Add version

Author: intitni

Tool/Sources/Workspace/Filespace.swift

@@ -121,6 +121,9 @@ public final class Filespace {
             return isIgnored
         }
     }
+    
+    @WorkspaceActor
+    public private(set) var version: Int = 0
 
     // MARK: Methods
 
@@ -181,5 +184,10 @@ public final class Filespace {
             suggestionIndex = suggestions.endIndex - 1
         }
     }
+    
+    @WorkspaceActor
+    public func bumpVersion() {
+        version += 1
+    }
 }
 

Tool/Sources/Workspace/Workspace.swift

@@ -150,6 +150,7 @@ public final class Workspace {
     public func didUpdateFilespace(fileURL: URL, content: String) {
         refreshUpdateTime()
         guard let filespace = filespaces[fileURL] else { return }
+        filespace.bumpVersion()
         filespace.refreshUpdateTime()
         for plugin in plugins.values {
             plugin.didUpdateFilespace(filespace, content: content)