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nixos/console: fix Before= on the systemd-vconsole-setup unit #106787

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merged 1 commit into from
Jan 2, 2021

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@flokli flokli commented Dec 12, 2020

Only set Before=display-manager.service if it is actually present.

On headless systems, systemctl list-units --state not-found will
otherwise show display-manager.service.

Reported-In: #88597

Manually ran a VM with some headless system via the test driver and verified it doesn't show up later anymore.

Motivation for this change
Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.

Only set Before=display-manager.service if it is actually present.

On headless systems, `systemctl list-units --state not-found` will
otherwise show display-manager.service.

Reported-In: NixOS#88597
@ofborg ofborg bot added 6.topic: nixos Issues or PRs affecting NixOS modules, or package usability issues specific to NixOS 8.has: module (update) This PR changes an existing module in `nixos/` 10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin 10.rebuild-linux: 1-10 labels Dec 12, 2020
@flokli flokli merged commit 88738dd into NixOS:master Jan 2, 2021
@flokli flokli deleted the console-optional-display-manager branch January 2, 2021 10:04
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6.topic: nixos Issues or PRs affecting NixOS modules, or package usability issues specific to NixOS 8.has: module (update) This PR changes an existing module in `nixos/` 10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin 10.rebuild-linux: 1-10
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