Refactor ubuntu-cpc hooks to hard-code producing an 'ext4' rootfs, which

is used outside of the livecd-rootfs build process (specifically for EC2
publication).

debian/changelog

@@ -1,9 +1,15 @@
 livecd-rootfs (2.380) UNRELEASED; urgency=medium
 
+  [ Ben Howard ]
   * live-build/ubuntu-cpc/hooks/042-vagrant.binary: add serial device for
     Vagrant images (LP: #1546108).
 
- -- Ben Howard <ben.howard@ubuntu.com>  Mon, 22 Feb 2016 07:25:55 -0700
+  [ Daniel Watkins ]
+  * Refactor ubuntu-cpc hooks to hard-code producing an 'ext4' rootfs, which
+    is used outside of the livecd-rootfs build process (specifically for EC2
+    publication).
+
+ -- Daniel Watkins <daniel.watkins@canonical.com>  Mon, 22 Feb 2016 11:29:26 +0000
 
 livecd-rootfs (2.379) xenial; urgency=medium
 

live-build/auto/config

@@ -103,7 +103,7 @@ add_binary_hook ()
 
 case $PROJECT in
 	ubuntu-cpc)
-		IMAGEFORMAT=plain
+		IMAGEFORMAT=ext4
 		;;
 esac
 
@@ -117,7 +117,13 @@ case $IMAGEFORMAT in
 				COMPONENTS='main restricted universe multiverse'
 				;;
 			*)
-				add_package live jasper
+				case $PROJECT in
+					ubuntu-cpc)
+						;;
+					*)
+						add_package live jasper
+						;;
+				esac
 				;;
 		esac
 		;;

live-build/ubuntu-cpc/hooks/030-root-tarball.binary

@@ -7,6 +7,9 @@ fi
 
 . /build/config/functions
 
+mkdir binary/boot/filesystem.dir
+cp -a chroot/* binary/boot/filesystem.dir
+
 setup_mountpoint binary/boot/filesystem.dir
 
 chroot binary/boot/filesystem.dir dpkg-divert --local --rename /usr/sbin/grub-probe