hugolib: Fix Pages reinitialization on rebuilds

Which had some unpredictable behaviour when using `.Pages` on home page etc. that had a content page.

Fixes #5833

1 files changed, 6 insertions, 2 deletions

diff --git a/hugolib/page__common.go b/hugolib/page__common.go
index 01280bb40..f9ceee8c9 100644
--- a/hugolib/page__common.go
+++ b/hugolib/page__common.go
@@ -87,8 +87,7 @@ type pageCommon struct {
 	page.InternalDependencies
 
 	// The children. Regular pages will have none.
-	pages     page.Pages
-	pagesInit sync.Once
+	*pagePages
 
 	// Any bundled resources
 	resources            resource.Resources
@@ -111,3 +110,8 @@ type pageCommon struct {
 	// Set in fast render mode to force render a given page.
 	forceRender bool
 }
+
+type pagePages struct {
+	pages     page.Pages
+	pagesInit sync.Once
+}