From 2add4aeede67f48e0369dbe490c32236b192d99c Mon Sep 17 00:00:00 2001
From: Matthias Mair <code@mjmair.com>
Date: Mon, 23 Jan 2023 13:41:00 +0100
Subject: [PATCH] Add last modified to posts and repos

---
 _plugins/hook-add-last-modified-date.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 _plugins/hook-add-last-modified-date.rb

diff --git a/_plugins/hook-add-last-modified-date.rb b/_plugins/hook-add-last-modified-date.rb
new file mode 100644
index 00000000..834d39f3
--- /dev/null
+++ b/_plugins/hook-add-last-modified-date.rb
@@ -0,0 +1,22 @@
+# see https://stackoverflow.com/a/36769049/17860466
+
+Jekyll::Hooks.register :posts, :pre_render do |post|
+
+    # get the current post last modified time
+    modification_time = File.mtime( post.path )
+  
+    # inject modification_time in post's datas.
+    post.data['last-modified-date'] = modification_time
+  
+end
+
+
+Jekyll::Hooks.register :repo, :pre_render do |repo|
+
+    # get the current post last modified time
+    modification_time = File.mtime( repo.path )
+  
+    # inject modification_time in post's datas.
+    repo.data['last-modified-date'] = modification_time
+  
+end
\ No newline at end of file