Import patches-unapplied version 1.153 to ubuntu/natty

Imported using git-ubuntu import.

Changelog parent: ce1bd427427cce642bc287130802a113cca0f485

New changelog entries:
  * Update default suite in BuildLiveCD to natty.
  * Use --force-unsafe-io for all dpkg operations.  If we crash we'll just
    destroy the chroot and start from scratch, so syncing is pointless.

BuildLiveCD

@@ -27,7 +27,7 @@ fi
 ARCH=$(dpkg --print-architecture)
 SUBARCH=""
 SUBARCHARG=""
-NEWSUITE="maverick"
+NEWSUITE="natty"
 SUITES=""
 PROPOSED=""
 IMAGEFORMAT=""

debian/changelog

@@ -1,3 +1,11 @@
+livecd-rootfs (1.153) natty; urgency=low
+
+  * Update default suite in BuildLiveCD to natty.
+  * Use --force-unsafe-io for all dpkg operations.  If we crash we'll just
+    destroy the chroot and start from scratch, so syncing is pointless.
+
+ -- Colin Watson <cjwatson@ubuntu.com>  Sat, 04 Dec 2010 12:02:15 +0000
+
 livecd-rootfs (1.152) maverick; urgency=low
 
   * livecd.sh:

livecd.sh

@@ -239,6 +239,11 @@ for FS in "$@"; do
         mount -t tmpfs -o size=8192M tmpfs ${ROOT} && echo using tmpfs
     fi
 
+    mkdir -p ${ROOT}etc/dpkg/dpkg.cfg.d
+    cat << @@EOF > ${ROOT}etc/dpkg/dpkg.cfg.d/livecd-rootfs
+force-unsafe-io
+@@EOF
+
     mkdir -p ${ROOT}var/cache/debconf
     cat << @@EOF > ${ROOT}var/cache/debconf/config.dat
 Name: debconf/frontend
@@ -719,6 +724,8 @@ Pin-Priority: 550
     # And now that we're done messing with debconf, destroy the backup files:
     rm -f ${ROOT}/var/cache/debconf/*-old
 
+    rm -f ${ROOT}/etc/dpkg/dpkg.cfg.d/livecd-rootfs
+
     # show the size of directories in /usr/share/doc
     checkpoint "Checking size of /usr/share/doc"
     echo BEGIN docdirs