rewrite remount in awk

remount

@@ -1,12 +1,24 @@
-#!/usr/bin/env bash
-if [ $(rorw) = "ro" ]; then
-	set -x
-	sudo -K
-	sudo mount -t tmpfs tmpfs /var/lib/apt
-	sudo mount -t tmpfs tmpfs /var/cache/apt
-	sudo mount -o remount,rw /
-	sudo -K
-elif [ $(rorw) = "rw" ]; then
-	set -x
-	sudo -k mount -o remount,ro /
-fi
+#!/usr/bin/awk -f
+BEGIN {
+	FS = "[ ,]"
+	ARGC=2;
+	ARGV[1]="/proc/mounts";
+}
+{
+	if ( $2 == "/" && $3 != "rootfs" ) {
+			if ( $4 == "ro" ) {
+					print "remounting rootfs as readwrite";
+					system("sudo -K");
+					system("set -x; sudo mount -t tmpfs tmpfs /var/lib/apt");
+					system("set -x; sudo mount -t tmpfs tmpfs /var/cache/apt");
+					system("set -x; sudo mount -o remount,rw /");
+					system("sudo -K");
+			}
+			if ( $4 == "rw" ) {
+					print "remounting rootfs as readonly";
+					system("sudo -K");
+					system("set -x; sudo mount -o remount,ro /");
+					system("sudo -K");
+			}
+	}
+}