From d81a463bfe3a425acf0a0ee9c3880601b230d63a Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sat, 4 Jan 2014 09:18:07 +0100
Subject: [PATCH] Calculate a unique site config version specifier

---
 include/gluon.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/gluon.mk b/include/gluon.mk
index b86469abb..97d382d7d 100644
--- a/include/gluon.mk
+++ b/include/gluon.mk
@@ -21,6 +21,10 @@ $(GLUON_SITEDIR)/site.mk:
 
 -include $(GLUON_SITEDIR)/site.mk
 
+
+GLUON_CONFIG_VERSION := $(shell cd $(GLUON_SITEDIR) && git describe --always --dirty=.$$(stat -c %Y $(GLUON_SITEDIR)/site.conf))
+export GLUON_CONFIG_VERSION
+
 define merge-lists
 $(1) :=
 $(foreach var,$(2),$(1) := $$(sort $$(filter-out -% $$(patsubst -%,%,$$(filter -%,$$($(var)))),$$($(1)) $$($(var))))
-- 
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