e514350f88
There are some EFI firmwares that expect the loader to be in that location and being uppercase, so that there more chances to make this boot on more systems.
386 lines
13 KiB
Bash
386 lines
13 KiB
Bash
#!/bin/sh
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#
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# vim: set ts=4 sw=4 et:
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#
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#-
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# Copyright (c) 2009-2015 Juan Romero Pardines.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#-
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trap "error_out $LINENO $?" INT TERM 0
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readonly REQUIRED_PKGS="base-files libgcc dash coreutils sed tar gawk syslinux grub-x86_64-efi squashfs-tools xorriso"
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readonly INITRAMFS_PKGS="binutils xz device-mapper"
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readonly PROGNAME=$(basename $0)
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info_msg() {
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printf "\033[1m$@\n\033[m"
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}
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die() {
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info_msg "ERROR: $@"
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error_out 1
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}
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mount_pseudofs() {
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for f in sys dev proc; do
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mkdir -p $ROOTFS/$f
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mount --bind /$f $ROOTFS/$f
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done
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}
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umount_pseudofs() {
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umount -f $ROOTFS/sys >/dev/null 2>&1
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umount -f $ROOTFS/dev >/dev/null 2>&1
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umount -f $ROOTFS/proc >/dev/null 2>&1
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}
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error_out() {
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umount_pseudofs
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[ -d "$BUILDDIR" -a -z "$KEEP_BUILDDIR" ] && rm -rf "$BUILDDIR"
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exit ${1:=0}
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}
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usage() {
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cat <<_EOF
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Usage: $PROGNAME [options]
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Options:
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-a <xbps-arch> Set XBPS_ARCH (do not use it unless you know what it is)
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-b <system-pkg> Set an alternative base-system package (defaults to base-system).
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-r <repo-url> Use this XBPS repository (may be specified multiple times).
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-c <cachedir> Use this XBPS cache directory (/var/cache/xbps if unset).
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-k <keymap> Default keymap to use (us if unset)
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-l <locale> Default locale to use (en_US.UTF-8 if unset).
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-i <lz4|gzip|bzip2|xz> Compression type for the initramfs image (lz4 if unset).
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-s <gzip|bzip2|xz> Compression type for the squashfs image (xz if unset)
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-S <freesize> Allocate this free size (MB) for the rootfs.
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-o <file> Output file name for the ISO image (auto if unset).
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-p "pkg pkgN ..." Install additional packages into the ISO image.
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-C "cmdline args" Add additional kernel command line arguments.
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-T "title" Modify the bootloader title.
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-K Do not remove builddir.
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The $PROGNAME script generates a live image of the Void Linux distribution.
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This ISO image can be written to a CD/DVD-ROM or any USB stick.
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_EOF
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exit 1
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}
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copy_void_keys() {
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mkdir -p "$1"/var/db/xbps/keys
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cp keys/*.plist "$1"/var/db/xbps/keys
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}
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copy_void_conf() {
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install -Dm644 data/void-vpkgs.conf "$1"/usr/share/xbps.d/void-virtualpkgs.conf
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}
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copy_dracut_files() {
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mkdir -p $1/usr/lib/dracut/modules.d/01vmklive
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cp dracut/* $1/usr/lib/dracut/modules.d/01vmklive/
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}
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install_prereqs() {
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copy_void_conf $VOIDHOSTDIR
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$XBPS_INSTALL_CMD -r $VOIDHOSTDIR $XBPS_REPOSITORY \
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$XBPS_HOST_CACHEDIR -y ${REQUIRED_PKGS}
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[ $? -ne 0 ] && die "Failed to install required software, exiting..."
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}
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install_packages() {
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copy_void_conf $ROOTFS
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XBPS_ARCH=$BASE_ARCH ${XBPS_INSTALL_CMD} -r $ROOTFS \
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$XBPS_REPOSITORY $XBPS_CACHEDIR -yn ${PACKAGE_LIST} ${INITRAMFS_PKGS}
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[ $? -ne 0 ] && die "Missing required binary packages, exiting..."
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mount_pseudofs
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LANG=C XBPS_ARCH=$BASE_ARCH ${XBPS_INSTALL_CMD} -U -r $ROOTFS \
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$XBPS_REPOSITORY $XBPS_CACHEDIR -y ${PACKAGE_LIST} ${INITRAMFS_PKGS}
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[ $? -ne 0 ] && die "Failed to install $PACKAGE_LIST"
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xbps-reconfigure -r $ROOTFS -f base-files >/dev/null 2>&1
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chroot $ROOTFS env -i xbps-reconfigure -f base-files
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# Enable choosen UTF-8 locale and generate it into the target rootfs.
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if [ -f $ROOTFS/etc/default/libc-locales ]; then
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sed -e "s/\#\(${LOCALE}.*\)/\1/g" -i $ROOTFS/etc/default/libc-locales
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fi
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chroot $ROOTFS env -i xbps-reconfigure -a
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if [ -x installer.sh ]; then
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install -Dm755 installer.sh $ROOTFS/usr/sbin/void-installer
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else
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install -Dm755 /usr/sbin/void-installer $ROOTFS/usr/sbin/void-installer
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fi
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# Cleanup and remove useless stuff.
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rm -rf $ROOTFS/var/cache/* $ROOTFS/run/* $ROOTFS/var/run/*
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}
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generate_initramfs() {
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local _args
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copy_dracut_files $ROOTFS
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if [ "$BASE_SYSTEM_PKG" = "base-system-systemd" ]; then
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_args="--add systemd"
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else
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_args="--omit systemd"
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fi
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chroot $ROOTFS env -i /usr/bin/dracut -N --${INITRAMFS_COMPRESSION} \
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--add-drivers "ahci" --force-add "vmklive" ${_args} "/boot/initrd" $KERNELVERSION
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[ $? -ne 0 ] && die "Failed to generate the initramfs"
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mv $ROOTFS/boot/initrd $BOOT_DIR
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cp $ROOTFS/boot/vmlinuz-$KERNELVERSION $BOOT_DIR/vmlinuz
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}
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cleanup_rootfs() {
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for f in ${INITRAMFS_PKGS}; do
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revdeps=$(xbps-query -r $ROOTFS -X $f)
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if [ -n "$revdeps" ]; then
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xbps-pkgdb -r $ROOTFS -m auto $f
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else
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xbps-remove -r $ROOTFS -Ry ${f} >/dev/null 2>&1
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fi
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done
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rm -r $ROOTFS/usr/lib/dracut/modules.d/01vmklive
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}
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generate_isolinux_boot() {
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cp -f $SYSLINUX_DATADIR/isolinux.bin "$ISOLINUX_DIR"
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cp -f $SYSLINUX_DATADIR/ldlinux.c32 "$ISOLINUX_DIR"
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cp -f $SYSLINUX_DATADIR/libcom32.c32 "$ISOLINUX_DIR"
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cp -f $SYSLINUX_DATADIR/vesamenu.c32 "$ISOLINUX_DIR"
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cp -f $SYSLINUX_DATADIR/libutil.c32 "$ISOLINUX_DIR"
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cp -f $SYSLINUX_DATADIR/chain.c32 "$ISOLINUX_DIR"
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cp -f isolinux/isolinux.cfg.in "$ISOLINUX_DIR"/isolinux.cfg
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cp -f ${SPLASH_IMAGE} "$ISOLINUX_DIR"
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sed -i -e "s|@@SPLASHIMAGE@@|$(basename ${SPLASH_IMAGE})|" \
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-e "s|@@KERNVER@@|${KERNELVERSION}|" \
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-e "s|@@KEYMAP@@|${KEYMAP}|" \
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-e "s|@@ARCH@@|$BASE_ARCH|" \
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-e "s|@@LOCALE@@|${LOCALE}|" \
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-e "s|@@BOOT_TITLE@@|${BOOT_TITLE}|" \
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-e "s|@@BOOT_CMDLINE@@|${BOOT_CMDLINE}|" \
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$ISOLINUX_DIR/isolinux.cfg
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}
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generate_grub_efi_boot() {
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cp -f grub/grub.cfg $GRUB_DIR
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cp -f grub/grub_void.cfg.in $GRUB_DIR/grub_void.cfg
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sed -i -e "s|@@SPLASHIMAGE@@|$(basename ${SPLASH_IMAGE})|" \
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-e "s|@@KERNVER@@|${KERNELVERSION}|" \
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-e "s|@@KEYMAP@@|${KEYMAP}|" \
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-e "s|@@ARCH@@|$BASE_ARCH|" \
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-e "s|@@BOOT_TITLE@@|${BOOT_TITLE}|" \
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-e "s|@@BOOT_CMDLINE@@|${BOOT_CMDLINE}|" \
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-e "s|@@LOCALE@@|${LOCALE}|" $GRUB_DIR/grub_void.cfg
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mkdir -p $GRUB_DIR/fonts
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cp -f $GRUB_DATADIR/unicode.pf2 $GRUB_DIR/fonts
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modprobe -q loop || :
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# Create EFI vfat image.
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dd if=/dev/zero of=$GRUB_DIR/efiboot.img bs=1024 count=4096 >/dev/null 2>&1
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mkfs.vfat -F12 -S 512 -n "grub_uefi" "$GRUB_DIR/efiboot.img" >/dev/null 2>&1
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GRUB_EFI_TMPDIR="$(mktemp --tmpdir=$HOME -d)"
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LOOP_DEVICE="$(losetup --show --find ${GRUB_DIR}/efiboot.img)"
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mount -o rw,flush -t vfat "${LOOP_DEVICE}" "${GRUB_EFI_TMPDIR}" >/dev/null 2>&1
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cp -a $IMAGEDIR/boot $VOIDHOSTDIR
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xbps-uchroot $VOIDHOSTDIR grub-mkstandalone -- \
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--directory="/usr/lib/grub/x86_64-efi" \
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--format="x86_64-efi" \
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--compression="xz" --output="/tmp/bootx64.efi" \
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"boot/grub/grub.cfg"
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if [ $? -ne 0 ]; then
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umount "$GRUB_EFI_TMPDIR"
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losetup --detach "${LOOP_DEVICE}"
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die "Failed to generate EFI loader"
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fi
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mkdir -p ${GRUB_EFI_TMPDIR}/EFI/BOOT
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cp -f $VOIDHOSTDIR/tmp/bootx64.efi ${GRUB_EFI_TMPDIR}/EFI/BOOT/BOOTX64.EFI
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umount "$GRUB_EFI_TMPDIR"
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losetup --detach "${LOOP_DEVICE}"
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rm -rf $GRUB_EFI_TMPDIR
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}
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generate_squashfs() {
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umount_pseudofs
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# Find out required size for the rootfs and create an ext3fs image off it.
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ROOTFS_SIZE=$(du -sm "$ROOTFS"|awk '{print $1}')
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if [ -z "$ROOTFS_FREESIZE" ]; then
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ROOTFS_FREESIZE="$((ROOTFS_SIZE/6))"
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fi
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mkdir -p "$BUILDDIR/tmp/LiveOS"
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dd if=/dev/zero of="$BUILDDIR/tmp/LiveOS/ext3fs.img" \
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bs="$((ROOTFS_SIZE+ROOTFS_FREESIZE))M" count=1 >/dev/null 2>&1
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mkdir -p "$BUILDDIR/tmp-rootfs"
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mkfs.ext3 -F -m1 "$BUILDDIR/tmp/LiveOS/ext3fs.img" >/dev/null 2>&1
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mount -o loop "$BUILDDIR/tmp/LiveOS/ext3fs.img" "$BUILDDIR/tmp-rootfs"
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cp -a $ROOTFS/* $BUILDDIR/tmp-rootfs/
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umount -f "$BUILDDIR/tmp-rootfs"
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mkdir -p "$IMAGEDIR/LiveOS"
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$VOIDHOSTDIR/usr/bin/mksquashfs "$BUILDDIR/tmp" "$IMAGEDIR/LiveOS/squashfs.img" \
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-comp ${SQUASHFS_COMPRESSION} || die "Failed to generate squashfs image"
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chmod 444 "$IMAGEDIR/LiveOS/squashfs.img"
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# Remove rootfs and temporary dirs, we don't need them anymore.
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rm -rf "$ROOTFS" "$BUILDDIR/tmp-rootfs" "$BUILDDIR/tmp"
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}
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generate_iso_image() {
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$VOIDHOSTDIR/usr/bin/xorriso -as mkisofs \
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-iso-level 3 -rock -joliet \
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-max-iso9660-filenames -omit-period \
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-omit-version-number -relaxed-filenames -allow-lowercase \
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-volid "VOID_LIVE" \
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-eltorito-boot boot/isolinux/isolinux.bin \
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-eltorito-catalog boot/isolinux/boot.cat \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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-eltorito-alt-boot -e boot/grub/efiboot.img -isohybrid-gpt-basdat -no-emul-boot \
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-isohybrid-mbr $SYSLINUX_DATADIR/isohdpfx.bin \
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-output "$CURDIR/$OUTPUT_FILE" "$IMAGEDIR" || die "Failed to generate ISO image"
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}
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XBPS_REPOSITORY=
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#
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# main()
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#
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while getopts "a:b:r:c:C:T:Kk:l:i:s:S:o:p:h" opt; do
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case $opt in
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a) BASE_ARCH="$OPTARG";;
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b) BASE_SYSTEM_PKG="$OPTARG";;
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r) XBPS_REPOSITORY="$XBPS_REPOSITORY --repository=$OPTARG ";;
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c) XBPS_CACHEDIR="--cachedir=$OPTARG";;
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K) readonly KEEP_BUILDDIR=1;;
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k) KEYMAP="$OPTARG";;
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l) LOCALE="$OPTARG";;
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i) INITRAMFS_COMPRESSION="$OPTARG";;
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s) SQUASHFS_COMPRESSION="$OPTARG";;
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S) ROOTFS_FREESIZE="$OPTARG";;
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o) OUTPUT_FILE="$OPTARG";;
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p) PACKAGE_LIST="$OPTARG";;
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C) BOOT_CMDLINE="$OPTARG";;
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T) BOOT_TITLE="$OPTARG";;
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h) usage;;
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esac
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done
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shift $((OPTIND - 1))
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ARCH=$(uname -m)
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# Set defaults
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: ${BASE_ARCH:=$(uname -m)}
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: ${XBPS_CACHEDIR:=-c $(pwd -P)/xbps-cachedir-${BASE_ARCH}}
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: ${XBPS_HOST_CACHEDIR:=-c $(pwd -P)/xbps-cachedir-${ARCH}}
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: ${KEYMAP:=us}
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: ${LOCALE:=en_US.UTF-8}
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: ${INITRAMFS_COMPRESSION:=xz}
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: ${SQUASHFS_COMPRESSION:=xz}
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: ${BASE_SYSTEM_PKG:=base-system}
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: ${BOOT_TITLE:="Void Linux"}
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# Required packages in the image for a working system.
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PACKAGE_LIST="$BASE_SYSTEM_PKG $PACKAGE_LIST"
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# Check for root permissions.
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if [ "$(id -u)" -ne 0 ]; then
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die "Must be run as root, exiting..."
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fi
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readonly CURDIR="$PWD"
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ISO_VOLUME="VOID_LIVE"
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if [ -n "$ROOTDIR" ]; then
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BUILDDIR=$(mktemp --tmpdir="$ROOTDIR" -d)
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else
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BUILDDIR=$(mktemp --tmpdir="$(pwd -P)" -d)
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fi
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BUILDDIR=$(readlink -f $BUILDDIR)
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IMAGEDIR="$BUILDDIR/image"
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ROOTFS="$IMAGEDIR/rootfs"
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VOIDHOSTDIR="$BUILDDIR/void-host"
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BOOT_DIR="$IMAGEDIR/boot"
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ISOLINUX_DIR="$BOOT_DIR/isolinux"
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GRUB_DIR="$BOOT_DIR/grub"
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ISOLINUX_CFG="$ISOLINUX_DIR/isolinux.cfg"
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: ${XBPS_REPOSITORY:=--repository=http://repo.voidlinux.eu/current --repository=http://muslrepo.voidlinux.eu/current}
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: ${SYSLINUX_DATADIR:=$VOIDHOSTDIR/usr/share/syslinux}
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: ${GRUB_DATADIR:=$VOIDHOSTDIR/usr/share/grub}
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: ${SPLASH_IMAGE:=data/splash.png}
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: ${XBPS_INSTALL_CMD:=xbps-install}
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: ${XBPS_REMOVE_CMD:=xbps-remove}
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: ${XBPS_QUERY_CMD:=xbps-query}
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: ${XBPS_RINDEX_CMD:=xbps-rindex}
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: ${XBPS_UHELPER_CMD:=xbps-uhelper}
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: ${XBPS_RECONFIGURE_CMD:=xbps-reconfigure}
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mkdir -p $ROOTFS $VOIDHOSTDIR $ISOLINUX_DIR $GRUB_DIR
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info_msg "[1/8] Synchronizing XBPS repository data..."
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copy_void_keys $ROOTFS
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copy_void_keys $VOIDHOSTDIR
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XBPS_ARCH=$BASE_ARCH $XBPS_INSTALL_CMD -r $ROOTFS ${XBPS_REPOSITORY} -S
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$XBPS_INSTALL_CMD -r $VOIDHOSTDIR $XBPS_REPOSITORY -S
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_linux_series=$(XBPS_ARCH=$BASE_ARCH $XBPS_QUERY_CMD -r $ROOTFS ${XBPS_REPOSITORY:=-R} -x linux)
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KERNELVERSION=$(XBPS_ARCH=$BASE_ARCH $XBPS_QUERY_CMD -r $ROOTFS ${XBPS_REPOSITORY:=-R} -p pkgver ${_linux_series})
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KERNELVERSION=$($XBPS_UHELPER_CMD getpkgversion $KERNELVERSION)
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: ${OUTPUT_FILE="void-live-${BASE_ARCH}-${KERNELVERSION}-$(date +%Y%m%d).iso"}
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info_msg "[2/9] Installing software to generate the image: ${REQUIRED_PKGS} ..."
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install_prereqs
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mkdir -p "$ROOTFS"/etc
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[ -s data/motd ] && cp data/motd $ROOTFS/etc
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[ -s data/issue ] && cp data/issue $ROOTFS/etc
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info_msg "[3/9] Installing void pkgs into the rootfs: ${PACKAGE_LIST} ..."
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install_packages
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info_msg "[4/9] Generating initramfs image ($INITRAMFS_COMPRESSION)..."
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generate_initramfs
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info_msg "[5/9] Generating isolinux support for PC-BIOS systems..."
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generate_isolinux_boot
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info_msg "[6/9] Generating GRUB support for EFI systems..."
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generate_grub_efi_boot
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info_msg "[7/9] Cleaning up rootfs..."
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cleanup_rootfs
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info_msg "[8/9] Generating squashfs image ($SQUASHFS_COMPRESSION) from rootfs..."
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generate_squashfs
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info_msg "[9/9] Generating ISO image..."
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generate_iso_image
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hsize=$(du -sh "$CURDIR/$OUTPUT_FILE"|awk '{print $1}')
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info_msg "Created $(readlink -f $CURDIR/$OUTPUT_FILE) ($hsize) successfully."
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