Update apple/swift

plugins/apple/swift/v1.33.3/.dockerignore

@@ -0,0 +1,3 @@
+*
+!Dockerfile
+!extramoduleimports.patch

plugins/apple/swift/v1.33.3/Dockerfile

@@ -0,0 +1,19 @@
+# syntax=docker/dockerfile:1.19
+FROM swift:6.2.0-bookworm AS build
+
+RUN apt-get update \
+ && apt-get install -y libstdc++-12-dev unzip
+COPY --link extramoduleimports.patch /app/extramoduleimports.patch
+WORKDIR /app
+RUN git clone --depth 1 --branch 1.33.3 https://github.com/apple/swift-protobuf --recursive
+WORKDIR /app/swift-protobuf
+RUN git apply /app/extramoduleimports.patch
+RUN swift build -c release --static-swift-stdlib -Xlinker -s
+
+FROM gcr.io/distroless/cc-debian12:latest@sha256:0000f9dc0290f8eaf0ecceafbc35e803649087ea7879570fbc78372df7ac649b AS base
+
+FROM scratch
+COPY --link --from=base / /
+COPY --link --from=build /app/swift-protobuf/.build/release/protoc-gen-swift .
+USER nobody
+ENTRYPOINT [ "/protoc-gen-swift" ]

plugins/apple/swift/v1.33.3/buf.plugin.yaml

@@ -0,0 +1,21 @@
+version: v1
+name: buf.build/apple/swift
+plugin_version: v1.33.3
+source_url: https://github.com/apple/swift-protobuf
+integration_guide_url: https://github.com/apple/swift-protobuf#getting-started
+description: Base types for Swift. Generates message and enum types.
+output_languages:
+  - swift
+registry:
+  swift:
+    deps:
+      - source: https://github.com/apple/swift-protobuf.git
+        package: swift-protobuf
+        swift_versions: [ ".v5", ".v6" ]
+        products: [ SwiftProtobuf ]
+        version: 1.33.3
+  opts:
+    - Visibility=Public
+    - FileNaming=PathToUnderscores
+spdx_license_id: Apache-2.0
+license_url: https://github.com/apple/swift-protobuf/blob/1.33.3/LICENSE.txt

plugins/apple/swift/v1.33.3/extramoduleimports.patch

@@ -0,0 +1,63 @@
+diff --git a/Sources/protoc-gen-swift/FileGenerator.swift b/Sources/protoc-gen-swift/FileGenerator.swift
+index f0cddb24..e5864211 100644
+--- a/Sources/protoc-gen-swift/FileGenerator.swift
++++ b/Sources/protoc-gen-swift/FileGenerator.swift
+@@ -149,6 +149,14 @@ class FileGenerator {
+             return
+         }
+
++        let neededCustomImports = generatorOptions.extraModuleImports
++        if !neededCustomImports.isEmpty {
++            p.print()
++            for i in neededCustomImports {
++                p.print("import \(i)\n")
++            }
++        }
++
+         p.print()
+         generateVersionCheck(printer: &p)
+
+diff --git a/Sources/protoc-gen-swift/GeneratorOptions.swift b/Sources/protoc-gen-swift/GeneratorOptions.swift
+index 3224e138..8bfc1ce5 100644
+--- a/Sources/protoc-gen-swift/GeneratorOptions.swift
++++ b/Sources/protoc-gen-swift/GeneratorOptions.swift
+@@ -64,6 +64,7 @@ class GeneratorOptions {
+         }
+     }
+
++    let extraModuleImports: [String]
+     let outputNaming: OutputNaming
+     let protoToModuleMappings: ProtoFileToModuleMappings
+     let visibility: Visibility
+@@ -74,6 +75,7 @@ class GeneratorOptions {
+     let visibilitySourceSnippet: String
+
+     init(parameter: any CodeGeneratorParameter) throws {
++        var externalModuleImports: [String] = []
+         var outputNaming: OutputNaming = .fullPath
+         var moduleMapPath: String?
+         var visibility: Visibility = .internal
+@@ -146,6 +148,15 @@ class GeneratorOptions {
+                         value: pair.value
+                     )
+                 }
++            case "ExtraModuleImports":
++                if !pair.value.isEmpty {
++                    externalModuleImports.append(pair.value)
++                } else {
++                    throw GenerationError.invalidParameterValue(
++                        name: pair.key,
++                        value: pair.value
++                    )
++                }
+             default:
+                 throw GenerationError.unknownParameter(name: pair.key)
+             }
+@@ -179,6 +190,7 @@ class GeneratorOptions {
+             visibilitySourceSnippet = "package "
+         }
+
++        self.extraModuleImports = externalModuleImports
+         self.experimentalStripNonfunctionalCodegen = experimentalStripNonfunctionalCodegen
+
+         switch (implementationOnlyImports, useAccessLevelOnImports) {

tests/testdata/buf.build/apple/swift/v1.33.3/eliza/plugin.sum

@@ -0,0 +1 @@
+h1:ep7eRBaCZYegnNuYt01ISHnPmoQQfYD3cOiayRryTIU=

tests/testdata/buf.build/apple/swift/v1.33.3/petapis/plugin.sum

@@ -0,0 +1 @@
+h1:R/ayfFL1UMZiBYEWqgTodlpaLgWs2i9TWcj0x/Y+98A=