Add hugo.IsExtended

Fixes #8399

common/hugo/hugo.go

@@ -71,6 +71,10 @@ func (i Info) IsProduction() bool {
 	return i.Environment == EnvironmentProduction
 }
 
+func (i Info) IsExtended() bool {
+	return IsExtended
+}
+
 // NewInfo creates a new Hugo Info object.
 func NewInfo(environment string) Info {
 	if environment == "" {

common/hugo/hugo_test.go

@@ -32,6 +32,7 @@ func TestHugoInfo(t *testing.T) {
 	c.Assert(hugoInfo.Environment, qt.Equals, "production")
 	c.Assert(string(hugoInfo.Generator()), qt.Contains, fmt.Sprintf("Hugo %s", hugoInfo.Version()))
 	c.Assert(hugoInfo.IsProduction(), qt.Equals, true)
+	c.Assert(hugoInfo.IsExtended(), qt.Equals, IsExtended)
 
 	devHugoInfo := NewInfo("development")
 	c.Assert(devHugoInfo.IsProduction(), qt.Equals, false)

docs/content/en/functions/hugo.md

@@ -41,6 +41,9 @@ hugo.CommitHash
 hugo.BuildDate
 : the compile date of the current Hugo binary formatted with RFC 3339 e.g. `2002-10-02T10:00:00-05:00`
 
+hugo.IsExtended {{< new-in "0.83.0" >}}
+: whether this is the extended Hugo binary.
+
 hugo.IsProduction
 : returns true if `hugo.Environment` is set to the production environment