fix: case-sensitive packs for linux platforms, remove empty bios placeholder

database.json

@@ -1,6 +1,6 @@
 {
-  "generated_at": "2026-03-26T12:17:17Z",
+  "generated_at": "2026-03-27T11:57:57Z",
-  "total_files": 6748,
+  "total_files": 6747,
   "total_size": 5505760050,
   "files": {
     "520d3d1b5897800af47f92efd2444a26b7a7dead": {
@@ -573,16 +573,6 @@
       "crc32": "665cd50f",
       "adler32": "39cd4d98"
     },
-    "da39a3ee5e6b4b0d3255bfef95601890afd80709": {
-      "path": "bios/Apple/Apple II/disk2-13boot.rom",
-      "name": "disk2-13boot.rom",
-      "size": 0,
-      "sha1": "da39a3ee5e6b4b0d3255bfef95601890afd80709",
-      "md5": "d41d8cd98f00b204e9800998ecf8427e",
-      "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
-      "crc32": "00000000",
-      "adler32": "00000001"
-    },
     "afd060e6f35faf3bb0146fa889fc787adf56330a": {
       "path": "bios/Apple/Apple II/disk2-13seq.rom",
       "name": "disk2-13seq.rom",
@@ -67543,7 +67533,6 @@
       "ba89edf2729a28a17cd9e0f7a0ac9a39": "bc32bc0e8902946663998f56aea52be597d9e361",
       "8f7ee14ccca8ae3dd8c759497af3f09b": "799e2fc90d6bfd8cb74e331e04d5afd36f2f21a1",
       "d3bef2755267a941f264fb5b288e3076": "e8c40d3a44a41a9b6b5dd3a993d7057b3bfb4086",
-      "d41d8cd98f00b204e9800998ecf8427e": "da39a3ee5e6b4b0d3255bfef95601890afd80709",
       "4f80448507cf43ab40c17ac08d89e278": "afd060e6f35faf3bb0146fa889fc787adf56330a",
       "5f1be0c1cdff26f5956eef9643911886": "bc39fbd5b9a8d2287ac5d0a42e639fc4d3c2f9d4",
       "c835eab06842e3c1d6e2e7dc19289828": "a57f14469867ce0d0865995a645b69f41a0ea718",
@@ -74405,9 +74394,6 @@
         "e8c40d3a44a41a9b6b5dd3a993d7057b3bfb4086",
         "5ba8555f716bd48834858d8a7f42810ab7293b12"
       ],
-      "disk2-13boot.rom": [
-        "da39a3ee5e6b4b0d3255bfef95601890afd80709"
-      ],
       "disk2-13seq.rom": [
         "afd060e6f35faf3bb0146fa889fc787adf56330a"
       ],
@@ -95646,7 +95632,6 @@
       "de7ddf29": "bc32bc0e8902946663998f56aea52be597d9e361",
       "4f923a35": "799e2fc90d6bfd8cb74e331e04d5afd36f2f21a1",
       "665cd50f": "e8c40d3a44a41a9b6b5dd3a993d7057b3bfb4086",
-      "00000000": "da39a3ee5e6b4b0d3255bfef95601890afd80709",
       "d34eb2ff": "afd060e6f35faf3bb0146fa889fc787adf56330a",
       "b72a2c70": "bc39fbd5b9a8d2287ac5d0a42e639fc4d3c2f9d4",
       "6105d2ee": "a57f14469867ce0d0865995a645b69f41a0ea718",

platforms/retroarch.yml

@@ -7,6 +7,7 @@ base_destination: system
 cores: all_libretro
 hash_type: sha1
 verification_mode: existence
+case_insensitive_fs: true
 systems:
   3do:
     files:

platforms/retrobat.yml

@@ -5,6 +5,7 @@ source: "https://raw.githubusercontent.com/RetroBat-Official/emulatorlauncher/ma
 base_destination: bios
 hash_type: md5
 verification_mode: md5
+case_insensitive_fs: true
 cores:
   - 81
   - a5200

scripts/generate_pack.py

@@ -250,11 +250,16 @@ def generate_pack(
     zip_path = os.path.join(output_dir, zip_name)
     os.makedirs(output_dir, exist_ok=True)
 
+    # Case-insensitive dedup only for platforms targeting Windows/macOS.
+    # Linux-only platforms (Batocera, Recalbox, RetroDECK, Lakka, RomM)
+    # are case-sensitive and may have distinct files like DISK.ROM vs disk.rom.
+    case_insensitive = config.get("case_insensitive_fs", False)
+
     total_files = 0
     missing_files = []
     user_provided = []
     seen_destinations: set[str] = set()
-    seen_lower: set[str] = set()  # case-insensitive dedup for Windows/macOS
+    seen_lower: set[str] = set()  # only used when case_insensitive=True
     # Per-file status: worst status wins (missing > untested > ok)
     file_status: dict[str, str] = {}
     file_reasons: dict[str, str] = {}
@@ -293,7 +298,7 @@ def generate_pack(
                     full_dest = dest
 
                 dedup_key = full_dest
-                already_packed = dedup_key in seen_destinations or dedup_key.lower() in seen_lower
+                already_packed = dedup_key in seen_destinations or (case_insensitive and dedup_key.lower() in seen_lower)
 
                 storage = file_entry.get("storage", "embedded")
 
@@ -301,7 +306,8 @@ def generate_pack(
                     if already_packed:
                         continue
                     seen_destinations.add(dedup_key)
-                    seen_lower.add(dedup_key.lower())
+                    if case_insensitive:
+                        seen_lower.add(dedup_key.lower())
                     file_status.setdefault(dedup_key, "ok")
                     instructions = file_entry.get("instructions", "Please provide this file manually.")
                     instr_name = f"INSTRUCTIONS_{file_entry['name']}.txt"
@@ -326,7 +332,8 @@ def generate_pack(
                             else:
                                 zf.write(tmp_path, full_dest)
                             seen_destinations.add(dedup_key)
-                            seen_lower.add(dedup_key.lower())
+                            if case_insensitive:
+                                seen_lower.add(dedup_key.lower())
                             file_status.setdefault(dedup_key, "ok")
                             total_files += 1
                         else:
@@ -401,7 +408,8 @@ def generate_pack(
                 if already_packed:
                     continue
                 seen_destinations.add(dedup_key)
-                seen_lower.add(dedup_key.lower())
+                if case_insensitive:
+                    seen_lower.add(dedup_key.lower())
 
                 extract = file_entry.get("extract", False)
                 if extract and local_path.endswith(".zip"):
@@ -437,7 +445,7 @@ def generate_pack(
             if full_dest in seen_destinations:
                 continue
             # Skip case-insensitive duplicates (Windows/macOS FS safety)
-            if full_dest.lower() in seen_lower:
+            if full_dest.lower() in seen_lower and case_insensitive:
                 continue
 
             local_path, status = resolve_file(fe, db, bios_dir, zip_contents)
@@ -449,7 +457,8 @@ def generate_pack(
             else:
                 zf.write(local_path, full_dest)
             seen_destinations.add(full_dest)
-            seen_lower.add(full_dest.lower())
+            if case_insensitive:
+                seen_lower.add(full_dest.lower())
             core_count += 1
             total_files += 1
 
@@ -479,10 +488,11 @@ def generate_pack(
                         src = os.path.join(root, fname)
                         rel = os.path.relpath(src, local_path)
                         full = f"{dd_prefix}/{rel}"
-                        if full in seen_destinations or full.lower() in seen_lower:
+                        if full in seen_destinations or full.lower() in seen_lower and case_insensitive:
                             continue
                         seen_destinations.add(full)
-                        seen_lower.add(full.lower())
+                        if case_insensitive:
+                            seen_lower.add(full.lower())
                         zf.write(src, full)
                         total_files += 1