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#!/bin/sh
#-
# Copyright (c) 2013-2015 Juan Romero Pardines.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#-
readonly PROGNAME=$(basename $0)
readonly ARCH=$(uname -m)
trap 'die "Interrupted! exiting..."' INT TERM HUP
info_msg() {
printf "\033[1m$@\n\033[m"
}
die() {
echo "FATAL: $@"
umount_pseudofs
[ -d "$rootfs" ] && rm -rf $rootfs
exit 1
}
usage() {
cat <<_EOF
Usage: $PROGNAME [options] <platform>
Supported platforms: i686, i686-musl, x86_64, x86_64-musl,
bananapi, beaglebone, cubieboard2, odroid-u2,
rpi, rpi2 (armv7)
Options
-b <syspkg> Set an alternative base-system package (defaults to base-system)
-c <dir> Set XBPS cache directory (defaults to /var/cache/xbps)
-C <file> Full path to the XBPS configuration file
-h Show this help
-p <pkgs> Additional packages to install into the rootfs (separated by blanks)
-r <repo> Set XBPS repository (may be set multiple times)
-V Show version
_EOF
}
mount_pseudofs() {
for f in dev proc sys; do
[ ! -d $rootfs/$f ] && mkdir -p $rootfs/$f
mount -r --bind /$f $rootfs/$f
done
}
umount_pseudofs() {
for f in dev proc sys; do
umount -f $rootfs/$f >/dev/null 2>&1
done
}
run_cmd_target() {
info_msg "Running $@ for target $_ARCH ..."
eval XBPS_TARGET_ARCH=${_ARCH} "$@"
[ $? -ne 0 ] && die "Failed to run $@"
}
run_cmd() {
info_msg "Running $@ ..."
eval "$@"
[ $? -ne 0 ] && die "Failed to run $@"
}
register_binfmt() {
if [ "$ARCH" = "${_ARCH}" ]; then
return 0
fi
mountpoint -q /proc/sys/fs/binfmt_misc || modprobe -q binfmt_misc; mount -t binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc
case "${_ARCH}" in
armv?l)
echo ':arm:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-arm-static:' > /proc/sys/fs/binfmt_misc/register
cp -f $(which qemu-arm-static) $rootfs/usr/bin || die "failed to copy qemu-arm-static to the rootfs"
;;
*)
die "Unknown target architecture!"
;;
esac
}
: ${XBPS_REPOSITORY:=--repository=http://repo.voidlinux.eu/current}
: ${XBPS_CACHEDIR:=--cachedir=/var/cache/xbps}
: ${PKGBASE:=base-system}
#
# main()
#
while getopts "b:C:c:hp:r:V" opt; do
case $opt in
b) PKGBASE="$OPTARG";;
C) XBPS_CONFFILE="-C $OPTARG";;
c) XBPS_CACHEDIR="--cachedir=$OPTARG";;
h) usage; exit 0;;
p) EXTRA_PKGS="$OPTARG";;
r) XBPS_REPOSITORY="--repository=$OPTARG $XBPS_REPOSITORY";;
V) echo "$PROGNAME @@MKLIVE_VERSION@@"; exit 0;;
esac
done
shift $(($OPTIND - 1))
PLATFORM="$1"
SUBPLATFORM=$PLATFORM
if [ -z "$PLATFORM" ]; then
echo "$PROGNAME: platform was not set!"
usage; exit 1
fi
case "$PLATFORM" in
bananapi) _ARCH="armv7l"; QEMU_BIN=qemu-arm-static;;
beaglebone) _ARCH="armv7l"; QEMU_BIN=qemu-arm-static;;
cubieboard2) _ARCH="armv7l"; QEMU_BIN=qemu-arm-static;;
i686) _ARCH="i686"; QEMU_BIN=qemu-i386-static;;
i686-musl) _ARCH="i686-musl"; QEMU_BIN=qemu-i386-static;;
odroid-u2) _ARCH="armv7l"; QEMU_BIN=qemu-arm-static;;
rpi) _ARCH="armv6l"; QEMU_BIN=qemu-arm-static;;
rpi2) SUBPLATFORM="rpi"; _ARCH="armv7l"; QEMU_BIN=qemu-arm-static;;
x86_64) _ARCH="x86_64"; QEMU_BIN=qemu-x86_64-static;;
x86_64-musl) _ARCH="x86_64-musl"; QEMU_BIN=qemu-x86_64-static;;
*) die "$PROGNAME: invalid platform!";;
esac
if [ "$(id -u)" -ne 0 ]; then
die "need root perms to continue, exiting."
fi
#
# Check for required binaries.
#
for f in chroot tar xbps-install xbps-reconfigure xbps-query; do
if ! $f --version >/dev/null 2>&1; then
die "$f binary is missing in your system, exiting."
fi
done
if ! $QEMU_BIN -version >/dev/null 2>&1; then
die "$QEMU_BIN binary is missing in your system, exiting."
fi
if type pixz >/dev/null 2>&1; then
XZ=pixz
else
XZ="xz -T0"
fi
#
# Check if package base-system is available.
#
rootfs=$(mktemp -d || die "FATAL: failed to create tempdir, exiting...")
mkdir -p $rootfs/var/db/xbps/keys
cp keys/*.plist $rootfs/var/db/xbps/keys
run_cmd_target "xbps-install -S $XBPS_CONFFILE $XBPS_CACHEDIR $XBPS_REPOSITORY -r $rootfs"
run_cmd_target "xbps-query -R -r $rootfs $XBPS_CONFFILE $XBPS_CACHEDIR $XBPS_REPOSITORY -ppkgver $PKGBASE"
chmod 755 $rootfs
case "$PLATFORM" in
i686*|x86_64*) PKGS="${PKGBASE} grub" ;;
*) PKGS="${PKGBASE} ${SUBPLATFORM}-base" ;;
esac
[ -n "$EXTRA_PKGS" ] && PKGS="${PKGS} ${EXTRA_PKGS}"
mount_pseudofs
#
# Install base-system to the rootfs directory.
#
run_cmd_target "xbps-install -S $XBPS_CONFFILE $XBPS_CACHEDIR $XBPS_REPOSITORY -r $rootfs -y ${PKGS}"
# Enable en_US.UTF-8 locale and generate it into the target rootfs.
LOCALE=en_US.UTF-8
sed -e "s/\#\(${LOCALE}.*\)/\1/g" -i $rootfs/etc/default/libc-locales
#
# Reconfigure packages for target architecture: must be reconfigured
# thru the qemu user mode binary.
#
if [ -n "${_ARCH}" ]; then
info_msg "Reconfiguring packages for ${_ARCH} ..."
case "$PLATFORM" in
i686*|x86_64*)
run_cmd "XBPS_ARCH=$_ARCH xbps-reconfigure -r $rootfs base-directories"
;;
*)
register_binfmt
run_cmd "xbps-reconfigure -r $rootfs base-directories"
rmdir $rootfs/usr/lib32
rm -f $rootfs/lib32 $rootfs/lib64 $rootfs/usr/lib64
;;
esac
run_cmd "chroot $rootfs xbps-reconfigure shadow"
if [ "$PKGBASE" = "base-system-systemd" ]; then
run_cmd "chroot $rootfs xbps-reconfigure systemd"
fi
run_cmd "chroot $rootfs xbps-reconfigure -a"
else
if [ "$PKGBASE" = "base-system-systemd" ]; then
run_cmd "chroot $rootfs xbps-reconfigure systemd"
fi
fi
#
# Setup default root password.
#
run_cmd "chroot $rootfs sh -c 'echo "root:voidlinux" | chpasswd -c SHA512'"
umount_pseudofs
#
# Cleanup rootfs.
#
rm -f $rootfs/etc/.pwd.lock 2>/dev/null
rm -rf $rootfs/var/cache/* 2>/dev/null
#
# Generate final tarball.
#
arch=$ARCH
if [ -n "${_ARCH}" ]; then
rm -f $rootfs/usr/bin/$QEMU_BIN
arch=${_ARCH}
fi
tarball=void-${PLATFORM}-rootfs-$(date '+%Y%m%d').tar.xz
run_cmd "tar -cp --posix -C $rootfs . | $XZ -9 > $tarball "
rm -rf $rootfs
info_msg "Successfully created $tarball ($PLATFORM)"
# vim: set ts=4 sw=4 et:
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