From 1ddc17bc506f36611059c43734ec0ac746a82ab2 Mon Sep 17 00:00:00 2001
From: Niklas Halonen <niklas.halonen@protonmail.com>
Date: Wed, 16 Aug 2023 22:27:34 +0300
Subject: [PATCH] Fix symlink builder to recursively walk the vendor directory

Fixes https://github.com/nix-community/gomod2nix/issues/20
---
 builder/symlink/symlink.go | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/builder/symlink/symlink.go b/builder/symlink/symlink.go
index e5ee0cd..c3fc4ac 100644
--- a/builder/symlink/symlink.go
+++ b/builder/symlink/symlink.go
@@ -91,19 +91,8 @@ func populateVendorPath(vendorPath string, src string) {
 		innerSrc := filepath.Join(src, f.Name())
 		dst := filepath.Join(vendorPath, f.Name())
 		if err := os.Symlink(innerSrc, dst); err != nil {
-			// assume it's an existing directory, try to link the directory content instead.
-			// TODO should we do this recursively?
-			files, err := os.ReadDir(innerSrc)
-			if err != nil {
-				panic(err)
-			}
-			for _, f := range files {
-				srcFile := filepath.Join(innerSrc, f.Name())
-				dstFile := filepath.Join(dst, f.Name())
-				if err := os.Symlink(srcFile, dstFile); err != nil {
-					fmt.Println("ignoring symlink error", srcFile, dstFile)
-				}
-			}
+			fmt.Println("symlink error, trying", innerSrc, err)
+			populateVendorPath(dst, innerSrc);
 		}
 	}
 }