From 14fd1d3e4f9429f11625106c8de37920cb316a75 Mon Sep 17 00:00:00 2001
From: Dayton Bobbitt <12210193+dayton-bobbitt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 11:41:59 -0600
Subject: [PATCH 1/2] Write failing test case

---
 .../Project/XcodeProjTests.swift              | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Tests/XcodeProjTests/Project/XcodeProjTests.swift b/Tests/XcodeProjTests/Project/XcodeProjTests.swift
index 3c8507d3e..dabb8348d 100644
--- a/Tests/XcodeProjTests/Project/XcodeProjTests.swift
+++ b/Tests/XcodeProjTests/Project/XcodeProjTests.swift
@@ -24,6 +24,25 @@ final class XcodeProjIntegrationTests: XCTestCase {
         try testReadWriteProducesNoDiff(from: iosProjectPath,
                                         initModel: XcodeProj.init(path:))
     }
+    
+    func test_write_includes_workspace_settings() throws {
+        // Define workspace settings that should be written
+        let workspaceSettings = WorkspaceSettings(buildSystem: .new, derivedDataLocationStyle: .default, autoCreateSchemes: false)
+
+        testWrite(from: iosProjectPath,
+                  initModel: { try? XcodeProj(path: $0) },
+                  modify: { project in
+                      project.sharedData?.workspaceSettings = workspaceSettings
+                      return project
+                  },
+                  assertion: {
+                      /**
+                       * Expect that the workspace settings read from file are equal to the
+                       * workspace settings we expected to write.
+                       */
+                      XCTAssertEqual($1.sharedData?.workspaceSettings, workspaceSettings)
+                  })
+    }
 
     // MARK: - Private
 

From 555621579ba61ca4711735866bc572da3b318aac Mon Sep 17 00:00:00 2001
From: Dayton Bobbitt <12210193+dayton-bobbitt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 11:42:23 -0600
Subject: [PATCH 2/2] Write WorkspaceSettings with XCSharedData

---
 Sources/XcodeProj/Project/WorkspaceSettings.swift |  6 ++++++
 Sources/XcodeProj/Project/XCSharedData.swift      | 15 +++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/Sources/XcodeProj/Project/WorkspaceSettings.swift b/Sources/XcodeProj/Project/WorkspaceSettings.swift
index 4cf306b57..c8f775735 100644
--- a/Sources/XcodeProj/Project/WorkspaceSettings.swift
+++ b/Sources/XcodeProj/Project/WorkspaceSettings.swift
@@ -153,3 +153,9 @@ public class WorkspaceSettings: Codable, Equatable, Writable {
         try path.write(data)
     }
 }
+
+extension WorkspaceSettings {
+    static func path(_ path: Path) -> Path {
+        path + "WorkspaceSettings.xcsettings"
+    }
+}
diff --git a/Sources/XcodeProj/Project/XCSharedData.swift b/Sources/XcodeProj/Project/XCSharedData.swift
index ffc8ee4e7..9469970c9 100644
--- a/Sources/XcodeProj/Project/XCSharedData.swift
+++ b/Sources/XcodeProj/Project/XCSharedData.swift
@@ -63,6 +63,7 @@ public final class XCSharedData: Equatable, Writable {
     public func write(path: Path, override: Bool) throws {
         try writeSchemes(path: path, override: override)
         try writeBreakpoints(path: path, override: override)
+        try writeWorkspaceSettings(path: path, override: override)
     }
 
     func writeSchemes(path: Path, override: Bool) throws {
@@ -91,6 +92,20 @@ public final class XCSharedData: Equatable, Writable {
         try debuggerPath.mkpath()
         try breakpoints.write(path: XCBreakpointList.path(debuggerPath), override: override)
     }
+    
+    func writeWorkspaceSettings(path: Path, override: Bool) throws {
+        /**
+         * We don't want to delete this path when `override` is `true` because
+         * that will delete everything in the folder, including schemes and breakpoints.
+         * Instead, just create the path if it doesn't exist and let the `write` method
+         * in `WorkspaceSettings` handle the override.
+         */
+        if !path.exists {
+            try path.mkpath()
+        }
+ 
+        try workspaceSettings?.write(path: WorkspaceSettings.path(path), override: override)
+    }
 }
 
 extension XCSharedData {