feat Adds a test case for using swift-build

This new test should be able to build the example project added, it cannot right now due to errors in rspm around bundle accessors

Signed-off-by: Maxwell Elliott <maxwell@elliott.now>

Author: maxwellE

.gitignore

@@ -9,6 +9,7 @@ bazel-*
 **/.build
 **/Packages
 **/*.xcodeproj
+!examples/swift_build_example/swift-build-app/swift-build-app.xcodeproj
 **/xcuserdata/
 **/DerivedData/
 **/.swiftpm/config/registries.json

examples/example_infos.bzl

@@ -116,6 +116,7 @@ _timeouts = {
     "soto_example": "eternal",
     "vapor_example": "eternal",
     "xcmetrics_example": "eternal",
+    "swift_build_example": "eternal",
 }
 
 _default_enable_bzlmods = [True]
@@ -151,6 +152,7 @@ _macos_single_bazel_version_test_examples = [
     "tca_example",
     "symlink_example",
     "swift_package_registry_example",
+    "swift_build_example",
 ]
 
 _linux_single_bazel_version_test_examples = []

examples/swift_build_example/.bazelrc

@@ -0,0 +1,8 @@
+# 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

examples/swift_build_example/BUILD.bazel

@@ -0,0 +1,33 @@
+load("@bazel_gazelle//:def.bzl", "gazelle", "gazelle_binary")
+load("@cgrindel_bazel_starlib//bzltidy:defs.bzl", "tidy")
+
+tidy(
+    name = "tidy",
+    targets = [
+        ":update_build_files",
+    ],
+)
+
+# MARK: - Gazelle
+
+# Ignore the Swift build folder
+# gazelle:exclude .build
+
+gazelle_binary(
+    name = "gazelle_bin",
+    languages = [
+        "@bazel_skylib_gazelle_plugin//bzl",
+        "@swift_gazelle_plugin//gazelle",
+    ],
+)
+
+gazelle(
+    name = "update_build_files",
+    data = [
+        "@swift_deps_info//:swift_deps_index",
+    ],
+    extra_args = [
+        "-swift_dependency_index=$(location @swift_deps_info//:swift_deps_index)",
+    ],
+    gazelle = ":gazelle_bin",
+)

examples/swift_build_example/MODULE.bazel

@@ -0,0 +1,32 @@
+bazel_dep(
+    name = "rules_swift_package_manager",
+    version = "0.0.0",
+)
+local_path_override(
+    module_name = "rules_swift_package_manager",
+    path = "../..",
+)
+bazel_dep(name = "cgrindel_bazel_starlib", version = "0.25.2")
+
+bazel_dep(
+    name = "rules_swift",
+    version = "2.7.0",
+    repo_name = "build_bazel_rules_swift",
+)
+bazel_dep(name = "rules_apple", version = "3.20.1", repo_name = "build_bazel_rules_apple")
+
+swift_deps = use_extension(
+    "@rules_swift_package_manager//:extensions.bzl",
+    "swift_deps",
+)
+swift_deps.from_package(
+    declare_swift_deps_info = True,
+    resolved = "//:Package.resolved",
+    swift = "//:Package.swift",
+)
+use_repo(
+    swift_deps,
+    "swift_deps_info",  # This is generated by the ruleset.`.
+    "swift_package",
+    "swiftpkg_swift_build",
+)

examples/swift_build_example/Package.resolved

@@ -0,0 +1,10 @@
+// swift-tools-version: 6.0
+
+import PackageDescription
+
+let package = Package(
+    name: "swift_build_example",
+    dependencies: [
+        .package(url: "https://github.com/maxwellE/swift-build", branch: "maxwelle/bazel-poc"),
+    ]
+)

examples/swift_build_example/Package.swift

@@ -0,0 +1 @@
+# Intentionally blank: Using bzlmod

examples/swift_build_example/WORKSPACE

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

examples/swift_build_example/WORKSPACE.bzlmod

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -o errexit -o nounset -o pipefail
+
+script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" > /dev/null && pwd)"
+
+# Use the Bazel binary specified by the integration test. Otherise, fall back
+# to bazel.
+bazel="${BIT_BAZEL_BINARY:-bazel}"
+
+# Generate Swift external deps and update build files
+"${bazel}" run //:tidy
+
+# Ensure that it builds and tests pass
+"${bazel}" run @swiftpkg_swift_build//:swbuild -- build \
+    "${script_dir}/swift-build-app/swift-build-app.xcodeproj" \
+    --target swift-build-app