From 6c275ab6cfcbcbdbf99dae089d390b8be0498fbf Mon Sep 17 00:00:00 2001
From: ·𐑑𐑴𐑕𐑑𐑩𐑤
Date: Wed, 10 Dec 2025 13:00:26 +0000
Subject: allow passing in a full nixpkgs source

---
 lib/lock_loader.ml | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

(limited to 'lib')

diff --git a/lib/lock_loader.ml b/lib/lock_loader.ml
index b199342..98e86e3 100644
--- a/lib/lock_loader.ml
+++ b/lib/lock_loader.ml
@@ -98,7 +98,8 @@ let pp_nix_named_args fmt args =
 let pp_cfg (ppf : Format.formatter) =
 	pp_nix_named_args ppf [
 		("system", Some "builtins.currentSystem");
-		("bootstrap-nixpkgs-name", Some "null");
+		("nixpkgs", Some "null");
+		("bootstrap-nixpkgs-lock-name", Some "null");
 	]
 
 (* TODO: consider *not* doing manually as this is ugly AF, but would probably
@@ -201,14 +202,17 @@ let pp_body ~version (ppf : Format.formatter) () =
 	pf ppf {|		else@.|};
 	pf ppf {|			throw "Unsupported input kind “${builtins.toString k}”.";@.|};
 	pf ppf {|@.|};
-	pf ppf {|	nixpkgs = builtin-to-input "nixpkgs-for-nixtamal" (@.|};
-	pf ppf {|		if builtins.isNull bootstrap-nixpkgs-name then@.|};
-	pf ppf {|			lock.i.nixpkgs-nixtamal or lock.i.nixpkgs@.|};
-	pf ppf {|		else@.|};
-	pf ppf {|			lock.i.${bootstrap-nixpkgs-name}@.|};
-	pf ppf {|	);@.|};
+	pf ppf {|	nixpkgs' = if builtins.isNull nixpkgs then@.|};
+	pf ppf {|		builtin-to-input "nixpkgs-for-nixtamal" (@.|};
+	pf ppf {|			if builtins.isString bootstrap-nixpkgs-lock-name then@.|};
+	pf ppf {|				lock.i.${bootstrap-nixpkgs-lock-name}@.|};
+	pf ppf {|			else@.|};
+	pf ppf {|				lock.i.nixpkgs-nixtamal or lock.i.nixpkgs@.|};
+	pf ppf {|		)@.|};
+	pf ppf {|	else@.|};
+	pf ppf {|		nixpkgs;@.|};
 	pf ppf {|@.|};
-	pf ppf {|	pkgs = import nixpkgs {inherit system;};@.|};
+	pf ppf {|	pkgs = import nixpkgs' {inherit system;};@.|};
 	pf ppf {|@.|};
 	pf ppf {|	inherit (pkgs) lib;@.|};
 	pf ppf {|@.|};
-- 
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