Claude 5b494c3bc4 feat: opt-in per-platform subfolder scanning with non-destructive identity
Adds opt-in, per-platform subfolder scanning (closes #2050). When enabled
for a platform, RomM recurses that platform's subfolders and treats each
nested file as its own ROM, instead of collapsing a subfolder into one
multi-file ROM — so libraries organized into Hacks/, Translations/,
Homebrew/, etc. are scanned correctly.

Enable per platform in config.yml (default off, existing setups unaffected):

  scan:
    subfolders:
      nes: true                       # recurse every subfolder
      snes: ["Hacks", "Translations"] # recurse only these; keep others whole

Key difference from a naive path-identity approach: identity is reconciled
by content hash on scan. Moving or renaming a ROM between subfolders is
detected by its hash against a now-missing ROM and relocated in place, so
saves, play history, favorites and collection membership follow it. Falls
back to path identity when hashing is unavailable (skip_hash_calculation or
a non-hashable platform). A cheap size pre-filter avoids hashing every
newly-seen file (e.g. on first enable).

Details:
- Per-platform opt-in via scan.subfolders (fs_slug -> bool | list[str]); no
  DB schema change.
- Recursion skips hidden (dot-prefixed) folders, and keeps a folder whole as
  a single multi-file ROM when it holds a disc/playlist descriptor
  (.m3u/.cue/.gdi/.ccd/.toc) — covers cue+bin / multi-disc games.
- Path-based keying for the steady-state lookup (get_roms_by_fs_name and
  mark_missing_roms key on full path) so identically-named files in different
  subfolders stay distinct; the (platform_id, fs_name) index is non-unique.
- File resolution (download/delete/hash) uses the ROM's stored fs_path.
- Scan log flags entries that became "missing" because a folder is now
  recursed, so stale entries are easy to clean up.
- Frontend: the Files tab shows a ROM's on-disk Location (click-to-copy),
  built as a shared LocationChip mirroring HashChip's RTag-based pattern.
  New i18n keys added to all locales.

Tests: backend unit tests for recursion (collisions, hidden folders,
descriptor dirs kept whole, named-list form), full-path keying in
get_roms_by_fs_name / mark_missing_roms, and hash-based relocation.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Sk2dzM3K9qxWBdPAeGb7us
2026-06-21 20:46:50 +00:00
2026-04-15 19:20:17 -04:00
2025-07-03 23:37:00 -03:00
2024-05-21 19:22:14 -04:00
2026-06-07 09:16:50 -04:00
2026-06-07 13:03:23 -04:00
2024-02-11 16:41:36 +01:00
2026-04-01 20:49:08 -04:00
2024-07-09 13:43:14 +02:00
2026-06-20 16:21:20 +00:00

romm logo

A beautiful, powerful, self-hosted ROM manager and player.

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Overview

RomM (ROM Manager) allows you to scan, enrich, browse and play your game collection with a clean and responsive interface. With support for multiple platforms, various naming schemes, and custom tags, RomM is a must-have for anyone who plays on emulators.

Features

  • Scan and enhance your game library with metadata from IGDB, Screenscraper and MobyGames
  • Fetch custom artwork from SteamGridDB
  • Display your achievements from Retroachievements
  • Metadata available for 400+ platforms
  • Play games directly from the browser using EmulatorJS and RuffleRS
  • Share your library with friends with limited access and permissions
  • Official apps for Playnite, Android and CFWs
  • Supports multi-disk games, DLCs, mods, hacks, patches, and manuals
  • Parse and filter by tags in filenames
  • View, upload, update, and delete games from any modern web browser

Preview

🖥 Desktop 📱 Mobile
desktop preview mobile preview

Installation

To start using RomM, check out the Quick Start Guide in the docs. If you are having issues with RomM, please review the page for troubleshooting steps.

Contributing

To contribute to RomM, please check Contribution Guide.

Community

Here are a few projects maintained by members of our community. Please note that the RomM team does not regularly review their source code.

Mobile

Desktop

Handhelds

Other

[🔷] Official first-party app

Join us on Discord, where you can ask questions, submit ideas, get help, showcase your collection, and discuss RomM with other users.

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Technical Support

If you have any issues with RomM, please open an issue in this repository.

Financial Support

Consider supporting the development of this project on Open Collective. All funds will be used to cover the costs of hosting, development, and maintenance of RomM.

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Our Friends

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  • RetroDECK: Retro gaming on SteamOS and Linux
  • ES-DE Frontend: Emulator frontend for Linux, macOS and Windows
  • Gaseous: Another ROM manager with web-based emulator
  • Retrom: A centralized game library/collection management service
  • Drop: Steam-like experience for DRM-free games
  • LanCommander: Digital game platform for PC games
  • Steam ROM Manager: An app for managing ROMs in Steam

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A beautiful, powerful, self-hosted ROM manager and player.
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