Just made lutris2steam.sh:

#!/bin/bash
for lutrisgame in $(lutris -l|awk -F '|' '{print $3}'); do
  while true; do
    read -p "$(echo "Do you want to add "$lutrisgame" to steam (y/n) ? ")" yn
    case $yn in
      [Yy]* ) stl addnonsteamgame --appname="Lutris-$lutrisgame" --exepath=/usr/bin/lutris --launchoptions="lutris:rungame/$lutrisgame" --iconpath=/usr/share/icons/lutris.png ; break;;
      [Nn]* ) echo "Skip."; break;;
      * ) print_error "Please answer y or n.";;
      esac
    done
    echo "---- NEXT ----"
done

Close steam, install something under lutris, start lutris2steam.sh.
For every installed lutris game, it will ask you if you want to add the game to steam; makes sense if you want to do an initial copy; for the subsequent ones, it is more convenient to use stl instead.
"Lutris" is prepended to the game name so that one can filter it in the steam library search box.
/usr/share/icons/lutris.png is selected as a generic icon for every game.

Do you want to add neverball to steam (y/n) ? y

mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - === Adding new non-steam game ===
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - AppID: '3772376587'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - App Name: 'Lutris-neverball'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - Exe Path: '"/usr/bin/lutris"'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - Start Dir: '"/usr/bin"'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - Icon Path: '/usr/share/icons/lutris.png'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - Launch options: 'lutris:rungame/neverball'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - Is Hidden: '0'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - Allow Desktop Config: '1'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - Allow Overlay: '1'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - OpenVR: '0'
mer 13 ott 2021, 13:17:21, CEST INFO - addNonSteamGame - Tags: ''
---- NEXT ----

Tools needed:
bash,awk,steamtinkerlaunch.

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Quoting: rustybroomhandleWait, is there now an easy "Add to Steam" option, or does one still need to go through the process of manually adding a non-Steam app from within Steam?

EDIT: Nope, it's still this whole spiel.

Quote1. Make sure you're in Steam Desktop mode (not Big Picture Mode)
2. Select Games -> Add a non-Steam game to my Library
3. Click Browse, filter by file type of All Files, and the find the executable of lutris
4. Right click on the new "lutris" shortcut and select Properties
5. Rename the title to the name of the game you would like to add. For example: SuperTux
6. Set the launch options to lutris:rungame/supertux, where supertux is the slug of the game, found in the URL of the game on the Lutris website
7. Add an icon from either Steam Banners or TheGamesDB

A pity. This can be a one-click thing.

Untested:
https://github.com/podiki/steamtinkerlaunch/wiki/Add-Non-Steam-Game

Going to test right now :)

-EDIT-
Steem needs to be (re)started after using the command, steam doesn't need to be running while running the following (example):
stl addnonsteamgame --appname=MyEpicGame --exepath=/usr/bin/kwrite --iconpath=/usr/share/icons/hicolor/128x128/apps/emacs.png

One step closer, now we need something to list games installed in lutris and we can start scripting a loop for it, going to think about it...

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Quoting: CFWhitmanI suspect that there are legal obstacles to them shipping protonGE, or they would already make it available through Steam.

That was the first thing i asked about:

Quoting: kokoko3kAre there licensing issues i'm not aware of?

Quoting: Comandante ÑoñardoEverytime that somebody suggest to install a WMF patch with a link included, Kisak delete it because is a "legally problematic workaround"

Thanks :)

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Quoting: dxmn

Quoting: kokoko3k

Quoting: dxmnHopefully Valve adds an easy way to implement GE's Proton into the steam deck. There are already tools like protonup that automate the aforementioned 5 minute process

Why?
If Valve wants you to use ProtonGE, the straightforward way is to ship it by default alongside "vanilla" Proton.
Are there licensing issues i'm not aware of?

I feel that most people who buy the deck are looking for a simple handheld comparable to the switch or something alike, and wouldn't want to go as far as to open the shell or change to a desktop environment in order to use it, or wouldn't be confident that they wouldn't break something along the way.

What i say is that Valve doesn't need to add anything to implement (nor to implement anything).
All the implementation is already there; Valve just need to ship protonGE alongside Vanilla Proton.

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Quoting: CatKiller

Quoting: kokoko3kIf we assume that the enormous effort Valve made for Linux gaming was finalized to the Steam machines first and the Deck now

It wasn't. They aren't making anywhere near enough units for the Steam Deck to be a console platform, and they're (still) perfectly happy for other OEMs to make gaming machines with Linux on. The Steam Deck is a demonstration device, not an end point.

Heheh, sounds nice, i must admit.

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Quoting: BielFPsThe fact that they don't need to is the key point, remember that most of the profit from steam comes from Windows users so Valve isn't losing anything from developers not supporting Proton.

They would lose the investment made for Proton (hence, the Deck).
I don't think it isn't that much.

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Quoting: ripper81358The out of the box experience will be the crucial point here. But even a failed steamdeck will bring better gaming to linux on the desktop, so i am quiet happy with how things develop right now.

If we assume that the enormous effort Valve made for Linux gaming was finalized to the Steam machines first and the Deck now (i never trusted the hypotesis of the Windows store threat), then you say well:"right now" is the key.
If the Deck will fail, Linux gaming will follow shortly, and badly.

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Quoting: dxmnHopefully Valve adds an easy way to implement GE's Proton into the steam deck. There are already tools like protonup that automate the aforementioned 5 minute process

Why?
If Valve wants you to use ProtonGE, the straightforward way is to ship it by default alongside "vanilla" Proton.
Are there licensing issues i'm not aware of?

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OT:
Is there a way to inject FSR in games that do not support it natively, maybe through vkBasalt?

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QuoteOne concern seems to be how hot it got after playing Cyberpunk. Not a very realistic game to be playing on High settings on the Steam Deck though.

But this is not a Deck+Cyberpunk specific issue.
Every game that will squeeze the squeezable out of the Deck would have that issue.
I can't read chinese, but i think every game in that list exposed the problem (still, 42 is not that much as long as the deck can keep working without throttling and the handles are fine).

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