feat: Steam's System settings and About this System like on SteamOS: OS name, Steamify as OS variant and version, serial number and Wi-Fi backend on a Steam Machine

patches/README.md

@@ -13,4 +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=...`) |
 | `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

@@ -0,0 +1,15 @@
+# Installed by Steamify CachyOS (SteamOS conversion): runs after
+# cachyos-hooks' lsb-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)
+When = PostTransaction
+Exec = @SCRIPT@

patches/steamify-os-release.sh

@@ -0,0 +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