Franz Pletz 1e95e114e5
nixos/xsession: use graphical systemd user target
While systemd suggests using the pre-defined graphical-session user
target, I found that this interface is difficult to use. Additionally,
no other major distribution, even in their unstable versions, currently
use this mechanism.

The window or desktop manager is supposed to run in a systemd user service
which activates graphical-session.target and the user services that are
binding to this target. The issue is that we can't elegantly pass the
xsession environment to the window manager session, in particular
whereas the PassEnvironment option does work for DISPLAY, it for some
mysterious reason won't for PATH.

This commit implements a new graphical user target that works just like
default.target. Services which should be run in a graphical session just
need to declare wantedBy graphical.target. The graphical target will be
activated in the xsession before executing the window or display manager.

Fixes #17858.
2017-05-29 15:05:28 +02:00
2017-05-28 23:25:29 +01:00
2017-05-29 12:21:17 +02:00
2017-03-23 03:03:04 +01:00
2017-03-24 16:38:42 +00:00
2017-02-27 20:46:35 +01:00
2017-01-01 21:35:52 +01:00
2017-03-30 17:36:44 +02:00

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Nixpkgs is a collection of packages for the Nix package manager. It is periodically built and tested by the hydra build daemon as so-called channels. To get channel information via git, add nixpkgs-channels as a remote:

% git remote add channels git://github.com/NixOS/nixpkgs-channels.git

For stability and maximum binary package support, it is recommended to maintain custom changes on top of one of the channels, e.g. nixos-17.03 for the latest release and nixos-unstable for the latest successful build of master:

% git remote update channels
% git rebase channels/nixos-17.03

For pull-requests, please rebase onto nixpkgs master.

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