Depend on packages instead of installing them at run time

debian/control

@@ -12,18 +12,26 @@ Depends: ${misc:Depends},
          android-tools-fsutils [armhf],
          apt-utils,
          debootstrap,
+         dosfstools,
          e2fsprogs,
+         gdisk,
+         genisoimage,
          germinate (>= 1.25.1),
          gnupg,
          grep-dctrl,
+         kpartx,
          live-build (>= 3.0~a57-1ubuntu25.5~),
          lsb-release,
          lzma,
+         parted,
          procps,
          python-minimal | python,
          python3-software-properties,
+         qemu-utils,
          rsync,
-         squashfs-tools (>= 1:3.3-1)
+         squashfs-tools (>= 1:3.3-1),
+         vmdk-stream-converter [amd64 i386],
+         zerofree
 Suggests: partimage
 Breaks: ubuntu-defaults-builder (<< 0.32)
 Description: construction script for the livecd rootfs

live-build/ubuntu-cpc/functions

@@ -8,8 +8,6 @@ loop_device=
 loop_raw=
 backing_img=
 
-apt-get -qqy install dosfstools gdisk
-
 clean_loops() {
     local kpartx_ret
     local kpartx_stdout
@@ -51,7 +49,6 @@ make_ext4_partition() {
 }
 
 mount_image() {
-    apt-get install -qqy kpartx
     trap clean_loops EXIT
     backing_img="$1"
     local rootpart="$2"
@@ -153,7 +150,6 @@ umount_partition() {
 
         # both of these are likely overkill, but it does result in slightly
         # smaller ext4 filesystem
-        apt-get -qqy install zerofree
         e2fsck -y -E discard ${rootfs_dev_mapper}
         zerofree ${rootfs_dev_mapper}
     fi
@@ -227,7 +223,6 @@ create_vmdk() {
     destination="$2"
     size="${3:-10240}"
 
-    apt-get install -qqy qemu-utils vmdk-stream-converter
     streamconverter="/usr/share/pyshared/VMDKstream.py"
     scratch_d=$(mktemp -d)
     cp ${src} ${scratch_d}/resize.img
@@ -260,7 +255,6 @@ create_derivative() {
 }
 
 convert_to_qcow2() {
-    apt-get install -qqy qemu-utils
 
     src="$1"
     destination="$2"

live-build/ubuntu-cpc/hooks/032-disk-image.binary

@@ -27,8 +27,6 @@ case $ARCH:$SUBARCH in
 esac
 
 create_empty_partition_table() {
-    apt-get install -qqy parted
-
     parted "$1" --script -- mklabel msdos
 }
 

live-build/ubuntu-cpc/hooks/032-root-squashfs.binary

@@ -7,8 +7,6 @@ if [ -n "$SUBARCH" ]; then
 	exit 0
 fi
 
-apt-get -qqy install squashfs-tools
-
 squashfs_f="${PWD}/livecd.ubuntu-cpc.squashfs"
 squashfs_f_manifest="${squashfs_f}.manifest"
 

live-build/ubuntu-cpc/hooks/033-disk-image-uefi.binary

@@ -11,8 +11,6 @@ esac
 
 . config/functions
 
-apt-get -qqy install dosfstools gdisk
-
 create_partitions() {
     disk_image="$1"
     sgdisk "${disk_image}" --zap-all
@@ -128,7 +126,6 @@ EOF
 
     rm mountpoint/tmp/device.map
     umount mountpoint/boot/efi
-    apt-get install -qqy udev
     mount
     umount_partition mountpoint
     rmdir mountpoint

live-build/ubuntu-cpc/hooks/034-disk-image-ppc64el.binary

@@ -11,7 +11,6 @@ esac
 
 create_partitions() {
     disk_image="$1"
-    apt-get install -qqy gdisk
     sgdisk "${disk_image}" \
         --zap-all
     sgdisk "${disk_image}" \

live-build/ubuntu-cpc/hooks/040-qcow2-image.binary

@@ -10,7 +10,6 @@ case $ARCH:$SUBARCH in
 		;;
 esac
 
-apt-get install -qqy qemu-utils
 
 . config/functions
 

live-build/ubuntu-cpc/hooks/042-vagrant.binary

@@ -37,9 +37,6 @@ esac
 
 . config/functions
 
-# Virtualbox is needed for making a small VMDK
-apt-get -qqy install genisoimage qemu-utils
-
 # Lets be safe about this
 box_d=$(mktemp -d)
 seed_d=$(mktemp -d)