Add docker compose files and scripts for CI

NOTICE.txt

@@ -0,0 +1,35 @@
+
+                            The SwiftASN1 Project
+                            =====================
+
+Please visit the SwiftASN1 web site for more information:
+
+  * https://github.com/apple/swift-asn1
+
+Copyright 2022 The SwiftASN1 Project
+
+The SwiftASN1 Project licenses this file to you under the Apache License,
+version 2.0 (the "License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at:
+
+  https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+License for the specific language governing permissions and limitations
+under the License.
+
+Also, please refer to each LICENSE.txt file, which is located in
+the 'license' directory of the distribution file, for the license terms of the
+components that this product depends on.
+
+---
+
+This product contains derivations of various scripts from SwiftNIO.
+
+  * LICENSE (Apache License 2.0):
+    * https://www.apache.org/licenses/LICENSE-2.0
+  * HOMEPAGE:
+    * https://github.com/apple/swift-nio
+

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.6
+// swift-tools-version:5.7
 //===----------------------------------------------------------------------===//
 //
 // This source file is part of the SwiftCrypto open source project

docker/Dockerfile

@@ -0,0 +1,17 @@
+ARG swift_version=5.7
+ARG ubuntu_version=jammy
+ARG base_image=swift:$swift_version-$ubuntu_version
+FROM $base_image
+# needed to do again after FROM due to docker limitation
+ARG swift_version
+ARG ubuntu_version
+
+# set as UTF-8
+RUN apt-get update && apt-get install -y locales locales-all
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US.UTF-8
+
+# tools
+RUN mkdir -p $HOME/.tools
+RUN echo 'export PATH="$HOME/.tools:$PATH"' >> $HOME/.profile

docker/docker-compose.2204.57.yaml

@@ -0,0 +1,19 @@
+version: "3"
+
+services:
+
+  runtime-setup:
+    image: swift-asn1:22.04-5.7
+    build:
+      args:
+        ubuntu_version: "jammy"
+        swift_version: "5.7"
+
+  test:
+    image: swift-asn1:22.04-5.7
+    environment:
+      - WARN_AS_ERROR_ARG=-Xswiftc -warnings-as-errors
+      # - SANITIZER_ARG=--sanitize=thread # TSan broken still
+
+  shell:
+    image: swift-asn1:22.04-5.7

docker/docker-compose.2204.main.yaml

@@ -0,0 +1,19 @@
+version: "3"
+
+services:
+
+  runtime-setup:
+    image: swift-asn1:22.04-main
+    build:
+      args:
+        base_image: "swiftlang/swift:nightly-main-jammy"
+
+  test:
+    image: swift-asn1:22.04-main
+    environment:
+      - WARN_AS_ERROR_ARG=-Xswiftc -warnings-as-errors
+      - IMPORT_CHECK_ARG=--explicit-target-dependency-import-check error
+      # - SANITIZER_ARG=--sanitize=thread # TSan broken still
+
+  shell:
+    image: swift-asn1:22.04-main

docker/docker-compose.yaml

@@ -0,0 +1,34 @@
+# this file is not designed to be run directly
+# instead, use the docker-compose.<os>.<swift> files
+# eg docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.2204.57.yaml run test
+version: "3"
+
+services:
+
+  runtime-setup:
+    image: swift-asn1:default
+    build:
+      context: .
+      dockerfile: Dockerfile
+
+  common: &common
+    image: swift-asn1:default
+    depends_on: [runtime-setup]
+    volumes:
+      - ~/.ssh:/root/.ssh
+      - ..:/code:z
+    working_dir: /code
+
+  soundness:
+    <<: *common
+    command: /bin/bash -xcl "swift -version && uname -a && ./scripts/soundness.sh"
+
+  test:
+    <<: *common
+    command: /bin/bash -xcl "swift $${SWIFT_TEST_VERB-test} $${WARN_AS_ERROR_ARG-} $${SANITIZER_ARG-} $${IMPORT_CHECK_ARG-}"
+
+  # util
+
+  shell:
+    <<: *common
+    entrypoint: /bin/bash

scripts/check_no_api_breakages.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+##===----------------------------------------------------------------------===##
+##
+## This source file is part of the SwiftASN1 open source project
+##
+## Copyright (c) 2022 Apple Inc. and the SwiftASN1 project authors
+## Licensed under Apache License v2.0
+##
+## See LICENSE.txt for license information
+## See CONTRIBUTORS.txt for the list of SwiftASN1 project authors
+##
+## SPDX-License-Identifier: Apache-2.0
+##
+##===----------------------------------------------------------------------===##
+##===----------------------------------------------------------------------===##
+##
+## This source file is part of the SwiftNIO open source project
+##
+## Copyright (c) 2017-2020 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 -eu
+
+function usage() {
+    echo >&2 "Usage: $0 REPO-GITHUB-URL NEW-VERSION OLD-VERSIONS..."
+    echo >&2
+    echo >&2 "This script requires a Swift 5.2+ toolchain."
+    echo >&2
+    echo >&2 "Examples:"
+    echo >&2
+    echo >&2 "Check between main and tag 2.1.1 of swift-asn1:"
+    echo >&2 "  $0 https://github.com/apple/swift-asn1 main 2.1.1"
+    echo >&2
+    echo >&2 "Check between HEAD and commit 64cf63d7 using the provided toolchain:"
+    echo >&2 "  xcrun --toolchain org.swift.5120190702a $0 ../some-local-repo HEAD 64cf63d7"
+}
+
+if [[ $# -lt 3 ]]; then
+    usage
+    exit 1
+fi
+
+tmpdir=$(mktemp -d /tmp/.check-api_XXXXXX)
+repo_url=$1
+new_tag=$2
+shift 2
+
+repodir="$tmpdir/repo"
+git clone "$repo_url" "$repodir"
+git -C "$repodir" fetch -q origin '+refs/pull/*:refs/remotes/origin/pr/*'
+cd "$repodir"
+git checkout -q "$new_tag"
+
+for old_tag in "$@"; do
+    echo "Checking public API breakages from $old_tag to $new_tag"
+
+    swift package diagnose-api-breaking-changes "$old_tag"
+done
+
+echo done

scripts/generate_contributors_list.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+##===----------------------------------------------------------------------===##
+##
+## This source file is part of the SwiftASN1 open source project
+##
+## Copyright (c) 2022 Apple Inc. and the SwiftASN1 project authors
+## Licensed under Apache License v2.0
+##
+## See LICENSE.txt for license information
+## See CONTRIBUTORS.txt for the list of SwiftASN1 project authors
+##
+## SPDX-License-Identifier: Apache-2.0
+##
+##===----------------------------------------------------------------------===##
+##===----------------------------------------------------------------------===##
+##
+## This source file is part of the SwiftNIO open source project
+##
+## Copyright (c) 2017-2018 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 -eu
+here="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+contributors=$( cd "$here"/.. && git shortlog -es | cut -f2 | sed 's/^/- /' )
+
+cat > "$here/../CONTRIBUTORS.txt" <<- EOF
+	For the purpose of tracking copyright, this is the list of individuals and
+	organizations who have contributed source code to SwiftASN1.
+
+	For employees of an organization/company where the copyright of work done
+	by employees of that company is held by the company itself, only the company
+	needs to be listed here.
+
+	## COPYRIGHT HOLDERS
+
+	- Apple Inc. (all contributors with '@apple.com')
+
+	### Contributors
+
+	$contributors
+
+	**Updating this list**
+
+	Please do not edit this file manually. It is generated using \`./scripts/generate_contributors_list.sh\`. If a name is misspelled or appearing multiple times: add an entry in \`./.mailmap\`
+EOF