From 6301250cc16ba885997ade015fac37f718f02d15 Mon Sep 17 00:00:00 2001
From: Roland Kaibull <6277393+bubleg@users.noreply.github.com>
Date: Wed, 7 Oct 2026 05:33:51 +0200
Subject: [PATCH 1/2] fix: keep the sound library when Logic Pro or MainStage
 uses it

---
 Sources/removemacai/Storage.swift | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Sources/removemacai/Storage.swift b/Sources/removemacai/Storage.swift
index 59aa3fe..4c27988 100644
--- a/Sources/removemacai/Storage.swift
+++ b/Sources/removemacai/Storage.swift
@@ -38,6 +38,9 @@ enum Storage {
     ("pages", "Pages", []),
   ]
 
+  /// Apps that share GarageBand's sound library.
+  static let soundLibraryApps = ["Logic Pro", "Logic Pro X", "MainStage", "MainStage 3"]
+
   /// Finds what can go and how big it is. Slow on big caches; call it off the main thread.
   static func scan() -> [StorageItem] {
     var items: [StorageItem] = []
@@ -90,13 +93,16 @@ enum Storage {
       caveat: "Quit your apps first. Apple's own caches are left alone.",
       paths: children(home + "/Library/Caches").filter { !($0 as NSString).lastPathComponent.hasPrefix("com.apple.") }))
 
+    let sharing = soundLibraryApps.filter { FileManager.default.fileExists(atPath: "/Applications/\($0).app") }
     for app in appleApps {
       let path = "/Applications/\(app.app).app"
       guard FileManager.default.fileExists(atPath: path) else { continue }
+      let keepExtra = !app.extra.isEmpty && !sharing.isEmpty
       items.append(files(
         id: app.id, title: app.app,
         detail: "One of Apple's optional apps. It reinstalls free from the App Store.",
-        paths: [path] + app.extra.filter { FileManager.default.fileExists(atPath: $0) }))
+        caveat: keepExtra ? "Its sound library stays, because \(sharing.joined(separator: " and ")) uses it too." : nil,
+        paths: [path] + (keepExtra ? [] : app.extra.filter { FileManager.default.fileExists(atPath: $0) })))
     }
 
     var snapshots = StorageItem(

From 08ab59e5c91c9502dd052ef062fe7c1b3e65dd45 Mon Sep 17 00:00:00 2001
From: Roland Kaibull <6277393+bubleg@users.noreply.github.com>
Date: Wed, 7 Oct 2026 05:50:04 +0200
Subject: [PATCH 2/2] fix: find Logic Pro and MainStage wherever they are
 installed

---
 Sources/removemacai/SelfTest.swift |  3 +++
 Sources/removemacai/Storage.swift  | 14 +++++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/Sources/removemacai/SelfTest.swift b/Sources/removemacai/SelfTest.swift
index e260482..d284653 100644
--- a/Sources/removemacai/SelfTest.swift
+++ b/Sources/removemacai/SelfTest.swift
@@ -217,6 +217,9 @@ func selfTest() -> Bool {
     program: "/Library/PrivilegedHelperTools/dev.orbstack.OrbStack.privhelper", system: true)
   check(script.owner == "sync.sh" && helper.owner == "OrbStack", "background items are named after what they run")
 
+  check(Storage.soundLibraryUsers(["com.apple.finder": "Finder", "com.example.missing": "Missing"]) == ["Finder"],
+    "apps that share the sound library are found by bundle identifier")
+
   print(failed == 0 ? Term.green("all checks passed") : Term.red("\(failed) failed"))
   return failed == 0
 }
diff --git a/Sources/removemacai/Storage.swift b/Sources/removemacai/Storage.swift
index 4c27988..a327216 100644
--- a/Sources/removemacai/Storage.swift
+++ b/Sources/removemacai/Storage.swift
@@ -1,3 +1,4 @@
+import AppKit
 import Foundation
 
 /// Space RemoveMacAI can give back. Files go to the Trash, so nothing is
@@ -38,8 +39,15 @@ enum Storage {
     ("pages", "Pages", []),
   ]
 
-  /// Apps that share GarageBand's sound library.
-  static let soundLibraryApps = ["Logic Pro", "Logic Pro X", "MainStage", "MainStage 3"]
+  /// Apps that share GarageBand's sound library, by bundle identifier.
+  static let soundLibraryApps = ["com.apple.logic10": "Logic Pro", "com.apple.mainstage3": "MainStage"]
+
+  /// The sound library apps installed anywhere Launch Services knows of,
+  /// including an external disk.
+  static func soundLibraryUsers(_ apps: [String: String] = soundLibraryApps) -> [String] {
+    apps.filter { !NSWorkspace.shared.urlsForApplications(withBundleIdentifier: $0.key).isEmpty }
+      .map(\.value).sorted()
+  }
 
   /// Finds what can go and how big it is. Slow on big caches; call it off the main thread.
   static func scan() -> [StorageItem] {
@@ -93,7 +101,7 @@ enum Storage {
       caveat: "Quit your apps first. Apple's own caches are left alone.",
       paths: children(home + "/Library/Caches").filter { !($0 as NSString).lastPathComponent.hasPrefix("com.apple.") }))
 
-    let sharing = soundLibraryApps.filter { FileManager.default.fileExists(atPath: "/Applications/\($0).app") }
+    let sharing = soundLibraryUsers()
     for app in appleApps {
       let path = "/Applications/\(app.app).app"
       guard FileManager.default.fileExists(atPath: path) else { continue }