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live-build/scripts/build/binary_grub_cfg

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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2016-2020 The Debian Live team
## 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="Generates config for grub-pc and grub-efi, and installs loopback support"
USAGE="${PROGRAM} [--force]"
# Processing arguments and configuration files
Init_config_data "${@}"
# NOTE: This creates the config used for both grub-pc and grub-efi.
# It also installs loopback.cfg for looback support, which depends upon that
# config. Since loopback support is added unconditionally, this script is
# thus run unconditionally!
# TODO: Add an option to allow disabling loopback.cfg creation? (and thus conditionally run the script)
Echo_message "Begin installing config for grub-pc and/or grub-efi, and loopback support..."
# Requiring stage file
Require_stagefiles config bootstrap
# Checking stage file
Check_stagefile
# Acquire lock file
Acquire_lockfile
_TARGET="binary/boot/grub"
# Local functions
Grub_live_menu_entry() {
local LABEL="$1"
local KERNEL="$2"
local INITRD="$3"
local APPEND="$4"
local HOTKEY="${5:+ --hotkey=$5}"
cat >> "${LIVE_ENTRIES_TMP}" <<END
menuentry "${LABEL}"${HOTKEY} {
linux $KERNEL $APPEND
initrd $INITRD
}
END
}
Grub_live_autodetect_menu_entry ()
{
local LABEL="${1}"
local AMD64_KERNEL="${2}"
local AMD64_INITRD="${3}"
local _686_KERNEL="${4}"
local _686_INITRD="${5}"
local APPEND="${6}"
cat >> "${LIVE_ENTRIES_TMP}" <<END
# Autodetect if amd64 is supported
menuentry "$LABEL" {
if cpuid -l; then
linux ${AMD64_KERNEL} ${APPEND}
initrd ${AMD64_INITRD}
else
linux ${_686_KERNEL} ${APPEND}
initrd ${_686_INITRD}
fi
}
END
}
# User config replacement/additional files
_SOURCE_USER="config/bootloaders/grub-pc"
# Copying templates
mkdir -p "${_TARGET}"
if [ -n "${LIVE_BUILD}" ]; then
cp -a "${LIVE_BUILD}/share/bootloaders/grub-pc"/* "${_TARGET}"/
else
cp -a "/usr/share/live/build/bootloaders/grub-pc"/* "${_TARGET}"/
fi
if [ -e "${_SOURCE_USER}" ]; then
cp -af "${_SOURCE_USER}"/* "${_TARGET}"/
fi
case "${LB_INITRAMFS}" in
live-boot)
INITFS="live"
;;
dracut-live)
INITFS="live"
LB_BOOTAPPEND_LIVE="$(echo "${LB_BOOTAPPEND_LIVE}" | sed "s|@ISOVOLUME_TS@|$(date $DATE_UTC_OPTION -d@${SOURCE_DATE_EPOCH} +%Y%m%d-%H:%M)|")"
LB_BOOTAPPEND_LIVE_FAILSAFE="$(echo "${LB_BOOTAPPEND_LIVE_FAILSAFE}" | sed "s|@ISOVOLUME_TS@|$(date $DATE_UTC_OPTION -d@${SOURCE_DATE_EPOCH} +%Y%m%d-%H:%M)|")"
;;
*)
INITFS="boot"
;;
esac
# Setting boot parameters
if [ "${LB_UNION_FILESYSTEM}" != "overlay" ]; then
LB_BOOTAPPEND_LIVE="${LB_BOOTAPPEND_LIVE} union=${LB_UNION_FILESYSTEM}"
fi
# Default entries
DEFAULT_FLAVOUR="$(echo ${LB_LINUX_FLAVOURS} | awk '{ print $1 }')"
DEFAULT_KERNEL="$(basename chroot/boot/vmlinuz-*${DEFAULT_FLAVOUR})"
DEFAULT_INITRD="initrd.img-$(echo ${DEFAULT_KERNEL} | sed -e 's|vmlinuz-||')"
KERNEL_LIVE="/${INITFS}/${DEFAULT_KERNEL}"
INITRD_LIVE="/${INITFS}/${DEFAULT_INITRD}"
FLAVOUR_LIVE="${DEFAULT_FLAVOUR}"
# live-boot and dracut use different kernel parameters for loopback
# booting
case "${LB_INITRAMFS}" in
live-boot)
APPEND_LIVE="${LB_BOOTAPPEND_LIVE} findiso=\${iso_path}"
;;
dracut-live)
APPEND_LIVE="${LB_BOOTAPPEND_LIVE} iso-scan/filename=\${iso_path}"
;;
none)
APPEND_LIVE="${LB_BOOTAPPEND_LIVE}"
;;
esac
# Ensure fresh live entries
LIVE_ENTRIES_TMP="${_TARGET}/live.cfg.tmp"
rm -f "${LIVE_ENTRIES_TMP}"
# Assemble live menu entries
_AMD64_686_NUMBER="0"
for _FLAVOUR in ${LB_LINUX_FLAVOURS}; do
if [ "${_FLAVOUR}" = "amd64" -o "${_FLAVOUR}" = "686" ]; then
_AMD64_686_NUMBER="$((${_AMD64_686_NUMBER} + 1))"
fi
done
if [ "${_AMD64_686_NUMBER}" -ge 2 ] ; then
# Default entries
AMD64_KERNEL="$(basename chroot/boot/vmlinuz-*amd64)"
AMD64_INITRD="initrd.img-$(echo ${AMD64_KERNEL} | sed -e 's|vmlinuz-||')"
_686_KERNEL="$(basename chroot/boot/vmlinuz-*686)"
_686_INITRD="initrd.img-$(echo ${_686_KERNEL} | sed -e 's|vmlinuz-||')"
Grub_live_autodetect_menu_entry "Live system (autodetect)" \
"/${INITFS}/${AMD64_KERNEL}" \
"/${INITFS}/${AMD64_INITRD}" \
"/${INITFS}/${_686_KERNEL}" \
"/${INITFS}/${_686_INITRD}" \
"${APPEND_LIVE}"
if [ "${LB_BOOTAPPEND_LIVE_FAILSAFE}" != "none" ]; then
Grub_live_autodetect_menu_entry "Live system (autodetect) (fail-safe mode)" \
"/${INITFS}/${AMD64_KERNEL}" \
"/${INITFS}/${AMD64_INITRD}" \
"/${INITFS}/${_686_KERNEL}" \
"/${INITFS}/${_686_INITRD}" \
"${LB_BOOTAPPEND_LIVE_FAILSAFE}"
fi
else
Grub_live_menu_entry "Live system (${_FLAVOUR})" \
"/${INITFS}/${DEFAULT_KERNEL}" \
"/${INITFS}/${DEFAULT_INITRD}" \
"${APPEND_LIVE}" \
"l"
if [ "${LB_BOOTAPPEND_LIVE_FAILSAFE}" != "none" ]; then
Grub_live_menu_entry "Live system (${_FLAVOUR} fail-safe mode)" \
"/${INITFS}/${DEFAULT_KERNEL}" \
"/${INITFS}/${DEFAULT_INITRD}" \
"${LB_BOOTAPPEND_LIVE_FAILSAFE}"
fi
fi
_COUNT=0
for KERNEL in chroot/boot/vmlinuz-*; do
_COUNT=$(( $_COUNT + 1 ))
done
if [ $_COUNT -gt 1 ]; then
for KERNEL in chroot/boot/vmlinuz-*; do
VERSION="$(basename ${KERNEL} | sed -e 's|vmlinuz-||')"
Grub_live_menu_entry "Live system, kernel ${VERSION}" \
"/${INITFS}/$(basename ${KERNEL})" \
"/${INITFS}/initrd.img-${VERSION}" \
"${APPEND_LIVE}"
if [ "${LB_BOOTAPPEND_LIVE_FAILSAFE}" != "none" ]; then
Grub_live_menu_entry "Live system, kernel ${VERSION} (fail-safe mode)" \
"/${INITFS}/$(basename ${KERNEL})" \
"/${INITFS}/initrd.img-${VERSION}" \
"${LB_BOOTAPPEND_LIVE_FAILSAFE}"
fi
done
fi
# Replace placeholder with compiled live entries temporarily held in live.cfg.tmp
sed -i -e "/@LINUX_LIVE@/r ${LIVE_ENTRIES_TMP}" -e "/@LINUX_LIVE@/d" "${_TARGET}"/*.cfg
sed -i -e "/LINUX_LIVE/r ${LIVE_ENTRIES_TMP}" -e "/LINUX_LIVE/d" "${_TARGET}"/*.cfg #backwards compatibility
rm -f "${LIVE_ENTRIES_TMP}"
# Assembling debian-installer configuration
if [ "${LB_DEBIAN_INSTALLER}" != "none" ]; then
ENABLE_INSTALL_MENU="true"
KERNEL_DI="/install/vmlinuz"
INITRD_DI="/install/initrd.gz"
APPEND_DI="vga=normal ${LB_BOOTAPPEND_INSTALL} --- quiet"
KERNEL_GI="/install/gtk/vmlinuz"
INITRD_GI="/install/gtk/initrd.gz"
APPEND_GI="vga=788 ${LB_BOOTAPPEND_INSTALL} --- quiet"
if [ "${LB_DEBIAN_INSTALLER_GUI}" = "true" ]; then
rm ${_TARGET}/install_text.cfg
rm ${_TARGET}/install_start_text.cfg
mv ${_TARGET}/install_gui.cfg ${_TARGET}/install.cfg
mv ${_TARGET}/install_start_gui.cfg ${_TARGET}/install_start.cfg
else
rm ${_TARGET}/install_gui.cfg
rm ${_TARGET}/install_start_gui.cfg
mv ${_TARGET}/install_text.cfg ${_TARGET}/install.cfg
mv ${_TARGET}/install_start_text.cfg ${_TARGET}/install_start.cfg
fi
else
ENABLE_INSTALL_MENU="false"
rm "${_TARGET}"/install_text.cfg
rm "${_TARGET}"/install_gui.cfg
rm "${_TARGET}"/install_start_text.cfg
rm "${_TARGET}"/install_start_gui.cfg
fi
# Assembling memtest configuration
MEMTEST_DIR="/${INITFS}"
if [ -f "binary/${MEMTEST_DIR}/memtest.bin" ]
then
MEMTEST_BIN="${MEMTEST_DIR}/memtest.bin"
else
MEMTEST_BIN="${MEMTEST_DIR}/memtest"
fi
if [ -f "binary/${MEMTEST_DIR}/memtest" ] || [ -f "binary/${MEMTEST_DIR}/memtest.bin" ] || [ -f "binary/${MEMTEST_DIR}/memtest.efi" ]; then
ENABLE_MEMTEST="true"
MEMTEST="source /boot/grub/memtest.cfg" #for backwards compatibility
else
ENABLE_MEMTEST="false"
rm -f "${_TARGET}"/memtest.cfg
fi
# These must be held in variables to avoid mistake by checkbashisms
LINUX_INSTALL="source /boot/grub/install_start.cfg"
LINUX_ADVANCED_INSTALL="source /boot/grub/install.cfg"
# Those without '@' markers are for backwards compatibility
sed -i \
-e "s|@KERNEL_GI@|${KERNEL_GI}|" \
-e "s|@INITRD_GI@|${INITRD_GI}|" \
-e "s|@APPEND_GI@|${APPEND_GI}|" \
-e "s|@KERNEL_DI@|${KERNEL_DI}|" \
-e "s|@INITRD_DI@|${INITRD_DI}|" \
-e "s|@APPEND_DI@|${APPEND_DI}|" \
-e "s|@KERNEL_LIVE@|${KERNEL_LIVE}|" \
-e "s|@INITRD_LIVE@|${INITRD_LIVE}|" \
-e "s|@APPEND_LIVE@|${APPEND_LIVE}|" \
-e "s|@LB_BOOTAPPEND_INSTALL@|${LB_BOOTAPPEND_INSTALL}|" \
-e "s|@LB_BOOTAPPEND_LIVE_FAILSAFE@|${LB_BOOTAPPEND_LIVE_FAILSAFE}|" \
-e "s|@LB_BOOTAPPEND_LIVE@|${LB_BOOTAPPEND_LIVE}|" \
-e "s|@APPEND_INSTALL@|${LB_BOOTAPPEND_INSTALL}|" \
-e "s|@ENABLE_INSTALL_MENU@|${ENABLE_INSTALL_MENU}|" \
-e "s|@ENABLE_MEMTEST@|${ENABLE_MEMTEST}|" \
-e "s|@MEMTEST_DIR@|${MEMTEST_DIR}|" \
-e "s|@MEMTEST_BIN@|${MEMTEST_BIN}|" \
-e "s|@MEMTEST_VERSION@|${LB_MEMTEST}|" \
-e "s|@FLAVOUR_LIVE@|${FLAVOUR_LIVE}|" \
-e "s|LINUX_INSTALL|${LINUX_INSTALL}|" \
-e "s|LINUX_ADVANCED_INSTALL|${LINUX_ADVANCED_INSTALL}|" \
-e "s|MEMTEST|${MEMTEST}|" \
-e "s|KERNEL_GI|${KERNEL_GI}|" \
-e "s|INITRD_GI|${INITRD_GI}|" \
-e "s|APPEND_GI|${APPEND_GI}|" \
-e "s|KERNEL_DI|${KERNEL_DI}|" \
-e "s|INITRD_DI|${INITRD_DI}|" \
-e "s|APPEND_DI|${APPEND_DI}|" \
-e "s|KERNEL_LIVE|${KERNEL_LIVE}|" \
-e "s|INITRD_LIVE|${INITRD_LIVE}|" \
-e "s|APPEND_LIVE|${APPEND_LIVE}|" \
-e "s|LB_BOOTAPPEND_INSTALL|${LB_BOOTAPPEND_INSTALL}|" \
-e "s|LB_BOOTAPPEND_LIVE_FAILSAFE|${LB_BOOTAPPEND_LIVE_FAILSAFE}|" \
-e "s|LB_BOOTAPPEND_LIVE|${LB_BOOTAPPEND_LIVE}|" \
"${_TARGET}"/*.cfg
sed -i -e 's|//|/|g' "${_TARGET}"/*.cfg
sed -i -e 's|\ $||g' "${_TARGET}"/*.cfg
# Add loopback support
echo "source /boot/grub/grub.cfg" > "${_TARGET}"/loopback.cfg
# Creating stage file
Create_stagefile
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