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set -eu
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function usage() {
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echo >&2 "Usage: $0 REPO-GITHUB-URL NEW-VERSION OLD-VERSIONS..."
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echo >&2
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echo >&2 "This script requires a Swift 5.2+ toolchain."
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echo >&2
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echo >&2 "Examples:"
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echo >&2
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echo >&2 "Check between main and tag 2.1.1 of swift-nio:"
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echo >&2 " $0 https://github.com/apple/swift-nio main 2.1.1"
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echo >&2
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echo >&2 "Check between HEAD and commit 64cf63d7 using the provided toolchain:"
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echo >&2 " xcrun --toolchain org.swift.5120190702a $0 ../some-local-repo HEAD 64cf63d7"
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}
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if [[ $# -lt 3 ]]; then
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usage
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exit 1
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fi
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tmpdir=$(mktemp -d /tmp/.check-api_XXXXXX)
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repo_url=$1
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new_tag=$2
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shift 2
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repodir="$tmpdir/repo"
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git clone "$repo_url" "$repodir"
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git -C "$repodir" fetch -q origin '+refs/pull/*:refs/remotes/origin/pr/*'
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cd "$repodir"
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git checkout -q "$new_tag"
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for old_tag in "$@"; do
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echo "Checking public API breakages from $old_tag to $new_tag"
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swift package diagnose-api-breaking-changes "$old_tag"
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done
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echo done
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