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Diffstat (limited to 'build/install-chroot.sh')
| -rwxr-xr-x | build/install-chroot.sh | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/build/install-chroot.sh b/build/install-chroot.sh deleted file mode 100755 index b80aea0..0000000 --- a/build/install-chroot.sh +++ /dev/null @@ -1,325 +0,0 @@ -#!/bin/bash -e - -# Copyright (c) 2010 The Chromium Authors. All rights reserved. -# Use of this source code is governed by a BSD-style license that can be -# found in the LICENSE file. - -# This script installs Debian-derived distributions in a chroot environment. -# It can for example be used to have an accurate 32bit build and test -# environment when otherwise working on a 64bit machine. -# N. B. it is unlikely that this script will ever work on anything other than a -# Debian-derived system. - -usage() { - echo "usage: ${0##*/} [-m mirror] [-g group,...] [-s] [-c]" - echo "-g group,... groups that can use the chroot unauthenticated" - echo " Default: 'admin' and current user's group ('$(id -gn)')" - echo "-m mirror an alternate repository mirror for package downloads" - echo "-s configure default deb-srcs" - echo "-c always copy 64bit helper binaries to 32bit chroot" - echo "-h this help message" -} - -process_opts() { - local OPTNAME OPTIND OPTERR OPTARG - while getopts ":g:m:sch" OPTNAME; do - case "$OPTNAME" in - g) - [ -n "${OPTARG}" ] && - chroot_groups="${chroot_groups}${chroot_groups:+,}${OPTARG}" - ;; - m) - if [ -n "${mirror}" ]; then - echo "You can only specify exactly one mirror location" - usage - exit 1 - fi - mirror="$OPTARG" - ;; - s) - add_srcs="y" - ;; - c) - copy_64="y" - ;; - h) - usage - exit 0 - ;; - \:) - echo "'-$OPTARG' needs an argument." - usage - exit 1 - ;; - *) - echo "invalid command-line option: $OPTARG" - usage - exit 1 - ;; - esac - done - - if [ $# -ge ${OPTIND} ]; then - eval echo "Unexpected command line argument: \${${OPTIND}}" - usage - exit 1 - fi -} - - -# Check that we are running as a regular user -[ "$(id -nu)" = root ] && { - echo "Run this script as a regular user and provide your \"sudo\"" \ - "password if requested" >&2 - exit 1 -} -mkdir -p "$HOME/chroot/" - -process_opts "$@" - -# Error handler -trap 'exit 1' INT TERM QUIT -trap 'sudo apt-get clean; tput bel; echo; echo Failed' EXIT - -# Install any missing applications that this script relies on. If these packages -# are already installed, don't force another "apt-get install". That would -# prevent them from being auto-removed, if they ever become eligible for that. -# And as this script only needs the packages once, there is no good reason to -# introduce a hard dependency on things such as dchroot and debootstrap. -dep= -for i in dchroot debootstrap; do - [ -d /usr/share/doc/"$i" ] || dep="$dep $i" -done -[ -n "$dep" ] && sudo apt-get -y install $dep -sudo apt-get -y install schroot - -# Create directory for chroot -sudo mkdir -p /var/lib/chroot - -# Find chroot environments that can be installed with debootstrap -targets="$(cd /usr/share/debootstrap/scripts - ls | grep '^[a-z]*$')" - -# Ask user to pick one of the available targets -echo "The following targets are available to be installed in a chroot:" -j=1; for i in $targets; do - printf '%4d: %s\n' "$j" "$i" - j=$(($j+1)) -done -while :; do - printf "Which target would you like to install: " - read n - [ "$n" -gt 0 -a "$n" -lt "$j" ] >&/dev/null && break -done -j=1; for i in $targets; do - [ "$j" -eq "$n" ] && { distname="$i"; break; } - j=$(($j+1)) -done - -# On x86-64, ask whether the user wants to install x86-32 or x86-64 -archflag= -arch= -if [ "$(uname -m)" = x86_64 ]; then - while :; do - echo "You are running a 64bit kernel. This allows you to install either a" - printf "32bit or a 64bit chroot environment. %s" \ - "Which one do you want (32, 64) " - read arch - [ "${arch}" == 32 -o "${arch}" == 64 ] && break - done - [ "${arch}" == 32 ] && archflag="--arch i386" || archflag="--arch amd64" - arch="${arch}bit" -fi -target="${distname}${arch}" - -# Don't overwrite an existing installation -[ -d /var/lib/chroot/"${target}" ] && { - echo "This chroot already exists on your machine." >&2 - echo "Delete /var/lib/chroot/${target} if you want to start over." >&2 - exit 1 -} -sudo mkdir -p /var/lib/chroot/"${target}" - -# Offer to include additional standard repositories for Ubuntu-based chroots. -alt_repos= -grep ubuntu.com /usr/share/debootstrap/scripts/"${distname}" >&/dev/null && { - while :; do - echo "Would you like to add ${distname}-updates and ${distname}-security " - echo -n "to the chroot's sources.list (y/n)? " - read alt_repos - case "${alt_repos}" in - y|Y) - alt_repos="y" - break - ;; - n|N) - break - ;; - esac - done -} - -# Remove stale entry from /etc/schroot/schroot.conf. Entries start -# with the target name in square brackets, followed by an arbitrary -# number of lines. The entry stops when either the end of file has -# been reached, or when the beginning of a new target is encountered. -# This means, we cannot easily match for a range of lines in -# "sed". Instead, we actually have to iterate over each line and check -# whether it is the beginning of a new entry. -sudo sed -ni '/^[[]'"${target%bit}"']$/,${:1;n;/^[[]/b2;b1;:2;p;n;b2};p' \ - /etc/schroot/schroot.conf - -# Download base system. This takes some time -if [ -z "${mirror}" ]; then - grep ubuntu.com /usr/share/debootstrap/scripts/"${distname}" >&/dev/null && - mirror="http://archive.ubuntu.com/ubuntu" || - mirror="http://ftp.us.debian.org/debian" -fi - sudo debootstrap ${archflag} "${distname}" /var/lib/chroot/"${target}" \ - "$mirror" - -# Add new entry to /etc/schroot/schroot.conf -grep ubuntu.com /usr/share/debootstrap/scripts/"${distname}" >&/dev/null && - brand="Ubuntu" || brand="Debian" -if [ -z "${chroot_groups}" ]; then - chroot_groups="admin,$(id -gn)" -fi -sudo sh -c 'cat >>/etc/schroot/schroot.conf' <<EOF -[${target%bit}] -description=${brand} ${distname} ${arch} -type=directory -directory=/var/lib/chroot/${target} -priority=3 -users=root -groups=${chroot_groups} -root-groups=${chroot_groups} -personality=linux$([ "${arch}" != 64bit ] && echo 32) -script-config=script-${target} - -EOF - -# Set up a special directory that changes contents depending on the target -# that is executing. -sed '/^FSTAB=/s,/mount-defaults",/mount-'"${target}"'",' \ - /etc/schroot/script-defaults | - sudo sh -c 'cat >/etc/schroot/script-'"${target}" -sudo cp /etc/schroot/mount-defaults /etc/schroot/mount-"${target}" -echo "$HOME/chroot/.${target} $HOME/chroot none rw,bind 0 0" | - sudo sh -c 'cat >>/etc/schroot/mount-'"${target}" -mkdir -p "$HOME/chroot/.${target}" - -# Install a helper script to launch commands in the chroot -sudo sh -c 'cat >/usr/local/bin/'"${target%bit}" <<EOF -#!/bin/bash -if [ \$# -eq 0 ]; then - exec schroot -c ${target%bit} -p -else - p="\$1"; shift - exec schroot -c ${target%bit} -p "\$p" -- "\$@" -fi -exit 1 -EOF -sudo chown root:root /usr/local/bin/"${target%bit}" -sudo chmod 755 /usr/local/bin/"${target%bit}" - -# Add the standard Ubuntu update repositories if requested. -[ "${alt_repos}" = "y" -a \ - -r "/var/lib/chroot/${target}/etc/apt/sources.list" ] && -sudo sed -i '/^deb .* [^ -]\+ main$/p - s/^\(deb .* [^ -]\+\) main/\1-security main/ - p - t1 - d - :1;s/-security main/-updates main/ - t - d' "/var/lib/chroot/${target}/etc/apt/sources.list" - -# Add a few more repositories to the chroot -[ "${add_srcs}" = "y" -a \ - -r "/var/lib/chroot/${target}/etc/apt/sources.list" ] && -sudo sed -i 's/ main$/ main restricted universe multiverse/ - p - t1 - d - :1;s/^deb/deb-src/ - t - d' "/var/lib/chroot/${target}/etc/apt/sources.list" - -# Update packages -sudo schroot -c "${target%bit}" -p -- /bin/sh -c ' - apt-get update; apt-get -y dist-upgrade' || : - -# Install a couple of missing packages -for i in debian-keyring ubuntu-keyring locales sudo; do - [ -d "/var/lib/chroot/${target}/usr/share/doc/$i" ] || - sudo schroot -c "${target%bit}" -p -- apt-get -y install "$i" || : -done - -# Configure locales -sudo schroot -c "${target%bit}" -p -- /bin/sh -c ' - l='"${LANG:-en_US}"'; l="${l%%.*}" - [ -r /etc/locale.gen ] && - sed -i "s/^# \($l\)/\1/" /etc/locale.gen - locale-gen $LANG en_US en_US.UTF-8' || : - -# Configure "sudo" package -sudo schroot -c "${target%bit}" -p -- /bin/sh -c ' - egrep '"'^$(id -nu) '"' /etc/sudoers >/dev/null 2>&1 || - echo '"'$(id -nu) ALL=(ALL) ALL'"' >>/etc/sudoers' - -# Install a few more commonly used packages -sudo schroot -c "${target%bit}" -p -- apt-get -y install \ - autoconf automake1.9 dpkg-dev g++-multilib gcc-multilib gdb less libtool \ - strace - -# If running a 32bit environment on a 64bit machine, install a few binaries -# as 64bit. This is only done automatically if the chroot distro is the same as -# the host, otherwise there might be incompatibilities in build settings or -# runtime dependencies. The user can force it with the '-c' flag. -host_distro=$(grep DISTRIB_CODENAME /etc/lsb-release 2>/dev/null | \ - cut -d "=" -f 2) -if [ "${copy_64}" = "y" -o \ - "${host_distro}" = "${distname}" -a "${arch}" = 32bit ] && \ - file /bin/bash 2>/dev/null | grep -q x86-64; then - readlinepkg=$(sudo schroot -c "${target%bit}" -p -- sh -c \ - 'apt-cache search "lib64readline.\$" | sort | tail -n 1 | cut -d " " -f 1') - sudo schroot -c "${target%bit}" -p -- apt-get -y install \ - lib64expat1 lib64ncurses5 ${readlinepkg} lib64z1 - dep= - for i in binutils gdb strace; do - [ -d /usr/share/doc/"$i" ] || dep="$dep $i" - done - [ -n "$dep" ] && sudo apt-get -y install $dep - sudo cp /usr/bin/gdb "/var/lib/chroot/${target}/usr/local/bin/" - sudo cp /usr/bin/ld "/var/lib/chroot/${target}/usr/local/bin/" - for i in libbfd libpython; do - lib="$({ ldd /usr/bin/ld; ldd /usr/bin/gdb; } | - grep "$i" | awk '{ print $3 }')" - if [ -n "$lib" -a -r "$lib" ]; then - sudo cp "$lib" "/var/lib/chroot/${target}/usr/lib64/" - fi - done - for lib in libssl libcrypt; do - sudo cp /usr/lib/$lib* "/var/lib/chroot/${target}/usr/lib64/" || : - done -fi - -# Clean up package files -sudo schroot -c "${target%bit}" -p -- apt-get clean -sudo apt-get clean - -# Let the user know what we did -trap '' INT TERM QUIT -trap '' EXIT -cat <<EOF - - -Successfully installed ${distname} ${arch} - -You can run programs inside of the chroot by invoking the "${target%bit}" -command. - -Your home directory is shared between the host and the chroot. But I configured -$HOME/chroot to be private to the chroot environment. You can use it -for files that need to differ between environments. -EOF |