feat: Swift registry support

examples/registry_example/.bazelrc

@@ -0,0 +1,10 @@
+# Import Shared settings
+import %workspace%/../../shared.bazelrc
+
+# Import CI settings.
+import %workspace%/../../ci.bazelrc
+
+# Try to import a local.rc file; typically, written by CI
+try-import %workspace%/../../local.bazelrc
+
+common --enable_bzlmod=false

examples/registry_example/BUILD.bazel

@@ -0,0 +1,35 @@
+load("@bazel_gazelle//:def.bzl", "gazelle", "gazelle_binary")
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_binary")
+load("@rules_swift_package_manager//swiftpkg:defs.bzl", "swift_update_packages")
+
+
+# MARK: - Gazelle
+
+# Ignore the Swift build folder
+# gazelle:exclude .build
+
+gazelle_binary(
+    name = "gazelle_bin",
+    languages = [
+        "@rules_swift_package_manager//gazelle",
+    ],
+)
+
+swift_update_packages(
+    name = "swift_update_pkgs",
+    gazelle = ":gazelle_bin",
+    swift_deps_index = "swift_packages_index.json",
+    generate_swift_deps_for_workspace = True,
+    update_bzlmod_stanzas = False,
+    update_bzlmod_use_repo_names = False,
+)
+
+swift_binary(
+    name = "registry_example",
+    srcs = ["main.swift"],
+    module_name = "registry_example",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@swiftpkg_apple.swift_collections//:Collections",
+    ]
+)

examples/registry_example/Package.resolved

@@ -0,0 +1,13 @@
+{
+  "pins" : [
+    {
+      "identity" : "apple.swift-collections",
+      "kind" : "registry",
+      "location" : "",
+      "state" : {
+        "version" : "1.1.0"
+      }
+    }
+  ],
+  "version" : 2
+}

examples/registry_example/Package.swift

@@ -0,0 +1,10 @@
+// swift-tools-version: 5.7
+
+import PackageDescription
+
+let package = Package(
+    name: "registry_example",
+    dependencies: [
+        .package(id: "apple.swift-collections", from: "1.1.0"),
+    ]
+)

examples/registry_example/README.md

@@ -0,0 +1 @@
+# registry Example

examples/registry_example/WORKSPACE

@@ -0,0 +1,61 @@
+workspace(name = "simple_example")
+
+local_repository(
+    name = "rules_swift_package_manager",
+    path = "../..",
+)
+
+load("@rules_swift_package_manager//:deps.bzl", "swift_bazel_dependencies")
+
+swift_bazel_dependencies()
+
+load("@cgrindel_bazel_starlib//:deps.bzl", "bazel_starlib_dependencies")
+
+bazel_starlib_dependencies()
+
+# MARK: - Gazelle
+
+# gazelle:repo bazel_gazelle
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies")
+load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
+load("@rules_swift_package_manager//:go_deps.bzl", "swift_bazel_go_dependencies")
+
+# Declare Go dependencies before calling go_rules_dependencies.
+swift_bazel_go_dependencies()
+
+go_rules_dependencies()
+
+go_register_toolchains(version = "1.21.1")
+
+gazelle_dependencies()
+
+# MARK: - Swift Toolchain
+
+http_archive(
+    name = "build_bazel_rules_swift",
+    sha256 = "bb01097c7c7a1407f8ad49a1a0b1960655cf823c26ad2782d0b7d15b323838e2",
+    url = "https://github.com/bazelbuild/rules_swift/releases/download/1.18.0/rules_swift.1.18.0.tar.gz",
+)
+
+load(
+    "@build_bazel_rules_swift//swift:repositories.bzl",
+    "swift_rules_dependencies",
+)
+
+swift_rules_dependencies()
+
+load(
+    "@build_bazel_rules_swift//swift:extras.bzl",
+    "swift_rules_extra_dependencies",
+)
+
+swift_rules_extra_dependencies()
+
+# MARK: - Swift Dependencies
+
+load("//:swift_deps.bzl", "swift_dependencies")
+
+# gazelle:repository_macro swift_deps.bzl%swift_dependencies
+swift_dependencies()

examples/registry_example/WORKSPACE.bzlmod

@@ -0,0 +1 @@
+# Intentionally blank: Force bzlmod to strict mode

examples/registry_example/do_test

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -o errexit -o nounset -o pipefail
+
+# Use the Bazel binary specified by the integration test. Otherise, fall back 
+# to bazel.
+bazel="${BIT_BAZEL_BINARY:-bazel}"
+
+# Generate Swift external deps and update build files
+"${bazel}" run //:tidy
+
+# Ensure that it builds and tests pass
+"${bazel}" test //...

examples/registry_example/main.swift

@@ -0,0 +1,6 @@
+import Collections
+
+var deque: Deque<String> = ["Ted", "Rebecca"]
+deque.prepend("Keeley")
+deque.append("Nathan")
+print(deque) // ["Keeley", "Ted", "Rebecca", "Nathan"]

examples/registry_example/swift_deps.bzl

@@ -0,0 +1,8 @@
+load("@rules_swift_package_manager//swiftpkg:defs.bzl", "swift_registry_package")
+
+def swift_dependencies():
+    swift_registry_package(
+        name = "swiftpkg_apple.swift_collections",
+        dependencies_index = "@//:swift_packages_index.json",
+        url = "https://artifactory.global.square/artifactory/api/swift/swift-test/apple/swift-collections/1.1.0.zip",
+    )

examples/registry_example/swift_packages_index.json

@@ -0,0 +1,154 @@
+{
+  "direct_dep_identities": [
+    "apple.swift-collections"
+  ],
+  "modules": [
+    {
+      "name": "BitCollections",
+      "c99name": "BitCollections",
+      "src_type": "swift",
+      "label": "@swiftpkg_apple.swift_collections//:BitCollections.rspm",
+      "package_identity": "apple.swift-collections",
+      "product_memberships": [
+        "BitCollections",
+        "Collections"
+      ]
+    },
+    {
+      "name": "Collections",
+      "c99name": "Collections",
+      "src_type": "swift",
+      "label": "@swiftpkg_apple.swift_collections//:Collections.rspm",
+      "package_identity": "apple.swift-collections",
+      "product_memberships": [
+        "Collections"
+      ]
+    },
+    {
+      "name": "DequeModule",
+      "c99name": "DequeModule",
+      "src_type": "swift",
+      "label": "@swiftpkg_apple.swift_collections//:DequeModule.rspm",
+      "package_identity": "apple.swift-collections",
+      "product_memberships": [
+        "DequeModule",
+        "Collections"
+      ]
+    },
+    {
+      "name": "HashTreeCollections",
+      "c99name": "HashTreeCollections",
+      "src_type": "swift",
+      "label": "@swiftpkg_apple.swift_collections//:HashTreeCollections.rspm",
+      "package_identity": "apple.swift-collections",
+      "product_memberships": [
+        "HashTreeCollections",
+        "Collections"
+      ]
+    },
+    {
+      "name": "HeapModule",
+      "c99name": "HeapModule",
+      "src_type": "swift",
+      "label": "@swiftpkg_apple.swift_collections//:HeapModule.rspm",
+      "package_identity": "apple.swift-collections",
+      "product_memberships": [
+        "HeapModule",
+        "Collections"
+      ]
+    },
+    {
+      "name": "OrderedCollections",
+      "c99name": "OrderedCollections",
+      "src_type": "swift",
+      "label": "@swiftpkg_apple.swift_collections//:OrderedCollections.rspm",
+      "package_identity": "apple.swift-collections",
+      "product_memberships": [
+        "OrderedCollections",
+        "Collections"
+      ]
+    },
+    {
+      "name": "_CollectionsUtilities",
+      "c99name": "_CollectionsUtilities",
+      "src_type": "swift",
+      "label": "@swiftpkg_apple.swift_collections//:_CollectionsUtilities.rspm",
+      "package_identity": "apple.swift-collections",
+      "product_memberships": [
+        "BitCollections",
+        "DequeModule",
+        "HashTreeCollections",
+        "HeapModule",
+        "OrderedCollections",
+        "_RopeModule",
+        "Collections"
+      ]
+    },
+    {
+      "name": "_RopeModule",
+      "c99name": "_RopeModule",
+      "src_type": "swift",
+      "label": "@swiftpkg_apple.swift_collections//:_RopeModule.rspm",
+      "package_identity": "apple.swift-collections",
+      "product_memberships": [
+        "_RopeModule",
+        "Collections"
+      ]
+    }
+  ],
+  "products": [
+    {
+      "identity": "apple.swift-collections",
+      "name": "BitCollections",
+      "type": "library",
+      "label": "@swiftpkg_apple.swift_collections//:BitCollections"
+    },
+    {
+      "identity": "apple.swift-collections",
+      "name": "Collections",
+      "type": "library",
+      "label": "@swiftpkg_apple.swift_collections//:Collections"
+    },
+    {
+      "identity": "apple.swift-collections",
+      "name": "DequeModule",
+      "type": "library",
+      "label": "@swiftpkg_apple.swift_collections//:DequeModule"
+    },
+    {
+      "identity": "apple.swift-collections",
+      "name": "HashTreeCollections",
+      "type": "library",
+      "label": "@swiftpkg_apple.swift_collections//:HashTreeCollections"
+    },
+    {
+      "identity": "apple.swift-collections",
+      "name": "HeapModule",
+      "type": "library",
+      "label": "@swiftpkg_apple.swift_collections//:HeapModule"
+    },
+    {
+      "identity": "apple.swift-collections",
+      "name": "OrderedCollections",
+      "type": "library",
+      "label": "@swiftpkg_apple.swift_collections//:OrderedCollections"
+    },
+    {
+      "identity": "apple.swift-collections",
+      "name": "_RopeModule",
+      "type": "library",
+      "label": "@swiftpkg_apple.swift_collections//:_RopeModule"
+    }
+  ],
+  "packages": [
+    {
+      "name": "swiftpkg_apple.swift_collections",
+      "identity": "apple.swift-collections",
+      "remote": {
+        "commit": "",
+        "remote": "",
+        "version": "1.1.0"
+      }
+    }
+  ]
+}

gazelle/internal/spdump/dependency.go

@@ -11,13 +11,17 @@ import (
 type Dependency struct {
 	SourceControl *SourceControl `json:"sourceControl"`
 	FileSystem    *FileSystem    `json:"fileSystem"`
+	Registry      *Registry      `json:"registry"`
 }
 
 // Identity returns the value that identifies the external dependency in the manifest.
 func (d *Dependency) Identity() string {
 	if d.SourceControl != nil {
 		return d.SourceControl.Identity
 	}
+	if d.Registry != nil {
+		return d.Registry.Identity
+	}
 	return ""
 }
 
@@ -167,3 +171,22 @@ func (fs *FileSystem) UnmarshalJSON(b []byte) error {
 	fs.Path = rawFS.Path
 	return nil
 }
+
+type reg struct {
+	Identity string
+}
+
+type Registry struct {
+	Identity string
+}
+
+func (r *Registry) UnmarshalJSON(b []byte) error {
+	var raw []*reg
+	err := json.Unmarshal(b, &raw)
+	if err != nil {
+		return err
+	}
+	rawRegistry := raw[0]
+	r.Identity = rawRegistry.Identity
+	return nil
+}