fosrl-pangolin: Allow edition to be specified

Currently the only way to override which "set" is installed is by
replacing strings in the buildPhase with overrideAttrs. This way seems a
bit cleaner, certainly easier and more obvious.

pkgs/by-name/fo/fosrl-pangolin/package.nix

@@ -6,6 +6,7 @@
   makeWrapper,
   formats,
   databaseType ? "sqlite",
+  edition ? "oss",
   environmentVariables ? { },
   nixosTests,
 }:
@@ -15,6 +16,12 @@ assert lib.assertOneOf "databaseType" databaseType [
   "pg"
 ];
 
+assert lib.assertOneOf "edition" edition [
+  "enterprise"
+  "oss"
+  "saas"
+];
+
 let
   db =
     isLong:
@@ -57,7 +64,7 @@ buildNpmPackage (finalAttrs: {
 
   preBuild = ''
     npm run set:${db false}
-    npm run set:oss
+    npm run set:${edition}
     npm run db:generate
   '';
 
@@ -160,7 +167,7 @@ buildNpmPackage (finalAttrs: {
     description = "Tunneled reverse proxy server with identity and access control";
     homepage = "https://github.com/fosrl/pangolin";
     changelog = "https://github.com/fosrl/pangolin/releases/tag/${finalAttrs.version}";
-    license = lib.licenses.agpl3Only;
+    license = [ lib.licenses.agpl3Only ] ++ lib.optional (edition != "oss") lib.licenses.unfree;
     maintainers = with lib.maintainers; [
       jackr
       water-sucks