Renove old binpatches entries; not bumping yet, I prefer to have it

in a wild for a bit.

openup

@@ -83,18 +83,6 @@ if [ -n "${_badrel}" ]; then
 	exit 1
 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
-		pr_error "Binpatch(es) from a previous release installed"
-		exit 1
-	fi
-fi
-unset _BPLIST
-
 _ARCH=$(arch -s)
 _TMPDIR="${TMPDIR:=/tmp}"
 _TMPCERT=$(mktemp -p ${_TMPDIR} .openup-pkg_cert.XXXXXXXXXX) || exit 1
@@ -162,6 +150,23 @@ check_openupd() {
 	fi
 }
 
+# check that we have no installed binpatches from a previous release and
+# if so remove the entries manually (we don't want pkg_delete to
+# nodify nor error out on installed files from newer release/binpatch)
+rm_old_bp() {
+	local _bp
+	local _BPDB=$(ls -d /var/db/binpatch/[0-9]* |grep -v ${_REL})
+	local _BPPKG=$(ls -d /var/db/pkg/binpatch* |grep -v binpatch${_REL_INT})
+	if [ -n "${_BPPKG}" -o -n "${_BPDB}" ]; then
+		pr_bigarrow "Removing old binpatch(es) entry"
+	fi
+	for _bp in ${_BPPKG} ${_BPDB}; do
+		_CMD="rm -rf ${_bp}"
+		pr_smallarrow "${_CMD}"
+		cmd.exe ${_CMD}
+	done
+}
+
 update_binpatches() {
 	local _BP _CMD
 
@@ -269,6 +274,7 @@ if [ "${checkmode}" ]; then
 
 else
 	if [ -z "${nosig}" ]; then get_cert; fi
+	rm_old_bp
 	update_binpatches
 	update_pkg
 fi