Move PluginConfiguration to its own file (#9233)

Author: plemarquand

Sources/SwiftBuildSupport/CMakeLists.txt

@@ -17,6 +17,7 @@ add_library(SwiftBuildSupport STATIC
   PackagePIFProjectBuilder+Products.swift
   PIF.swift
   PIFBuilder.swift
+  PluginConfiguration.swift
   SwiftBuildSystem.swift)
 target_link_libraries(SwiftBuildSupport PUBLIC
   Build

Sources/SwiftBuildSupport/PluginConfiguration.swift

@@ -0,0 +1,35 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift open source project
+//
+// Copyright (c) 2014-2025 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See http://swift.org/LICENSE.txt for license information
+// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+@_spi(SwiftPMInternal) import Basics
+@_spi(SwiftPMInternal) import SPMBuildCore
+
+public struct PluginConfiguration {
+    /// Entity responsible for compiling and running plugin scripts.
+    let scriptRunner: PluginScriptRunner
+
+    /// Directory where plugin intermediate files are stored.
+    let workDirectory: Basics.AbsolutePath
+
+    /// Whether to sandbox commands from build tool plugins.
+    let disableSandbox: Bool
+
+    public init(
+        scriptRunner: PluginScriptRunner,
+        workDirectory: Basics.AbsolutePath,
+        disableSandbox: Bool
+    ) {
+        self.scriptRunner = scriptRunner
+        self.workDirectory = workDirectory
+        self.disableSandbox = disableSandbox
+    }
+}

Sources/SwiftBuildSupport/SwiftBuildSystem.swift

@@ -174,27 +174,6 @@ private final class PlanningOperationDelegate: SWBPlanningOperationDelegate, Sen
     }
 }
 
-public struct PluginConfiguration {
-    /// Entity responsible for compiling and running plugin scripts.
-    let scriptRunner: PluginScriptRunner
-
-    /// Directory where plugin intermediate files are stored.
-    let workDirectory: Basics.AbsolutePath
-
-    /// Whether to sandbox commands from build tool plugins.
-    let disableSandbox: Bool
-
-    public init(
-        scriptRunner: PluginScriptRunner,
-        workDirectory: Basics.AbsolutePath,
-        disableSandbox: Bool
-    ) {
-        self.scriptRunner = scriptRunner
-        self.workDirectory = workDirectory
-        self.disableSandbox = disableSandbox
-    }
-}
-
 public final class SwiftBuildSystem: SPMBuildCore.BuildSystem {
     private let buildParameters: BuildParameters
     private let packageGraphLoader: () async throws -> ModulesGraph