quiz-zfs

#!/usr/bin/env bash
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# Copyright (c) 2023-2025, Rob Norris <robn@despairlabs.com>

set -uo pipefail

usage() {
  cat <<EOF
build OpenZFS with options to work well with quiz
usage: quiz-zfs [opts] <configure|make> [program args...]

options:
  -k <kernel>     kernel to use for this run
  -a <arch>       architecture to build for
  -h              this help
EOF
  exit 1
}

trace() {
  local STAMP=$(date +%Y%m%d-%H:%M:%S)
  echo "[quiz-zfs] $STAMP $@" >&2
}

fail() {
  local TEXT=${@:-}
  if [[ -z $TEXT ]] ; then
    TEXT="[${BASH_SOURCE[0]}:${BASH_LINENO[0]}: $BASH_COMMAND]"
  fi
  trace "FATAL $TEXT"
  exit 1
}
trap fail ERR

RUNDIR=$(realpath $(dirname $0))
source $RUNDIR/quiz-config
source $RUNDIR/quiz-lib

opt_arch=""
opt_kernel=""

# take the default kernel version from the last configured version
if [[ -f config.log ]] ; then
  opt_kernel=$( ( grep ^LINUX_VERSION= config.log || true ) | cut -f2 -d"'" )
fi

OPTIND=1
while getopts "a:k:h" opt
do
  case "$opt" in
    'a') opt_arch=$OPTARG ;;
    'k') opt_kernel=$OPTARG ;;
    'h') usage ;;
    *) exit 1 ;;
  esac
done
shift $(expr $OPTIND - 1)

if [[ $# -lt 1 ]] ; then
  usage
fi

quiz_arch_vars ${opt_arch:-$QUIZ_ARCH}
quiz_kernel_best_available ${opt_kernel:-$QUIZ_KERNEL_VERSION}

do_configure() {
  local cross_opts=""
  if [[ -z $_quiz_arch_native ]] ; then
    cross_opts="
      --host=$_quiz_arch_prefix
      KERNEL_CROSS_COMPILE=${_quiz_arch_prefix}-
      KERNEL_ARCH=$_quiz_arch_kernel
    "
  fi

  # XXX bunch of this needs to go into configure proper, disabling contrib
  #     and whatnot. installing to /opt/zfs would be preferable, but
  #     zts-tests.sh is hardcoded to /usr for now -- robn, 2025-01-13
  $QUIZ_BUILD_CMD_PREFIX ./configure \
    --config-cache \
    --with-linux=$RUNDIR/system/kernel/$_quiz_arch_kernel/kbuild/$_quiz_kver \
    --prefix=/usr/local \
    --disable-sysvinit \
    --disable-systemd \
    --disable-pam \
    --disable-pyzfs \
    --with-mounthelperdir=/usr/local/sbin \
    --with-dracutdir=/usr/local/lib/dracut \
    --with-udevdir=/usr/local/lib/udev \
    $cross_opts \
    "lt_cv_sys_lib_dlsearch_path_spec=/lib /usr/lib /usr/lib/$_quiz_arch_prefix" \
    "$@"
}

do_make() {
  $QUIZ_BUILD_CMD_PREFIX make "$@"
}

do_make_install() {
  # merged /usr setup
  for d in lib lib32 lib64 bin sbin ; do
    mkdir -p $RUNDIR/system/work/usr/$d
    ln -sf usr/$d $RUNDIR/system/work/$d
  done

  kdest=$RUNDIR/system/kernel/$_quiz_arch_kernel
  $QUIZ_BUILD_CMD_PREFIX make install \
    INSTALL_MOD_PATH=$kdest \
    DESTDIR=$RUNDIR/system/work \
    "$@"
  $QUIZ_BUILD_CMD_PREFIX /sbin/depmod -A -b $kdest $_quiz_kver
}

case "$1" in
  configure)
    do_configure "${@:2}"
    ;;
  make)
    if [[ $# -ge 2 && $2 == install ]] ; then
      do_make_install "${@:3}"
    else
      do_make "${@:2}"
    fi
    ;;
  *)
    usage
    ;;
esac

# vim: ft=bash