shithub: hugo

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hugolib: Avoid scanning entire site to find the home

See #4447

--- a/hugolib/page_collections.go

+++ b/hugolib/page_collections.go

@@ -152,6 +152,15 @@

 	return pages

 }

+func (*PageCollections) findFirstPageByKindIn(kind string, inPages Pages) *Page {

+	for _, p := range inPages {

+		if p.Kind == kind {

+			return p

+		}

+	}

+	return nil

+}

+

 func (*PageCollections) findPagesByKindNotIn(kind string, inPages Pages) Pages {

 	var pages Pages

 	for _, p := range inPages {

--- a/hugolib/site_sections.go

+++ b/hugolib/site_sections.go

@@ -161,18 +161,12 @@

 	)

 	var (

-		home       *Page

 		inPages    = radix.New().Txn()

 		inSections = radix.New().Txn()

 		undecided  Pages

 	)

-	homes := s.findPagesByKind(KindHome)

-	if len(homes) == 1 {

-		home = homes[0]

-	} else if len(homes) > 1 {

-		panic("Too many homes")

-	}

+	home := s.findFirstPageByKindIn(KindHome, s.Pages)

 	for i, p := range s.Pages {

 		if p.Kind != KindPage {