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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2016 Adrian Gibanel Lopez <adrian15sgd@gmail.com>
##
## 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="$(Echo 'prepares and installs Grub based EFI support into binary')"
HELP=""
USAGE="${PROGRAM} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
Check_Any_Bootloader_Role "grub-efi"
Echo_message "Begin preparing Grub based EFI support..."
# Requiring stage file
Require_stagefile .build/config .build/bootstrap
# Checking stage file
Check_stagefile .build/binary_grub-efi
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
# Check architecture
Check_architectures amd64 i386 arm64
Check_crossarchitectures
# Checking depends
case "${LB_ARCHITECTURES}" in
amd64|i386)
Check_package chroot /usr/lib/grub/x86_64-efi/configfile.mod grub-efi-amd64-bin
Check_package chroot /usr/lib/grub/i386-efi/configfile.mod grub-efi-ia32-bin
;;
arm64)
Check_package chroot /usr/lib/grub/arm64-efi/configfile.mod grub-efi-arm64-bin
;;
esac
Check_package chroot /usr/bin/grub-mkimage grub-common
Check_package chroot /usr/bin/mcopy mtools
Check_package chroot /sbin/mkfs.msdos dosfstools
# Setting destination directory
case "${LIVE_IMAGE_TYPE}" in
hdd*|netboot)
Echo_warning "Bootloader in this image type not yet supported by live-build."
Echo_warning "This would produce a not bootable image, aborting (FIXME)."
exit 1
;;
esac
# Restoring cache
Restore_cache cache/packages.binary
# Installing depends
Install_package
# Cleanup files that we generate
rm -rf binary/boot/efi.img binary/boot/grub/i386-efi/ binary/boot/grub/x86_64-efi binary/boot/grub/arm64-efi
# This is workaround till both efi-image and grub-cpmodules are put into a binary package
case "${LB_BUILD_WITH_CHROOT}" in
true)
if [ ! -e "${LIVE_BUILD}" ] ; then
LIVE_BUILD_PATH="/usr/lib/live/build"
else
LIVE_BUILD_PATH="${LIVE_BUILD}/scripts/build"
fi
mkdir -p chroot/${LIVE_BUILD_PATH}
cp "${LIVE_BUILD_PATH}/efi-image" "chroot/${LIVE_BUILD_PATH}"
cp "${LIVE_BUILD_PATH}/grub-cpmodules" "chroot/${LIVE_BUILD_PATH}"
_CHROOT_DIR=""
;;
false)
_CHROOT_DIR="chroot"
;;
esac
#####
cat >binary.sh <<END
#!/bin/sh
set -e
gen_efi_boot_img(){
local platform="\$1"
local efi_name="\$2"
local netboot_prefix="\$3"
local outdir="grub-efi-temp-\${platform}"
"\${LIVE_BUILD_PATH}/efi-image" "${_CHROOT_DIR}/\$outdir" "\$platform" "\$efi_name" "\$netboot_prefix"
mkdir -p ${_CHROOT_DIR}/grub-efi-temp/efi/boot
mcopy -n -i ${_CHROOT_DIR}/\$outdir/efi.img '::efi/boot/boot*.efi' ${_CHROOT_DIR}/grub-efi-temp/efi/boot
cp -r "${_CHROOT_DIR}"/\$outdir/* "${_CHROOT_DIR}/grub-efi-temp/"
}
PRE_EFI_IMAGE_PATH="${PATH}"
if [ ! -e "${LIVE_BUILD}" ] ; then
LIVE_BUILD_PATH="/usr/lib/live/build"
else
LIVE_BUILD_PATH="${LIVE_BUILD}/scripts/build"
fi
PATH="${PATH}:\${LIVE_BUILD_PATH}" # Make sure grub-cpmodules is used as if it was installed in the system
case "${LB_ARCHITECTURES}" in
amd64|i386)
gen_efi_boot_img "x86_64-efi" "x64" "debian-live/amd64"
gen_efi_boot_img "i386-efi" "ia32" "debian-live/i386"
PATH="\${PRE_EFI_IMAGE_PATH}"
;;
arm64)
gen_efi_boot_img "arm64-efi" "aa64" "debian-live/arm64"
PATH="\${PRE_EFI_IMAGE_PATH}"
;;
esac
# The code below is adapted from tools/boot/jessie/boot-x86
# in debian-cd
# Stuff the EFI boot files into a FAT filesystem, making it as
# small as possible. 24KiB headroom seems to be enough;
# (x+31)/32*32 rounds up to multiple of 32.
# This is the same as in efi-image, but we need to redo it here in
# the case of a multi-arch amd64/i386 image
size=0
for file in ${_CHROOT_DIR}/grub-efi-temp/efi/boot/boot*.efi; do
size=\$((\$size + \$(stat -c %s "\$file")))
done
blocks=\$(((\$size / 1024 + 55) / 32 * 32 ))
rm -f ${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img
mkfs.msdos -C "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" \$blocks >/dev/null
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::efi
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::efi/boot
mcopy -o -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ${_CHROOT_DIR}/grub-efi-temp/efi/boot/boot*.efi \
"::efi/boot"
END
case "${LB_BUILD_WITH_CHROOT}" in
true)
mv binary.sh chroot/
Chroot chroot "sh binary.sh"
rm -f chroot/binary.sh
# Saving cache
Save_cache cache/packages.binary
# Removing depends
Remove_package
;;
false)
sh binary.sh
rm -f binary.sh
;;
esac
# Remove unnecessary files
rm -f chroot/grub-efi-temp/bootnetia32.efi
rm -f chroot/grub-efi-temp/bootnetx64.efi
rm -f chroot/grub-efi-temp/bootnetaa64.efi
mkdir -p binary
cp -r chroot/grub-efi-temp/* binary/
rm -rf chroot/grub-efi-temp-x86_64-efi
rm -rf chroot/grub-efi-temp-i386-efi
rm -rf chroot/grub-efi-temp-arm64-efi
rm -rf chroot/grub-efi-temp
# We rely on: binary_loopback_cfg to generate grub.cfg and other configuration files
# Creating stage file
Create_stagefile .build/binary_grub-efi
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