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nixos/displayManager: add XDG_SESSION_ID to systemd user environment

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xss-lock needs XDG_SESSION_ID to respond to loginctl lock-session(s)
(and possibly other session operations such as idle hint management).
This change adds XDG_SESSION_ID to the list of imported environment
variables when starting systemctl.

Inspired by home-manager, add importVariables configuration.

Set session to XDG_SESSION_ID when running xss-lock as a service.

Co-authored-by: misuzu <bakalolka@gmail.com>
This commit is contained in:
Even Brenden
2020-07-24 13:41:24 +02:00
parent 48faedc336
commit 660882d883
2 changed files with 25 additions and 8 deletions
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2
nixos/modules/programs/xss-lock.nix
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@@ -34,7 +34,7 @@ in
partOf = [ "graphical-session.target" ];
serviceConfig.ExecStart = with lib;
strings.concatStringsSep " " ([
"${pkgs.xss-lock}/bin/xss-lock"
"${pkgs.xss-lock}/bin/xss-lock" "--session \${XDG_SESSION_ID}"
] ++ (map escapeShellArg cfg.extraOptions) ++ [
"--"
cfg.lockerCommand