Add tpl/site and tpl/hugo

This means that the current `.Site` and ´.Hugo` is available as a globals, so you can do `site.IsServer`, `hugo.Version` etc.

Fixes #5470
Fixes #5467
Fixes #5503

1 files changed, 18 insertions, 1 deletions

diff --git a/deps/deps.go b/deps/deps.go
index de6d8b52a..46f4f7730 100644
--- a/deps/deps.go
+++ b/deps/deps.go
@@ -7,6 +7,7 @@ import (
 	"github.com/pkg/errors"
 
 	"github.com/gohugoio/hugo/cache/filecache"
+	"github.com/gohugoio/hugo/common/hugo"
 	"github.com/gohugoio/hugo/common/loggers"
 	"github.com/gohugoio/hugo/config"
 	"github.com/gohugoio/hugo/helpers"
@@ -62,8 +63,12 @@ type Deps struct {
 	// The translation func to use
 	Translate func(translationID string, args ...interface{}) string `json:"-"`
 
+	// The language in use. TODO(bep) consolidate with site
 	Language *langs.Language
 
+	// The site building.
+	Site hugo.Site
+
 	// All the output formats available for the current site.
 	OutputFormatsConfig output.Formats
 
@@ -230,6 +235,7 @@ func New(cfg DepsCfg) (*Deps, error) {
 		ResourceSpec:        resourceSpec,
 		Cfg:                 cfg.Language,
 		Language:            cfg.Language,
+		Site:                cfg.Site,
 		FileCaches:          fileCaches,
 		BuildStartListeners: &Listeners{},
 		Timeout:             time.Duration(timeoutms) * time.Millisecond,
@@ -245,7 +251,7 @@ func New(cfg DepsCfg) (*Deps, error) {
 
 // ForLanguage creates a copy of the Deps with the language dependent
 // parts switched out.
-func (d Deps) ForLanguage(cfg DepsCfg) (*Deps, error) {
+func (d Deps) ForLanguage(cfg DepsCfg, onCreated func(d *Deps) error) (*Deps, error) {
 	l := cfg.Language
 	var err error
 
@@ -259,6 +265,8 @@ func (d Deps) ForLanguage(cfg DepsCfg) (*Deps, error) {
 		return nil, err
 	}
 
+	d.Site = cfg.Site
+
 	// The resource cache is global so reuse.
 	// TODO(bep) clean up these inits.
 	resourceCache := d.ResourceSpec.ResourceCache
@@ -271,6 +279,12 @@ func (d Deps) ForLanguage(cfg DepsCfg) (*Deps, error) {
 	d.Cfg = l
 	d.Language = l
 
+	if onCreated != nil {
+		if err = onCreated(&d); err != nil {
+			return nil, err
+		}
+	}
+
 	if err := d.translationProvider.Clone(&d); err != nil {
 		return nil, err
 	}
@@ -299,6 +313,9 @@ type DepsCfg struct {
 	// The language to use.
 	Language *langs.Language
 
+	// The Site in use
+	Site hugo.Site
+
 	// The configuration to use.
 	Cfg config.Provider