update raceless

pkgs/go-raceless/default.nix

@@ -1,36 +1,33 @@
 { pkgs, go }:
 let
-  go-wrapper = pkgs.writeShellApplication {
-    name = "go";
-    text = ''
-      args=("$@")
-      new_args=()
-      has_test=false
-      found_race=false
+  go-script = pkgs.writeShellScript "go-raceless" ''
+    args=("$@")
+    new_args=()
+    has_test=false
+    found_race=false
 
-      for arg in "''${args[@]}"; do
-          if [[ "$arg" == "test" ]]; then
-              has_test=true
-          fi
-      done
+    for arg in "''${args[@]}"; do
+        if [[ "$arg" == "test" ]]; then
+            has_test=true
+        fi
+    done
 
-      if [[ "$has_test" == "true" ]]; then
-          for arg in "''${args[@]}"; do
-              if [[ "$arg" != "-race" ]]; then
-                  new_args+=("$arg")
-              else
-                  found_race=true
-              fi
-          done
+    if [[ "$has_test" == "true" ]]; then
+        for arg in "''${args[@]}"; do
+            if [[ "$arg" != "-race" ]]; then
+                new_args+=("$arg")
+            else
+                found_race=true
+            fi
+        done
 
-          if [[ "$found_race" == "true" ]]; then
-              exec "$REAL_GO" "''${new_args[@]}"
-          fi
-      fi
+        if [[ "$found_race" == "true" ]]; then
+            exec ${go}/bin/go "''${new_args[@]}"
+        fi
+    fi
 
-      exec "$REAL_GO" "$@"
-    '';
-  };
+    exec ${go}/bin/go "$@"
+  '';
 
   preservedAttrs = pkgs.lib.attrsets.getAttrs [
     "CGO_ENABLED"
@@ -46,9 +43,8 @@ pkgs.symlinkJoin (
     nativeBuildInputs = [ pkgs.makeWrapper ];
     postBuild = ''
       rm $out/bin/go
-
-      makeWrapper ${go-wrapper}/bin/go $out/bin/go \
-        --set REAL_GO ${go}/bin/go
+      cp ${go-script} $out/bin/go
+      chmod +x $out/bin/go
     '';
   }
   // preservedAttrs