release/release.sh

   1 #!/bin/sh
   2 #-
   3 # Copyright (c) 2020 Rubicon Communications, LLC (netgate.com)
   4 # Copyright (c) 2013-2019 The FreeBSD Foundation
   5 # Copyright (c) 2013 Glen Barber
   6 # Copyright (c) 2011 Nathan Whitehorn
   7 # All rights reserved.
   8 #
   9 # Portions of this software were developed by Glen Barber
  10 # under sponsorship from the FreeBSD Foundation.
  11 #
  12 # Redistribution and use in source and binary forms, with or without
  13 # modification, are permitted provided that the following conditions
  14 # are met:
  15 # 1. Redistributions of source code must retain the above copyright
  16 #    notice, this list of conditions and the following disclaimer.
  17 # 2. Redistributions in binary form must reproduce the above copyright
  18 #    notice, this list of conditions and the following disclaimer in the
  19 #    documentation and/or other materials provided with the distribution.
  20 #
  21 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  22 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  25 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31 # SUCH DAMAGE.
  32 #
  33 # release.sh: check out source trees, and build release components with
  34 #  totally clean, fresh trees.
  35 # Based on release/generate-release.sh written by Nathan Whitehorn
  36 #
  37 # $FreeBSD$
  38 #
  39
  40 export PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin"
  41
  42 VERSION=3
  43
  44 # Prototypes that can be redefined per-chroot or per-target.
  45 load_chroot_env() { }
  46 load_target_env() { }
  47 buildenv_setup() { }
  48
  49 usage() {
  50         echo "Usage: $0 [-c release.conf]"
  51         exit 1
  52 }
  53
  54 # env_setup(): Set up the default build environment variables, such as the
  55 # CHROOTDIR, VCSCMD, GITROOT, etc.  This is called before the release.conf
  56 # file is sourced, if '-c <release.conf>' is specified.
  57 env_setup() {
  58         # The directory within which the release will be built.
  59         CHROOTDIR="/scratch"
  60         RELENGDIR="$(dirname $(realpath ${0}))"
  61
  62         # The default version control system command to obtain the sources.
  63         for _dir in /usr/bin /usr/local/bin; do
  64                 [ -x "${_dir}/git" ] && VCSCMD="/${_dir}/git"
  65                 [ ! -z "${VCSCMD}" ] && break 2
  66         done
  67
  68         if [ -z "${VCSCMD}" ]; then
  69                 echo "*** The devel/git port/package is required."
  70                 exit 1
  71         fi
  72         VCSCMD="/usr/local/bin/git clone -q"
  73
  74         # The default git checkout server, and branches for src/, doc/,
  75         # and ports/.
  76         GITROOT="https://cgit-beta.FreeBSD.org/"
  77         SRCBRANCH="main"
  78         DOCBRANCH="main"
  79         PORTBRANCH="main"
  80         GITSRC="src.git"
  81         GITPORTS="ports.git"
  82         GITDOC="doc.git"
  83
  84         # Set for embedded device builds.
  85         EMBEDDEDBUILD=
  86
  87         # The default make.conf and src.conf to use.  Set to /dev/null
  88         # by default to avoid polluting the chroot(8) environment with
  89         # non-default settings.
  90         MAKE_CONF="/dev/null"
  91         SRC_CONF="/dev/null"
  92
  93         # The number of make(1) jobs, defaults to the number of CPUs available
  94         # for buildworld, and half of number of CPUs available for buildkernel.
  95         WORLD_FLAGS="-j$(sysctl -n hw.ncpu)"
  96         KERNEL_FLAGS="-j$(( $(( $(sysctl -n hw.ncpu) + 1 )) / 2))"
  97
  98         MAKE_FLAGS="-s"
  99
 100         # The name of the kernel to build, defaults to GENERIC.
 101         KERNEL="GENERIC"
 102
 103         # Set to non-empty value to disable checkout of doc/ and/or ports/.
 104         # Disabling ports/ checkout also forces NODOC to be set.
 105         NODOC=
 106         NOPORTS=
 107
 108         # Set to non-empty value to disable distributing source tree.
 109         NOSRC=
 110
 111         # Set to non-empty value to build dvd1.iso as part of the release.
 112         WITH_DVD=
 113         WITH_COMPRESSED_IMAGES=
 114
 115         # Set to non-empty value to build virtual machine images as part of
 116         # the release.
 117         WITH_VMIMAGES=
 118         WITH_COMPRESSED_VMIMAGES=
 119         XZ_THREADS=0
 120
 121         # Set to non-empty value to build virtual machine images for various
 122         # cloud providers as part of the release.
 123         WITH_CLOUDWARE=
 124
 125         return 0
 126 } # env_setup()
 127
 128 # env_check(): Perform sanity tests on the build environment, such as ensuring
 129 # files/directories exist, as well as adding backwards-compatibility hacks if
 130 # necessary.  This is called unconditionally, and overrides the defaults set
 131 # in env_setup() if '-c <release.conf>' is specified.
 132 env_check() {
 133         chroot_build_release_cmd="chroot_build_release"
 134
 135         # Prefix the branches with the GITROOT for the full checkout URL.
 136         SRC="${GITROOT}${GITSRC}"
 137         DOC="${GITROOT}${GITDOC}"
 138         PORT="${GITROOT}${GITPORTS}"
 139
 140         if [ -n "${EMBEDDEDBUILD}" ]; then
 141                 WITH_DVD=
 142                 WITH_COMPRESSED_IMAGES=
 143                 NODOC=yes
 144                 case ${EMBEDDED_TARGET}:${EMBEDDED_TARGET_ARCH} in
 145                         arm:arm*|arm64:aarch64)
 146                                 chroot_build_release_cmd="chroot_arm_build_release"
 147                                 ;;
 148                         *)
 149                                 ;;
 150                 esac
 151         fi
 152
 153         # If PORTS is set and NODOC is unset, force NODOC=yes because the ports
 154         # tree is required to build the documentation set.
 155         if [ -n "${NOPORTS}" ] && [ -z "${NODOC}" ]; then
 156                 echo "*** NOTICE: Setting NODOC=1 since ports tree is required"
 157                 echo "            and NOPORTS is set."
 158                 NODOC=yes
 159         fi
 160
 161         # If NOSRC, NOPORTS and/or NODOC are unset, they must not pass to make
 162         # as variables.  The release makefile verifies definedness of the
 163         # NOPORTS/NODOC variables instead of their values.
 164         SRCDOCPORTS=
 165         if [ -n "${NOPORTS}" ]; then
 166                 SRCDOCPORTS="NOPORTS=yes"
 167         fi
 168         if [ -n "${NODOC}" ]; then
 169                 SRCDOCPORTS="${SRCDOCPORTS}${SRCDOCPORTS:+ }NODOC=yes"
 170         fi
 171         if [ -n "${NOSRC}" ]; then
 172                 SRCDOCPORTS="${SRCDOCPORTS}${SRCDOCPORTS:+ }NOSRC=yes"
 173         fi
 174
 175         # The aggregated build-time flags based upon variables defined within
 176         # this file, unless overridden by release.conf.  In most cases, these
 177         # will not need to be changed.
 178         CONF_FILES="__MAKE_CONF=${MAKE_CONF} SRCCONF=${SRC_CONF}"
 179         if [ -n "${TARGET}" ] && [ -n "${TARGET_ARCH}" ]; then
 180                 ARCH_FLAGS="TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}"
 181         else
 182                 ARCH_FLAGS=
 183         fi
 184
 185         if [ -z "${CHROOTDIR}" ]; then
 186                 echo "Please set CHROOTDIR."
 187                 exit 1
 188         fi
 189
 190         if [ $(id -u) -ne 0 ]; then
 191                 echo "Needs to be run as root."
 192                 exit 1
 193         fi
 194
 195         # Unset CHROOTBUILD_SKIP if the chroot(8) does not appear to exist.
 196         if [ ! -z "${CHROOTBUILD_SKIP}" -a ! -e ${CHROOTDIR}/bin/sh ]; then
 197                 CHROOTBUILD_SKIP=
 198         fi
 199
 200         CHROOT_MAKEENV="${CHROOT_MAKEENV} \
 201                 MAKEOBJDIRPREFIX=${CHROOTDIR}/tmp/obj"
 202         CHROOT_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${CONF_FILES}"
 203         CHROOT_IMAKEFLAGS="${WORLD_FLAGS} ${CONF_FILES}"
 204         CHROOT_DMAKEFLAGS="${WORLD_FLAGS} ${CONF_FILES}"
 205         RELEASE_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${ARCH_FLAGS} \
 206                 ${CONF_FILES}"
 207         RELEASE_KMAKEFLAGS="${MAKE_FLAGS} ${KERNEL_FLAGS} \
 208                 KERNCONF=\"${KERNEL}\" ${ARCH_FLAGS} ${CONF_FILES}"
 209         RELEASE_RMAKEFLAGS="${ARCH_FLAGS} \
 210                 KERNCONF=\"${KERNEL}\" ${CONF_FILES} ${SRCDOCPORTS} \
 211                 WITH_DVD=${WITH_DVD} WITH_VMIMAGES=${WITH_VMIMAGES} \
 212                 WITH_CLOUDWARE=${WITH_CLOUDWARE} XZ_THREADS=${XZ_THREADS}"
 213
 214         return 0
 215 } # env_check()
 216
 217 # chroot_setup(): Prepare the build chroot environment for the release build.
 218 chroot_setup() {
 219         load_chroot_env
 220         mkdir -p ${CHROOTDIR}/usr
 221
 222         if [ -z "${SRC_UPDATE_SKIP}" ]; then
 223                 ${VCSCMD} ${SRC} -b ${SRCBRANCH} ${CHROOTDIR}/usr/src
 224         fi
 225         if [ -z "${NODOC}" ] && [ -z "${DOC_UPDATE_SKIP}" ]; then
 226                 ${VCSCMD} ${DOC} -b ${DOCBRANCH} ${CHROOTDIR}/usr/doc
 227         fi
 228         if [ -z "${NOPORTS}" ] && [ -z "${PORTS_UPDATE_SKIP}" ]; then
 229                 ${VCSCMD} ${PORT} -b ${PORTBRANCH} ${CHROOTDIR}/usr/ports
 230         fi
 231
 232         if [ -z "${CHROOTBUILD_SKIP}" ]; then
 233                 cd ${CHROOTDIR}/usr/src
 234                 env ${CHROOT_MAKEENV} make ${CHROOT_WMAKEFLAGS} buildworld
 235                 env ${CHROOT_MAKEENV} make ${CHROOT_IMAKEFLAGS} installworld \
 236                         DESTDIR=${CHROOTDIR}
 237                 env ${CHROOT_MAKEENV} make ${CHROOT_DMAKEFLAGS} distribution \
 238                         DESTDIR=${CHROOTDIR}
 239         fi
 240
 241         return 0
 242 } # chroot_setup()
 243
 244 # extra_chroot_setup(): Prepare anything additional within the build
 245 # necessary for the release build.
 246 extra_chroot_setup() {
 247         mkdir -p ${CHROOTDIR}/dev
 248         mount -t devfs devfs ${CHROOTDIR}/dev
 249         [ -e /etc/resolv.conf -a ! -e ${CHROOTDIR}/etc/resolv.conf ] && \
 250                 cp /etc/resolv.conf ${CHROOTDIR}/etc/resolv.conf
 251         # Run ldconfig(8) in the chroot directory so /var/run/ld-elf*.so.hints
 252         # is created.  This is needed by ports-mgmt/pkg.
 253         eval chroot ${CHROOTDIR} /etc/rc.d/ldconfig forcerestart
 254
 255         # If MAKE_CONF and/or SRC_CONF are set and not character devices
 256         # (/dev/null), copy them to the chroot.
 257         if [ -e ${MAKE_CONF} ] && [ ! -c ${MAKE_CONF} ]; then
 258                 mkdir -p ${CHROOTDIR}/$(dirname ${MAKE_CONF})
 259                 cp ${MAKE_CONF} ${CHROOTDIR}/${MAKE_CONF}
 260         fi
 261         if [ -e ${SRC_CONF} ] && [ ! -c ${SRC_CONF} ]; then
 262                 mkdir -p ${CHROOTDIR}/$(dirname ${SRC_CONF})
 263                 cp ${SRC_CONF} ${CHROOTDIR}/${SRC_CONF}
 264         fi
 265
 266         # Install git from ports or packages if the ports tree is
 267         # available and VCSCMD is unset.
 268         _gitcmd="$(which git)"
 269         if [ -d ${CHROOTDIR}/usr/ports -a -z "${_gitcmd}" ]; then
 270                 # Trick the ports 'run-autotools-fixup' target to do the right
 271                 # thing.
 272                 _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 273                 REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 274                 BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 275                 UNAME_r=${REVISION}-${BRANCH}
 276                 GITUNSETOPTS="CONTRIB CURL CVS GITWEB GUI HTMLDOCS"
 277                 GITUNSETOPTS="${GITUNSETOPTS} ICONV NLS P4 PERL"
 278                 GITUNSETOPTS="${GITUNSETOPTS} SEND_EMAIL SUBTREE SVN"
 279                 GITUNSETOPTS="${GITUNSETOPTS} PCRE PCRE2"
 280                 eval chroot ${CHROOTDIR} env OPTIONS_UNSET=\"${GITUNSETOPTS}\" \
 281                         make -C /usr/ports/devel/git FORCE_PKG_REGISTER=1 \
 282                         WRKDIRPREFIX=/tmp/ports \
 283                         DISTDIR=/tmp/distfiles \
 284                         install clean distclean
 285         else
 286                 eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
 287                         pkg install -y devel/git
 288                 eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
 289                         pkg clean -y
 290         fi
 291         if [ -d ${CHROOTDIR}/usr/ports ]; then
 292                 # Trick the ports 'run-autotools-fixup' target to do the right
 293                 # thing.
 294                 _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 295                 REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 296                 BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 297                 UNAME_r=${REVISION}-${BRANCH}
 298                 if [ -d ${CHROOTDIR}/usr/doc ] && [ -z "${NODOC}" ]; then
 299                         PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
 300                         PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
 301                         PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
 302                         PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
 303                         PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
 304                         chroot ${CHROOTDIR} env ${PBUILD_FLAGS} \
 305                                 OPTIONS_UNSET="AVAHI FOP IGOR" make -C \
 306                                 /usr/ports/textproc/docproj \
 307                                 FORCE_PKG_REGISTER=1 \
 308                                 install clean distclean
 309                 fi
 310         fi
 311
 312         if [ ! -z "${EMBEDDEDPORTS}" ]; then
 313                 _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 314                 REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 315                 BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 316                 PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
 317                 PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
 318                 PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
 319                 PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
 320                 PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
 321                 for _PORT in ${EMBEDDEDPORTS}; do
 322                         eval chroot ${CHROOTDIR} env ${PBUILD_FLAGS} make -C \
 323                                 /usr/ports/${_PORT} \
 324                                 FORCE_PKG_REGISTER=1 deinstall install clean distclean
 325                 done
 326         fi
 327
 328         buildenv_setup
 329
 330         return 0
 331 } # extra_chroot_setup()
 332
 333 # chroot_build_target(): Build the userland and kernel for the build target.
 334 chroot_build_target() {
 335         load_target_env
 336         if [ ! -z "${EMBEDDEDBUILD}" ]; then
 337                 RELEASE_WMAKEFLAGS="${RELEASE_WMAKEFLAGS} \
 338                         TARGET=${EMBEDDED_TARGET} \
 339                         TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 340                 RELEASE_KMAKEFLAGS="${RELEASE_KMAKEFLAGS} \
 341                         TARGET=${EMBEDDED_TARGET} \
 342                         TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 343         fi
 344         eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_WMAKEFLAGS} buildworld
 345         eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_KMAKEFLAGS} buildkernel
 346
 347         return 0
 348 } # chroot_build_target
 349
 350 # chroot_build_release(): Invoke the 'make release' target.
 351 chroot_build_release() {
 352         load_target_env
 353         if [ ! -z "${WITH_VMIMAGES}" ]; then
 354                 if [ -z "${VMFORMATS}" ]; then
 355                         VMFORMATS="$(eval chroot ${CHROOTDIR} \
 356                                 make -C /usr/src/release -V VMFORMATS)"
 357                 fi
 358                 if [ -z "${VMSIZE}" ]; then
 359                         VMSIZE="$(eval chroot ${CHROOTDIR} \
 360                                 make -C /usr/src/release -V VMSIZE)"
 361                 fi
 362                 RELEASE_RMAKEFLAGS="${RELEASE_RMAKEFLAGS} \
 363                         VMFORMATS=\"${VMFORMATS}\" VMSIZE=${VMSIZE}"
 364         fi
 365         eval chroot ${CHROOTDIR} make -C /usr/src/release \
 366                 ${RELEASE_RMAKEFLAGS} release
 367         eval chroot ${CHROOTDIR} make -C /usr/src/release \
 368                 ${RELEASE_RMAKEFLAGS} install DESTDIR=/R \
 369                 WITH_COMPRESSED_IMAGES=${WITH_COMPRESSED_IMAGES} \
 370                 WITH_COMPRESSED_VMIMAGES=${WITH_COMPRESSED_VMIMAGES}
 371
 372         return 0
 373 } # chroot_build_release()
 374
 375 efi_boot_name()
 376 {
 377         case $1 in
 378                 arm)
 379                         echo "bootarm.efi"
 380                         ;;
 381                 arm64)
 382                         echo "bootaa64.efi"
 383                         ;;
 384                 amd64)
 385                         echo "bootx64.efi"
 386                         ;;
 387         esac
 388 }
 389
 390 # chroot_arm_build_release(): Create arm SD card image.
 391 chroot_arm_build_release() {
 392         load_target_env
 393         case ${EMBEDDED_TARGET} in
 394                 arm|arm64)
 395                         if [ -e "${RELENGDIR}/tools/arm.subr" ]; then
 396                                 . "${RELENGDIR}/tools/arm.subr"
 397                         fi
 398                         ;;
 399                 *)
 400                         ;;
 401         esac
 402         [ ! -z "${RELEASECONF}" ] && . "${RELEASECONF}"
 403         export MAKE_FLAGS="${MAKE_FLAGS} TARGET=${EMBEDDED_TARGET}"
 404         export MAKE_FLAGS="${MAKE_FLAGS} TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 405         export MAKE_FLAGS="${MAKE_FLAGS} ${CONF_FILES}"
 406         eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release obj
 407         export WORLDDIR="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release -V WORLDDIR)"
 408         export OBJDIR="$(eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release -V .OBJDIR)"
 409         export DESTDIR="${OBJDIR}/${KERNEL}"
 410         export IMGBASE="${CHROOTDIR}/${OBJDIR}/${BOARDNAME}.img"
 411         export OSRELEASE="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release \
 412                 TARGET=${EMBEDDED_TARGET} TARGET_ARCH=${EMBEDDED_TARGET_ARCH} \
 413                 -V OSRELEASE)"
 414         chroot ${CHROOTDIR} mkdir -p ${DESTDIR}
 415         chroot ${CHROOTDIR} truncate -s ${IMAGE_SIZE} ${IMGBASE##${CHROOTDIR}}
 416         export mddev=$(chroot ${CHROOTDIR} \
 417                 mdconfig -f ${IMGBASE##${CHROOTDIR}} ${MD_ARGS})
 418         arm_create_disk
 419         arm_install_base
 420         arm_install_boot
 421         arm_install_uboot
 422         mdconfig -d -u ${mddev}
 423         chroot ${CHROOTDIR} rmdir ${DESTDIR}
 424         mv ${IMGBASE} ${CHROOTDIR}/${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img
 425         chroot ${CHROOTDIR} mkdir -p /R
 426         chroot ${CHROOTDIR} cp -p ${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img \
 427                 /R/${OSRELEASE}-${BOARDNAME}.img
 428         chroot ${CHROOTDIR} xz -T ${XZ_THREADS} /R/${OSRELEASE}-${BOARDNAME}.img
 429         cd ${CHROOTDIR}/R && sha512 ${OSRELEASE}* \
 430                 > CHECKSUM.SHA512
 431         cd ${CHROOTDIR}/R && sha256 ${OSRELEASE}* \
 432                 > CHECKSUM.SHA256
 433
 434         return 0
 435 } # chroot_arm_build_release()
 436
 437 # main(): Start here.
 438 main() {
 439         set -e # Everything must succeed
 440         env_setup
 441         while getopts c: opt; do
 442                 case ${opt} in
 443                         c)
 444                                 RELEASECONF="$(realpath ${OPTARG})"
 445                                 ;;
 446                         \?)
 447                                 usage
 448                                 ;;
 449                 esac
 450         done
 451         shift $(($OPTIND - 1))
 452         if [ ! -z "${RELEASECONF}" ]; then
 453                 if [ -e "${RELEASECONF}" ]; then
 454                         . ${RELEASECONF}
 455                 else
 456                         echo "Nonexistent configuration file: ${RELEASECONF}"
 457                         echo "Using default build environment."
 458                 fi
 459         fi
 460         env_check
 461         trap "umount ${CHROOTDIR}/dev" EXIT # Clean up devfs mount on exit
 462         chroot_setup
 463         extra_chroot_setup
 464         chroot_build_target
 465         ${chroot_build_release_cmd}
 466
 467         return 0
 468 } # main()
 469
 470 main "${@}"