live-build/scripts/build/binary_loopback_cfg

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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
set -e
# Including common functions
[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
# Setting static variables
DESCRIPTION="$(Echo 'installs loopback.cfg into binary')"
HELP=""
USAGE="${PROGRAM} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
# We avoid checking if we need to be running this bootloader
# on purpose. The reason: You will always want to have
# a loopback.cfg file
# TODO: Add an option to be able to disable this file creation
Echo_message "Begin installing loopback.cfg..."
# Requiring stage file
Require_stagefile .build/config .build/bootstrap
# Checking stage file
Check_stagefile .build/binary_loopback_cfg
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
# Check architecture
Check_architectures amd64 i386
Check_crossarchitectures
# Local functions
Grub_live_entry_commands ()
{
local KERNEL="${1}"
local INITRD="${2}"
local APPEND="${3}"
LINUX_LIVE="${LINUX_LIVE}\nlinux\t\t/${KERNEL} ${INITFS:+boot=${INITFS} }config LB_BOOTAPPEND_LIVE ${APPEND}"
LINUX_LIVE="${LINUX_LIVE}\ninitrd\t\t/${INITRD}"
}
Grub_live_entry ()
{
local LABEL="${1}"
local KERNEL="${2}"
local INITRD="${3}"
local APPEND="${4}"
LINUX_LIVE="${LINUX_LIVE}\nmenuentry \"Debian GNU/Linux - ${LABEL}\" {"
Grub_live_entry_commands "${KERNEL}" "${INITRD}" "${APPEND} findiso=\${iso_path}"
LINUX_LIVE="${LINUX_LIVE}\n}"
}
Grub_install_entry ()
{
LABEL="${1}"
KERNEL="${2}"
INITRD="${3}"
APPEND="${4}"
if [ "${LABEL}" != "rescue" ] && [ "${LABEL}" != "rescuegui" ]
then
APPEND="${APPEND} quiet"
fi
LINUX_INSTALL="${LINUX_INSTALL}\nmenuentry \"Debian GNU/Linux - ${LABEL}\" {"
LINUX_INSTALL="${LINUX_INSTALL}\nlinux\t\t/${KERNEL} ${APPEND} LB_BOOTAPPEND_INSTALL"
LINUX_INSTALL="${LINUX_INSTALL}\ninitrd\t\t/${INITRD}"
LINUX_INSTALL="${LINUX_INSTALL}\n}"
}
Grub_live_autodetect_entry ()
{
local LABEL="${1}"
local AMD64_KERNEL="${2}"
local AMD64_INITRD="${3}"
local _486_KERNEL="${4}"
local _486_INITRD="${5}"
local APPEND="${6}"
LINUX_LIVE="${LINUX_LIVE}\nmenuentry \"Debian GNU/Linux - ${LABEL}\" {"
LINUX_LIVE="${LINUX_LIVE}\nif cpuid -l ; then"
Grub_live_entry_commands "${AMD64_KERNEL}" "${AMD64_INITRD}" "${APPEND} findiso=\${iso_path}"
LINUX_LIVE="${LINUX_LIVE}\nelse"
Grub_live_entry_commands "${_486_KERNEL}" "${_486_INITRD}" "${APPEND} findiso=\${iso_path}"
LINUX_LIVE="${LINUX_LIVE}\nfi"
LINUX_LIVE="${LINUX_LIVE}\n}"
}
if [ -e "config/bootloaders/grub-pc" ]
then
# Internal local copy
_SOURCE="config/bootloaders/grub-pc"
else
# Internal system copy
if [ -n "${LIVE_BUILD}" ]
then
_SOURCE="${LIVE_BUILD}/share/bootloaders/grub-pc"
else
_SOURCE="/usr/share/live/build/bootloaders/grub-pc"
fi
fi
case "${LB_INITRAMFS}" in
live-boot)
INITFS="live"
;;
*)
INITFS=""
;;
esac
# Assembling image specifics
case "${LIVE_IMAGE_TYPE}" in
iso*)
_BOOTLOADER="isolinux"
case "${LB_MODE}" in
progress-linux)
_TARGET="binary/boot"
;;
*)
_TARGET="binary/isolinux"
;;
esac
;;
netboot)
_BOOTLOADER="pxelinux"
_TARGET="tftpboot"
;;
hdd*|*)
case ${LB_BINARY_FILESYSTEM} in
fat*|ntfs)
_BOOTLOADER=syslinux
case "${LB_MODE}" in
progress-linux)
_TARGET="binary/boot"
;;
*)
_TARGET="binary/syslinux"
;;
esac
;;
ext[234]|btrfs)
_BOOTLOADER=extlinux
_TARGET="binary/boot/extlinux"
;;
*)
Echo_error "syslinux/extlinux doesn't support ${LB_BINARY_FILESYSTEM}"
exit 1
;;
esac
;;
esac
DESTDIR_LIVE="${_TARGET}"
Check_multiarchitectures
# Creating directory
mkdir -p "${DESTDIR_LIVE}"
# Setting boot parameters
if [ "${LB_UNION_FILESYSTEM}" != "aufs" ]
then
LB_BOOTAPPEND_LIVE="${LB_BOOTAPPEND_LIVE} union=${LB_UNION_FILESYSTEM}"
fi
if [ -n "${LB_NET_COW_PATH}" ]
then
Echo_error "Net cow not yet supported on grub"
exit 1
fi
LB_BOOTAPPEND_LIVE="$(echo ${LB_BOOTAPPEND_LIVE} | sed -e 's| ||')"
# Assembling kernel configuration
# If Bootloader is not syslinux that means
# binary_syslinux it's not going to rename kernel filenames in a later stage.
# We will use binary_grub2 algorithm which does not rename kernel filenames.
FOUND_SYSLINUX=""
OLDIFS="$IFS"
IFS=","
for BOOTLOADER in ${LB_BOOTLOADERS}
do
case ${BOOTLOADER} in
"syslinux" )
FOUND_SYSLINUX="True"
break ;;
esac
done
IFS="$OLDIFS"
if [ -z ${FOUND_SYSLINUX} ]
then
_AMD64_486_NUMBER="0"
for _FLAVOUR in ${LB_LINUX_FLAVOURS}
do
if [ "${_FLAVOUR}" = "amd64" -o "${_FLAVOUR}" = "486" ] ; then
_AMD64_486_NUMBER="$((${_AMD64_486_NUMBER} + 1))"
fi
done
if [ "${_AMD64_486_NUMBER}" -ge 2 ] ; then
# Default entries
AMD64_KERNEL="$(basename chroot/boot/vmlinuz-*amd64)"
AMD64_INITRD="initrd.img-$(echo ${AMD64_KERNEL} | sed -e 's|vmlinuz-||')"
_486_KERNEL="$(basename chroot/boot/vmlinuz-*486)"
_486_INITRD="initrd.img-$(echo ${_486_KERNEL} | sed -e 's|vmlinuz-||')"
Grub_live_autodetect_entry "live (autodetect)" \
"${INITFS}/${AMD64_KERNEL}" \
"${INITFS}/${AMD64_INITRD}" \
"${INITFS}/${_486_KERNEL}" \
"${INITFS}/${_486_INITRD}"
fi
# Default entries
DEFAULT_FLAVOUR="$(echo ${LB_LINUX_FLAVOURS} | awk '{ print $1 }')"
DEFAULT_KERNEL="$(basename chroot/boot/vmlinuz-*${DEFAULT_FLAVOUR})"
DEFAULT_INITRD="initrd.img-$(echo ${DEFAULT_KERNEL} | sed -e 's|vmlinuz-||')"
Grub_live_entry "live" "${INITFS}/${DEFAULT_KERNEL}" "${INITFS}/${DEFAULT_INITRD}"
if [ "${LB_BOOTAPPEND_FAILSAFE}" != "none" ]
then
Grub_live_entry "live (fail-safe mode)" "${INITFS}/${DEFAULT_KERNEL}" "${INITFS}/${DEFAULT_INITRD}" "${LB_BOOTAPPEND_FAILSAFE}"
fi
for KERNEL in chroot/boot/vmlinuz-*
do
VERSION="$(basename ${KERNEL} | sed -e 's|vmlinuz-||')"
Grub_live_entry "live, kernel ${VERSION}" "${INITFS}/$(basename ${KERNEL})" "${INITFS}/initrd.img-${VERSION}"
Grub_live_entry "live, kernel ${VERSION} (fail-safe mode)" "${INITFS}/$(basename ${KERNEL})" "${INITFS}/initrd.img-${VERSION}" "${LB_BOOTAPPEND_FAILSAFE}"
done
else # LB_BOOTLOADERS does not contain syslinux
# If one of the bootloader is syslinux that means
# binary_syslinux it's going to rename kernel filenames.
# We will use binary_syslinux algorithm but without renaming kernel filenames.
# That will ensure binary_syslinux will find the original kernel filenames.
#if [ -e "${_TARGET}/live.cfg.in" ]
#then
# This is all rather suboptimal.. needs prettifying at some point
_FLAVOURS="$(echo ${LB_LINUX_FLAVOURS} | wc -w)"
case "${_FLAVOURS}" in
1)
Grub_live_entry "live (${LB_LINUX_FLAVOURS})" "${INITFS}/vmlinuz" "${INITFS}/initrd.img" "${LB_BOOTAPPEND_LIVE}"
Grub_live_entry "live (${LB_LINUX_FLAVOURS}) (failsafe mode)" "${INITFS}/vmlinuz" "${INITFS}/initrd.img" "${LB_BOOTAPPEND_LIVE_FAILSAFE}"
;;
*)
_AMD64_486_NUMBER="0"
for _FLAVOUR in ${LB_LINUX_FLAVOURS}
do
if [ "${_FLAVOUR}" = "amd64" -o "${_FLAVOUR}" = "486" ] ; then
_AMD64_486_NUMBER="$((${_AMD64_486_NUMBER} + 1))"
fi
done
_NUMBER="0"
for _FLAVOUR in ${LB_LINUX_FLAVOURS}
do
_NUMBER="$((${_NUMBER} + 1))"
if [ "${_FLAVOUR}" = "amd64" ] ; then
AMD64_KERNEL="vmlinuz${_NUMBER}"
AMD64_INITRD="initrd${_NUMBER}.img"
fi
if [ "${_FLAVOUR}" = "486" ] ; then
_486_KERNEL="vmlinuz${_NUMBER}"
_486_INITRD="initrd${_NUMBER}.img"
fi
done
_NUMBER="0"
for _FLAVOUR in ${LB_LINUX_FLAVOURS}
do
_NUMBER="$((${_NUMBER} + 1))"
if [ "${_NUMBER}" -gt 1 ]
then
Grub_live_entry "live (${_FLAVOUR})" "${INITFS}/vmlinuz${_NUMBER}" "${INITFS}/initrd${_NUMBER}.img" "${LB_BOOTAPPEND_LIVE}"
Grub_live_entry "live (${_FLAVOUR}) (failsafe mode)" "${INITFS}/vmlinuz${_NUMBER}" "${INITFS}/initrd${_NUMBER}.img" "${LB_BOOTAPPEND_LIVE_FAILSAFE}"
else
if [ "${_AMD64_486_NUMBER}" -ge 2 ] ; then
Grub_live_autodetect_entry "live (autodetect)" \
"${INITFS}/${AMD64_KERNEL}" \
"${INITFS}/${AMD64_INITRD}" \
"${INITFS}/${_486_KERNEL}" \
"${INITFS}/${_486_INITRD}"
fi
Grub_live_entry "live (${_FLAVOUR})" "${INITFS}/vmlinuz${_NUMBER}" "${INITFS}/initrd${_NUMBER}.img" "${LB_BOOTAPPEND_LIVE}"
Grub_live_entry "live (${_FLAVOUR}) (failsafe mode)" "${INITFS}/vmlinuz${_NUMBER}" "${INITFS}/initrd${_NUMBER}.img" "${LB_BOOTAPPEND_LIVE_FAILSAFE}"
fi
done
;;
esac
#fi
fi
LINUX_LIVE="$(/bin/echo ${LINUX_LIVE} | sed -e 's|binary||g' -e 's|//|/|g')"
# Assembling debian-installer configuration
if [ "${LB_DEBIAN_INSTALLER}" != "false" ]
then
LINUX_LIVE="#\t \"Live\"\n${LINUX_LIVE}"
LINUX_INSTALL="#\t \"Installer\"\n"
VMLINUZ_DI="install/vmlinuz"
INITRD_DI="install/initrd.gz"
APPEND_DI="vga=normal"
VMLINUZ_GI="install/gtk/vmlinuz"
INITRD_GI="install/gtk/initrd.gz"
APPEND_GI="video=vesa:ywrap,mtrr vga=788"
Grub_install_entry "install" "${VMLINUZ_DI}" "${INITRD_DI}" "${APPEND_DI}"
Grub_install_entry "installgui" "${VMLINUZ_GI}" "${INITRD_GI}" "${APPEND_GI}"
Grub_install_entry "expert" "${VMLINUZ_DI}" "${INITRD_DI}" "priority=low ${APPEND_DI}"
Grub_install_entry "expertgui" "${VMLINUZ_GI}" "${INITRD_GI}" "priority=low ${APPEND_GI}"
Grub_install_entry "rescue" "${VMLINUZ_DI}" "${INITRD_DI}" "rescue/enable=true ${APPEND_DI}"
Grub_install_entry "rescuegui" "${VMLINUZ_GI}" "${INITRD_GI}" "rescue/enable=true ${APPEND_GI}"
Grub_install_entry "auto" "${VMLINUZ_DI}" "${INITRD_DI}" "auto=true priority=critical ${APPEND_DI}"
Grub_install_entry "autogui" "${VMLINUZ_GI}" "${INITRD_GI}" "auto=true priority=critical ${APPEND_GI}"
fi
LINUX_INSTALL="$(/bin/echo ${LINUX_INSTALL} | sed -e 's|binary||g' -e 's|//|/|g')"
# Assembling memtest configuration
if [ -f "${DESTDIR_LIVE}"/memtest ]
then
MEMTEST="#\t \"Other\"\n"
MEMTEST="${MEMTEST}\nmenuentry\t\"${LB_MEMTEST}\" {\nlinux16\t${INITFS}/memtest\n}"
MEMTEST="$(/bin/echo ${MEMTEST} | sed -e 's|//|/|g')"
fi
# Copying templates
mkdir -p binary/boot/grub
cp -a "${_SOURCE}"/* binary/boot/grub/
sed -i -e "s|LINUX_LIVE|${LINUX_LIVE}|" -e "s|LINUX_INSTALL|${LINUX_INSTALL}|" -e "s|MEMTEST|${MEMTEST}|" binary/boot/grub/*.cfg
sed -i -e "s#LB_BOOTAPPEND_INSTALL#${LB_BOOTAPPEND_INSTALL}#" -e "s#LB_BOOTAPPEND_LIVE#${LB_BOOTAPPEND_LIVE}#" binary/boot/grub/*.cfg
sed -i -e 's|\ $||g' binary/boot/grub/*.cfg
echo "source /boot/grub/grub.cfg" > binary/boot/grub/loopback.cfg
# Creating stage file
Create_stagefile .build/binary_loopback_cfg