See issue #77: Starting to create some files - but hard to download f…

…rom Homebrew

- Need to have a Swift compilation working, so we can build locally

pants-plugins/experimental/swift/lint/BUILD

@@ -0,0 +1,4 @@
+# Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+python_sources()

pants-plugins/experimental/swift/lint/swiftformat/BUILD

@@ -0,0 +1,9 @@
+# Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+python_tests(
+    name="tests",
+    overrides={
+        "rules_integration_test.py": {"timeout": 240},
+    },
+)

pants-plugins/experimental/swift/lint/swiftformat/skip_field.py

@@ -0,0 +1,24 @@
+# Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+from __future__ import annotations
+
+from typing import Iterable
+
+from experimental.swift.target_types import SwiftSourcesGeneratorTarget, SwiftSourceTarget
+from pants.engine.rules import Rule
+from pants.engine.target import BoolField
+from pants.engine.unions import UnionRule
+
+
+class SkipSwiftFormatField(BoolField):
+    alias = "skip_swift_format"
+    default = False
+    help = "If true, don't run swift-format on this target's code."
+
+
+def rules() -> Iterable[Rule | UnionRule]:
+    return (
+        SwiftSourcesGeneratorTarget.register_plugin_field(SkipSwiftFormatField),
+        SwiftSourceTarget.register_plugin_field(SkipSwiftFormatField),
+    )