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Diffstat (limited to 'nixos/modules/services/misc/nix-daemon.nix')
-rw-r--r--nixos/modules/services/misc/nix-daemon.nix26
1 files changed, 7 insertions, 19 deletions
diff --git a/nixos/modules/services/misc/nix-daemon.nix b/nixos/modules/services/misc/nix-daemon.nix
index 924a007efc6..133e96da0ec 100644
--- a/nixos/modules/services/misc/nix-daemon.nix
+++ b/nixos/modules/services/misc/nix-daemon.nix
@@ -21,6 +21,7 @@ let
          calls in `libstore/build.cc', don't add any supplementary group
          here except "nixbld".  */
       uid = builtins.add config.ids.uids.nixbld nr;
+      isSystemUser = true;
       group = "nixbld";
       extraGroups = [ "nixbld" ];
     };
@@ -45,7 +46,7 @@ let
         trusted-substituters = ${toString cfg.trustedBinaryCaches}
         trusted-public-keys = ${toString cfg.binaryCachePublicKeys}
         auto-optimise-store = ${boolToString cfg.autoOptimiseStore}
-        require-sigs = ${if cfg.requireSignedBinaryCaches then "true" else "false"}
+        require-sigs = ${boolToString cfg.requireSignedBinaryCaches}
         trusted-users = ${toString cfg.trustedUsers}
         allowed-users = ${toString cfg.allowedUsers}
         ${optionalString (!cfg.distributedBuilds) ''
@@ -500,13 +501,6 @@ in
 
   config = {
 
-    assertions = [
-      {
-        assertion = config.nix.distributedBuilds || config.nix.buildMachines == [];
-        message = "You must set `nix.distributedBuilds = true` to use nix.buildMachines";
-      }
-    ];
-
     nix.binaryCachePublicKeys = [ "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=" ];
     nix.binaryCaches = [ "https://cache.nixos.org/" ];
 
@@ -546,7 +540,7 @@ in
     systemd.sockets.nix-daemon.wantedBy = [ "sockets.target" ];
 
     systemd.services.nix-daemon =
-      { path = [ nix pkgs.utillinux config.programs.ssh.package ]
+      { path = [ nix pkgs.util-linux config.programs.ssh.package ]
           ++ optionals cfg.distributedBuilds [ pkgs.gzip ];
 
         environment = cfg.envVars
@@ -594,16 +588,10 @@ in
 
     nix.systemFeatures = mkDefault (
       [ "nixos-test" "benchmark" "big-parallel" "kvm" ] ++
-      optionals (pkgs.stdenv.isx86_64 && pkgs.hostPlatform.platform ? gcc.arch) (
-        # a x86_64 builder can run code for `platform.gcc.arch` and minor architectures:
-        [ "gccarch-${pkgs.hostPlatform.platform.gcc.arch}" ] ++ {
-          sandybridge    = [ "gccarch-westmere" ];
-          ivybridge      = [ "gccarch-westmere" "gccarch-sandybridge" ];
-          haswell        = [ "gccarch-westmere" "gccarch-sandybridge" "gccarch-ivybridge" ];
-          broadwell      = [ "gccarch-westmere" "gccarch-sandybridge" "gccarch-ivybridge" "gccarch-haswell" ];
-          skylake        = [ "gccarch-westmere" "gccarch-sandybridge" "gccarch-ivybridge" "gccarch-haswell" "gccarch-broadwell" ];
-          skylake-avx512 = [ "gccarch-westmere" "gccarch-sandybridge" "gccarch-ivybridge" "gccarch-haswell" "gccarch-broadwell" "gccarch-skylake" ];
-        }.${pkgs.hostPlatform.platform.gcc.arch} or []
+      optionals (pkgs.hostPlatform ? gcc.arch) (
+        # a builder can run code for `gcc.arch` and inferior architectures
+        [ "gccarch-${pkgs.hostPlatform.gcc.arch}" ] ++
+        map (x: "gccarch-${x}") lib.systems.architectures.inferiors.${pkgs.hostPlatform.gcc.arch}
       )
     );