From a99fbcbe43c12eac399ee756477ef558effddb2f Mon Sep 17 00:00:00 2001
From: dydysy <200615@gmail.com>
Date: Tue, 27 Aug 2024 16:13:19 +0800
Subject: [PATCH] use -mod=readonly rather than -mod= for go list

The empty string is not a valid value for the -mod flag, and it fails when using a workspace too:

    go: -mod may only be set to readonly or vendor when in workspace mode, but it is set to ""
---
 shared.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shared.go b/shared.go
index 719c21a..1c3cb67 100644
--- a/shared.go
+++ b/shared.go
@@ -231,7 +231,7 @@ func appendListedPackages(packages []string, mainBuild bool) error {
 		// However, when loading standard library packages,
 		// using those flags would likely result in an error,
 		// as the standard library uses its own Go module and vendoring.
-		args = append(args, "-mod=", "-modfile=")
+		args = append(args, "-mod=readonly", "-modfile=")
 	}
 
 	args = append(args, packages...)