Enforce LF when packing

.utils/ext/asset_packer.py

@@ -45,6 +45,10 @@ def convert_bmx(img: "Image.Image | pathlib.Path") -> bytes:
     return data
 
 
+def copy_file_as_lf(src: "pathlib.Path", dst: "pathlib.Path"):
+    dst.write_bytes(src.read_bytes().replace(b"\r\n", b"\n"))
+
+
 def pack_anim(src: pathlib.Path, dst: pathlib.Path):
     if not (src / "meta.txt").is_file():
         return
@@ -53,7 +57,7 @@ def pack_anim(src: pathlib.Path, dst: pathlib.Path):
         if not frame.is_file():
             continue
         if frame.name == "meta.txt":
-            shutil.copyfile(frame, dst / frame.name)
+            copy_file_as_lf(frame, dst / frame.name)
         elif frame.name.startswith("frame_"):
             if frame.suffix == ".png":
                 (dst / frame.with_suffix(".bm").name).write_bytes(convert_bm(frame))
@@ -145,7 +149,7 @@ def pack(
 
         if (source / "Anims/manifest.txt").exists():
             (packed / "Anims").mkdir(parents=True, exist_ok=True)
-            shutil.copyfile(
+            copy_file_as_lf(
                 source / "Anims/manifest.txt", packed / "Anims/manifest.txt"
             )
             manifest = (source / "Anims/manifest.txt").read_bytes()