Index: head/CHANGES
===================================================================
--- head/CHANGES
+++ head/CHANGES
@@ -26,6 +26,13 @@
 
   	DEFAULT_VERSIONS+=librsvg2=legacy
 
+20210327;
+AUTHOR: bapt@FreeBSD.org
+
+  New @touch keyword
+  Its purpose is to ensure that a file is being created at install time
+  while not necessary tracked by the package.
+
 20201120:
 AUTHOR: pauamma@gundo.com
 
Index: head/Keywords/touch.ucl
===================================================================
--- head/Keywords/touch.ucl
+++ head/Keywords/touch.ucl
@@ -0,0 +1,10 @@
+# $FreeBSD$
+#
+# MAINTAINER:	portmgr@FreeBSD.org
+actions: []
+arguments: true
+post-install-lua: <<EOD
+	for i=1, #arg do
+		assert(io.open(pkg.prefixed_path(arg[i]), "a"):close())
+	end
+EOD