julia_15: nixpkgs unstable → 21.05

Apparently the working julia version was moved into a stable channel since I
last looked at this, and the version in unstable is broken again. Fun!

Anyways, it builds again now (as part of parsons's config)

services/pluto.nix

@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 
-let sources = import ../../../nix/sources.nix;
+let sources = import ../nix/sources.nix;
 in
 {
   containers.pluto = {
@@ -14,8 +14,8 @@ in
     config = {pkgs, config, ...}: {
       systemd.services.pluto =
         let
-          julia = (import ../../../pkgs/pluto)
-            {pkgs = import sources.nixpkgs-unstable {};};
+          julia = (import ../pkgs/pluto)
+            {pkgs = import sources.nixpkgs {};};
           pluto = pkgs.stdenv.mkDerivation {
             name = "pluto-standalone";
             buildPhase = "mkdir $out";
@@ -23,7 +23,7 @@ in
               cp *.toml $out
               cp *.jl $out
             '';
-            src = ../../../pkgs/pluto;
+            src = ../pkgs/pluto;
           };
         in {
           enable = true;
@@ -48,6 +48,7 @@ in
       users.users.pluto = {
         group = "pluto";
         home = "/notebooks";
+        isSystemUser = true;
       };
       users.groups.pluto = {};
       systemd.tmpfiles.rules = [