From 5e8d54eef7048304170e86a8c58d006ce63f9a5d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 23 Nov 2006 17:46:55 +0000
Subject: [PATCH] * Remove /etc/mtab on boot. * Start an emergency shell if we
 can't remount / read-writable.

svn path=/nixu/trunk/; revision=7097
---
 test/boot-stage-2-init.sh | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/test/boot-stage-2-init.sh b/test/boot-stage-2-init.sh
index 75ff879883e..9edb255f3d5 100644
--- a/test/boot-stage-2-init.sh
+++ b/test/boot-stage-2-init.sh
@@ -21,11 +21,12 @@ done
 
 # Mount special file systems, initialise required directories.
 
-rm -f /etc/mtab
-
 if test -z "@readOnlyRoot@"; then
     #rootDev=$(grep "/dev/.* / " /proc/mounts | sed 's/^\([^ ]*\) .*/\1/')
-    mount -o remount,rw /dontcare / # !!! check for failure
+    if mount -t dontcare -o remount,rw /dontcare /; then
+	echo "Couldn't remount / read-writable, starting emergency shell!"
+	exec @shell@
+    fi
 fi
 
 needWritableDir() {
@@ -40,7 +41,8 @@ needWritableDir /etc 0755 -n # to shut up mount
 
 test -e /etc/fstab || touch /etc/fstab # idem
 
-mount -t proc none /proc
+mount -n -t proc none /proc
+cp /proc/mounts /etc/mtab
 mount -t sysfs none /sys
 mount -t tmpfs -o "mode=0755" none /dev
 needWritableDir /tmp 01777