From 72890726f377d2d12cdd27318f6decb27e092f47 Mon Sep 17 00:00:00 2001
From: HuangYi <huang@crypto.com>
Date: Wed, 15 Feb 2023 14:31:29 +0800
Subject: [PATCH 1/2] fix cross compiling

select go compiler in `buildPackages` instead of `pkgs`
---
 builder/default.nix | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/builder/default.nix b/builder/default.nix
index 42c95c7..6d93a63 100644
--- a/builder/default.nix
+++ b/builder/default.nix
@@ -8,6 +8,7 @@
 , cacert
 , pkgs
 , pkgsBuildBuild
+, buildPackages
 , runtimeShell
 , writeScript
 , gomod2nix
@@ -127,20 +128,20 @@ let
       );
 
   # Return a Go attribute and error out if the Go version is older than was specified in go.mod.
-  selectGo = attrs: goMod: attrs.go or (if goMod == null then pkgs.go else
+  selectGo = attrs: goMod: attrs.go or (if goMod == null then buildPackages.go else
   (
     let
       goVersion = goMod.go;
       goAttrs = lib.reverseList (builtins.filter
         (
-          attr: lib.hasPrefix "go_" attr && lib.versionAtLeast pkgs.${attr}.version goVersion
+          attr: lib.hasPrefix "go_" attr && lib.versionAtLeast buildPackages.${attr}.version goVersion
         )
-        (lib.attrNames pkgs));
+        (lib.attrNames buildPackages));
       goAttr = elemAt goAttrs 0;
     in
     (
       if goAttrs != [ ]
-      then pkgs.${goAttr}
+      then buildPackages.${goAttr}
       else throw "go.mod specified Go version ${goVersion}, but no compatible Go attribute could be found."
     )
   ));

From 23aaa89f106df36f72cbfe055a0844eb6d17a9fe Mon Sep 17 00:00:00 2001
From: HuangYi <huang@crypto.com>
Date: Wed, 15 Feb 2023 16:51:18 +0800
Subject: [PATCH 2/2] we actually support more platforms than go.meta.platforms
 because of cross-compiling

---
 builder/default.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/builder/default.nix b/builder/default.nix
index 6d93a63..e16c0c0 100644
--- a/builder/default.nix
+++ b/builder/default.nix
@@ -6,7 +6,6 @@
 , fetchgit
 , jq
 , cacert
-, pkgs
 , pkgsBuildBuild
 , buildPackages
 , runtimeShell
@@ -431,7 +430,7 @@ let
 
         } // passthru;
 
-        meta = { platforms = go.meta.platforms or platforms.all; } // meta;
+        inherit meta;
       });
 
 in