From ae0aff848fce2a672919bedffbe04f85bfed13b6 Mon Sep 17 00:00:00 2001
From: hacker1024 <hacker1024@users.sourceforge.net>
Date: Sun, 23 Apr 2023 14:43:48 +1000
Subject: [PATCH] flutter: Throw a useful message when there are missing
 artifact hashes

---
 .../development/compilers/flutter/engine-artifacts/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/flutter/engine-artifacts/default.nix b/pkgs/development/compilers/flutter/engine-artifacts/default.nix
index 30ef16bbeca9..214a195e0c4b 100644
--- a/pkgs/development/compilers/flutter/engine-artifacts/default.nix
+++ b/pkgs/development/compilers/flutter/engine-artifacts/default.nix
@@ -9,7 +9,8 @@
 }:
 
 let
-  hashes = (import ./hashes.nix).${engineVersion};
+  hashes = (import ./hashes.nix).${engineVersion} or
+    (throw "There are no known artifact hashes for Flutter engine version ${engineVersion}.");
 
   artifacts =
     {