void-packages/srcpkgs/xbps-mklive/files/xbps-mklive.sh

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#!/bin/sh
trap "echo; error_out $?" INT QUIT
[ "$(id -u)" -ne 0 ] && echo "root perms are required." && exit 1
ISOLINUX_ARGS="-b isolinux/isolinux.bin -c isolinux/boot.cat"
ISOLINUX_ARGS="$ISOLINUX_ARGS -boot-load-size 4 -no-emul-boot"
ISOLINUX_ARGS="$ISOLINUX_ARGS -boot-info-table"
CONFIG_FILE="$HOME/.xbps-mklive.conf"
#
# The following vars are overwritten by the config file.
#
PACKAGE_REPO="/storage/xbps/packages"
OUTPUT_FILE="$HOME/xbps-live-$(uname -m).iso"
ISO_VOLUME="XBPS GNU/Linux Live"
SYSLINUX_DATADIR="/usr/share/syslinux"
SPLASH_IMAGE=$HOME/splash.rle
if [ -f $CONFIG_FILE ]; then
. $CONFIG_FILE
fi
if [ -z "$PACKAGE_LIST" ]; then
PACKAGE_LIST="xbps-base-system xbps-casper"
else
PACKAGE_LIST="xbps-base-system xbps-casper $PACKAGE_LIST"
fi
BUILD_TMPDIR=$(mktemp --tmpdir="$(pwd)" -d) || exit 1
BUILD_TMPDIR=$(readlink -f $BUILD_TMPDIR)
TEMP_ROOTFS="$BUILD_TMPDIR/casper/rootfs"
ISOLINUX_DIR="$BUILD_TMPDIR/isolinux"
info_msg()
{
printf "\033[1m$@\n\033[m"
}
error_out()
{
[ -d $TEMP_ROOTFS/sys ] && umount -f $TEMP_ROOTFS/sys 2>&1 >/dev/null
[ -d $TEMP_ROOTFS/proc ] && umount -f $TEMP_ROOTFS/proc 2>&1 >/dev/null
[ -d $TEMP_ROOTFS/dev ] && umount -f $TEMP_ROOTFS/dev 2>&1 >/dev/null
[ "$1" -ne 0 ] && echo "ERROR: stage mentioned above returned $1!"
info_msg "Cleaning up $BUILD_TMPDIR..."
rm -rf $BUILD_TMPDIR
exit 1
}
write_etc_motd()
{
cat >> "$TEMP_ROOTFS/etc/motd" <<_EOF
Welcome to the XBPS GNU/Linux Live system, you have been autologged in.
This user has full sudo(8) permissions without any password, be careful
executing commands through sudo(8).
To play with package management use the xbps-bin(8) and xbps-repo(8)
utilities. Please visit:
http://xbps.nopcode.org/
For more information and/or documentation about using the X Binary
Package System. Enjoy it.
Juan RP <xtraeme@gmail.com>
_EOF
}
write_default_isolinux_conf()
{
local kver="$1"
cat >> "$ISOLINUX_DIR/isolinux.cfg" << _EOF
DEFAULT vesamenu.c32
PROMPT 0
TIMEOUT 600
ONTIMEOUT c
MENU BACKGROUND $(basename $SPLASH_IMAGE)
MENU VSHIFT 5
MENU ROWS 20
MENU TABMSGROW 10
MENU TABMSG Press ENTER to boot or TAB to edit a menu entry
MENU AUTOBOOT BIOS default device boot in # second{,s}...
MENU TIMEOUTROW 12
MENU COLOR title * #FF5255FF *
MENU COLOR border * #00000000 #00000000 none
MENU COLOR sel * #ffffffff #FF5255FF *
LABEL linux
MENU LABEL Boot XBPS GNU/Linux ${kver}
KERNEL /casper/vmlinuz
INITRD /casper/initrd.gz
APPEND boot=casper keymap=es locale=es_ES
LABEL linuxtoram
MENU LABEL Boot XBPS GNU/Linux ${kver} (toram)
KERNEL /casper/vmlinuz
INITRD /casper/initrd.gz
APPEND boot=casper toram keymap=es locale=es_ES
LABEL c
MENU LABEL Boot first HD found by the BIOS
LOCALBOOT 0x80
_EOF
}
[ -z "$PACKAGE_LIST" ] && error_out
[ -z "$OUTPUT_FILE" ] && error_out
[ -z "$ISO_VOLUME" ] && error_out
[ -z "$PACKAGE_REPO" ] && error_out
[ ! -d "$TEMP_ROOTFS/var/db/xbps" ] && mkdir -p "$TEMP_ROOTFS/var/db/xbps"
for _repo_ in ${PACKAGE_REPO}; do
info_msg "Adding ${_repo_} package repository..."
xbps-repo.static -r $TEMP_ROOTFS add ${_repo_}
[ $? -ne 0 ] && error_out $?
done
if [ ! -f $SYSLINUX_DATADIR/isolinux.bin -o \
! -f $SYSLINUX_DATADIR/vesamenu.c32 ]; then
echo "Missing required isolinux files in $SYSLINUX_DATADIR!"
error_out
fi
[ ! -d "$ISOLINUX_DIR" ] && mkdir -p "$ISOLINUX_DIR"
if [ ! -f "$ISOLINUX_DIR/isolinux.bin" ]; then
cp -f $SYSLINUX_DATADIR/isolinux.bin "$ISOLINUX_DIR"
fi
if [ ! -f "$ISOLINUX_DIR/isolinux.cfg" ]; then
kernel_ver=$(xbps-repo.static -r $TEMP_ROOTFS show kernel|grep Version|awk '{print $2}')
if [ -z "$kernel_ver" ]; then
echo "Missing 'kernel' pkg in repository pool (xbps-repo)!"
error_out
fi
write_default_isolinux_conf ${kernel_ver}
fi
[ ! -f "$SPLASH_IMAGE" ] && echo "Cannot find splash image!" && error_out 1
cp -f $SPLASH_IMAGE "$ISOLINUX_DIR"
if [ ! -f "$ISOLINUX_DIR/vesamenu.c32" ]; then
cp -f $SYSLINUX_DATADIR/vesamenu.c32 "$ISOLINUX_DIR"
fi
xbps_relver=$(xbps-bin.static -V)
xbps-uhelper.static cmpver ${xbps_relver} 20091222
if [ $? -eq 255 ]; then
yesflag="-f"
for _pkg_ in ${PACKAGE_LIST}; do
info_msg "Installing ${_pkg_} package..."
xbps-bin.static -r $TEMP_ROOTFS ${yesflag} install ${_pkg_}
[ $? -ne 0 ] && error_out $?
done
else
yesflag="-y"
xbps-bin.static -r $TEMP_ROOTFS ${yesflag} install ${PACKAGE_LIST}
[ $? -ne 0 ] && error_out $?
fi
xbps-bin.static -r $TEMP_ROOTFS ${yesflag} autoupdate || error_out $?
xbps-bin.static -r $TEMP_ROOTFS ${yesflag} autoremove || error_out $?
xbps-bin.static -r $TEMP_ROOTFS ${yesflag} purge all || error_out $?
xbps-bin.static -r $TEMP_ROOTFS list > $BUILD_TMPDIR/packages.txt
info_msg "Creating /etc/motd..."
write_etc_motd
info_msg "Rebuilding and copying initramfs..."
# Set lzma compression for the initramfs, to save space.
sed -i -e "s|COMPRESSION_TYPE=gzip|COMPRESSION_TYPE=lzma|" \
$TEMP_ROOTFS/etc/initramfs-tools/initramfs.conf
xbps-bin -r $TEMP_ROOTFS -f reconfigure kernel
[ $? -ne 0 ] && error_out $?
cp -f "$TEMP_ROOTFS/boot/initrd.img-${kernel_ver}" \
"$BUILD_TMPDIR/casper/initrd.gz" || error_out $?
mkdir -p $TEMP_ROOTFS/cow
info_msg "Copying kernel binary..."
cp -f "$TEMP_ROOTFS/boot/vmlinuz-${kernel_ver}" \
"$BUILD_TMPDIR/casper/vmlinuz" || error_out $?
info_msg "Cleaning up rootfs..."
rm -f $TEMP_ROOTFS/boot/initrd*
rm -f $TEMP_ROOTFS/boot/vmlinuz*
info_msg "Building squashed root filesystem..."
mksquashfs "$TEMP_ROOTFS" "$BUILD_TMPDIR/casper/filesystem.squashfs" \
-root-becomes / && \
chmod 444 "$BUILD_TMPDIR/casper/filesystem.squashfs"
[ $? -ne 0 ] && error_out $?
info_msg "Removing temporary rootfs directory..."
rm -rf "$TEMP_ROOTFS" || error_out $?
info_msg "Creating sha256 checksums..."
cd $BUILD_TMPDIR
for f in $(find . -type f -print); do
[ "$f" = "./sha256.txt" ] && continue
printf "${f#.}\t$(xbps-uhelper.static digest $f)\n" \
>> $BUILD_TMPDIR/sha256.txt
done
info_msg "Building ISO image..."
mkisofs -J -r -V "$ISO_VOLUME" -b isolinux/isolinux.bin \
-c isolinux/boot.cat -no-emul-boot -boot-load-size 4 \
-boot-info-table -o "$OUTPUT_FILE" "$BUILD_TMPDIR"
[ $? -ne 0 ] && error_out $?
info_msg "Removing temporary build directory..."
rm -rf "$BUILD_TMPDIR" || error_out $?
info_msg "Created $(readlink -f $OUTPUT_FILE) successfully."
exit 0