From f1c7ac9576fb4df5fb2b882f57a717a5efdaec32 Mon Sep 17 00:00:00 2001
From: Antoine Jacoutot <antoine@mtier.org>
Date: Tue, 13 Aug 2013 14:15:45 +0200
Subject: [PATCH] Abort immediately if binpatch from an older release is
 installed.

---
 openup | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/openup b/openup
index 9541251..a4771ad 100755
--- a/openup
+++ b/openup
@@ -18,7 +18,6 @@
 
 # TODO
 # https://stable.mtier.org/vuxml/53.xml
-# check for installed binpatches from a previous release
 # extend usage() with doc from web; complete openup doc in usage()
 
 ### user defined variables
@@ -27,8 +26,7 @@ PKG_CERT_URL='https://stable.mtier.org/mtier.cert'
 PKG_CERT_FPRINT='DE:29:0F:7F:B8:0E:36:5A:AF:A9:BF:E0:4E:08:C2:0F:2D:50:16:97'
 ### end of user defined variables
 
-
-# DO NOT MODIFY ANYTHING BELOW THIS LINE!!!
+### DO NOT MODIFY ANYTHING BELOW THIS LINE!!!
 
 usage() {
 	echo "usage: ${0##*/} [-SUn]" >&2
@@ -59,6 +57,17 @@ if ! grep -q installpath /etc/pkg.conf 2>/dev/null; then
 	fi
 fi
 
+# check that we have no installed binpatches from a previous release
+_BPLIST=$(pkg_info -q |grep binpatch)
+if [ -n "${_BPLIST}" ]; then
+	_i=$(echo ${_BPLIST} | wc -w)
+	_v=$(echo ${BPLIST} | grep binpatch${REL_INT} | wc -w)
+	if [ "${_i}" -ne "${_v}" ]; then
+		error "Binpatch(es) from a previous release installed"
+	fi
+fi
+unset _BPLIST
+
 OPENUP_VERSION=2
 OPENUP_MINREL=53
 MEESA=$(readlink -f $0)