Update to not generate suggestion if a file is git ignored

Author: intitni

Core/Sources/HostApp/DebugView.swift

@@ -16,6 +16,7 @@ final class DebugSettings: ObservableObject {
     var disableGitHubCopilotSettingsAutoRefreshOnAppear
     @AppStorage(\.useUserDefaultsBaseAPIKeychain) var useUserDefaultsBaseAPIKeychain
     @AppStorage(\.disableEnhancedWorkspace) var disableEnhancedWorkspace
+    @AppStorage(\.disableGitIgnoreCheck) var disableGitIgnoreCheck
     init() {}
 }
 
@@ -64,6 +65,10 @@ struct DebugSettingsView: View {
                         Text("Disable Enhanced Workspace")
                     }
 
+                    Toggle(isOn: $settings.disableGitIgnoreCheck) {
+                        Text("Disable Git Ignore Check")
+                    }
+                    
                     Button("Reset Migration Version to 0") {
                         UserDefaults.shared.set(nil, forKey: "OldMigrationVersion")
                     }

Tool/Sources/Workspace/Filespace.swift

@@ -1,5 +1,7 @@
+import Dependencies
 import Environment
 import Foundation
+import GitIgnoreCheck
 import SuggestionModel
 
 public protocol FilespacePropertyKey {
@@ -47,20 +49,34 @@ public struct FilespaceCodeMetadata: Equatable {
 
 @dynamicMemberLookup
 public final class Filespace {
+    struct GitIgnoreStatus {
+        var isIgnored: Bool
+        var checkTime: Date
+        var isExpired: Bool {
+            Environment.now().timeIntervalSince(checkTime) > 60 * 3
+        }
+    }
+
+    // MARK: Metadata
+
     public let fileURL: URL
     public private(set) lazy var language: CodeLanguage = languageIdentifierFromFileURL(fileURL)
     public var codeMetadata: FilespaceCodeMetadata = .init()
+
+    // MARK: Suggestions
+
+    public private(set) var suggestionIndex: Int = 0
     public internal(set) var suggestions: [CodeSuggestion] = [] {
         didSet { refreshUpdateTime() }
     }
 
-    public private(set) var suggestionIndex: Int = 0
-
     public var presentingSuggestion: CodeSuggestion? {
         guard suggestions.endIndex > suggestionIndex, suggestionIndex >= 0 else { return nil }
         return suggestions[suggestionIndex]
     }
 
+    // MARK: Life Cycle
+
     public var isExpired: Bool {
         Environment.now().timeIntervalSince(lastSuggestionUpdateTime) > 60 * 3
     }
@@ -70,6 +86,25 @@ public final class Filespace {
     let fileSaveWatcher: FileSaveWatcher
     let onClose: (URL) -> Void
 
+    // MARK: Git Ignore
+
+    private var gitIgnoreStatus: GitIgnoreStatus?
+    public var isGitIgnored: Bool {
+        get async {
+            @Dependency(\.gitIgnoredChecker) var gitIgnoredChecker
+            @Dependency(\.date) var date
+
+            if let gitIgnoreStatus = gitIgnoreStatus, !gitIgnoreStatus.isExpired {
+                return gitIgnoreStatus.isIgnored
+            }
+            let isIgnored = await gitIgnoredChecker.checkIfGitIgnored(fileURL: fileURL)
+            gitIgnoreStatus = .init(isIgnored: isIgnored, checkTime: date())
+            return isIgnored
+        }
+    }
+
+    // MARK: Methods
+
     deinit {
         onClose(fileURL)
     }

Tool/Sources/WorkspaceSuggestionService/Workspace+SuggestionService.swift

@@ -34,6 +34,8 @@ public extension Workspace {
         refreshUpdateTime()
 
         let filespace = createFilespaceIfNeeded(fileURL: fileURL)
+        
+        guard await filespace.isGitIgnored else { return [] }
 
         if !editor.uti.isEmpty {
             filespace.codeMetadata.uti = editor.uti