From 2a851809aad99af61aabaa8b25d8b0db3d576478 Mon Sep 17 00:00:00 2001
From: Matt Sturgeon <matt@sturgeon.me.uk>
Date: Tue, 17 Feb 2026 19:32:56 +0000
Subject: [PATCH] treefmt.withConfig: define pname & propagate all files using
 symlinkJoin

---
 pkgs/by-name/tr/treefmt/modules/wrapper.nix | 41 ++++++++++-----------
 1 file changed, 19 insertions(+), 22 deletions(-)

diff --git a/pkgs/by-name/tr/treefmt/modules/wrapper.nix b/pkgs/by-name/tr/treefmt/modules/wrapper.nix
index bb5c47c76f60..d736db5b5d77 100644
--- a/pkgs/by-name/tr/treefmt/modules/wrapper.nix
+++ b/pkgs/by-name/tr/treefmt/modules/wrapper.nix
@@ -15,26 +15,23 @@
     internal = true;
   };
 
-  config.result =
-    pkgs.runCommand config.name
-      {
-        nativeBuildInputs = [ pkgs.makeBinaryWrapper ];
-        env = {
-          inherit (config) configFile;
-          binPath = lib.makeBinPath config.runtimeInputs;
-        };
-        passthru = {
-          inherit (config) runtimeInputs;
-          inherit config options;
-        };
-        inherit (config.package) meta version;
-      }
-      ''
-        mkdir -p $out/bin
-        makeWrapper \
-          ${lib.getExe config.package} \
-          $out/bin/treefmt \
-          --prefix PATH : "$binPath" \
-          --add-flags "--config-file $configFile"
-      '';
+  config.result = pkgs.symlinkJoin {
+    pname = config.name;
+    inherit (config.package) meta version;
+    nativeBuildInputs = [ pkgs.makeBinaryWrapper ];
+    paths = [ config.package ];
+    env = {
+      inherit (config) configFile;
+      binPath = lib.makeBinPath config.runtimeInputs;
+    };
+    passthru = {
+      inherit (config) runtimeInputs;
+      inherit config options;
+    };
+    postBuild = ''
+      wrapProgram "$out/bin/treefmt" \
+        --prefix PATH : "$binPath" \
+        --add-flags "--config-file $configFile"
+    '';
+  };
 }