redo ubuntu-touch-android.sh to use its own build chroot since we can not add universe to the livefs builder root

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.122) UNRELEASED; urgency=low
+
+  * redo ubuntu-touch-android.sh to use its own build chroot since we can not
+    add universe support to the livefs builder chroot
+
+ -- Oliver Grawert <ogra@ubuntu.com>  Mon, 15 Apr 2013 20:18:32 +0200
+
 livecd-rootfs (2.121) raring; urgency=low
 
   * ubuntu-touch-android.sh: enable universe in the build chroot

ubuntu-touch-android.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 
@@ -8,33 +8,55 @@ release=raring
 
 [ "$(dpkg --print-architecture)" = "amd64" ] || exit 1
 
-# enable universe in the build chroot
-grep -q universe /etc/apt/sources.list || echo "deb http://ftpmaster.internal/ubuntu $release universe" >>/etc/apt/sources.list
-
-# set up multiarch
-dpkg --print-foreign-architectures | grep -q i386 || dpkg --add-architecture i386
-apt-get update
+# set up a build chroot
+case $(hostname --fqdn) in
+	*.buildd)
+		MIRROR=http://ftpmaster.internal/ubuntu
+		;;
+	*)
+		MIRROR=http://archive.ubuntu.com/ubuntu
+		;;
+esac
+debootstrap --omponents=ain,universe $release $builddir $MIRROR
+
+mount -t devpts devpts-$builddir $builddir/dev/pts
+chroot mount -t proc proc-$builddir /proc
+chroot mount -t sysfs sys-$builddir /sys
+
+# set up multiarch inside the chroot
+chroot $builddir dpkg --add-architecture i386
+chroot $builddir apt-get update
 
 # add cross build env including the needed i386 packages
-apt-get -y install git gnupg flex bison gperf build-essential \
+chroot $builddir apt-get -y install git gnupg flex bison gperf build-essential \
     zip bzr curl libc6-dev libncurses5-dev:i386 x11proto-core-dev \
     libx11-dev:i386 libreadline6-dev:i386 libgl1-mesa-glx:i386 \
     libgl1-mesa-dev g++-multilib mingw32 tofrodos phablet-tools \
     python-markdown libxml2-utils xsltproc zlib1g-dev:i386 schedtool \
 	openjdk-6-jdk
 
-# get the git tree
-phablet-dev-bootstrap -v $codename $builddir
+# create an in chroot script to get the git tree and build it
+cat << 'EOF' > $builddir/build-android.sh
+#!/bin/bash
 
+phablet-dev-bootstrap -v $codename $builddir
 cd $builddir
 repo sync
-
 . build/envsetup.sh
 brunch $codename
+EOF
+
+chmod +x $builddir/build-android.sh
+
+chroot $builddir /build-android.sh
 
-cd -
-cp $builddir/out/target/product/$codename/*-$codename.zip ./livecd.ubuntu-touch-$codename.zip
+cp $builddir/$builddir/out/target/product/$codename/*-$codename.zip ./livecd.ubuntu-touch-$codename.zip
 for image in system recovery boot; do
-	cp $builddir/out/target/product/$codename/$image.img ./livecd.ubuntu-touch-$codename.$image.img
+	cp $builddir/$builddir/out/target/product/$codename/$image.img ./livecd.ubuntu-touch-$codename.$image.img
 done
-rm -rf $buildir
+
+umount $builddir/sys
+umount $builddir/proc
+umount $builddir/dev/pts
+
+rm -rf $builddir