git: b813e46e1533 - main - nuageinit: fix dirname('/') returning nil instead of '/'

The branch main has been updated by bapt:

URL: https://cgit.FreeBSD.org/src/commit/?id=b813e46e153327b66db4791ec0003b7e7cc51214

commit b813e46e153327b66db4791ec0003b7e7cc51214
Author:     Baptiste Daroussin <bapt@FreeBSD.org>
AuthorDate: 2026-06-04 16:44:31 +0000
Commit:     Baptiste Daroussin <bapt@FreeBSD.org>
CommitDate: 2026-06-04 16:44:31 +0000

    nuageinit: fix dirname('/') returning nil instead of '/'
---
 libexec/nuageinit/nuage.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libexec/nuageinit/nuage.lua b/libexec/nuageinit/nuage.lua
index f3c23a7c3eb8..839cf3588021 100644
--- a/libexec/nuageinit/nuage.lua
+++ b/libexec/nuageinit/nuage.lua
@@ -93,6 +93,9 @@ local function dirname(oldpath)
 	end
 	local path = oldpath:gsub("[^/]+/*$", "")
 	if path == "" then
+		if oldpath:sub(1, 1) == "/" then
+			return "/"
+		end
 		return nil
 	end
 	return path