Remove AppleDouble resource fork files from font_files

Files starting with _ that are AppleDouble metadata (not real fonts)
were being included in casks, causing Font Book issues. Deleted 57
such files from font_files/ and added detection to the cleanup script
to prevent them in the future.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.fontfoldercleanup/cleanup_font_folders.py

@@ -33,11 +33,26 @@ class FontFolderCleaner:
 
     def move_file_to_correct_directory(self, file_path, folder_path):
         """Move file to the appropriate subdirectory."""
-        if file_path.name == '.DS_Store':
+        if file_path.name == '.DS_Store' or file_path.name.startswith('._'):
             file_path.unlink()
-            print(f"Removed .DS_Store file: {file_path}")
+            print(f"Removed macOS metadata file: {file_path}")
             return
 
+        # Remove AppleDouble resource fork files (start with _ and aren't real fonts)
+        if file_path.name.startswith('_') and file_path.suffix.lower() in (
+            '.ttf', '.otf', '.ttc', '.woff', '.woff2', '.eot', '.svg',
+        ):
+            # Check if it's an AppleDouble file by reading magic bytes
+            try:
+                with open(file_path, 'rb') as f:
+                    magic = f.read(4)
+                if magic == b'\x00\x05\x16\x07':  # AppleDouble magic number
+                    file_path.unlink()
+                    print(f"Removed AppleDouble resource fork: {file_path}")
+                    return
+            except OSError:
+                pass
+
         target_dir = self.get_target_directory(file_path)
         target_path = folder_path / target_dir / file_path.name
         

Casks/font-clancy.rb

@@ -10,6 +10,5 @@ cask "font-clancy" do
   name "Clancy"
   homepage "http://clancy.genet-godzilla.ts.net:8085/Fonts/homebrew-fonts"
 
-  font "homebrew-fonts/font_files/font-clancy/otf/_clancy-free.otf"
   font "homebrew-fonts/font_files/font-clancy/otf/clancy-free.otf"
 end

Casks/font-idgrotesk.rb

@@ -10,20 +10,6 @@ cask "font-idgrotesk" do
   name "Idgrotesk"
   homepage "http://clancy.genet-godzilla.ts.net:8085/Fonts/homebrew-fonts"
 
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-bold.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-bolditalic.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-book.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-bookitalic.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-italic.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-light.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-lightitalic.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-medium.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-mediumitalic.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-regular.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-semibold.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-semibolditalic.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-thin.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/ttf/_idgrotesktrial-thinitalic.ttf"
   font "homebrew-fonts/font_files/font-idgrotesk/ttf/idgrotesktrial-bold.ttf"
   font "homebrew-fonts/font_files/font-idgrotesk/ttf/idgrotesktrial-bolditalic.ttf"
   font "homebrew-fonts/font_files/font-idgrotesk/ttf/idgrotesktrial-book.ttf"
@@ -38,20 +24,6 @@ cask "font-idgrotesk" do
   font "homebrew-fonts/font_files/font-idgrotesk/ttf/idgrotesktrial-semibolditalic.ttf"
   font "homebrew-fonts/font_files/font-idgrotesk/ttf/idgrotesktrial-thin.ttf"
   font "homebrew-fonts/font_files/font-idgrotesk/ttf/idgrotesktrial-thinitalic.ttf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-bold.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-bolditalic.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-book.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-bookitalic.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-italic.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-light.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-lightitalic.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-medium.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-mediumitalic.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-regular.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-semibold.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-semibolditalic.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-thin.otf"
-  font "homebrew-fonts/font_files/font-idgrotesk/otf/_idgrotesktrial-thinitalic.otf"
   font "homebrew-fonts/font_files/font-idgrotesk/otf/idgrotesktrial-bold.otf"
   font "homebrew-fonts/font_files/font-idgrotesk/otf/idgrotesktrial-bolditalic.otf"
   font "homebrew-fonts/font_files/font-idgrotesk/otf/idgrotesktrial-book.otf"