From c83cdd2cfb05c9b094f6b1c2ce7cd7c8b7e8d72b Mon Sep 17 00:00:00 2001
From: Ian Jackson <ian.jackson@citrix.com>
Date: Fri, 21 Sep 2018 17:52:42 +0100
Subject: [PATCH] wip

---
 debian/rules | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/debian/rules b/debian/rules
index f69f31d772..025c756db4 100755
--- a/debian/rules
+++ b/debian/rules
@@ -24,6 +24,14 @@ SHELL    := bash -e
 upstream_version := \
  $(shell dpkg-parsechangelog -SVersion | sed 's/\(\.[0-9]*\)\..*/\1/' )
 
+# We take all files named   debian/*.vsn-in
+# and do these three things to them:
+#  1. substitute @version@ in the file contents with the version
+#     number (the one from $(upstream_version))
+#  2. replace any V in the file *name* with that same version
+#  3. strip .vsn-in from the end
+# The resulting files are mainly consumed by dh.
+
 TEMPLATE_FILES := $(wildcard debian/*.vsn-in)
 
 define template_rule_template =
-- 
2.30.2