ubuntu-defaults-builder 0.30 / usr / bin / ubuntu-defaults-image

#! /bin/sh
# Build an image based on an Ubuntu flavour plus a defaults package.
#
# Authors: Colin Watson <cjwatson@ubuntu.com>
#          Martin Pitt <martin.pitt@ubuntu.com>
# Copyright: (C) 2011 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

set -e

LOCALE=
PACKAGE=
ARCH=
COMPONENTS=
PPA=
FLAVOUR=ubuntu
SUITE=$(lsb_release -sc)
DELETE_APT_LISTS="rm -vf /var/lib/apt/lists/*_*"

if which dpkg-architecture >/dev/null 2>&1; then
	ARCH="$(dpkg-architecture -qDEB_HOST_ARCH)"
fi

help () {
    cat >&2 <<EOF
Usage: $0 {--locale code|--package name} [options]


Options:
  --locale ll_CC          : Same as --package ubuntu-defaults-ll-cc
  --package               : Install additional package; can be a name or path to a local .deb
  --arch                  : Architecture [default: $ARCH]
  --release RELEASE       : Ubuntu release the image is based on [default: $SUITE]
  --components COMPONENTS : List of archive components to enable [default: main,restricted]
  --ppa USER/PPANAME      : Enable additional PPA [default: none]
  --keep-apt              : Do not remove apt indexes from live system
  --keep-apt-components COMPONENTS : 
                            Do not remove apt indexes for selected components from live
                            system [default: none]

EOF
}

# add $PPA
add_ppa () {
    local FINGERPRINT=`wget -q -O- https://launchpad.net/api/1.0/~${PPA%/*}/+archive/${PPA#*/}/signing_key_fingerprint`
    if ! expr match "$FINGERPRINT" '^\"[a-zA-Z0-9]\{16,\}"$' >/dev/null; then
	echo "Invalid fingerprint returned by Launchpad: $FINGERPRINT" >&2
	exit 1
    fi
    # chop off enclosing quotes
    FINGERPRINT=${FINGERPRINT%'"'}
    FINGERPRINT=${FINGERPRINT#'"'}

    # fetch GPG key
    gpg --no-default-keyring --primary-keyring config/archives/ubuntu-defaults.chroot.key  --keyserver keyserver.ubuntu.com --recv-key "$FINGERPRINT"

    # add PPA apt source
    local DEB_PPA="deb http://ppa.launchpad.net/$PPA/ubuntu $SUITE main"
    echo "$DEB_PPA" > config/archives/ubuntu-defaults.chroot.list
    echo "$DEB_PPA" > config/archives/ubuntu-defaults.binary.list
}

eval set -- "$(getopt -o '' -l help,locale:,keep-apt,keep-apt-components:,package:,arch:,release:,components:,ppa: -- "$@")" || { help; exit 1; }
while :; do
    case $1 in
	--help)
	    help
	    exit 0
	    ;;
	--locale)
	    LOCALE="$2"
	    shift 2
	    ;;
	--package)
	    PACKAGE="$2"
	    shift 2
	    ;;
	--arch)
	    ARCH="$2"
	    shift 2
	    ;;
	--release)
	    SUITE="$2"
	    shift 2
	    ;;
	--components)
	    COMPONENTS="$(echo "$2" | sed 's/,/ /g' | tr -s ' ')"
	    shift 2
	    ;;
	--ppa)
	    PPA="$2"
	    if ! expr match "$PPA" '^[[:alnum:]-]\+/[[:alnum:]-]\+$' >/dev/null; then
		echo "Invalid PPA specification, must be lp_username/ppaname" >&2
		exit 1
	    fi
	    shift 2
	    ;;
        --keep-apt)
            DELETE_APT_LISTS="rm -vf /var/lib/apt/lists/*_Translation-*"
            shift
            ;;
        --keep-apt-components)
            components="$(echo "$2" | sed 's/,/ /g')"
            DELETE_APT_LISTS="rm -vf /var/lib/apt/lists/*_Translation-*
rm -vf /var/lib/apt/lists/*_main_*
rm -vf /var/lib/apt/lists/*_restricted_*
rm -vf /var/lib/apt/lists/*_universe_*
rm -vf /var/lib/apt/lists/*_multiverse_*"
            for comp in $components; do
                    case $comp in
                            main|restricted|universe|multiverse)
                                DELETE_APT_LISTS=$(echo "$DELETE_APT_LISTS" | grep -v $comp)
                                ;;
                            *)
                                echo "ERROR: unknown component $comp"
                                exit 1
                                ;;
                    esac
            done
            shift 2
            ;;
	--)
	    shift
	    break
	    ;;
	*)
	    help
	    exit 1
	    ;;
    esac
done

if ([ -z "$LOCALE" ] && [ -z "$PACKAGE" ]) || [ -z "$ARCH" ]; then
    help
    exit 1
fi

if [ "$LOCALE" ] && [ -z "$PACKAGE" ]; then
    PACKAGE="ubuntu-defaults-$(echo "$LOCALE" | tr '_A-Z' '-a-z')"
fi

if [ "$(id -u)" = 0 ]; then
    SUDO=env
else
    SUDO=sudo
fi

# Make sure all our dependencies (which are Recommends of our package) are
# installed.  This is a bit dubious long-term, but seems to be needed to
# make autobuilds reliable.
case $ARCH in
    *amd64|*i386)
	$SUDO apt-get -y install syslinux-themes-ubuntu gfxboot-theme-ubuntu memtest86+ syslinux
	;;
esac
$SUDO apt-get -y install genisoimage

rm -rf auto
mkdir -p auto
for f in config build clean; do
    ln -s "/usr/share/livecd-rootfs/live-build/auto/$f" auto/
done
$SUDO lb clean
rm -f .stage/config

SUITE="$SUITE" PROJECT="$FLAVOUR" ARCH="$ARCH" \
    IMAGEFORMAT=squashfs BINARYFORMAT=iso-hybrid lb config

if [ "$COMPONENTS" ]; then
    sed -i "s/^\\(LB_PARENT_ARCHIVE_AREAS=\\).*/\\1\"$COMPONENTS\"/" \
	config/bootstrap
fi

sed -i "s/^\\(LB_SYSLINUX_THEME=\\).*/\\1\"ubuntu-$SUITE\"/" config/binary

if [ "${PACKAGE%.deb}" = "$PACKAGE" ]; then
    # package name, apt-get'able
    echo "$PACKAGE" >> config/package-lists/ubuntu-defaults.chroot_install.list
else
    # local deb
    cp "$PACKAGE" config/chroot_packages/
fi

if [ -n "$PPA" ]; then
    add_ppa
fi

PACKAGENAME=${PACKAGE%%_*}
PACKAGENAME=${PACKAGENAME##*/}

# install language support hook (try the one from the source tree first)
HOOK=$(dirname $(readlink -f $0))/../lib/language-support-hook
if ! [ -e "$HOOK" ]; then
    HOOK=/usr/share/ubuntu-defaults-builder/language-support-hook
fi
sed "s/#DEFAULTS_PACKAGE#/$PACKAGENAME/" < "$HOOK" > config/chroot_local-hooks/00_language-support

# work around live-build failure with lzma initramfs (Debian #637979)
sed -i 's/^LB_INITRAMFS_COMPRESSION="lzma"/LB_INITRAMFS_COMPRESSION="gzip"/' config/common

# run hooks from defaults package
cat <<EOF > config/chroot_local-hooks/10_ubuntu-defaults
#!/bin/sh
set -e
HOOK=/usr/share/$PACKAGENAME/hooks/chroot
if [ -x \$HOOK ]; then
    \$HOOK
fi
EOF

# clean up files that we do not need
cat <<EOF > config/chroot_local-hooks/90_cleanup
#!/bin/sh
set -e
echo "$0: Removing unnecessary files..."
rm -vf /var/cache/apt/*cache.bin
$DELETE_APT_LISTS
rm -vrf /tmp/*
EOF

# rename kernel and initrd to what syslinux expects
cat <<EOF > config/binary_local-hooks/rename-kernel
#!/bin/sh -e
if [ ! -e binary/casper/initrd.lz ]; then
    zcat binary/casper/initrd.img-* | lzma -c > binary/casper/initrd.lz
    rm binary/casper/initrd.img-*
fi
if [ ! -e binary/casper/vmlinuz ]; then
    mv binary/casper/vmlinuz-* binary/casper/vmlinuz
fi
EOF

# set default language
cat <<EOF > config/binary_local-hooks/default-language
#!/bin/sh -e
LOC=chroot/usr/share/$PACKAGENAME/language.txt
if [ -e "\$LOC" ]; then
    cp "\$LOC" binary/isolinux/lang
    echo >> binary/isolinux/lang
fi
EOF

DISPLAY= $SUDO PROJECT="$FLAVOUR" ARCH="$ARCH" lb build