123 lines
3.3 KiB
Bash
Executable File
123 lines
3.3 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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# repodir
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function all_modules() {
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local repodir="$1"
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(
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set -eu
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cd "$repodir"
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swift package dump-package | jq '.products |
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map(select(.type | has("library") )) |
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map(.name) | .[]' | tr -d '"'
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)
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}
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# repodir tag output
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function build_and_do() {
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local repodir=$1
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local tag=$2
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local output=$3
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(
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cd "$repodir"
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git checkout -q "$tag"
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swift build
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while read -r module; do
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swift api-digester -sdk "$sdk" -dump-sdk -module "$module" \
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-o "$output/$module.json" -I "$repodir/.build/debug"
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done < <(all_modules "$repodir")
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)
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}
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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 5.1+ 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 [[ $# -lt 3 ]]; then
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usage
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exit 1
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fi
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sdk=/
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if [[ "$(uname -s)" == Darwin ]]; then
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sdk=$(xcrun --show-sdk-path)
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fi
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hash jq 2> /dev/null || { echo >&2 "ERROR: jq must be installed"; exit 1; }
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tmpdir=$(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 "$repodir" fetch -q origin '+refs/pull/*:refs/remotes/origin/pr/*'
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errors=0
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for old_tag in "$@"; do
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mkdir "$tmpdir/api-old"
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mkdir "$tmpdir/api-new"
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echo "Checking public API breakages from $old_tag to $new_tag"
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build_and_do "$repodir" "$new_tag" "$tmpdir/api-new/"
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build_and_do "$repodir" "$old_tag" "$tmpdir/api-old/"
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for f in "$tmpdir/api-new"/*; do
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f=$(basename "$f")
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report="$tmpdir/$f.report"
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if [[ ! -f "$tmpdir/api-old/$f" ]]; then
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echo "NOTICE: NEW MODULE $f"
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continue
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fi
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echo -n "Checking $f... "
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swift api-digester -sdk "$sdk" -diagnose-sdk \
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--input-paths "$tmpdir/api-old/$f" -input-paths "$tmpdir/api-new/$f" 2>&1 \
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> "$report" 2>&1
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if ! shasum "$report" | grep -q cefc4ee5bb7bcdb7cb5a7747efa178dab3c794d5; then
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echo ERROR
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echo >&2 "=============================="
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echo >&2 "ERROR: public API change in $f"
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echo >&2 "=============================="
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cat >&2 "$report"
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errors=$(( errors + 1 ))
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else
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echo OK
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fi
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done
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rm -rf "$tmpdir/api-new" "$tmpdir/api-old"
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done
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if [[ "$errors" == 0 ]]; then
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echo "OK, all seems good"
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fi
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echo done
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exit "$errors"
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