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desktop manager service: fix and improve default error

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Before the error if the wrong default desktop was chosen would be:

/nixpkgs-channels/lib/modules.nix:282:11:
Default desktop manager ($(defaultDM)) not found.

which has the string interpolation done incorreclty. Now that is fixed
and it is more user-friendly as:

/nixpkgs-channels/lib/modules.nix:282:11:

Default desktop manager (gnome) not found.
Probably you want to change
  services.xserver.desktopManager.default = "gnome";
to one of
  services.xserver.desktopManager.default = "gnome3";
  services.xserver.desktopManager.default = "none";
This commit is contained in:
Ryan Mulligan 2016-01-31 12:57:47 -08:00
parent 698b14c1c9
commit 8fee229261
1 changed files with 7 additions and 1 deletions
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8
nixos/modules/services/x11/desktop-managers/default.nix
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@ -64,7 +64,13 @@ in
else if any (w: w.name == defaultDM) cfg.session.list then
defaultDM
else
throw "Default desktop manager ($(defaultDM)) not found.";
throw ''
Default desktop manager (${defaultDM}) not found.
Probably you want to change
services.xserver.desktopManager.default = "${defaultDM}";
to one of
${concatMapStringsSep "\n " (w: "services.xserver.desktopManager.default = \"${w.name}\";") cfg.session.list}
'';
};
};