yarn-berry_3: init at 3.8.7 (#398534)

pkgs/by-name/ya/yarn-berry/package.nix

···
   stdenv,
   testers,
   yarn,
+  berryVersion ? 4,
 }:
 
+let
+  version_4 = "4.8.1";
+  version_3 = "3.8.7";
+  hash_4 = "sha256-JRQVUO5KsaGMmoC99cloW+hbFjgaFLNT3tqA29TVu34=";
+  hash_3 = "sha256-vRrk+Fs/7dZha3h7yI5NpMfd1xezesnigpFgTRCACZo=";
+in
+
 stdenv.mkDerivation (finalAttrs: {
   pname = "yarn-berry";
-  version = "4.8.1";
+  version = if berryVersion == 4 then version_4 else version_3;
 
   src = fetchFromGitHub {
     owner = "yarnpkg";
     repo = "berry";
     tag = "@yarnpkg/cli/${finalAttrs.version}";
-    hash = "sha256-JRQVUO5KsaGMmoC99cloW+hbFjgaFLNT3tqA29TVu34=";
+    hash = if berryVersion == 4 then hash_4 else hash_3;
   };
 
   buildInputs = [

pkgs/by-name/ya/yarn-berry/update.sh

···
 )
 
 version=$(jq -r "[.data.repository.tag.nodes[].name | select(contains(\"-\")|not)] | max_by(split(\".\") | map(tonumber))" <<< "$payload")
+version3=$(jq -r "[.data.repository.tag.nodes[].name | select(contains(\"-\")|not)] | map(select(. < \"4.0.0\")) | sort | last" <<< "$payload")
 
-update-source-version yarn-berry "$version"
+update-source-version yarn-berry4 "$version" --version-key="version_4"
+update-source-version yarn-berry3 "$version3" --version-key="version_3"

pkgs/top-level/all-packages.nix

···
 
   yapf = with python3Packages; toPythonApplication yapf;
 
+  yarn-berry_4 = yarn-berry.override { berryVersion = 4; };
+  yarn-berry_3 = yarn-berry.override { berryVersion = 3; };
+
   yarn2nix-moretea = callPackage ../development/tools/yarn2nix-moretea {
     pkgs = pkgs.__splicedPackages;
   };