krebs.retiolum: define type of hosts

1 files changed, 18 insertions, 22 deletions

diff --git a/3modules/krebs/retiolum.nix b/3modules/krebs/retiolum.nix
index 447592eef..1406f2fc4 100644
--- a/3modules/krebs/retiolum.nix
+++ b/3modules/krebs/retiolum.nix
@@ -57,9 +57,9 @@ let
     };
 
     hosts = mkOption {
-      default = null;
+      type = with types; either package path;
+      default = ../../Zhosts;
       description = ''
-        Hosts package or path to use.
         If a path is given, then it will be used to generate an ad-hoc package.
       '';
     };
@@ -127,24 +127,20 @@ let
   };
 
   tinc = cfg.tincPackage;
-  hostsType = builtins.typeOf cfg.hosts;
-  hosts =
-    if hostsType == "package" then
-      # use package as is
-      cfg.hosts
-    else if hostsType == "path" then
-      # use path to generate a package
-      pkgs.stdenv.mkDerivation {
-        name = "custom-retiolum-hosts";
-        src = cfg.hosts;
-        installPhase = ''
-          mkdir $out
-          find . -name .git -prune -o -type f -print0 | xargs -0 cp --target-directory $out
-        '';
-      }
-    else
-      abort "The option `services.retiolum.hosts' must be set to a package or a path"
-    ;
+
+  hosts = getAttr (typeOf cfg.hosts) {
+    package = cfg.hosts;
+    path = pkgs.stdenv.mkDerivation {
+      name = "custom-retiolum-hosts";
+      src = cfg.hosts;
+      installPhase = ''
+        mkdir $out
+        find . -name .git -prune -o -type f -print0 \
+          | xargs -0 cp --target-directory $out
+      '';
+    };
+  };
+
   iproute = cfg.iproutePackage;
 
   retiolumExtraHosts = import (pkgs.runCommand "retiolum-etc-hosts"
@@ -222,5 +218,5 @@ let
 
     chmod +x $out/tinc-up
   '';
-in
-out
+
+in out