Share one Steam game library across multiple Linux users with fully isolated Proton prefixes. Uses bubblewrap to create a per-user kernel overlay on /opt/steam/steamapps/compatdata/ so game files stay shared while Proton prefixes are isolated per user, with no compatibility tool selection or per-game configuration required. Includes: - steam-shared launcher that sets up the per-user overlay and execs Steam inside a bwrap mount namespace - activate/uninstall scripts plus an add-user helper for steamshare group membership - permission watcher (steam-fix-perms.path/.service) to keep ACLs correct under pressure-vessel's restrictive mode bits - .desktop override that routes the system Steam launcher through steam-shared - Nix flake exposing activate, uninstall, and add-user packages - design doc and implementation plan covering the approach
47 lines
1.0 KiB
Desktop File
47 lines
1.0 KiB
Desktop File
[Desktop Entry]
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Name=Steam
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Comment=Application for managing and playing games on Steam
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Exec=steam-shared %U
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Icon=steam
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Terminal=false
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Type=Application
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Categories=Network;FileTransfer;Game;
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MimeType=x-scheme-handler/steam;x-scheme-handler/steamlink;
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Actions=Store;Community;Library;Servers;Screenshots;News;Settings;BigPicture;Friends;
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[Desktop Action Store]
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Name=Store
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Exec=steam-shared steam://store
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[Desktop Action Community]
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Name=Community
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Exec=steam-shared steam://url/SteamIDControlPage
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[Desktop Action Library]
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Name=Library
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Exec=steam-shared steam://open/games
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[Desktop Action Servers]
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Name=Servers
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Exec=steam-shared steam://open/servers
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[Desktop Action Screenshots]
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Name=Screenshots
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Exec=steam-shared steam://open/screenshots
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[Desktop Action News]
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Name=News
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Exec=steam-shared steam://open/news
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[Desktop Action Settings]
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Name=Settings
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Exec=steam-shared steam://open/settings
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[Desktop Action BigPicture]
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Name=Big Picture
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Exec=steam-shared steam://open/bigpicture
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[Desktop Action Friends]
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Name=Friends
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Exec=steam-shared steam://open/friends
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