Fix upstream version parsing

The sed regex is greedy, so 17.08-rc2-0vyatta1 returns 17.08-rc2.
Match everything until the separator instead.
Also use dpkg-parsechangelog --show-field Version to simplify it
further. It's available since dpkg-dev 17.0 which is in both
Ubuntu 14.04 and Debian 8.

Change-Id: Ie3ef44b5573d6ee586e8cf291f307c0539976ead
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

diff --git a/debian/rules b/debian/rules
index cff34ae..e9e66e3 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -4,7 +4,7 @@
 export DH_VERBOSE=1
 export DH_OPTIONS=-v
 
-VERSION := $(shell dpkg-parsechangelog | sed -nr '/^Version:/s/Version: (.*:)?(.*)-(.*)/\2/p')
+VERSION := $(shell dpkg-parsechangelog --show-field Version | sed -nr 's/(.*:)?([^-])(-.*)/\2/p')
 DPDK_ABI := $(shell echo $(VERSION) | cut -d '.'  -f1-2)
 
 # see EXAMPLES in dpkg-buildflags(1) and read /usr/share/dpkg/*