Add support for customizing attributes on a target source file

Docs/ProjectSpec.md

@@ -326,6 +326,7 @@ A source can be provided via a string (the path) or an object of the form:
 	- `public`
 	- `private`
 	- `project`
+- [ ] **attributes**: **[String]** - Additional settings attributes for the file reference.
 
 ```yaml
 targets:

Sources/ProjectSpec/TargetSource.swift

@@ -14,6 +14,7 @@ public struct TargetSource: Equatable {
     public var buildPhase: BuildPhase?
     public var headerVisibility: HeaderVisibility?
     public var createIntermediateGroups: Bool?
+    public var attributes: [String]
 
     public enum HeaderVisibility: String {
         case `public`
@@ -126,7 +127,8 @@ public struct TargetSource: Equatable {
         optional: Bool = false,
         buildPhase: BuildPhase? = nil,
         headerVisibility: HeaderVisibility? = nil,
-        createIntermediateGroups: Bool? = nil
+        createIntermediateGroups: Bool? = nil,
+        attributes: [String] = []
     ) {
         self.path = path
         self.name = name
@@ -137,6 +139,7 @@ public struct TargetSource: Equatable {
         self.buildPhase = buildPhase
         self.headerVisibility = headerVisibility
         self.createIntermediateGroups = createIntermediateGroups
+        self.attributes = attributes
     }
 }
 
@@ -178,6 +181,7 @@ extension TargetSource: JSONObjectConvertible {
         }
 
         createIntermediateGroups = jsonDictionary.json(atKeyPath: "createIntermediateGroups")
+        attributes = jsonDictionary.json(atKeyPath: "attributes") ?? []
     }
 }
 

Sources/XcodeGenKit/SourceGenerator.swift

@@ -51,6 +51,7 @@ class SourceGenerator {
     func generateSourceFile(targetType: PBXProductType, targetSource: TargetSource, path: Path, buildPhase: TargetSource.BuildPhase? = nil) -> SourceFile {
         let fileReference = fileReferencesByPath[path.string.lowercased()]!
         var settings: [String: Any] = [:]
+        var attributes: [String] = targetSource.attributes
         var chosenBuildPhase: TargetSource.BuildPhase?
 
         let headerVisibility = targetSource.headerVisibility ?? .public
@@ -80,13 +81,17 @@ class SourceGenerator {
         if chosenBuildPhase == .headers {
             if headerVisibility != .project {
                 // Xcode doesn't write the default of project
-                settings["ATTRIBUTES"] = [headerVisibility.settingName]
+                attributes.append(headerVisibility.settingName)
             }
         }
         if chosenBuildPhase == .sources && targetSource.compilerFlags.count > 0 {
             settings["COMPILER_FLAGS"] = targetSource.compilerFlags.joined(separator: " ")
         }
 
+        if !attributes.isEmpty {
+            settings["ATTRIBUTES"] = attributes
+        }
+
         let buildFile = PBXBuildFile(file: fileReference, settings: settings.isEmpty ? nil : settings)
         return SourceFile(
             path: path,

Tests/XcodeGenKitTests/SourceGeneratorTests.swift

@@ -644,6 +644,38 @@ class SourceGeneratorTests: XCTestCase {
                 try pbxProj.expectFile(paths: ["../OtherDirectory", "Outside", "a.swift"], names: ["OtherDirectory", "Outside", "a.swift"], buildPhase: .sources)
                 try pbxProj.expectFile(paths: ["../OtherDirectory", "Outside", "Outside2", "b.swift"], names: ["OtherDirectory", "Outside", "Outside2", "b.swift"], buildPhase: .sources)
             }
+
+            $0.it("correctly adds target source attributes") {
+                let directories = """
+                A:
+                  - Intent.intentdefinition
+                """
+                try createDirectories(directories)
+
+                let definition: String = "Intent.intentdefinition"
+
+                let target = Target(name: "Test", type: .framework, platform: .iOS, sources: [
+                    TargetSource(path: "A/\(definition)", buildPhase: .sources, attributes: ["no_codegen"])
+                ])
+                let project = Project(basePath: directoryPath, name: "Test", targets: [target])
+
+                let pbxProj = try project.generatePbxProj()
+
+                let fileReference = pbxProj.getFileReference(
+                    paths: ["A", definition],
+                    names: ["A", definition]
+                )
+                guard let buildFile = pbxProj.buildFiles
+                    .first(where: { $0.file == fileReference }) else {
+                    throw failure("Cant find build file")
+                }
+
+                try pbxProj.expectFile(paths: ["A", definition], buildPhase: .sources)
+
+                if (buildFile.settings! as NSDictionary) != (["ATTRIBUTES": ["no_codegen"]] as NSDictionary) {
+                    throw failure("File does not contain no_codegen attribute")
+                }
+            }
         }
     }
 }