feat: Steam's System settings: the OS name stays CachyOS (no renaming, also not in About this System), Steamify <version> as the variant, the SteamOS release it follows as the codename (steamos-3.9)

patches/README.md

@@ -13,5 +13,5 @@ read and reviewed on their own. `lib/*.sh` reads them with `patch_file
 | `steamify-fremont-poweroff.dkms.conf`, `steamify-cros-ec-cec.dkms.conf` | `lib/fremont-poweroff.sh`, `lib/cec.sh` | The DKMS modules' `dkms.conf` (`fill NAME=... VERSION=...`) |
 | `steam-shortcuts.py` | `lib/steam-game.sh` (Add as non-Steam game) | Reads and writes Steam's binary `shortcuts.vdf` (find, add or update, remove) |
 | `steamify-notifier.py` | `lib/update-notifier.sh` (Update notifications) | The daily check: notification and tray icon when there's a new release |
-| `steamify-os-release.sh`, `steamify-os-release.hook` | `lib/login-manager.sh` (SteamOS conversion) | Sets the OS name Steam shows ("CachyOS with Steamify": `DISTRIB_DESCRIPTION` in `/etc/lsb-release`, which `lsb_release -d` gives Steam; never `/etc/os-release`, whose `PRETTY_NAME` limine-snapper-sync needs); the pacman hook runs it again after cachyos-hooks resets it (`fill SCRIPT=...`) |
+| `steamify-os-release.sh`, `steamify-os-release.hook` | `lib/login-manager.sh` (SteamOS conversion) | Steamify as the OS variant and version, and the SteamOS release it follows as the codename, for Steam's System settings (`VARIANT`, `VERSION_ID`, `VERSION_CODENAME` in `/etc/os-release`; the OS name stays CachyOS's); the pacman hook runs it again after cachyos-hooks (`fill SCRIPT=... VERSION=... CODENAME=...`) |
 | `cros-ec-cec-single-port.patch` | `lib/cec.sh` (HDMI-CEC) | Makes Valve's Steam Machine CEC driver find amdgpu's HDMI port |