Use thunk for reflex-project-skeleton

examples/project/reflex-project-skeleton/default.nix

@@ -1 +1,2 @@
-import ((import <nixpkgs> {}).fetchFromGitHub (builtins.fromJSON (builtins.readFile ./github.json)))
+# DO NOT HAND-EDIT THIS FILE
+import (import ./thunk.nix)

examples/project/reflex-project-skeleton/github.json

@@ -1,6 +1,8 @@
 {
   "owner": "obsidiansystems",
   "repo": "reflex-project-skeleton",
+  "private": false,
+  "fetchSubmodules": false,
   "rev": "30d29322d74e98d189b755c3d25fffecfee32fe1",
   "sha256": "14vcmi3bdmlcj228wj0hzjyqmixyfrd0ch8qzp2655kzik7dbgga"
 }

examples/project/reflex-project-skeleton/thunk.nix

@@ -0,0 +1,9 @@
+# DO NOT HAND-EDIT THIS FILE
+let fetch = { private ? false, fetchSubmodules ? false, owner, repo, rev, sha256, ... }:
+  if !fetchSubmodules && !private then builtins.fetchTarball {
+    url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz"; inherit sha256;
+  } else (import <nixpkgs> {}).fetchFromGitHub {
+    inherit owner repo rev sha256 fetchSubmodules private;
+  };
+  json = builtins.fromJSON (builtins.readFile ./github.json);
+in fetch json

tests/skeleton.nix

@@ -1,10 +1,7 @@
 { reflex-platform }:
 
 let
-  skeletonSrc = reflex-platform.nixpkgs.fetchFromGitHub (builtins.fromJSON (builtins.readFile ../examples/project/reflex-project-skeleton/github.json))
-  // {
-    fetchSubmodules = false; # Not interested in its reflex-platform checkout
-  };
+  skeletonSrc = reflex-platform.hackGet ../examples/project/reflex-project-skeleton;
 
   skeleton = import skeletonSrc { inherit reflex-platform; };