fix license

Author: sebsto

.github/workflows/pull_request.yaml

@@ -13,7 +13,8 @@ jobs:
     name: Soundness
     uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
     with:
-      license_header_check_project_name: "Swift OpenAPI Lambda"
+      # do not use SwiftLang's license header check because the copyright for this project is Amazon.com + contributors
+      license_header_check_enabled: false
       shell_check_enabled: false
       python_lint_check_enabled: false
       api_breakage_check_container_image: "swift:6.0-noble"

scripts/check-license-header.sh

@@ -0,0 +1,99 @@
+#!/bin/bash
+##===----------------------------------------------------------------------===##
+##
+## This source file is part of the Swift OpenAPI Lambda open source project
+##
+## Copyright (c) 2023 Amazon.com, Inc. or its affiliates
+##                    and the Swift OpenAPI Lambda project authors
+## Licensed under Apache License v2.0
+##
+## See LICENSE.txt for license information
+## See CONTRIBUTORS.txt for the list of Swift OpenAPI Lambda project authors
+##
+## SPDX-License-Identifier: Apache-2.0
+##
+##===----------------------------------------------------------------------===##
+
+# ===----------------------------------------------------------------------===//
+#
+# This source file is part of the Swift.org open source project
+#
+# Copyright (c) 2024 Apple Inc. and the Swift project authors
+# Licensed under Apache License v2.0 with Runtime Library Exception
+#
+# See https://swift.org/LICENSE.txt for license information
+# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+#
+# ===----------------------------------------------------------------------===//
+
+set -euo pipefail
+
+log() { printf -- "** %s\n" "$*" >&2; }
+error() { printf -- "** ERROR: %s\n" "$*" >&2; }
+fatal() { error "$@"; exit 1; }
+
+test -n "${PROJECT_NAME:-}" || fatal "PROJECT_NAME unset"
+
+expected_file_header_template="@@===----------------------------------------------------------------------===@@
+@@
+@@ This source file is part of the ${PROJECT_NAME} open source project
+@@
+@@ Copyright (c) YEARS Amazon.com, Inc. or its affiliates
+@@                    and the ${PROJECT_NAME} project authors
+@@ Licensed under Apache License v2.0
+@@
+@@ See LICENSE.txt for license information
+@@ See CONTRIBUTORS.txt for the list of ${PROJECT_NAME} project authors
+@@
+@@ SPDX-License-Identifier: Apache-2.0
+@@
+@@===----------------------------------------------------------------------===@@"
+
+paths_with_missing_license=( )
+
+file_paths=$(tr '\n' '\0' < .licenseignore | xargs -0 -I% printf '":(exclude)%" '| xargs git ls-files)
+
+while IFS= read -r file_path; do
+  file_basename=$(basename -- "${file_path}")
+  file_extension="${file_basename##*.}"
+
+  # shellcheck disable=SC2001 # We prefer to use sed here instead of bash search/replace
+  case "${file_extension}" in
+    swift) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    h) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    c) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    sh) expected_file_header=$(cat <(echo '#!/bin/bash') <(sed -e 's|@@|##|g' <<<"${expected_file_header_template}")) ;;
+    kts) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    gradle) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    groovy) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    java) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    py) expected_file_header=$(cat <(echo '#!/usr/bin/env python3') <(sed -e 's|@@|##|g' <<<"${expected_file_header_template}")) ;;
+    rb) expected_file_header=$(cat <(echo '#!/usr/bin/env ruby') <(sed -e 's|@@|##|g' <<<"${expected_file_header_template}")) ;;
+    in) expected_file_header=$(sed -e 's|@@|##|g' <<<"${expected_file_header_template}") ;;
+    cmake) expected_file_header=$(sed -e 's|@@|##|g' <<<"${expected_file_header_template}") ;;
+    *)
+      error "Unsupported file extension ${file_extension} for file (exclude or update this script): ${file_path}"
+      paths_with_missing_license+=("${file_path} ")
+      ;;
+  esac
+  expected_file_header_linecount=$(wc -l <<<"${expected_file_header}")
+
+  file_header=$(head -n "${expected_file_header_linecount}" "${file_path}")
+  normalized_file_header=$(
+    echo "${file_header}" \
+    | sed -e 's/20[12][0123456789]-20[12][0123456789]/YEARS/' -e 's/20[12][0123456789]/YEARS/' \
+  )
+
+  if ! diff -u \
+    --label "Expected header" <(echo "${expected_file_header}") \
+    --label "${file_path}" <(echo "${normalized_file_header}")
+  then
+    paths_with_missing_license+=("${file_path} ")
+  fi
+done <<< "$file_paths"
+
+if [ "${#paths_with_missing_license[@]}" -gt 0 ]; then
+  fatal "❌ Found missing license header in files: ${paths_with_missing_license[*]}."
+fi
+
+log "✅ Found no files with missing license header."

scripts/generate-contributors-list.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 ##===----------------------------------------------------------------------===##
 ##
 ## This source file is part of the Swift OpenAPI Lambda open source project