nixos: Fix eval error for documentation.nixos
Introduced by 0f3b89bbed
.
If services.nixosManual.showManual is enabled and
documentation.nixos.enable is not, there is no
config.system.build.manual available, so evaluation fails. For example
this is the case for the installer tests.
There is however an assertion which should catch exactly this, but it
isn't thrown because the usage of config.system.build.manual is
evaluated earlier than the assertions.
So I split the assertion off into a separate mkIf to make sure it is
shown appropriately and also fixed the installation-device profile to
enable documentation.nixos.
Signed-off-by: aszlig <aszlig@nix.build>
Cc: @oxij
This commit is contained in:
parent
6cd90cb0e1
commit
c5bb43188d
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@ -25,6 +25,7 @@ with lib;
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documentation.enable = mkForce true;
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# Show the manual.
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documentation.nixos.enable = mkForce true;
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services.nixosManual.showManual = true;
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# Let the user play Rogue on TTY 8 during the installation.
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@ -44,29 +44,30 @@ in
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};
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config = mkIf cfg.showManual {
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assertions = [{
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assertion = cfgd.enable && cfgd.nixos.enable;
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message = "Can't enable `service.nixosManual.showManual` without `documentation.nixos.enable`";
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}];
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boot.extraTTYs = [ "tty${toString cfg.ttyNumber}" ];
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systemd.services."nixos-manual" = {
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description = "NixOS Manual";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${cfg.browser} ${config.system.build.manual.manualHTMLIndex}";
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StandardInput = "tty";
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StandardOutput = "tty";
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TTYPath = "/dev/tty${toString cfg.ttyNumber}";
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TTYReset = true;
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TTYVTDisallocate = true;
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Restart = "always";
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config = mkMerge [
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(mkIf cfg.showManual {
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assertions = singleton {
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assertion = cfgd.enable && cfgd.nixos.enable;
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message = "Can't enable `services.nixosManual.showManual` without `documentation.nixos.enable`";
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};
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};
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})
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(mkIf (cfg.showManual && cfgd.enable && cfgd.nixos.enable) {
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boot.extraTTYs = [ "tty${toString cfg.ttyNumber}" ];
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};
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systemd.services."nixos-manual" = {
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description = "NixOS Manual";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${cfg.browser} ${config.system.build.manual.manualHTMLIndex}";
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StandardInput = "tty";
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StandardOutput = "tty";
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TTYPath = "/dev/tty${toString cfg.ttyNumber}";
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TTYReset = true;
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TTYVTDisallocate = true;
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Restart = "always";
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};
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};
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})
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];
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}
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