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#!/bin/bash
#
# Copyright 2006-2013 (C) Canonical Ltd.
# Authors:
# Kees Cook <kees@ubuntu.com>
# Emmet Hikory <persia@ubuntu.com>
# Scott Moser <smoser@ubuntu.com>
# Stefano Rivera <stefanor@ubuntu.com>
# Steve Langasek <steve.langasek@ubuntu.com>
# Marc Deslauriers <marc.deslauriers@ubuntu.com>
#
# ##################################################################
#
# 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.
#
# See file /usr/share/common-licenses/GPL for more details.
#
# ##################################################################
#
# This script creates chroots designed to be used in a snapshot mode
# (with LVM, btrfs, zfs, overlay, overlay or aufs) with schroot and sbuild.
# Much love to "man sbuild-setup", https://wiki.ubuntu.com/PbuilderHowto,
# and https://help.ubuntu.com/community/SbuildLVMHowto.
#
# It will deal with sbuild having not be installed and configured before.
set -e
# Set up configurable defaults (loaded after option processing)
LV_SIZE="5G"
SNAPSHOT_SIZE="4G"
SOURCE_CHROOTS_DIR="/var/lib/schroot/chroots"
SOURCE_CHROOTS_TGZ="/var/lib/schroot/tarballs"
CHROOT_SNAPSHOT_DIR="/var/lib/schroot/snapshots"
SCHROOT_PROFILE="sbuild"
CCACHE_DIR="/var/cache/ccache-sbuild"
CCACHE_SIZE="4G"
function usage()
{
echo "Usage: $0 [OPTIONS] Release"
echo "Options:"
echo " --arch=ARCH What architecture to select"
echo " --name=NAME Base name for the schroot (arch is appended)"
echo " --personality=PERSONALITY What personality to use (defaults to match --arch)"
echo " --vg=VG use LVM snapshots, with group VG"
echo " --zfs-dataset=DATASET use ZFS snapshots, with parent dataset DATASET"
echo " --debug Turn on script debugging"
echo " --skip-updates Do not include -updates pocket in sources.list"
echo " --skip-security Do not include -security pocket in sources.list"
echo " --skip-proposed Do not include -proposed pocket in sources.list"
echo " --source-template=FILE Use FILE as the sources.list template"
echo " --debootstrap-mirror=URL Use URL as the debootstrap source"
echo " --debootstrap-include=list Comma separated list of packages to include"
echo " --debootstrap-exclude=list Comma separated list of packages to exclude"
echo " --debootstrap-opts=OPTS Extra options passed to debootstrap"
echo " --debootstrap-proxy=URL Use PROXY as apt proxy"
echo " --debootstrap-keyring=KEYRING"
echo " Use KEYRING to check signatures of retrieved Release files"
echo " --debootstrap-no-check-gpg Disables checking gpg signatures of retrieved Release files"
echo " --skip-eatmydata Don't install and use eatmydata"
echo " --eatmydata Install and use eatmydata (default)"
echo " --ccache Install configure and use ccache as default"
echo " --ccache-dir=PATH Sets the CCACHE_DIR to PATH"
echo " (can be shared between all schroots, defaults to ${CCACHE_DIR})"
echo " --ccache-size=SIZE Sets the ccache max-size to SIZE"
echo " (shared by each CCACHE_DIR, defaults to ${CCACHE_SIZE})"
echo " --distro=DISTRO Install specific distro:"
echo " 'ubuntu' or 'debian' "
echo " (defaults to determining from release name)"
echo " --target=ARCH Target architecture for cross-building"
echo " --type=SCHROOT_TYPE Define the schroot type:"
echo " 'directory' (default), 'file', or 'btrfs-snapshot'."
echo " 'lvm-snapshot' is selected via --vg"
echo " 'zfs-snapshot' is selected via --zfs-dataset"
echo ""
echo "Configuration (via ~/.mk-sbuild.rc)"
echo " LV_SIZE Size of source LVs (default ${LV_SIZE})"
echo " SNAPSHOT_SIZE Size of snapshot LVs (default ${SNAPSHOT_SIZE})"
echo " SOURCE_CHROOTS_DIR Directory to store directory source chroots"
echo " SOURCE_CHROOTS_TGZ Directory to store file source chroots"
echo " CHROOT_SNAPSHOT_DIR Directory to mount open btrfs snaphshot chroots (default ${CHROOT_SNAPSHOT_DIR})"
echo " SCHROOT_CONF_SUFFIX Lines to append to schroot.conf entries"
echo " SCHROOT_PROFILE Profile to use with schroot (default ${SCHROOT_PROFILE})"
echo " SKIP_UPDATES Enable --skip-updates"
echo " SKIP_PROPOSED Enable --skip-proposed"
echo " SKIP_SECURITY Enable --skip-security"
echo " DEBOOTSTRAP_MIRROR Mirror location (same as --debootstrap-mirror)"
echo " DEBOOTSTRAP_INCLUDE Included packages (same as --debootstrap-include)"
echo " DEBOOTSTRAP_EXCLUDE Excluded packages (same as --debootstrap-exclude)"
echo " DEBOOTSTRAP_OPTS Extra options passed to debootstrap (same as --debootstrap-opts)"
echo " DEBOOTSTRAP_PROXY Apt proxy (same as --debootstrap-proxy)"
echo " DEBOOTSTRAP_KEYRING GPG keyring (same as --debootstrap-keyring)"
echo " DEBOOTSTRAP_NO_CHECK_GPG Disable GPG verification (same as --debootstrap-no-check-gpg)"
echo " EATMYDATA Enable or disable eatmydata usage, see --eatmydata and --skip-eatmydata"
echo " CCACHE Enable --ccache"
echo " CCACHE_DIR Path for ccache (can be shared between all schroots, "
echo " same as --ccache-dir, default ${CCACHE_DIR})"
echo " CCACHE_SIZE Sets the ccache max-size (shared by each CCACHE_DIR, "
echo " same as --ccache-size, default ${CCACHE_SIZE})"
echo " TEMPLATE_SOURCES A template for sources.list"
echo " TEMPLATE_SCHROOTCONF A template for schroot.conf stanza"
if [ -z "$1" ]; then
exit 1
fi
exit $1
}
if [ -z "$1" ]; then
usage
fi
supported_options=(
help
debug
skip-updates
skip-security
skip-proposed
skip-eatmydata
ccache
arch:
name:
source-template:
debootstrap-mirror:
debootstrap-include:
debootstrap-exclude:
debootstrap-opts:
debootstrap-proxy:
debootstrap-no-check-gpg
debootstrap-keyring:
personality:
distro:
vg:
zfs-dataset:
type:
target:
ccache-dir:
ccache-size:
)
OPTS=$(getopt -o 'h' --long "$(IFS=, && echo "${supported_options[*]}")" -- "$@")
eval set -- "$OPTS"
VG=""
DISTRO=""
COMMAND_PREFIX=""
name=""
proxy="_unset_"
DEBOOTSTRAP_NO_CHECK_GPG=0
EATMYDATA=1
CCACHE=0
USE_PKGBINARYMANGLER=0
while :; do
case "$1" in
--debug)
DEBUG=1
set -x
shift
;;
--arch)
CHROOT_ARCH="$2"
case $2 in
armhf|i386)
if [ -z "$personality" ]; then
personality="linux32"
fi
;;
esac
shift 2
;;
--personality)
personality="$2"
shift 2
;;
--skip-updates)
SKIP_UPDATES="1"
shift
;;
--skip-proposed)
SKIP_PROPOSED="1"
shift
;;
--skip-security)
SKIP_SECURITY="1"
shift
;;
--name)
name="$2"
shift 2
;;
--source-template)
TEMPLATE_SOURCES="$2"
shift 2
if [ ! -r $TEMPLATE_SOURCES ]; then
echo "W: Template file $TEMPLATE_SOURCES is not readable"
echo "W: Continuing with default sources!"
fi
;;
--debootstrap-mirror)
DEBOOTSTRAP_MIRROR="$2"
shift 2
;;
--debootstrap-include)
DEBOOTSTRAP_INCLUDE="$2"
shift 2
;;
--debootstrap-exclude)
DEBOOTSTRAP_EXCLUDE="$2"
shift 2
;;
--debootstrap-opts)
DEBOOTSTRAP_OPTS="$2"
shift 2
;;
--debootstrap-proxy)
proxy="$2"
shift 2
;;
--debootstrap-keyring)
# Store the absolute path because we cd to the root directory later.
DEBOOTSTRAP_KEYRING=$(readlink -f "$2")
shift 2
;;
--debootstrap-no-check-gpg)
DEBOOTSTRAP_NO_CHECK_GPG=1
shift
;;
--skip-eatmydata)
EATMYDATA=0
shift
;;
--ccache)
CCACHE=1
shift
;;
--distro)
DISTRO="$2"
shift 2
;;
--vg)
VG="$2"
shift 2
;;
--zfs-dataset)
ZFS_PARENT_DATASET="$2"
shift 2
;;
--type)
SCHROOT_TYPE="$2"
shift 2
;;
--target)
TARGET_ARCH="$2"
shift 2
;;
--ccache-dir)
CCACHE_DIR="$2"
shift 2
;;
--ccache-size)
CCACHE_SIZE="$2"
shift 2
;;
--)
shift
break
;;
-h|--help|*)
usage 0
;;
esac
done
# For when schroot enters the chroot, we cannot be in a directory that
# will not exist in the chroot.
cd /
if [ -w /etc/passwd -a ! -e ~/.sbuildrc -a ! -e ~/.mk-sbuild.rc ]; then
cat >&2 <<EOF
It's recommended to run this script as a regular user, not root, so that it
uses the configuration files in your home directory.
It will use sudo to escalate to root as necessary.
If you really do want to use it as root, create a .sbuildrc or .mk-sbuild.rc
in root's home.
EOF
exit 1
fi
# Perform once-only things to initially set up for using sbuild+schroot
if [ ! -w /var/lib/sbuild ]; then
# Load all the packages you'll need to do work
sudo apt-get install sbuild schroot debootstrap
# Add self to the sbuild group
sudo adduser "$USER" sbuild
# Prepare a usable default .sbuildrc
if [ ! -e ~/.sbuildrc ]; then
cat > ~/.sbuildrc <<EOM
# *** THIS COMMAND IS DEPRECATED ***
#
# In sbuild 0.87.0 and later, the unshare backend is available. This is
# expected to become the default in a future release.
#
# This is the new preferred way of building Debian packages, making the manual
# creation of schroots no longer necessary. To retain the default behavior,
# you may remove this comment block and continue.
#
# To test the unshare backend while retaining the default settings, run sbuild
# with --chroot-mode=unshare like this:
# $ sbuild --chroot-mode=unshare --dist=unstable hello
#
# To switch to the unshare backend by default (recommended), uncomment the
# following lines and delete the rest of the file (with the exception of the
# last two lines):
#\$chroot_mode = 'unshare';
#\$unshare_mmdebstrap_keep_tarball = 1;
# *** VERIFY AND UPDATE \$mailto and \$maintainer_name BELOW ***
# Name to use as override in .changes files for the Maintainer: field
#\$maintainer_name='$USER <$USER@localhost>';
# Directory for chroot symlinks and sbuild logs. Defaults to the
# current directory if unspecified.
#\$build_dir='$HOME/ubuntu/build';
# Directory for writing build logs to
\$log_dir="$HOME/ubuntu/logs";
# don't remove this, Perl needs it:
1;
EOM
sensible-editor ~/.sbuildrc
# Create target directories, if needed
eval $(egrep '^\$(build|log)_dir[ ]*=' ~/.sbuildrc | cut -c2-)
if [ -n "$log_dir" ]; then
mkdir -p "$log_dir"
fi
if [ -n "$build_dir" ]; then
mkdir -p "$build_dir"
fi
else
echo "Your ~/.sbuildrc already exists -- leaving it as-is."
fi
echo '***********************************************'
echo '* Before continuing, you MUST restart your *'
echo '* session to gain "sbuild" group permissions! *'
echo '***********************************************'
exit 0
fi
if ! id | fgrep -q '(sbuild)'; then
echo "You must be a member of the 'sbuild' group." >&2
exit 1
fi
# To build the chroot, we need to know which release of Ubuntu to debootstrap
RELEASE="$1"
if [ -z "$RELEASE" ]; then
usage
fi
# Determine distribution and possible synonyms
synonym=""
EXPERIMENTAL=0
if [ "$RELEASE" = "experimental" ]; then
DISTRO="${DISTRO:-debian}"
EXPERIMENTAL=1
name="${name:-experimental}"
RELEASE=$(debian-distro-info --devel)
elif debian-distro-info --all | grep -Fqx "$RELEASE"; then
DISTRO="${DISTRO:-debian}"
if [ "$RELEASE" = $(debian-distro-info --devel) ]; then
synonym=unstable
elif [ "$RELEASE" = $(debian-distro-info --testing) ]; then
synonym=testing
elif [ "$RELEASE" = $(debian-distro-info --stable) ]; then
synonym=stable
elif [ "$RELEASE" = $(debian-distro-info --old) ]; then
synonym=oldstable
fi
elif ubuntu-distro-info --all | grep -Fqx "$RELEASE"; then
DISTRO="${DISTRO:-ubuntu}"
elif [ "$RELEASE" = "unstable" ]; then
DISTRO="${DISTRO:-debian}"
synonym="$RELEASE"
RELEASE=$(debian-distro-info --devel)
elif [ "$RELEASE" = "testing" ]; then
DISTRO="${DISTRO:-debian}"
synonym="$RELEASE"
RELEASE=$(debian-distro-info --testing)
elif [ "$RELEASE" = "stable" ]; then
DISTRO="${DISTRO:-debian}"
synonym="$RELEASE"
RELEASE=$(debian-distro-info --stable)
elif [ "$RELEASE" = "oldstable" ]; then
DISTRO="${DISTRO:-debian}"
synonym="$RELEASE"
RELEASE=$(debian-distro-info --old)
elif [ -z "$DISTRO" ]; then
echo "Unable to determine distribution, please provide --distro" >&2
exit 1
fi
# By default DEBOOTSTRAP_SCRIPT must match RELEASE
DEBOOTSTRAP_SCRIPT="$RELEASE"
dist_ge() {
local releases="$($3-distro-info --all)"
local left=999
local right=0
local seq=1
for i in $releases; do
if [ $1 = $i ]; then
local left=$seq
break
fi
seq=$((seq+1))
done
seq=1
for i in $releases; do
if [ $2 = $i ]; then
local right=$seq
break
fi
seq=$((seq+1))
done
[ $left -ge $right ] && return 0 || return 1
}
ubuntu_dist_ge () {
dist_ge $1 $2 ubuntu
}
debian_dist_ge () {
dist_ge $1 $2 debian
}
if [ "$DISTRO" = "ubuntu" ]; then
# On Ubuntu, set DEBOOTSTRAP_SCRIPT to gutsy to allow building new RELEASES without new debootstrap
DEBOOTSTRAP_SCRIPT=gutsy
fi
# By default, name the schroot the same as the release
if [ -z "$name" ]; then
name="$RELEASE"
else
# Disable synonym when a custom name is used:
synonym=""
fi
# By default, use the native architecture.
HOST_ARCH=$(dpkg --print-architecture)
if [ -z "$CHROOT_ARCH" ]; then
CHROOT_ARCH="$HOST_ARCH"
fi
if [ -z "$TARGET_ARCH" ]; then
CHROOT_NAME="${name}-${CHROOT_ARCH}"
else
CHROOT_NAME="${name}-${CHROOT_ARCH}-${TARGET_ARCH}"
fi
if [ -z "$synonym" ]; then
CHROOT_SYNONYM=""
else
CHROOT_SYNONYM="${synonym}-${CHROOT_ARCH}"
fi
# Load customizations
if [ -r ~/.mk-sbuild.rc ]; then
. ~/.mk-sbuild.rc
fi
# Will eatmydata be available?
if [ $EATMYDATA -eq 1 ]; then
case "$RELEASE" in
hardy|lucid|maverick|lenny|squeeze)
echo "eatmydata is known not to be available in $RELEASE, ignoring --eatmydata"
EATMYDATA=0
;;
*)
DEBOOTSTRAP_INCLUDE="${DEBOOTSTRAP_INCLUDE:+$DEBOOTSTRAP_INCLUDE,}eatmydata"
;;
esac
fi
if [ $CCACHE -eq 1 ]; then
if [ -z "$CCACHE_DIR" ] || [[ "$(dirname "$CCACHE_DIR")" == '/' ]]; then
echo "Invalid ccache dir: ${CCACHE_DIR}" >&2
exit 1
fi
# We can safely use a global cache path, in such case changing size applies
# to all the schroots
setup_script="$CCACHE_DIR"/mk-sbuild-setup
if [ -d "$CCACHE_DIR" ]; then
echo "Reusing $CCACHE_DIR as CCACHE_DIR, will be configured to use max-size=${CCACHE_SIZE}"
rm -f "$setup_script"
else
echo "Configuring $CCACHE_DIR as CCACHE_DIR with max-size=${CCACHE_SIZE}"
sudo install --group=sbuild --mode=2775 -d "$CCACHE_DIR"
fi
if [ ! -x "$setup_script" ]; then
cat <<END | sudo tee "$setup_script" 1>/dev/null
#!/bin/sh
export CCACHE_DIR="$CCACHE_DIR"
export CCACHE_MAXSIZE="${CCACHE_SIZE}"
export CCACHE_UMASK=002
export CCACHE_COMPRESS=1
unset CCACHE_HARDLINK
export CCACHE_NOHARDLINK=1
export PATH="/usr/lib/ccache:\$PATH"
exec "\$@"
END
sudo chmod a+rx "$setup_script"
fi
if ! sudo grep -qs "$CCACHE_DIR" /etc/schroot/sbuild/fstab; then
# This acts on host configuration, but there is no other way to handle
# this, however it won't affect anything
cat <<END | sudo tee -a /etc/schroot/sbuild/fstab 1>/dev/null
${CCACHE_DIR} ${CCACHE_DIR} none rw,bind 0 0
END
fi
DEBOOTSTRAP_INCLUDE="${DEBOOTSTRAP_INCLUDE:+$DEBOOTSTRAP_INCLUDE,}ccache"
BUILD_PKGS="$BUILD_PKGS ccache"
COMMAND_PREFIX="${COMMAND_PREFIX:+$COMMAND_PREFIX,}$setup_script"
fi
if [ -z "$SCHROOT_TYPE" ]; then
# To build the LV, we need to know which volume group to use
if [ -n "$VG" ]; then
SCHROOT_TYPE="lvm-snapshot"
# To build the ZFS dataset, we need to know which parent to use
elif [ -n "$ZFS_PARENT_DATASET" ]; then
SCHROOT_TYPE="zfs-snapshot"
else
SCHROOT_TYPE="directory"
fi
fi
case "$SCHROOT_TYPE" in
"lvm-snapshot")
# Make sure LVM tools that operate on the snapshots have needed module
if ! sudo dmsetup targets | grep -q ^snapshot; then
sudo modprobe dm_snapshot
echo dm_snapshot | sudo tee -a /etc/modules >/dev/null
fi
# Set up some variables for use in the paths and names
if [ -z "$TARGET_ARCH" ]; then
CHROOT_LV="${name}_${CHROOT_ARCH}_chroot"
else
CHROOT_LV="${name}_${CHROOT_ARCH}_${TARGET_ARCH}_chroot"
fi
CHROOT_PATH="/dev/$VG/$CHROOT_LV"
# Install lvm2 if missing
if ! dpkg -l lvm2 >/dev/null 2>&1; then
sudo apt-get install lvm2
fi
# Does the specified VG exist? (vgdisplay doesn't set error codes...)
if [ `sudo vgdisplay -c "$VG" | wc -l` -eq 0 ]; then
echo "Volume group '${VG}' does not appear to exist" >&2
exit 1
fi
;;
"directory")
if [ ! -d "${SOURCE_CHROOTS_DIR}" ]; then
sudo mkdir -p "${SOURCE_CHROOTS_DIR}"
fi
# Set up some variables for use in the paths and names
CHROOT_PATH="${SOURCE_CHROOTS_DIR}/${CHROOT_NAME}"
;;
"file")
if [ ! -d "$SOURCE_CHROOTS_TGZ" ]; then
sudo mkdir -p "$SOURCE_CHROOTS_TGZ"
fi
# Set up some variables for use in the paths and names
CHROOT_PATH="${SOURCE_CHROOTS_TGZ}/${CHROOT_NAME}.tgz"
;;
"btrfs-snapshot" | "zfs-snapshot")
if [ ! -d "${SOURCE_CHROOTS_DIR}" ]; then
sudo mkdir -p "${SOURCE_CHROOTS_DIR}"
fi
if [ ! -d "${CHROOT_SNAPSHOT_DIR}" ]; then
sudo mkdir -p "${CHROOT_SNAPSHOT_DIR}"
fi
CHROOT_PATH="${SOURCE_CHROOTS_DIR}/${CHROOT_NAME}"
;;
*)
echo 'unknown source type!?' >&2
exit 1
;;
esac
# Is the specified release known to debootstrap?
variant_opt="--variant=buildd"
if [ ! -r "/usr/share/debootstrap/scripts/$DEBOOTSTRAP_SCRIPT" ]; then
echo "Specified release ($DEBOOTSTRAP_SCRIPT) not known to debootstrap" >&2
exit 1
fi
BUILD_PKGS="build-essential fakeroot apt-utils"
# Handle distro-specific logic, unknown to debootstrap
case "$DISTRO" in
ubuntu)
if [ -z "$DEBOOTSTRAP_MIRROR" ]; then
case "$CHROOT_ARCH" in
amd64 | i386)
DEBOOTSTRAP_MIRROR="http://archive.ubuntu.com/ubuntu"
;;
*)
DEBOOTSTRAP_MIRROR="http://ports.ubuntu.com/ubuntu-ports"
;;
esac
fi
if [ -z "$COMPONENTS" ]; then
COMPONENTS="main restricted universe multiverse"
fi
if [ -z "$SOURCES_PROPOSED_SUITE" ]; then
SOURCES_PROPOSED_SUITE="RELEASE-proposed"
fi
if [ -z "$SOURCES_SECURITY_SUITE" ]; then
SOURCES_SECURITY_SUITE="RELEASE-security"
fi
if [ -z "$SOURCES_SECURITY_URL" ]; then
case "$CHROOT_ARCH" in
amd64 | i386)
SOURCES_SECURITY_URL="http://security.ubuntu.com/ubuntu"
;;
*)
SOURCES_SECURITY_URL="http://ports.ubuntu.com/ubuntu-ports"
;;
esac
fi
if [ -n "$TARGET_ARCH" ]; then
# target chroots only supported in precise and later, so ignore
# the fact that powerpc was once not on ports.
case "$TARGET_ARCH" in
amd64 | i386)
TARGET_MIRROR="http://archive.ubuntu.com/ubuntu"
TARGET_SOURCES_SECURITY_URL="http://security.ubuntu.com/ubuntu"
;;
*)
TARGET_MIRROR="http://ports.ubuntu.com/ubuntu-ports"
TARGET_SOURCES_SECURITY_URL="http://ports.ubuntu.com/ubuntu-ports"
;;
esac
fi
# Add edgy+ buildd tools
if ubuntu_dist_ge "$RELEASE" "edgy"; then
# Add pkgbinarymangler (edgy and later)
BUILD_PKGS="$BUILD_PKGS pkgbinarymangler"
USE_PKGBINARYMANGLER=1
# Disable recommends for a smaller chroot (gutsy and later only)
if ubuntu_dist_ge "$RELEASE" "gutsy"; then
BUILD_PKGS="--no-install-recommends $BUILD_PKGS"
SKIP_RECOMMENDS=1
fi
# Add pkg-create-dbgsym (edgy through zesty)
if ! ubuntu_dist_ge "$RELEASE" "artful"; then
BUILD_PKGS="$BUILD_PKGS pkg-create-dbgsym"
fi
fi
;;
debian)
if [ -z "$DEBOOTSTRAP_MIRROR" ]; then
DEBOOTSTRAP_MIRROR="http://deb.debian.org/debian"
fi
if [ -z "$COMPONENTS" ]; then
COMPONENTS="main non-free non-free-firmware contrib"
fi
if [ -z "$SOURCES_PROPOSED_SUITE" ]; then
SOURCES_PROPOSED_SUITE="RELEASE-proposed-updates"
fi
# Debian only performs security updates
SKIP_UPDATES=1
if [ -z "$SOURCES_SECURITY_SUITE" ]; then
if debian_dist_ge "$RELEASE" "bullseye"; then
SOURCES_SECURITY_SUITE="RELEASE-security"
else
SOURCES_SECURITY_SUITE="RELEASE/updates"
fi
fi
if [ -z "$SOURCES_SECURITY_URL" ]; then
SOURCES_SECURITY_URL="http://security.debian.org/"
fi
if [ -n "$TARGET_ARCH" ]; then
TARGET_MIRROR="$DEBOOTSTRAP_MIRROR"
TARGET_SOURCES_SECURITY_URL="$SOURCES_SECURITY_URL"
fi
# Unstable and Experimental do not have security or proposed repositories
if [ "$RELEASE" = 'unstable' ] || [ "$RELEASE" = 'sid' ] || [ "$RELEASE" = 'experimental' ]; then
SKIP_SECURITY=1
SKIP_PROPOSED=1
fi
# Keep the chroot as minimal as possible
BUILD_PKGS="--no-install-recommends $BUILD_PKGS"
SKIP_RECOMMENDS=1
;;
*)
echo "Unknown --distro '$DISTRO': aborting" >&2
exit 1
;;
esac
if [ -n "$TARGET_ARCH" ]; then
# Ultimately we would like there to be a "cross-build-essential-$arch"
# package. In practice, the cross-g++ package is sufficient to pull in
# everything we need.
if ! target_tuple=$(dpkg-architecture -a"$TARGET_ARCH" -qDEB_HOST_GNU_TYPE 2>/dev/null)
then
echo "Unknown target architecture $TARGET_ARCH" >&2
exit 1
fi
BUILD_PKGS="$BUILD_PKGS g++-$target_tuple pkg-config dpkg-cross libc-dev:$TARGET_ARCH"
fi
debootstrap_opts="--components=$(echo $COMPONENTS | tr ' ' ,)"
if [ -n "$DEBOOTSTRAP_INCLUDE" ] ; then
debootstrap_opts="$debootstrap_opts --include=$DEBOOTSTRAP_INCLUDE"
fi
if [ -n "$DEBOOTSTRAP_EXCLUDE" ] ; then
debootstrap_opts="$debootstrap_opts --exclude=$DEBOOTSTRAP_EXCLUDE"
fi
if [ $DEBOOTSTRAP_NO_CHECK_GPG -eq 1 ]; then
debootstrap_opts="$debootstrap_opts --no-check-gpg"
elif [ -n "$DEBOOTSTRAP_KEYRING" ]; then
debootstrap_opts="$debootstrap_opts --keyring=$DEBOOTSTRAP_KEYRING"
fi
if [ -n "$DEBOOTSTRAP_OPTS" ] ; then
debootstrap_opts="$debootstrap_opts $DEBOOTSTRAP_OPTS"
fi
# if http_proxy is set in the environment (even empty) set 'proxy' to it
[ "$proxy" = "_unset_" -a "${DEBOOTSTRAP_PROXY-xx}" != "xx" ] &&
proxy=${DEBOOTSTRAP_PROXY}
[ "$proxy" = "_unset_" -a "${http_proxy-xx}" != "xx" ] && proxy=${http_proxy}
if [ "$proxy" = "_unset_" ]; then
_out=$(apt-config shell x Acquire::HTTP::Proxy) &&
_out=$(sh -c 'eval $1 && echo $x' -- "$_out") && [ -n "$_out" ] &&
proxy="$_out"
fi
[ "$proxy" = "_unset_" ] && proxy=""
DEBOOTSTRAP_COMMAND=debootstrap
# Use qemu-kvm-extras-static for foreign chroots
if [ "$CHROOT_ARCH" != "$HOST_ARCH" ] ; then
case "$CHROOT_ARCH-$HOST_ARCH" in
# Sometimes we don't need qemu
amd64-i386|arm64-armhf|armhf-arm64|i386-amd64|powerpc-ppc64|ppc64-powerpc)
;;
# Sometimes we do
*)
DEBOOTSTRAP_COMMAND=debootstrap
if ! which "qemu-x86_64-static"; then
sudo apt-get install qemu-user-static
fi
;;
esac
fi
case "$SCHROOT_TYPE" in
"lvm-snapshot")
# Allocate the "golden" chroot LV
sudo lvcreate -n "$CHROOT_LV" -L "$LV_SIZE" "$VG"
sudo mkfs -t ext4 "$CHROOT_PATH"
# Mount
MNT=`mktemp -d -t schroot-XXXXXX`
sudo mount "$CHROOT_PATH" "$MNT"
;;
"directory")
MNT="${CHROOT_PATH}"
if [ -d "${MNT}" ]; then
echo "E: ${MNT} already exists; aborting" >&2
exit 1
fi
sudo mkdir -p "${MNT}"
;;
"btrfs-snapshot")
MNT="${CHROOT_PATH}"
if sudo btrfs subvolume list "${MNT}" >/dev/null 2>&1; then
echo "E: Subvolume ${MNT} already exists; aborting" >&2
exit 1
fi
sudo btrfs subvolume create "${MNT}"
;;
"zfs-snapshot")
ZFS_DATASET="${ZFS_PARENT_DATASET}/${CHROOT_NAME}"
if sudo zfs list "${ZFS_DATASET}" >/dev/null 2>&1; then
echo "E: ZFS dataset ${ZFS_DATASET} already exists; aborting" >&2
exit 1
fi
sudo zfs create -p -o mountpoint=legacy "${ZFS_DATASET}"
# Mount
MNT=`mktemp -d -t schroot-XXXXXX`
sudo mount -t zfs "${ZFS_DATASET}" "${MNT}"
;;
"file")
MNT=`mktemp -d -t schroot-XXXXXX`
esac
case "$SCHROOT_TYPE" in
directory|file)
if grep -q '\soverlay$' /proc/filesystems \
|| /sbin/modprobe -q --dry-run overlay; then
OVERLAY_FS=overlay
elif grep -q '\soverlayfs$' /proc/filesystems \
|| /sbin/modprobe -q --dry-run overlayfs; then
OVERLAY_FS=overlayfs
else
OVERLAY_FS=aufs
fi
esac
# work around apt's GPG invocation that fails without root's .gnupg directory
sudo mkdir -p -m 0700 "$MNT"/root/.gnupg
# debootstrap the chroot
sudo ${proxy:+"http_proxy=${proxy}"} "$DEBOOTSTRAP_COMMAND" --arch="$CHROOT_ARCH" $variant_opt $debootstrap_opts "$RELEASE" "$MNT" "${DEBOOTSTRAP_MIRROR:-http://archive.ubuntu.com/ubuntu}" "$DEBOOTSTRAP_SCRIPT"
if [ $EATMYDATA -eq 1 ]; then
sudo mkdir -p "${MNT}/usr/local/libexec/mk-sbuild"
sudo ln -s /usr/bin/eatmydata "${MNT}/usr/local/libexec/mk-sbuild/dpkg"
echo 'Dir::Bin::dpkg "/usr/local/libexec/mk-sbuild/dpkg";' \
| sudo tee "${MNT}/etc/apt/apt.conf.d/00mk-sbuild-eatmydata" > /dev/null
fi
# Update the package sources
TEMP_SOURCES=`mktemp -t sources-XXXXXX`
if [ -z "$TEMPLATE_SOURCES" ]; then
TEMPLATE_SOURCES=~/.mk-sbuild.sources
fi
if [ -n "$TARGET_ARCH" ]; then
MIRROR_ARCHS="[arch=$CHROOT_ARCH] "
fi
if [ -r "$TEMPLATE_SOURCES" ]; then
cat "$TEMPLATE_SOURCES" > "$TEMP_SOURCES"
else
cat > "$TEMP_SOURCES" <<EOM
deb ${MIRROR_ARCHS}${DEBOOTSTRAP_MIRROR} RELEASE ${COMPONENTS}
deb-src ${DEBOOTSTRAP_MIRROR} RELEASE ${COMPONENTS}
EOM
if [ -n "$TARGET_ARCH" ]; then
cat >> "$TEMP_SOURCES" <<EOM
deb [arch=$TARGET_ARCH] $TARGET_MIRROR RELEASE $COMPONENTS
EOM
fi
if [ "$EXPERIMENTAL" -eq 1 ]; then
cat >> "$TEMP_SOURCES" <<EOM
deb ${MIRROR_ARCHS}${DEBOOTSTRAP_MIRROR} experimental ${COMPONENTS}
deb-src ${DEBOOTSTRAP_MIRROR} experimental ${COMPONENTS}
EOM
if [ -n "$TARGET_ARCH" ]; then
cat >> "$TEMP_SOURCES" <<EOM
deb [arch=$TARGET_ARCH] $TARGET_MIRROR experimental $COMPONENTS
EOM
fi
fi
if [ -z "$SKIP_UPDATES" ]; then
cat >> "$TEMP_SOURCES" <<EOM
deb ${MIRROR_ARCHS}${DEBOOTSTRAP_MIRROR} RELEASE-updates ${COMPONENTS}
deb-src ${DEBOOTSTRAP_MIRROR} RELEASE-updates ${COMPONENTS}
EOM
if [ -n "$TARGET_ARCH" ]; then
cat >> "$TEMP_SOURCES" <<EOM
deb [arch=$TARGET_ARCH] $TARGET_MIRROR RELEASE-updates $COMPONENTS
EOM
fi
fi
if [ -z "$SKIP_PROPOSED" ]; then
TEMP_PREFERENCES=`mktemp -t preferences-XXXXXX`
cat >> "$TEMP_PREFERENCES" <<EOM
# override for NotAutomatic: yes
Package: *
Pin: release a=*-proposed
Pin-Priority: 500
EOM
cat >> "$TEMP_SOURCES" <<EOM
deb ${MIRROR_ARCHS}${DEBOOTSTRAP_MIRROR} $SOURCES_PROPOSED_SUITE ${COMPONENTS}
deb-src ${DEBOOTSTRAP_MIRROR} $SOURCES_PROPOSED_SUITE ${COMPONENTS}
EOM
if [ -n "$TARGET_ARCH" ]; then
cat >> "$TEMP_SOURCES" <<EOM
deb [arch=$TARGET_ARCH] $TARGET_MIRROR $SOURCES_PROPOSED_SUITE $COMPONENTS
EOM
fi
fi
if [ -z "$SKIP_SECURITY" ]; then
cat >> "$TEMP_SOURCES" <<EOM
deb ${MIRROR_ARCHS}${SOURCES_SECURITY_URL} ${SOURCES_SECURITY_SUITE} ${COMPONENTS}
deb-src ${SOURCES_SECURITY_URL} ${SOURCES_SECURITY_SUITE} ${COMPONENTS}
EOM
if [ -n "$TARGET_ARCH" ]; then
cat >> "$TEMP_SOURCES" <<EOM
deb [arch=$TARGET_ARCH] $TARGET_SOURCES_SECURITY_URL $SOURCES_SECURITY_SUITE $COMPONENTS
EOM
fi
fi
fi
cat "$TEMP_SOURCES" | sed -e "s|RELEASE|$RELEASE|g" | \
sudo bash -c "cat > $MNT/etc/apt/sources.list"
rm -f "$TEMP_SOURCES"
if [ -n "$TEMP_PREFERENCES" ]; then
sudo mv "$TEMP_PREFERENCES" $MNT/etc/apt/preferences.d/proposed.pref
fi
# Copy the timezone (uncomment this if you want to use your local time zone)
#sudo cp -P --remove-destination /etc/localtime /etc/timezone "$MNT"/etc/
# Create a schroot entry for this chroot
TEMP_SCHROOTCONF=`mktemp -t schrootconf-XXXXXX`
TEMPLATE_SCHROOTCONF=~/.mk-sbuild.schroot.conf
TYPED_TEMPLATE_SCHROOTCONF="${TEMPLATE_SCHROOTCONF}.${SCHROOT_TYPE}"
if [ -r "${TYPED_TEMPLATE_SCHROOTCONF}" ]; then
cat "${TYPED_TEMPLATE_SCHROOTCONF}" > "$TEMP_SCHROOTCONF"
elif [ -r "${TEMPLATE_SCHROOTCONF}" ]; then
cat "$TEMPLATE_SCHROOTCONF" > "$TEMP_SCHROOTCONF"
else
ADMIN_GROUPS="sbuild,root"
if getent group admin > /dev/null; then
ADMIN_GROUPS+=",admin"
fi
cat > "$TEMP_SCHROOTCONF" <<EOM
[CHROOT_NAME]
description=CHROOT_NAME
groups=$ADMIN_GROUPS
root-groups=$ADMIN_GROUPS
# Uncomment these lines to allow members of these groups to access
# the -source chroots directly (useful for automated updates, etc).
#source-root-users=$ADMIN_GROUPS
#source-root-groups=$ADMIN_GROUPS
type=SCHROOT_TYPE
profile=$SCHROOT_PROFILE
EOM
if [ -n "$COMMAND_PREFIX" ]; then
cat >> "$TEMP_SCHROOTCONF" <<EOM
command-prefix=${COMMAND_PREFIX}
EOM
fi
case "$SCHROOT_TYPE" in
"lvm-snapshot")
cat >> "$TEMP_SCHROOTCONF" <<EOM
device=CHROOT_PATH
mount-options=-o noatime
lvm-snapshot-options=--size SNAPSHOT_SIZE
EOM
;;
directory|file)
cat >> "${TEMP_SCHROOTCONF}" <<EOM
union-type=$OVERLAY_FS
${SCHROOT_TYPE}=CHROOT_PATH
EOM
;;
btrfs-snapshot)
cat >> "${TEMP_SCHROOTCONF}" <<EOM
btrfs-source-subvolume=CHROOT_PATH
btrfs-snapshot-directory=CHROOT_SNAPSHOT_DIR
EOM
;;
zfs-snapshot)
cat >> "${TEMP_SCHROOTCONF}" <<EOM
zfs-dataset=ZFS_DATASET
EOM
;;
esac
fi
if [ ! -z "$personality" ]; then
echo "personality=$personality" >> "$TEMP_SCHROOTCONF"
fi
if [ ! -z "$CHROOT_SYNONYM" ]; then
echo "aliases=$CHROOT_SYNONYM" >> "$TEMP_SCHROOTCONF"
fi
if [ ! -z "$SCHROOT_CONF_SUFFIX" ]; then
echo "$SCHROOT_CONF_SUFFIX" >> "$TEMP_SCHROOTCONF"
fi
sed -e "s|CHROOT_NAME|$CHROOT_NAME|g" \
-e "s|CHROOT_PATH|$CHROOT_PATH|g" \
-e "s|SNAPSHOT_SIZE|$SNAPSHOT_SIZE|g" \
-e "s|SCHROOT_TYPE|$SCHROOT_TYPE|g" \
-e "s|CHROOT_SNAPSHOT_DIR|$CHROOT_SNAPSHOT_DIR|g" \
-e "s|ZFS_DATASET|$ZFS_DATASET|g" \
"$TEMP_SCHROOTCONF" \
| sudo tee "/etc/schroot/chroot.d/sbuild-$CHROOT_NAME" > /dev/null
rm -f "$TEMP_SCHROOTCONF"
# Disable daemons in chroot:
sudo bash -c "cat >> $MNT/usr/sbin/policy-rc.d" <<EOM
#!/bin/sh
while true; do
case "\$1" in
-*) shift ;;
makedev) exit 0;;
x11-common) exit 0;;
*) exit 101;;
esac
done
EOM
sudo chmod a+x "$MNT"/usr/sbin/policy-rc.d
# Create image finalization script
sudo bash -c "cat >> $MNT/finish.sh" <<EOM
#!/bin/bash
if [ "$DEBUG" = 1 ]; then
set -x
fi
set -e
if [ -n "$proxy" ]; then
mkdir -p /etc/apt/apt.conf.d/
cat > /etc/apt/apt.conf.d/99mk-sbuild-proxy <<EOF
// proxy settings copied from mk-sbuild
Acquire { HTTP { Proxy "$proxy"; }; };
EOF
fi
EOM
if [ -n "$SKIP_RECOMMENDS" ]; then
sudo bash -c "cat >> $MNT/finish.sh" <<EOM
mkdir -p /etc/apt/apt.conf.d/
cat > /etc/apt/apt.conf.d/99mk-sbuild-no-recommends <<EOF
// disable install recommends
APT::Install-Recommends "0";
EOF
EOM
fi
if [ "$USE_PKGBINARYMANGLER" = 1 ]; then
sudo bash -c "cat >> $MNT/finish.sh" <<EOM
mkdir -p /etc/pkgbinarymangler/
cat > /etc/pkgbinarymangler/maintainermangler.conf <<EOF
# pkgmaintainermangler configuration file
# pkgmaintainermangler will do nothing unless enable is set to "true"
enable: true
# Configure what happens if /CurrentlyBuilding is present, but invalid
# (i. e. it does not contain a Package: field). If "ignore" (default),
# the file is ignored (i. e. the Maintainer field is mangled) and a
# warning is printed. If "fail" (or any other value), pkgmaintainermangler
# exits with an error, which causes a package build to fail.
invalid_currentlybuilding: ignore
EOF
EOM
fi
if [ -n "$TARGET_ARCH" ]; then
sudo bash -c "cat >> $MNT/finish.sh" <<EOM
# Configure target architecture
dpkg --add-architecture "$TARGET_ARCH"
EOM
fi
sudo bash -c "cat >> $MNT/finish.sh" <<EOM
# Reload package lists
apt-get update || true
# Pull down signature requirements
apt-get -y --force-yes install gnupg ${DISTRO}-keyring
# Reload package lists
apt-get update || true
# Disable debconf questions so that automated builds won't prompt
echo set debconf/frontend Noninteractive | debconf-communicate
echo set debconf/priority critical | debconf-communicate
# Install basic build tool set, trying to match buildd
apt-get -y --force-yes -o Dpkg::Options::="--force-confold" install $BUILD_PKGS
# Set up expected /dev entries
if [ ! -r /dev/stdin ]; then ln -s /proc/self/fd/0 /dev/stdin; fi
if [ ! -r /dev/stdout ]; then ln -s /proc/self/fd/1 /dev/stdout; fi
if [ ! -r /dev/stderr ]; then ln -s /proc/self/fd/2 /dev/stderr; fi
# Clean up
rm /finish.sh
apt-get clean
EOM
sudo chmod a+x "$MNT"/finish.sh
case "$SCHROOT_TYPE" in
"lvm-snapshot"|"zfs-snapshot")
sudo umount "$MNT"
rmdir "$MNT"
;;
"directory"|"btrfs-snapshot")
;;
"file")
cd "$MNT"
sudo tar czf "$CHROOT_PATH" .
cd /
sudo rm -r "$MNT"
;;
esac
# Run finalization script on the "golden" copy via schroot.
sudo schroot -c source:$CHROOT_NAME -u root /finish.sh
# Finished
echo ""
echo "Done building $CHROOT_NAME."
echo ""
echo " To CHANGE the golden image: sudo schroot -c source:${CHROOT_NAME} -u root"
echo " To ENTER an image snapshot: schroot -c ${CHROOT_NAME}"
echo " To BUILD within a snapshot: sbuild -A -d ${CHROOT_NAME} PACKAGE*.dsc"
if [ -n "$TARGET_ARCH" ] && [ "$CHROOT_ARCH" != "$TARGET_ARCH" ] ; then
echo " To BUILD for ${TARGET_ARCH}: sbuild -A -d ${CHROOT_NAME} --host ${TARGET_ARCH} PACKAGE*.dsc"
fi
echo ""
# vi: set et:
|