--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Makefile	Thu Dec 24 00:31:53 2015 +0100
@@ -0,0 +1,4 @@
+var/version.tt:	once.pl
+	# $@
+	@-mkdir -p $(dir $@)
+	@echo '[% vcs.version = "'`hg describe`'" %]' > $@