Add automatic page date fallback

Closes #2239

diff --git a/hugolib/page.go b/hugolib/page.go
index 198f7ba14ce9e7e6b201507c9138515cf5a10f7a..000551ec3a4219c02e39747cbf0c0901bbd8177e 100644 (file)
--- a/hugolib/page.go
+++ b/hugolib/page.go
@@ -663,6 +663,13 @@ func (p *Page) update(f interface{}) error {
                p.Draft = !*published
        }
 
+       if p.Date.IsZero() {
+               fi, err := hugofs.Source().Stat(filepath.Join(helpers.AbsPathify(viper.GetString("ContentDir")), p.File.Path()))
+               if err == nil {
+                       p.Date = fi.ModTime()
+               }
+       }
+
        if p.Lastmod.IsZero() {
                p.Lastmod = p.Date
        }