From 1a18819d4d6e81d4644f444ee7f732958c7b8714 Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Sun, 7 Apr 2024 04:20:00 +0000
Subject: [PATCH 1/2] yarn: allow to install without node

---
 pkgs/development/tools/yarn/default.nix | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/tools/yarn/default.nix b/pkgs/development/tools/yarn/default.nix
index 1a9a619c7b15..605ae1cb25eb 100644
--- a/pkgs/development/tools/yarn/default.nix
+++ b/pkgs/development/tools/yarn/default.nix
@@ -1,4 +1,11 @@
-{ lib, fetchFromGitHub, fetchzip, nodejs, stdenvNoCC, testers }:
+{ lib
+, fetchFromGitHub
+, fetchzip
+, nodejs
+, stdenvNoCC
+, testers
+, withNode ? true
+}:
 
 let
   completion = fetchFromGitHub {
@@ -17,7 +24,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     sha256 = "sha256-kFa+kmnBerTB7fY/IvfAFy/4LWvrl9lrRHMOUdOZ+Wg=";
   };
 
-  buildInputs = [ nodejs ];
+  buildInputs = lib.optionals withNode [ nodejs ];
 
   installPhase = ''
     mkdir -p $out/{bin,libexec/yarn/,share/bash-completion/completions/}
@@ -27,7 +34,11 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     ln -s ${completion}/yarn-completion.bash $out/share/bash-completion/completions/yarn.bash
   '';
 
-  passthru.tests = testers.testVersion { package = finalAttrs.finalPackage; };
+  passthru = {
+    tests.version = lib.optionalAttrs withNode (testers.testVersion {
+      package = finalAttrs.finalPackage;
+    });
+  };
 
   meta = with lib; {
     description = "Fast, reliable, and secure dependency management for javascript";
@@ -35,7 +46,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     changelog = "https://github.com/yarnpkg/yarn/blob/v${finalAttrs.version}/CHANGELOG.md";
     license = licenses.bsd2;
     maintainers = with maintainers; [ offline screendriver marsam ];
-    platforms = nodejs.meta.platforms;
+    platforms = platforms.all;
     mainProgram = "yarn";
   };
 })

From 8c29b8d726bc0e6dbaef1c6cf0439e8af3d1d307 Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Sun, 7 Apr 2024 04:20:00 +0000
Subject: [PATCH 2/2] yarn: add passthru.updateScript

---
 pkgs/development/tools/yarn/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/tools/yarn/default.nix b/pkgs/development/tools/yarn/default.nix
index 605ae1cb25eb..9d95676ec2ce 100644
--- a/pkgs/development/tools/yarn/default.nix
+++ b/pkgs/development/tools/yarn/default.nix
@@ -4,6 +4,7 @@
 , nodejs
 , stdenvNoCC
 , testers
+, gitUpdater
 , withNode ? true
 }:
 
@@ -38,6 +39,11 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     tests.version = lib.optionalAttrs withNode (testers.testVersion {
       package = finalAttrs.finalPackage;
     });
+
+    updateScript = gitUpdater {
+      url = "https://github.com/yarnpkg/yarn.git";
+      rev-prefix = "v";
+    };
   };
 
   meta = with lib; {