Print draft pages

WebsiteGenerator/Files/FileSystem.swift

@@ -57,6 +57,11 @@ final class FileSystem {
      */
     private var emptyPages: Set<String> = []
 
+    /**
+     All pages which have `status` set to ``PageState.draft``
+     */
+    private var draftPages: Set<String> = []
+
     /**
      All paths to page element folders, indexed by their unique id.
 
@@ -427,9 +432,23 @@ final class FileSystem {
         guard !emptyPages.isEmpty else {
             return
         }
-        log.add(info: "\(emptyPages.count) empty pages:", source: "Files")
+        print("\(emptyPages.count) empty pages:")
         for page in emptyPages.sorted() {
-            log.add(info: "\(page) has no content", source: "Files")
+            print("  " + page)
+        }
+    }
+
+    func isDraft(path: String) {
+        draftPages.insert(path)
+    }
+
+    func printDraftPages() {
+        guard !draftPages.isEmpty else {
+            return
+        }
+        print("\(draftPages.count) drafts:")
+        for page in draftPages.sorted() {
+            print("  " + page)
         }
     }