Re-add site.RSSLink (and deprecate it)

Fixes #11110

3 files changed, 18 insertions, 7 deletions

diff --git a/hugolib/site_new.go b/hugolib/site_new.go
index 4b3a28bdd..911414121 100644
--- a/hugolib/site_new.go
+++ b/hugolib/site_new.go
@@ -29,6 +29,7 @@ import (
 	"github.com/gohugoio/hugo/config"
 	"github.com/gohugoio/hugo/config/allconfig"
 	"github.com/gohugoio/hugo/deps"
+	"github.com/gohugoio/hugo/helpers"
 	"github.com/gohugoio/hugo/identity"
 	"github.com/gohugoio/hugo/langs"
 	"github.com/gohugoio/hugo/langs/i18n"
@@ -345,12 +346,10 @@ func (s *Site) Copyright() string {
 	return s.conf.Copyright
 }
 
-func (s *Site) RSSLink() string {
-	rssOutputFormat, found := s.conf.C.KindOutputFormats[page.KindHome].GetByName("rss")
-	if !found {
-		return ""
-	}
-	return s.permalink(rssOutputFormat.BaseFilename())
+func (s *Site) RSSLink() template.URL {
+	helpers.Deprecated("Site.RSSLink", "Use the Output Format's Permalink method instead, e.g. .OutputFormats.Get \"RSS\".Permalink", false)
+	rssOutputFormat := s.home.OutputFormats().Get("rss")
+	return template.URL(rssOutputFormat.Permalink())
 }
 
 func (s *Site) Config() page.SiteConfig {
diff --git a/hugolib/site_output_test.go b/hugolib/site_output_test.go
index c5cee7641..b598e23d6 100644
--- a/hugolib/site_output_test.go
+++ b/hugolib/site_output_test.go
@@ -15,6 +15,7 @@ package hugolib
 
 import (
 	"fmt"
+	"html/template"
 	"strings"
 	"testing"
 
@@ -248,7 +249,7 @@ baseName = "feed"
 	s := h.Sites[0]
 
 	// Issue #3450
-	c.Assert(s.RSSLink(), qt.Equals, "http://example.com/blog/feed.xml")
+	c.Assert(s.RSSLink(), qt.Equals, template.URL("http://example.com/blog/feed.xml"))
 }
 
 // Issue #3614
diff --git a/resources/page/site.go b/resources/page/site.go
index ccc36a4ee..6a352ef86 100644
--- a/resources/page/site.go
+++ b/resources/page/site.go
@@ -137,6 +137,9 @@ type Site interface {
 
 	// LanguagePrefix returns the language prefix for this site.
 	LanguagePrefix() string
+
+	// Deprecated. Use site.Home.OutputFormats.Get "rss" instead.
+	RSSLink() template.URL
 }
 
 // Sites represents an ordered list of sites (languages).
@@ -300,6 +303,10 @@ func (s *siteWrapper) LanguagePrefix() string {
 	return s.s.LanguagePrefix()
 }
 
+func (s *siteWrapper) RSSLink() template.URL {
+	return s.s.RSSLink()
+}
+
 type testSite struct {
 	h hugo.HugoInfo
 	l *langs.Language
@@ -444,6 +451,10 @@ func (s testSite) Param(key any) (any, error) {
 	return nil, nil
 }
 
+func (s testSite) RSSLink() template.URL {
+	return ""
+}
+
 // NewDummyHugoSite creates a new minimal test site.
 func NewDummyHugoSite(conf config.AllProvider) Site {
 	return testSite{