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livecd-rootfs/live-build/auto/build

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#! /bin/sh
set -e
export LC_ALL=C
( . "${LIVE_BUILD}/scripts/build.sh" > /dev/null 2>&1 || true ) || . /usr/lib/live/build.sh
Arguments "${@}"
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
rm -f binary.success
(
if [ -d config/gnupg ]; then
cat << @@EOF > config/gnupg/NEWKEY
Key-Type: DSA
Key-Length: 1024
Key-Usage: sign
Name-Real: Ubuntu Local Archive One-Time Signing Key
Name-Email: cdimage@ubuntu.com
Expire-Date: 0
@@EOF
gpg --home config/gnupg --gen-key --batch < config/gnupg/NEWKEY \
> config/gnupg/generate.log 2>&1 &
GPG_PROCESS=$!
fi
lb bootstrap "$@"
Chroot chroot "dpkg-divert --quiet --add \
--divert /usr/sbin/update-initramfs.REAL --rename \
/usr/sbin/update-initramfs"
cat > chroot/usr/sbin/update-initramfs <<'EOF'
#! /bin/sh
if [ $# != 1 ] || [ "$1" != -u ]; then
exec update-initramfs.REAL "$@"
fi
echo "update-initramfs: diverted by livecd-rootfs (will be called later)" >&2
exit 0
EOF
chmod +x chroot/usr/sbin/update-initramfs
cat > config/hooks/999-undivert-update-initramfs.chroot <<'EOF'
#! /bin/sh
rm -f /usr/sbin/update-initramfs
dpkg-divert --quiet --remove --rename /usr/sbin/update-initramfs
EOF
lb chroot "$@"
if [ -f config/oem-config-preinstalled ]; then
# This is cargo-culted almost verbatim (with some syntax changes for
# preinstalled being slightly different in what it doesn't ask) from
# debian-installer's apt-setup:
codename=$LB_DISTRIBUTION
file="chroot/etc/apt/sources.list"
dists="main"
alldists="main"
if echo "$LB_PARENT_ARCHIVE_AREAS" | grep -q restricted; then
dists="$dists restricted"
alldists="$alldists restricted"
fi
if echo "$LB_PARENT_ARCHIVE_AREAS" | grep -q universe; then
UNIVERSE=true
else
UNIVERSE=false
fi
if echo "$LB_PARENT_ARCHIVE_AREAS" | grep -q multiverse; then
MULTIVERSE=true
else
MULTIVERSE=false
fi
cat > $file <<EOF
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb $LB_PARENT_MIRROR_BINARY $codename $dists
deb-src $LB_PARENT_MIRROR_BINARY $codename $dists
## Major bug fix updates produced after the final release of the
## distribution.
deb $LB_PARENT_MIRROR_BINARY $codename-updates $dists
deb-src $LB_PARENT_MIRROR_BINARY $codename-updates $dists
EOF
# Even if universe isn't enabled, we write example lines for it.
echo >> $file
if [ "$UNIVERSE" = true ]; then
alldists="$alldists universe"
COMMENT=
else
cat >> $file <<EOF
## Uncomment the following two lines to add software from the 'universe'
## repository.
EOF
COMMENT='# '
fi
cat >> $file <<EOF
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
${COMMENT}deb $LB_PARENT_MIRROR_BINARY $codename universe
${COMMENT}deb-src $LB_PARENT_MIRROR_BINARY $codename universe
${COMMENT}deb $LB_PARENT_MIRROR_BINARY $codename-updates universe
${COMMENT}deb-src $LB_PARENT_MIRROR_BINARY $codename-updates universe
EOF
# Multiverse is different, don't write anything unless enabled.
if [ "$MULTIVERSE" = true ]; then
alldists="$alldists multiverse"
cat >> $file <<EOF
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb $LB_PARENT_MIRROR_BINARY $codename multiverse
deb-src $LB_PARENT_MIRROR_BINARY $codename multiverse
deb $LB_PARENT_MIRROR_BINARY $codename-updates multiverse
deb-src $LB_PARENT_MIRROR_BINARY $codename-updates multiverse
EOF
fi
cat >> $file <<EOF
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
# deb $LB_PARENT_MIRROR_BINARY $codename-backports $alldists
# deb-src $LB_PARENT_MIRROR_BINARY $codename-backports $alldists
EOF
cat >> $file <<EOF
deb $LB_PARENT_MIRROR_BINARY $codename-security $dists
deb-src $LB_PARENT_MIRROR_BINARY $codename-security $dists
EOF
# Security sources for Ubuntu universe; not used much, but e.g. unsupported
# binary packages from a supported source package will end up here.
if [ "$UNIVERSE" = true ]; then
COMMENT=
else
COMMENT='# '
fi
cat >> $file <<EOF
${COMMENT}deb $LB_PARENT_MIRROR_BINARY $codename-security universe
${COMMENT}deb-src $LB_PARENT_MIRROR_BINARY $codename-security universe
EOF
# Security sources for Ubuntu multiverse, with the same caveats as for
# universe.
if [ "$MULTIVERSE" = true ]; then
COMMENT=
else
COMMENT='# '
fi
cat >> $file <<EOF
${COMMENT}deb $LB_PARENT_MIRROR_BINARY $codename-security multiverse
${COMMENT}deb-src $LB_PARENT_MIRROR_BINARY $codename-security multiverse
EOF
fi
if [ -d chroot/var/lib/preinstalled-pool ]; then
cat > config/indices/apt.conf <<-EOF
Dir {
ArchiveDir "chroot/var/lib/preinstalled-pool";
OverrideDir "config/indices";
CacheDir "config/indices";
}
Default { Packages::Compress ". bzip2"; }
TreeDefault { Directory "pool"; }
Tree "dists/$LB_DISTRIBUTION"
{
Sections "$LB_PARENT_ARCHIVE_AREAS";
Architectures "$LB_ARCHITECTURES";
BinOverride "override.$LB_DISTRIBUTION.\$(SECTION)";
ExtraOverride "override.$LB_DISTRIBUTION.extra.\$(SECTION)";
Contents " ";
}
EOF
for component in $LB_PARENT_ARCHIVE_AREAS; do
mkdir -p chroot/var/lib/preinstalled-pool/dists/$LB_DISTRIBUTION/$component/binary-$LB_ARCHITECTURES
done
apt-ftparchive generate config/indices/apt.conf
cat << @@EOF > chroot/etc/apt/sources.list.preinstall
# This is a sources.list entry for a small pool of packages
# provided on your preinstalled filesystem for your convenience.
#
# It is perfectly safe to delete both this entry and the directory
# it references, should you want to save disk space and fetch the
# packages remotely instead.
#
deb file:/var/lib/preinstalled-pool/ $LB_DISTRIBUTION $LB_PARENT_ARCHIVE_AREAS
#
@@EOF
cp chroot/etc/apt/sources.list chroot/etc/apt/sources.list.orig
cp chroot/etc/apt/sources.list.preinstall chroot/etc/apt/sources.list
echo "Waiting on gnupg ("$GPG_PROCESS") to finish generating a key."
wait $GPG_PROCESS
R_ORIGIN=$(lsb_release -i -s)
R_CODENAME=$(lsb_release -c -s)
R_VERSION=$(lsb_release -r -s)
R_PRETTYNAME=$(echo $R_CODENAME | sed -e 's/^\(.\)/\U\1/')
apt-ftparchive -o APT::FTPArchive::Release::Origin=$R_ORIGIN \
-o APT::FTPArchive::Release::Label=$R_ORIGIN \
-o APT::FTPArchive::Release::Suite=$R_CODENAME-local \
-o APT::FTPArchive::Release::Version=$R_VERSION \
-o APT::FTPArchive::Release::Codename=$R_CODENAME \
-o APT::FTPArchive::Release::Description="$R_ORIGIN $R_PRETTYNAME Local" \
release chroot/var/lib/preinstalled-pool/dists/$R_CODENAME/ \
> config/gnupg/Release
gpg --home config/gnupg --detach-sign --armor config/gnupg/Release
mv config/gnupg/Release \
chroot/var/lib/preinstalled-pool/dists/$R_CODENAME/Release
mv config/gnupg/Release.asc \
chroot/var/lib/preinstalled-pool/dists/$R_CODENAME/Release.gpg
apt-key --keyring chroot/etc/apt/trusted.gpg add config/gnupg/pubring.gpg
find chroot/var/lib/preinstalled-pool/ -name Packages | xargs rm
Chroot chroot "apt-get update"
cat chroot/etc/apt/sources.list.preinstall chroot/etc/apt/sources.list.orig \
> chroot/etc/apt/sources.list
rm chroot/etc/apt/sources.list.preinstall chroot/etc/apt/sources.list.orig
fi
if [ "$PROJECT" = "ubuntu-touch" ] && [ "$ARCH" = "armhf" ]; then
INFO_DESC="$(lsb_release -d -s)"
echo "$INFO_DESC - $ARCH ($BUILDSTAMP)" >chroot/etc/media-info
mkdir -p chroot/var/log/installer
Chroot chroot "ln -s /etc/media-info /var/log/installer/media-info"
fi
if [ "$PROJECT" = "ubuntu-cpc" ]; then
cat > chroot/etc/cloud/build.info << EOF
build_name: server
serial: $BUILDSTAMP
EOF
cat > chroot/etc/apt/sources.list << EOF
deb ${LB_PARENT_MIRROR_BINARY} ${LB_DISTRIBUTION} main restricted universe multiverse
deb ${LB_PARENT_MIRROR_BINARY} ${LB_DISTRIBUTION}-updates main restricted universe multiverse
deb ${LB_PARENT_MIRROR_BINARY_SECURITY} ${LB_DISTRIBUTION}-security main restricted universe multiverse
EOF
lb chroot_hosts install
lb chroot_resolv install
Chroot chroot "apt-get update"
lb chroot_resolv remove
lb chroot_hosts remove
fi
echo "===== Checking size of /usr/share/doc ====="
echo BEGIN docdirs
(cd chroot && find usr/share/doc -maxdepth 1 -type d | xargs du -s | sort -nr)
echo END docdirs
if which fdupes >/dev/null 2>&1; then
echo "===== Checking for duplicate files ====="
echo "first line: <total size for dupes> <different dupes> <all dupes>"
echo "data lines: <size for dupes> <number of dupes> <file size> <filename> [<filename> ...]"
echo BEGIN fdupes
(cd chroot \
&& fdupes --recurse --noempty --sameline --size --quiet usr \
| awk '/bytes each/ {s=$1} /^usr/ { n+=1; n2+=NF-1; sum+=s*(NF-1); print s*(NF-1), NF-1, s, $0 } END {print sum, n, n2}' \
| sort -nr
)
echo END fdupes
fi
lb binary "$@"
touch binary.success
) 2>&1 | tee binary.log
# bash has trouble with the build.sh sourcing arrangement at the top of this
# file, so we use this cheap-and-cheerful approach rather than the more
# correct 'set -o pipefail'.
if [ -e binary.success ]; then
rm -f binary.success
else
exit 1
fi
# Link output files somewhere BuildLiveCD will be able to find them.
PREFIX="livecd.$PROJECT${SUBARCH:+-$SUBARCH}"
case $LB_INITRAMFS in
casper)
INITFS="casper"
;;
live-boot)
INITFS="live"
;;
*)
INITFS="boot"
;;
esac
for OUTPUT in ext2 ext3 ext4 manifest manifest-remove size squashfs; do
[ -e "binary/$INITFS/filesystem.$OUTPUT" ] || continue
ln "binary/$INITFS/filesystem.$OUTPUT" "$PREFIX.$OUTPUT"
chmod 644 "$PREFIX.$OUTPUT"
done
for ISO in binary.iso binary.hybrid.iso; do
[ -e "$ISO" ] || continue
ln "$ISO" "$PREFIX.iso"
chmod 644 "$PREFIX.iso"
break
done
if [ -e "binary/$INITFS/filesystem.dir" ]; then
(cd "binary/$INITFS/filesystem.dir/" && tar -c *) | \
gzip -9 --rsyncable > "$PREFIX.rootfs.tar.gz"
chmod 644 "$PREFIX.rootfs.tar.gz"
elif [ -e binary-tar.tar.gz ]; then
cp -a binary-tar.tar.gz "$PREFIX.rootfs.tar.gz"
fi
# '--initramfs none' produces different manifest names.
if [ -e "binary/$INITFS/filesystem.packages" ]; then
ln "binary/$INITFS/filesystem.packages" "$PREFIX.manifest"
chmod 644 "$PREFIX.manifest"
fi
if [ -e "binary/$INITFS/filesystem.packages-remove" ]; then
# Not a typo, empty manifest-remove has a single LF in it. :/
if [ $(cat binary/$INITFS/filesystem.packages-remove | wc -c) -gt 1 ]; then
ln "binary/$INITFS/filesystem.packages-remove" "$PREFIX.manifest-remove"
chmod 644 "$PREFIX.manifest-remove"
fi
fi
for FLAVOUR in $LB_LINUX_FLAVOURS; do
if [ -z "$LB_LINUX_FLAVOURS" ] || [ "$LB_LINUX_FLAVOURS" = "none" ]; then
continue
fi
FLAVOUR=${FLAVOUR%%-lts-*}
if [ "$FLAVOUR" = "virtual" ]; then
# The virtual kernel is named generic in /boot
FLAVOUR="generic"
fi
KVERS="$( (cd "binary/$INITFS"; ls vmlinu?-* 2>/dev/null || true) | (fgrep -v .efi || true) | sed -n "s/^vmlinu.-\\([^-]*-[^-]*-$FLAVOUR\\)$/\\1/p" )"
if [ -z "$KVERS" ]; then
if [ -e "binary/$INITFS/vmlinuz" ]; then
# already renamed by ubuntu-defaults-image
break
fi
echo "No kernel output for $FLAVOUR!" >&2
exit 1
fi
NUMKVERS="$(set -- $KVERS; echo $#)"
if [ "$NUMKVERS" -gt 1 ]; then
echo "Cannot handle more than one kernel for $FLAVOUR ($KVERS)!" >&2
exit 1
fi
ln "binary/$INITFS/"vmlinu?-"$KVERS" "$PREFIX.kernel-$FLAVOUR"
if [ -e "binary/$INITFS/"vmlinu?-"$KVERS.efi.signed" ]; then
ln "binary/$INITFS/"vmlinu?-"$KVERS.efi.signed" "$PREFIX.kernel-$FLAVOUR.efi.signed"
chmod 644 "$PREFIX.kernel-$FLAVOUR.efi.signed"
fi
chmod 644 "$PREFIX.kernel-$FLAVOUR"
if [ -e "binary/$INITFS/initrd.img-$KVERS" ]; then
ln "binary/$INITFS/initrd.img-$KVERS" "$PREFIX.initrd-$FLAVOUR"
chmod 644 "$PREFIX.initrd-$FLAVOUR"
fi
done
NUMFLAVOURS="$(set -- $LB_LINUX_FLAVOURS; echo $#)"
if [ "$NUMFLAVOURS" = 1 ] && [ "$LB_LINUX_FLAVOURS" != "none" ]; then
# only one kernel flavour
FLAVOUR=${LB_LINUX_FLAVOURS%%-lts-*}
if [ -e "binary/$INITFS/vmlinuz" ]; then
ln "binary/$INITFS/vmlinuz" "$PREFIX.kernel"
else
ln -sf "$PREFIX.kernel-$LB_LINUX_FLAVOURS" "$PREFIX.kernel"
fi
if [ -e "binary/$INITFS/initrd.lz" ]; then
ln "binary/$INITFS/initrd.lz" "$PREFIX.initrd"
else
ln -sf "$PREFIX.initrd-$LB_LINUX_FLAVOURS" "$PREFIX.initrd"
fi
fi
if [ "$SUBARCH" = "ac100" ] || [ "$SUBARCH" = "nexus7" ]; then
# create the md5sum and size files for which we are actually doing all this
md5sum $PREFIX.rootfs.tar.gz >chroot/installer.md5
wc -c $PREFIX.rootfs.tar.gz >chroot/installer.size
INFO_DESC="$(lsb_release -d -s)"
INFO_STAMP=$(date +20%y%m%d-%H:%M)
echo "$INFO_DESC - $ARCH ($INFO_STAMP)" >chroot/media-info
# make sure update-initramfs feels cosy and warm in the environment
lb chroot_proc install "$@"
lb chroot_sysfs install "$@"
lb chroot_devpts install "$@"
# re-create initrd to contain the installer.md5 file
Chroot chroot "env FLASH_KERNEL_SKIP=1 update-initramfs -k all -t -u -v"
# create boot.img
Chroot chroot "abootimg --create /boot/installer-${KVERS}.img -f /boot/bootimg.cfg-$SUBARCH -r /boot/initrd.img-${KVERS} -k /boot/vmlinuz-${KVERS}"
if [ "$SUBARCH" = "nexus7" ]; then
# roll the android rootfs images
mkdir -p userdata
mv $PREFIX.rootfs.tar.gz userdata/rootfs.tar.gz
make_ext4fs -l 6G -s $PREFIX.ext4-$FLAVOUR userdata/
mv userdata/rootfs.tar.gz $PREFIX.rootfs.tar.gz
ln -sf "$PREFIX.ext4-$FLAVOUR" "$PREFIX.ext4"
fi
# clean up
lb chroot_devpts remove "$@"
lb chroot_sysfs remove "$@"
lb chroot_proc remove "$@"
cp "chroot/boot/installer-${KVERS}.img" "$PREFIX.bootimg-$FLAVOUR"
ln -sf "$PREFIX.bootimg-$FLAVOUR" "$PREFIX.bootimg"
fi
if [ "$PROJECT" = "ubuntu-touch" ]; then
sourceslist="chroot/etc/apt/sources.list"
lb chroot_proc install "$@"
lb chroot_sysfs install "$@"
lb chroot_devpts install "$@"
if [ -e "$PREFIX.manifest" ]; then
Chroot chroot "click list" | while read line; do
echo "click:$line" >>"$PREFIX.manifest"
done
fi
if [ -e chroot/etc/resolv.conf ]; then
mv chroot/etc/resolv.conf chroot/etc/resolv.conf.orig
fi
if [ -e /etc/resolv.conf ]; then
cp /etc/resolv.conf chroot/etc/resolv.conf
fi
mv "${sourceslist}" "${sourceslist}.orig"
mv "${sourceslist}.d" "${sourceslist}.d.orig"
echo "deb $LB_PARENT_MIRROR_CHROOT ${LB_DISTRIBUTION} main universe multiverse restricted" >$sourceslist
Chroot chroot "apt-get -y update"
Chroot chroot "apt-get -y install android"
if [ "$ARCH" = "armhf" ]; then
touchsubarches="flo manta grouper mako generic"
for subarch in $touchsubarches; do
cp chroot/usr/share/android/product/*-preinstalled-system-armel+${subarch}.img\
"${PREFIX}.system-armel+${subarch}.img"
cp chroot/usr/share/android/product/*-preinstalled-recovery-armel+${subarch}.img\
"${PREFIX}.recovery-armel+${subarch}.img"
cp chroot/usr/share/android/product/*-preinstalled-boot-armhf+${subarch}.img\
"${PREFIX}.boot-armhf+${subarch}.img"
# drop this following line once cdimage can handle -boot-*.img
cp "${PREFIX}.boot-armhf+${subarch}.img" "${PREFIX}.bootimg-${subarch}"
# Android 4.4.2 based images don't ship a .zip file, do not fail if it does not exist
cp chroot/usr/share/android/product/*-preinstalled-touch-armel+${subarch}.zip\
"${PREFIX}.armel+${subarch}.zip" || true
done
fi
if [ "$ARCH" = "i386" ]; then
touchsubarches="generic_x86"
for subarch in $touchsubarches; do
cp chroot/usr/share/android/product/*-preinstalled-system-i386+${subarch}.img\
"${PREFIX}.system-i386+${subarch}.img"
cp chroot/usr/share/android/product/*-preinstalled-recovery-i386+${subarch}.img\
"${PREFIX}.recovery-i386+${subarch}.img"
cp chroot/usr/share/android/product/*-preinstalled-boot-i386+${subarch}.img\
"${PREFIX}.boot-i386+${subarch}.img"
# drop this following line once cdimage can handle -boot-*.img
cp "${PREFIX}.boot-i386+${subarch}.img" "${PREFIX}.bootimg-${subarch}"
done
fi
lb chroot_devpts remove "$@"
lb chroot_sysfs remove "$@"
lb chroot_proc remove "$@"
fi
# LTSP chroot building (only in 32bit and for Edubuntu (DVD))
case $PROJECT in
edubuntu-dvd)
if [ "$ARCH" = i386 ]; then
echo "Building LTSP chroot"
ltsp-build-client --base $(pwd) --mirror $LB_PARENT_MIRROR_BOOTSTRAP --arch $ARCH --dist $LB_PARENT_DISTRIBUTION --chroot ltsp-live --late-packages ldm-edubuntu-theme,plymouth-theme-edubuntu --purge-chroot --skipimage
mkdir -p images
mksquashfs ltsp-live images/ltsp-live.img -e cdrom
rm -Rf ltsp-live
if [ -f images/ltsp-live.img ]; then
mv images/ltsp-live.img livecd.$PROJECT-ltsp.squashfs
chmod 0644 livecd.$PROJECT-ltsp.squashfs
rmdir --ignore-fail-on-non-empty images
else
echo "LTSP: Unable to build the chroot, see above for details."
fi
fi
;;
esac
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