hugolib: Deprecate useModTimeAsFallback

Fixes #4351

diff --git a/hugolib/config.go b/hugolib/config.go
index c30e93f15cae99c264b6c512ed0c7370d61d7357..ce9711cfd6b897309a4fd6c7a0f4e372b2a71569 100644 (file)
--- a/hugolib/config.go
+++ b/hugolib/config.go
@@ -250,5 +250,11 @@ func loadDefaultSettingsFor(v *viper.Viper) error {
        v.SetDefault("debug", false)
        v.SetDefault("disableFastRender", false)
 
+       // Remove in Hugo 0.37
+       if v.GetBool("useModTimeAsFallback") {
+               helpers.Deprecated("Site config", "useModTimeAsFallback", "Try --enableGitInfo or set lastMod in front matter", false)
+
+       }
+
        return loadLanguageSettings(v, nil)
 }