From f52e868a2efa822f943113badb06dad709ade9c1 Mon Sep 17 00:00:00 2001
From: Ross Smyth <18294397+RossSmyth@users.noreply.github.com>
Date: Wed, 13 May 2026 16:05:47 -0400
Subject: [PATCH] buildGoModule: supported structuredAttrs with subPackages

---
 pkgs/build-support/go/module.nix | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/pkgs/build-support/go/module.nix b/pkgs/build-support/go/module.nix
index ea266422c6d8..a98f89f5e730 100644
--- a/pkgs/build-support/go/module.nix
+++ b/pkgs/build-support/go/module.nix
@@ -320,10 +320,15 @@ lib.extendMkDerivation {
               }
 
               getGoDirs() {
-                local type;
-                type="$1"
-                if [ -n "$subPackages" ]; then
-                  echo "$subPackages" | sed "s,\(^\| \),\1./,g"
+                local -r type="$1"
+
+                # Support strucuredAttrs, they are not space seperated
+                local -a subPackagesArray
+                concatTo subPackagesArray subPackages
+
+                # Outputs each element prefixed with './' if the array is not empty
+                if [[ ''${#subPackagesArray[@]} -gt 0 ]]; then
+                  echo "''${subPackagesArray[*]/#/./}"
                 else
                   find . -type f -name \*$type.go -exec dirname {} \; | grep -v "/vendor/" | sort --unique | grep -v "$exclude"
                 fi