From 51c362c5306d940f4ab10b8604de3de3425b8195 Mon Sep 17 00:00:00 2001
From: Nick Novitski <github@nicknovitski.com>
Date: Tue, 12 Jul 2022 19:15:52 -0700
Subject: [PATCH] Add passthru yarn derivation

This can be used to run any scripts in the package.
---
 src/tmpl/yarn-project.nix.in | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/tmpl/yarn-project.nix.in b/src/tmpl/yarn-project.nix.in
index 202860e..3de95d4 100644
--- a/src/tmpl/yarn-project.nix.in
+++ b/src/tmpl/yarn-project.nix.in
@@ -1,7 +1,7 @@
 # This file is generated by running "yarn install" inside your project.
 # Manual changes might be lost - proceed with caution!
 
-{ lib, nodejs, stdenv, fetchurl, writeText, git, cacert }:
+{ lib, nodejs, stdenv, fetchurl, writeText, git, cacert, writeShellApplication }:
 { src, overrideAttrs ? null, ... } @ args:
 
 let
@@ -151,6 +151,13 @@ let
 
     passthru = {
       inherit nodejs;
+      yarn = writeShellApplication {
+        name = "yarn";
+        runtimeInputs = [ nodejs ];
+        text = ''
+          ${yarnPath} --cwd ${project}/libexec/${project.name} "$@"
+        '';
+      };
     };
   });