host: add pkg check for non debian/redhat

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

tools/host_det.sh

@@ -625,6 +625,28 @@ elif [ "${git_major}" -eq "${compare_major}" ] ; then
 	fi
 fi
 
+echo "-----------------------------"
+unset NEEDS_COMMAND
+check_for_command () {
+	if ! which "$1" >/dev/null 2>&1 ; then
+		echo "You're missing command $1"
+		NEEDS_COMMAND=1
+	else
+		version=$(LC_ALL=C $1 $2 | head -n 1)
+		echo "$1: $version"
+	fi
+}
+
+unset NEEDS_COMMAND
+check_for_command cpio --version
+check_for_command lzop --version
+
+if [ "${NEEDS_COMMAND}" ] ; then
+	echo "Please install missing commands"
+	echo "-----------------------------"
+	exit 2
+fi
+
 case "$BUILD_HOST" in
     redhat*)
 	    redhat_reqs || error "Failed dependency check"