===================================================================
RCS file: /cvs/openbsd/fw_update/fw_install.sh,v
retrieving revision 1.106
retrieving revision 1.107
diff -u -r1.106 -r1.107
--- openbsd/fw_update/fw_install.sh	2021/12/23 01:25:29	1.106
+++ openbsd/fw_update/fw_install.sh	2021/12/23 02:16:03	1.107
@@ -1,5 +1,5 @@
 #!/bin/ksh
-#	$OpenBSD: fw_install.sh,v 1.106 2021/12/23 01:25:29 afresh1 Exp $
+#	$OpenBSD: fw_install.sh,v 1.107 2021/12/23 02:16:03 afresh1 Exp $
 #
 # Copyright (c) 2021 Andrew Hewus Fresh <afresh1@openbsd.org>
 #
@@ -196,6 +196,12 @@
 	# TODO: Check hash for files before deleting
 	"$VERBOSE" && echo "Uninstalling $_pkg"
 	_cwd="${_pkgdir}/$_pkg"
+
+	if [ ! -e "$_cwd/+CONTENTS" ] ||
+	    ! grep -Fxq '@option firmware' "$_cwd/+CONTENTS"; then
+		echo "${0##*/}: $_pkg does not appear to be firmware" >&2
+		return 2
+	fi
 
 	set -A _remove -- "${_cwd}/+CONTENTS" "${_cwd}"