X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=b0737ca77275963cb43a20d9db493619e3b7a84e;hp=29cd840872bf70e8fed97cb273be99c0c6acbba5;hb=HEAD;hpb=a454a1ad00616dd231602e66782483010384723b diff --git a/chroot-script b/chroot-script old mode 100644 new mode 100755 index 29cd840..c356bc8 --- a/chroot-script +++ b/chroot-script @@ -1,29 +1,51 @@ -#!/bin/sh +#!/bin/bash # Filename: /etc/debootstrap/chroot-script # Purpose: script executed in chroot when installing Debian via grml-debootstrap # Authors: grml-team (grml.org), (c) Michael Prokop -# Bug-Reports: see http://grml.org/bugs/ +# Bug-Reports: see https://grml.org/bugs/ # License: This file is licensed under the GPL v2. -# Latest change: Mon Apr 16 14:48:41 CEST 2007 [mika] ################################################################################ +# GRML_CHROOT_SCRIPT_MARKER - do not remove this line unless you want to keep +# this script as /bin/chroot-script on your new installed system +################################################################################ +# shellcheck disable=SC2317 # shellcheck has trouble understanding the code flow in this file -set -e # exit on any error +# error_handler {{{ +set -e +set -E +set -o pipefail +trap "error_handler" ERR +# }}} +bash -n /etc/debootstrap/config +# shellcheck source=config . /etc/debootstrap/config || exit 1 +bash -n /etc/debootstrap/variables +# shellcheck source=tests/shellcheck-stub-debootstrap-variables . /etc/debootstrap/variables || exit 1 -[ -r /proc/1 ] || mount -t proc none /proc +[ -r /proc/1 ] || mount -t proc none /proc +[ -r /sys/kernel ] || mount -t sysfs none /sys + +# variable checks {{{ # use aptitude only if it's available if [ -x /usr/bin/aptitude ] ; then - APTINSTALL='aptitude -y install ' - APTUPDATE='aptitude update' + APTUPDATE="aptitude update $DPKG_OPTIONS" + # Debian ISOs do not contain signed Release files + if [ -n "$ISO" ] ; then + APTINSTALL="aptitude -y --allow-untrusted --without-recommends install $DPKG_OPTIONS" + APTUPGRADE="aptitude -y --allow-untrusted safe-upgrade $DPKG_OPTIONS" + else + APTINSTALL="aptitude -y --without-recommends install $DPKG_OPTIONS" + APTUPGRADE="aptitude -y safe-upgrade $DPKG_OPTIONS" + fi else - APTINSTALL='apt-get --force-yes -y install' - APTUPDATE='apt-get update' + APTINSTALL="apt-get -y --no-install-recommends install $DPKG_OPTIONS" + APTUPDATE="apt-get update $DPKG_OPTIONS" + APTUPGRADE="apt-get -y upgrade $DPKG_OPTIONS" fi -# variable checks {{{ if [ -z "$STAGES" ] ; then STAGES='/etc/debootstrap/stages' [ -d "$STAGES" ] || mkdir -p "$STAGES" @@ -35,25 +57,145 @@ stage() { if [ -n "$2" ] ; then echo "$2" > "$STAGES/$1" return 0 - elif grep -q done "$STAGES/$1" 2>/dev/null ; then - ewarn "Notice: stage $1 has been executed already, skipping execution therefore." ; eend 0 + elif grep -q 'done' "$STAGES/$1" 2>/dev/null ; then + echo " [*] Notice: stage $1 has been executed already, skipping execution therefore.">&2 return 1 fi + echo " Executing stage ${1}" + return 0 +} + +askpass() { + # read -s emulation for dash. result is in $resp. + set -o noglob + [ -t 0 ] && stty -echo + read -r resp + [ -t 0 ] && stty echo + set +o noglob } # }}} # define chroot mirror {{{ chrootmirror() { - if [ -n "$CHROOTMIRROR" ] ; then - echo "deb $CHROOTMIRROR $RELEASE main contrib non-free" > /etc/apt/sources.list + if [ "$KEEP_SRC_LIST" = "yes" ] ; then + echo "KEEP_SRC_LIST has been enabled, skipping chrootmirror stage." + return + fi + + if [ -z "$COMPONENTS" ] ; then + COMPONENTS='main' + fi + echo "Using repository components $COMPONENTS" + + if [ -n "$ISO" ] ; then + echo "Adjusting sources.list for ISO (${ISO})." + echo "deb $ISO $RELEASE $COMPONENTS" > /etc/apt/sources.list + + if [ -n "$MIRROR" ] ; then + echo "Adding mirror entry (${MIRROR}) to sources.list." + echo "deb $MIRROR $RELEASE $COMPONENTS" >> /etc/apt/sources.list + fi + else + if [ -n "$MIRROR" ] ; then + echo "Adjusting sources.list for mirror (${MIRROR})." + echo "deb $MIRROR $RELEASE $COMPONENTS" > /etc/apt/sources.list + fi + fi + + # add security.debian.org: + case "$RELEASE" in + unstable|sid|stretch) ;; # no security pool available + jessie|buster) + echo "Adding security.debian.org to sources.list." + echo "deb http://security.debian.org ${RELEASE}/updates $COMPONENTS" >> /etc/apt/sources.list + ;; + *) + # bullseye and newer releases use a different repository layout, see + # https://lists.debian.org/debian-devel-announce/2019/07/msg00004.html + echo "Adding security.debian.org/debian-security to sources.list." + echo "deb http://security.debian.org/debian-security ${RELEASE}-security $COMPONENTS" >> /etc/apt/sources.list + ;; + esac +} +# }}} + +# remove local chroot mirror {{{ +remove_chrootmirror() { + if [ "$KEEP_SRC_LIST" = "yes" ] ; then + echo "KEEP_SRC_LIST has been enabled, skipping remove_chrootmirror stage." + return + fi + + if [ -n "$ISO" ] ; then + echo "Removing ISO (${ISO}) from sources.list." + TMP_ISO="${ISO//\//\\\/}" + sed -i "/deb $TMP_ISO $RELEASE $COMPONENTS/ D" /etc/apt/sources.list + else + if [ -n "$MIRROR" ] && echo "$MIRROR" | grep -q 'file:' ; then + echo "Removing local mirror (${MIRROR}) from sources.list." + TMP_MIRROR="${MIRROR//\//\\\/}" + sed -i "/deb $TMP_MIRROR $RELEASE $COMPONENTS/ D" /etc/apt/sources.list + echo "Adding fallback mirror entry (${FALLBACK_MIRROR}) to sources.list instead." + echo "deb $FALLBACK_MIRROR $RELEASE $COMPONENTS" >> /etc/apt/sources.list + fi fi } # }}} # set up grml repository {{{ grmlrepos() { - if [ -n "$GRMLREPOS" ] ; then - echo 'deb http://grml.org/repos/ ./' >> /etc/apt/sources.list + if [ -z "$GRMLREPOS" ] ; then + return 0 + fi + + # user might have provided their own apt sources configuration + if [ -r /etc/apt/sources.list.d/grml.list ] ; then + echo "File /etc/apt/sources.list.d/grml.list exists already, not modifying." + else + echo "Setting up /etc/apt/sources.list.d/grml.list." + cat > /etc/apt/sources.list.d/grml.list << EOF +# grml: stable repository: + deb [signed-by=/usr/share/keyrings/grml-archive-keyring.gpg] http://deb.grml.org/ grml-stable main + deb-src [signed-by=/usr/share/keyrings/grml-archive-keyring.gpg] http://deb.grml.org/ grml-stable main + +# grml: testing/development repository: + deb [signed-by=/usr/share/keyrings/grml-archive-keyring.gpg] http://deb.grml.org/ grml-testing main + deb-src [signed-by=/usr/share/keyrings/grml-archive-keyring.gpg] http://deb.grml.org/ grml-testing main +EOF + fi + + # make sure we install packages from Grml's pool only if not available from Debian + if [ -r /etc/apt/preferences.d/grml.pref ] ; then + echo "File /etc/apt/preferences.d/grml.pref exists already, not modifying." + else + echo "Setting up /etc/apt/preferences.d/grml.pref." + cat > /etc/apt/preferences.d/grml.pref << EOF +Explanation: use Grml repository only after Debian ones +Package: * +Pin: origin deb.grml.org +Pin-Priority: 100 +EOF + fi + + apt-get update -o Acquire::AllowInsecureRepositories=1 + apt-get -y --allow-unauthenticated install grml-debian-keyring + apt-get update + + if [ "$(dpkg-query -f "\${db:Status-Status} \${db:Status-Eflag}" -W grml-debian-keyring 2>/dev/null)" != 'installed ok' ]; then + echo "Error: installation of grml-debian-keyring failed." >&2 + exit 1 + fi +} +# }}} + +# feature to provide Debian backports repos {{{ +backportrepos() { + if [ -n "$BACKPORTREPOS" ] ; then + cat >> /etc/apt/sources.list.d/backports.list << EOF +# debian backports: ${RELEASE}-backports repository: +deb ${MIRROR} ${RELEASE}-backports main +deb-src ${MIRROR} ${RELEASE}-backports main +EOF fi } # }}} @@ -72,56 +214,157 @@ EOF } # }}} -# create default devices {{{ -makedev() { - if ! [ -r /dev/hda20 ] ; then - echo "Creating generic devices in /dev - this might take a while..." - cd /dev && MAKEDEV generic +# make sure services do not start up {{{ +install_policy_rcd() { + if ! [ -r /usr/sbin/policy-rc.d ] ; then + export POLICYRCD=1 + cat > /usr/sbin/policy-rc.d << EOF +#!/bin/sh +exit 101 +EOF + chmod 775 /usr/sbin/policy-rc.d + fi +} +# }}} + +# make sure we have an up2date system {{{ +upgrade_system() { + if [ "$UPGRADE_SYSTEM" = "yes" ] ; then + echo "Running update + upgrade" + $APTUPDATE + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTUPGRADE + else + echo "Not running update + upgrade as \$UPDATE_AND_UPGRADE is not set to 'yes'." + fi +} + +# }}} +# remove now useless apt cache {{{ +remove_apt_cache() { + if [ "$RM_APTCACHE" = 'yes' ] ; then + echo "Cleaning apt cache." + # shellcheck disable=SC2086 + apt-get clean $DPKG_OPTIONS + else + echo "Not cleaning apt cache as \$RM_APTCACHE is unset." fi } # }}} # install additional packages {{{ packages() { + # Pre-seed the debconf database with answers. Each question will be marked + # as seen to prevent debconf from asking the question interactively. + [ -f /etc/debootstrap/debconf-selections ] && { + echo "Preseeding the debconf database, some lines might be skipped..." + debconf-set-selections < /etc/debootstrap/debconf-selections + } + if [ "$PACKAGES" = 'yes' ] ; then - if ! [ -r /etc/debootstrap/packages ] ; then - echo "Error: /etc/debootstrap/packages not found, exiting." - exit 1 - else - $APTUPDATE - $APTINSTALL $(cat /etc/debootstrap/packages) $GRMLPACKAGES - fi + PACKAGES_FILE="/etc/debootstrap/packages" + + if [ "$ARCH" = 'arm64' ]; then + PACKAGES_FILE="/etc/debootstrap/packages-arm64" + fi + + if ! [ -r "${PACKAGES_FILE}" ] ; then + echo "Error: ${PACKAGES_FILE} (inside chroot) not found, exiting." >&2 + exit 1 + else + $APTUPDATE + + # shellcheck disable=SC2086,SC2046 + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $(grep -v '^#' "${PACKAGES_FILE}") $GRMLPACKAGES + fi fi } # }}} -# sarge specific stuff: mkinitrd {{{ -mkinitrd() { - if [ "$RELEASE" = 'sarge' ] ; then - sed -i "s#ROOT=probe#ROOT=$TARGET#" /etc/mkinitrd/mkinitrd.conf - fi +# install extra packages {{{ +extrapackages() { + if [ "$EXTRAPACKAGES" = 'yes' ] ; then + PACKAGELIST=$(find /etc/debootstrap/extrapackages -type f -name '*.deb') + if [ -n "$PACKAGELIST" ]; then + # shellcheck disable=SC2086 + dpkg -i $PACKAGELIST + # run apt again to resolve any deps + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL + fi + fi } # }}} +# check if the specified Debian package exists +package_exists() { + output=$(apt-cache show "$1" 2>/dev/null) + [ -n "$output" ] + return $? +} + + +# determine the kernel version postfix +get_kernel_version() { + # do not override $KERNEL if set via config file + if [ -n "$KERNEL" ] ; then + echo "$KERNEL" + return 0 + fi + + local KARCH + + # shellcheck disable=SC2153 + case "$ARCH" in + i386) + KARCH='686-pae' + ;; + amd64) + KARCH='amd64' + ;; + arm64) + KARCH='arm64' + ;; + *) + echo "Only i386, amd64 and arm64 are currently supported" >&2 + return 1 + esac + + local KPACKAGE + KPACKAGE=linux-image-"${KPREFIX}${KARCH}" + if package_exists "$KPACKAGE"; then + echo "${KPREFIX}${KARCH}" + return 0 + fi + + echo "Expected kernel package $KPACKAGE not found" >&2 + return 1 +} + # install kernel packages {{{ kernel() { - # do not override $KERNEL if set via config file - if [ -z "$KERNEL" ] ; then - if [ "$ARCH" = 'i386' ] ; then - KERNEL='2.6-686' - elif [ "$ARCH" = 'amd64' ] ; then - KERNEL='2.6-amd64' - fi + if [ -n "$NOKERNEL" ] ; then + echo "Skipping installation of kernel packages as requested via --nokernel" + return 0 fi - if [ -n "$KERNEL" ] ; then - $APTUPDATE - if [ "$RELEASE" = 'sarge' ] ; then - KERNELPACKAGES="kernel-image-$KERNEL kernel-headers-$KERNEL" - else - KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL" + $APTUPDATE + KVER=$(get_kernel_version) + if [ -n "$KVER" ] ; then + case "$RELEASE" in + stretch) + echo "Installing busybox on Debian/$RELEASE as it's essential for the initramfs" + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL busybox + ;; + esac + + KERNELPACKAGES="linux-image-$KVER linux-headers-$KVER firmware-linux-free $INITRD_GENERATOR" + # only add firmware-linux if we have non-free as a component + if expr "$COMPONENTS" : '.*non-free' >/dev/null ; then + KERNELPACKAGES="$KERNELPACKAGES firmware-linux" fi - $APTINSTALL $KERNELPACKAGES + # shellcheck disable=SC2086 + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $KERNELPACKAGES + else + echo "Warning: Could not find a kernel for your system. Your system won't be able to boot itself!" fi } # }}} @@ -130,43 +373,85 @@ kernel() { reconfigure() { if [ -n "$RECONFIGURE" ] ; then for package in $RECONFIGURE ; do - dpkg --list $package 1>/dev/null 2>/dev/null && dpkg-reconfigure $package || echo "Warning: $package does not exist, can not reconfigure it." + if dpkg --list "$package" >/dev/null 2>&1 | grep -q '^ii' ; then + DEBIAN_FRONTEND=$DEBIAN_FRONTEND dpkg-reconfigure "$package" || \ + echo "Warning: $package does not exist, can not reconfigure it." + fi done fi } # }}} # set password of user root {{{ -passwords() { - echo "Activating shadow passwords." - shadowconfig on - echo "Setting password for user root:" - set +e # do not exit if passwd returns error due to missmatching passwords - passwd - echo "" - set -e # restore default behaviour again +passwords() +{ + if [ -n "$NOPASSWORD" ] ; then + echo "Skip setting root password as requested." + return 0 + fi + + CHPASSWD_OPTION= + if chpasswd --help 2>&1 | grep -q -- '-m,' ; then + CHPASSWD_OPTION='-m' + fi + + if [ -n "$ROOTPASSWORD" ] ; then + # shellcheck disable=SC2086 + echo root:"$ROOTPASSWORD" | chpasswd $CHPASSWD_OPTION + export ROOTPASSWORD='' + else + a='1' + b='2' + echo "Setting password for user root:" + while [ "$a" != "$b" ] ; do + printf "Enter new UNIX password for user root: " + askpass + a="$resp" + unset resp + echo + printf "Retype new UNIX password for user root: " + askpass + b="$resp" + unset resp + echo + if [ "$a" != "$b" ] ; then + echo "Sorry, passwords do not match. Retry." + a='1' + b='2' + else + # shellcheck disable=SC2086 + echo root:"$a" | chpasswd $CHPASSWD_OPTION + unset a + unset b + fi + done + fi } # }}} # set up /etc/hosts {{{ hosts() { if ! [ -f /etc/hosts ] ; then - echo "Setting up /etc/hosts" - echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts + cat > /etc/hosts << EOF +127.0.0.1 localhost +::1 localhost ip6-localhost ip6-loopback +ff02::1 ip6-allnodes +ff02::2 ip6-allrouters +EOF fi } # }}} -# set up /etc/network/interfaces {{{ -interfaces() { - if ! [ -f /etc/network/interfaces ] ; then - echo "Setting up /etc/network/interfaces" - cat >> /etc/network/interfaces << EOF -iface lo inet loopback -iface eth0 inet dhcp -auto lo -auto eth0 -EOF +# set default locales {{{ +default_locales() { + if [ -n "$DEFAULT_LOCALES" ] ; then + if ! [ -x /usr/sbin/update-locale ] ; then + echo "Warning: update-locale executable not available (no locales package installed?)" + echo "Ignoring request to run update-locale for $DEFAULT_LOCALES therefore" + return 0 + fi + + /usr/sbin/update-locale LANGUAGE="$DEFAULT_LANGUAGE" LANG="$DEFAULT_LOCALES" fi } # }}} @@ -174,26 +459,63 @@ EOF # adjust timezone {{{ timezone() { if [ -n "$TIMEZONE" ] ; then - echo "Adjusting /etc/localtime" - ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime + echo "Adjusting /etc/localtime" + ln -sf "/usr/share/zoneinfo/$TIMEZONE" /etc/localtime + + echo "Setting /etc/timezone to $TIMEZONE" + printf '%s\n' "$TIMEZONE" > /etc/timezone + fi } # }}} # helper function for fstab() {{{ createfstab(){ - echo "Setting up /etc/fstab" -cat > /etc/fstab << EOF -$TARGET / auto defaults,errors=remount-ro 0 1 -/sys /sys sysfs rw,nosuid,nodev,noexec 0 0 -proc /proc proc defaults 0 0 -/dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0 + echo "Setting up /etc/fstab" + cat > /etc/fstab <> /etc/fstab + else + echo "Warning: couldn't identify target UUID for rootfs, your /etc/fstab might be incomplete." + fi + +if [ -n "$EFI" ] ; then + UUID_EFI="$(blkid -o value -s UUID "$EFI")" + echo "UUID=$UUID_EFI /boot/efi vfat umask=0077 0 1" >> /etc/fstab +fi + +cat >> /etc/fstab << EOF +proc /proc proc defaults 0 0 +/dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0 # some other examples: -# /dev/sda2 none swap sw 0 0 +# /dev/sda2 none swap sw,pri=0 0 0 # /dev/hda1 /Grml ext3 dev,suid,user,noauto 0 2 -# //1.2.3.4/pub /smb/pub smbfs defaults,user,noauto,uid=grml,gid=grml 0 0 +# //1.2.3.4/pub /smb/pub cifs user,noauto,uid=grml,gid=grml 0 0 # linux:/pub /beer nfs defaults 0 0 # tmpfs /tmp tmpfs size=300M 0 0 +# /dev/sda5 none swap sw 0 0 EOF } # }}} @@ -212,11 +534,58 @@ fstab() { } # }}} +# ensure we have according filesystem tools available {{{ +install_fs_tools() { + local pkg="" + + # note: this is supposed to be coming either via command lines' + # $_opt_filesystem or via createfstab() + case "${FILESYSTEM}" in + jfs) + pkg="jfsutils" + ;; + xfs) + pkg="xfsprogs" + ;; + esac + + if [ -n "${pkg:-}" ] && ! dpkg --list "${pkg}" 2>/dev/null | grep -q '^ii' ; then + echo "Filesystem package ${pkg} not present, installing now" + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL "${pkg}" + fi +} +# }}} + # set up hostname {{{ hostname() { if [ -n "$HOSTNAME" ] ; then echo "Setting hostname to ${HOSTNAME}." echo "$HOSTNAME" > /etc/hostname + + # adjust postfix configuration + if [ -r /etc/postfix/main.cf ] ; then + # adjust hostname related options: + sed -i "s/grml/$HOSTNAME/g" /etc/postfix/main.cf + + # listen on loopback interface only: + sed -i "s/^inet_interfaces = .*/inet_interfaces = loopback-only/" /etc/postfix/main.cf + grep -q inet_interfaces /etc/postfix/main.cf || echo 'inet_interfaces = loopback-only' >> /etc/postfix/main.cf + fi + if [ -r /etc/mailname ] ; then + # adjust /etc/mailname + local etc_mail_domain + etc_mail_domain=$(/bin/dnsdomainname 2>/dev/null || echo localdomain) + case "$HOSTNAME" in + *.*) + local mailname="$HOSTNAME" + ;; + *) + local mailname="${HOSTNAME}.${etc_mail_domain}" + ;; + esac + echo "Setting mailname to ${mailname}" + echo "$mailname" > /etc/mailname + fi fi } # }}} @@ -224,95 +593,232 @@ hostname() { # generate initrd/initramfs {{{ initrd() { # assume the first available kernel as our main kernel - KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1) + # shellcheck disable=SC2012 + KERNELIMG=$(ls -1 /boot/vmlinuz-* 2>/dev/null | head -1) + if [ -z "$KERNELIMG" ] ; then + echo 'No kernel image found, skipping initrd stuff.'>&2 + return + fi + KERNELVER=${KERNELIMG#/boot/vmlinuz-} # generate initrd if [ -n "$INITRD" ] ; then - if [ "$RELEASE" = 'sarge' ] ; then - echo "Release sarge detected, will not create an initrd." + echo "Generating initrd." + if [ "$INITRD_GENERATOR" = 'dracut' ] ; then + # shellcheck disable=SC2086 + dracut --no-hostonly --kver "$KERNELVER" --fstab --add-fstab /etc/fstab --force --reproducible $INITRD_GENERATOR_OPTS else - echo "Generating initrd." - update-initramfs -c -t -k $KERNELVER - if [ -f "/boot/initrd.img-$KERNELVER" ] ; then - GRUBINITRD="initrd /boot/initrd.img-$KERNELVER" - LILOINITRD=" initrd=/boot/initrd.img-$KERNELVER" - fi + # shellcheck disable=SC2086 + update-initramfs -c -t -k "$KERNELVER" $INITRD_GENERATOR_OPTS fi fi } # }}} +efi_setup() { + if [ -z "$EFI" ] ; then + return 0 + fi + + if ! dpkg --list efibootmgr 2>/dev/null | grep -q '^ii' ; then + echo "Notice: efi option set but no efibootmgr package, installing it therefore." + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL efibootmgr + fi + + mkdir -p /boot/efi + echo "Mounting $EFI on /boot/efi" + mount "$EFI" /boot/efi + + # if efivarfs kernel module is loaded, but efivars isn't, + # then we need to mount efivarfs for efibootmgr usage + if ! ls /sys/firmware/efi/efivars/* &>/dev/null ; then + echo "Mounting efivarfs on /sys/firmware/efi/efivars" + mount -t efivarfs efivarfs /sys/firmware/efi/efivars + fi + + echo "Invoking efibootmgr" + efibootmgr +} + # grub configuration/installation {{{ -grub() { - if [ -z "$GROOT" ] ; then - echo "Warning: \$GROOT is not defined, will not adjust grub configuration therefore." + +# helper function to get relevant /dev/disk/by-id/* entries, +# based on GRUB's postinst script +available_ids() { + local path ids + + [ -d /dev/disk/by-id ] || return + ids="$( + for path in /dev/disk/by-id/*; do + [ -e "${path}" ] || continue + printf '%s %s\n' "${path}" "$(readlink -f "${path}")" + done | sort -k2 -s -u | cut -d' ' -f1 + )" + echo "${ids}" +} + +# helper function to report corresponding /dev/disk/by-id/ for a given device name, +# based on GRUB's postinst script +device_to_id() { + local id + + for id in $(available_ids); do + if [ "$(readlink -f "${id}")" = "$(readlink -f "$1")" ]; then + echo "${id}" + return 0 + fi + done + + # Fall back to the plain device name if there's no by-id link for it. + if [ -e "$1" ]; then + echo "$1" + return 0 + fi + return 1 +} + +grub_install() { + + if [ -z "$GRUB" ] ; then + echo "Notice: \$GRUB not defined, will not install grub inside chroot at this stage." + return 0 + fi + + efi_setup + + if [ -n "$EFI" ] ; then + GRUB_PACKAGE=grub-efi-amd64 else - echo "Adjusting grub configuration for use on ${GROOT}." - - # copy stage-files to /boot/grub/ - [ -d /boot/grub/ ] || mkdir /boot/grub - # i386 specific: - [ -d /usr/lib/grub/i386-pc ] && cp /usr/lib/grub/i386-pc/* /boot/grub/ - # amd64 specific: - [ -d /usr/lib/grub/x86_64-pc ] && cp /usr/lib/grub/x86_64-pc/* /boot/grub/ - # sarge ships grub files in another directory - [ "$RELEASE" = 'sarge' ] && cp /lib/grub/i386-pc/* /boot/grub/ - - # finally install grub - if [ -x /usr/sbin/update-grub ] ; then - UPDATEGRUB='/usr/sbin/update-grub' - else - UPDATEGRUB='/sbin/update-grub' - fi - $UPDATEGRUB -y - if [ -f /boot/grub/menu.lst ] ; then - sed -i "s/^# groot=.*/# groot=(${GROOT})/g" /boot/grub/menu.lst - sed -i "s|^# kopt=root=.*|# kopt=root=${TARGET} ro|g" /boot/grub/menu.lst - # not sure why savedefault does not work for me; any ideas? - sed -i "s/^savedefault.*/# &/g" /boot/grub/menu.lst - $UPDATEGRUB -y - fi + GRUB_PACKAGE=grub-pc + fi + + # make sure this is pre-defined so we have sane settings for automated + # upgrades, see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=711019 + local grub_device + grub_device=$(device_to_id "${GRUB}") + if [ -z "${grub_device:-}" ] ; then + echo "Warning: Could not identify /dev/disk/by-id/... for '${GRUB}', falling back to '${GRUB}'" + grub_device="${GRUB}" + fi + + echo "Setting ${GRUB_PACKAGE} debconf configuration for install device to $GRUB" + echo "${GRUB_PACKAGE} ${GRUB_PACKAGE}/install_devices multiselect ${grub_device}" | debconf-set-selections + + if ! dpkg --list "${GRUB_PACKAGE}" 2>/dev/null | grep -q '^ii' ; then + echo "Notice: grub option set but no ${GRUB_PACKAGE} package, installing it therefore." + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL "${GRUB_PACKAGE}" + fi + + if ! [ -x "$(command -v grub-install)" ] ; then + echo "Error: grub-install not available. (Error while installing grub package?)" >&2 + return 1 + fi + if ! [ -x "$(command -v update-grub)" ] ; then + echo "Error: update-grub not available. (Error while installing grub package?)" >&2 + return 1 + fi + + if [ -n "$SELECTED_PARTITIONS" ] ; then # using sw-raid + for device in $SELECTED_PARTITIONS ; do + GRUB="${device%%[0-9]}" + echo "Installing grub on ${GRUB}:" + if ! grub-install --no-floppy "$GRUB" ; then + echo "Error: failed to execute 'grub-install --no-floppy $GRUB'." >&2 + exit 1 + fi + + done + rm -f /boot/grub/device.map + else + echo "Installing grub on ${GRUB}:" + echo "(hd0) ${GRUB}" > /boot/grub/device.map + if ! grub-install "(hd0)" ; then + echo "Error: failed to execute 'grub-install (hd0)'." >&2 + exit 1 + fi + rm /boot/grub/device.map fi + + echo "Adjusting grub configuration for use on ${GRUB}." + + if [ -n "${BOOT_APPEND}" ] ; then + echo "Adding BOOT_APPEND configuration ['${BOOT_APPEND}'] to /etc/default/grub." + sed -i "/GRUB_CMDLINE_LINUX_DEFAULT/ s#\"\$# ${BOOT_APPEND}\"#" /etc/default/grub + fi + + mountpoint /boot/efi &>/dev/null && umount /boot/efi + + # finally install grub. Existence of update-grub is checked above. + update-grub +} +# }}} + +# execute all scripts present in /etc/debootstrap/chroot-scripts/ {{{ +custom_scripts() { + [ -d /etc/debootstrap/chroot-scripts/ ] || return 0 + + for script in /etc/debootstrap/chroot-scripts/* ; do + echo "Executing script $script" + $script && echo "done" || echo "failed" + done } # }}} # make sure we don't have any running processes left {{{ services() { for service in ssh mdadm mdadm-raid ; do - [ -x "/etc/init.d/$service" ] && "/etc/init.d/$service" stop + if [ -x /etc/init.d/"$service" ] ; then + /etc/init.d/"$service" stop || true + fi done } # }}} -# unmount all filesystems in chroot, make sure nothing is left {{{ +# unmount /proc and make sure nothing is left {{{ finalize() { - umount -a 1>/dev/null 2>/dev/null || true - umount /proc 1>/dev/null 2>/dev/null || true - umount /proc 1>/dev/null 2>/dev/null || true - umount -a 1>/dev/null 2>/dev/null || true + # make sure we don't leave any sensible data + rm -f /etc/debootstrap/variables + + [ -n "$POLICYRCD" ] && rm -f /usr/sbin/policy-rc.d + + umount /sys/firmware/efi/efivars &>/dev/null || true + + umount /sys >/dev/null 2>/dev/null || true + umount /proc >/dev/null 2>/dev/null || true +} +# }}} + +# signal handler {{{ +signal_handler() { + finalize + [ -n "$1" ] && EXIT="$1" || EXIT="1" + exit "$EXIT" } # }}} +# set signal handler {{{ +trap signal_handler HUP INT QUIT TERM +# }}} + # execute the functions {{{ - stage chrootmirror && chrootmirror && stage chrootmirror done - stage grmlrepos && grmlrepos && stage grmlrepos done - stage kernelimg_conf && kernelimg_conf && stage kernelimg_conf done - stage makedev && makedev && stage makedev done - stage packages && packages && stage packages done - stage mkinitrd && mkinitrd && stage mkinitrd done - stage kernel && kernel && stage kernel done - stage reconfigure && reconfigure && stage reconfigure done - stage passwords && passwords && stage passwords done - stage hosts && hosts && stage hosts done - stage interfaces && interfaces && stage interfaces done - stage timezone && timezone && stage timezone done - stage fstab && fstab && stage fstab done - stage hostname && hostname && stage hostname done - stage initrd && initrd && stage initrd done - stage grub && grub && stage grub done - stage services && services && stage services done - stage finalize && finalize && stage finalize done + + # always execute install_policy_rcd + install_policy_rcd + + for i in chrootmirror grmlrepos backportrepos kernelimg_conf \ + kernel packages extrapackages reconfigure hosts \ + default_locales timezone fstab install_fs_tools hostname \ + initrd grub_install passwords \ + custom_scripts upgrade_system remove_apt_cache services \ + remove_chrootmirror; do + if stage "$i" ; then + "$i" + stage "$i" 'done' + fi + done + # always execute the finalize stage: + finalize # }}} # finally exit the chroot {{{