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 |

patches/steamify-os-release.hook

@@ -1,15 +1,14 @@
 # Installed by Steamify CachyOS (SteamOS conversion): runs after
-# cachyos-hooks' lsb-release/cachyos-branding hooks (hooks run in file name
+# cachyos-hooks' os-release/cachyos-branding hooks (hooks run in file name
 # order).
 [Trigger]
 Operation = Install
 Operation = Upgrade
 Type = Package
 Target = filesystem
-Target = lsb-release
 Target = cachyos-hooks
 
 [Action]
-Description = Steamify: the OS name Steam shows (CachyOS with Steamify)
+Description = Steamify: the OS variant and version Steam shows
 When = PostTransaction
 Exec = @SCRIPT@

patches/steamify-os-release.sh

@@ -1,11 +1,11 @@
 #!/bin/sh
 # Installed by Steamify CachyOS (SteamOS conversion): what Steam shows in its
-# System settings. The OS name is `lsb_release -d` (DISTRIB_DESCRIPTION in
-# /etc/lsb-release); the version comes from /etc/os-release's VARIANT and
-# VERSION_ID. CachyOS's hooks reset lsb-release on updates of lsb-release and
-# cachyos-hooks; the zz-steamify-os-release hook runs this after them.
-# os-release's NAME and PRETTY_NAME stay CachyOS's: limine-snapper-sync finds
-# the boot entries by the OS name.
-sed -i 's|^DISTRIB_DESCRIPTION=.*$|DISTRIB_DESCRIPTION="CachyOS with Steamify"|' /etc/lsb-release
-sed -i -e '/^VARIANT=/d' -e '/^VARIANT_ID=/d' -e '/^VERSION_ID=/d' /etc/os-release
-printf '%s\n' 'VARIANT="Steamify"' 'VARIANT_ID=steamify' 'VERSION_ID=@VERSION@' >> /etc/os-release
+# System settings besides the OS name, which stays CachyOS's: Steamify as the
+# variant and version, and the SteamOS release it follows as the codename
+# (/etc/os-release's VARIANT, VERSION_ID, VERSION_CODENAME). NAME and
+# PRETTY_NAME are never touched: limine-snapper-sync finds the boot entries by
+# the OS name. The zz-steamify-os-release hook runs this after cachyos-hooks.
+sed -i -e '/^VARIANT=/d' -e '/^VARIANT_ID=/d' -e '/^VERSION_ID=/d' -e '/^VERSION_CODENAME=/d' /etc/os-release
+printf '%s\n' 'VARIANT="Steamify @VERSION@"' 'VARIANT_ID=steamify' 'VERSION_ID=@VERSION@' >> /etc/os-release
+[ -n "@CODENAME@" ] && echo 'VERSION_CODENAME=@CODENAME@' >> /etc/os-release
+exit 0