nixos/rasdaemon: add package option

Author: matdibu

nixos/modules/services/hardware/rasdaemon.nix

@@ -14,6 +14,8 @@ in
 
     enable = lib.mkEnableOption "RAS logging daemon";
 
+    package = lib.mkPackageOption pkgs "rasdaemon" { };
+
     record = lib.mkOption {
       type = lib.types.bool;
       default = true;
@@ -99,7 +101,7 @@ in
       };
     };
     environment.systemPackages =
-      [ pkgs.rasdaemon ]
+      [ cfg.package ]
       ++ lib.optionals (cfg.testing) (
         with pkgs.error-inject;
         [
@@ -151,12 +153,12 @@ in
           StateDirectory = lib.optionalString (cfg.record) "rasdaemon";
 
           ExecStart =
-            "${pkgs.rasdaemon}/bin/rasdaemon --foreground" + lib.optionalString (cfg.record) " --record";
-          ExecStop = "${pkgs.rasdaemon}/bin/rasdaemon --disable";
+            "${cfg.package}/bin/rasdaemon --foreground" + lib.optionalString (cfg.record) " --record";
+          ExecStop = "${cfg.package}/bin/rasdaemon --disable";
           Restart = "on-abort";
 
           # src/misc/rasdaemon.service.in shows this:
-          # ExecStartPost = ${pkgs.rasdaemon}/bin/rasdaemon --enable
+          # ExecStartPost = ${cfg.package}/bin/rasdaemon --enable
           # but that results in unpredictable existence of the database
           # and everything seems to be enabled without this...
         };
@@ -167,7 +169,7 @@ in
         wantedBy = [ "multi-user.target" ];
         serviceConfig = {
           Type = "oneshot";
-          ExecStart = "${pkgs.rasdaemon}/bin/ras-mc-ctl --register-labels";
+          ExecStart = "${cfg.package}/bin/ras-mc-ctl --register-labels";
           RemainAfterExit = true;
         };
       };