release/release.sh

   1 #!/bin/sh
   2 #-
   3 # Copyright (c) 2020-2021 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
  38 export PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin"
  39
  40 VERSION=3
  41
  42 # Prototypes that can be redefined per-chroot or per-target.
  43 load_chroot_env() { }
  44 load_target_env() { }
  45 buildenv_setup() { }
  46
  47 usage() {
  48         echo "Usage: $0 [-c release.conf]"
  49         exit 1
  50 }
  51
  52 # env_setup(): Set up the default build environment variables, such as the
  53 # CHROOTDIR, VCSCMD, GITROOT, etc.  This is called before the release.conf
  54 # file is sourced, if '-c <release.conf>' is specified.
  55 env_setup() {
  56         # The directory within which the release will be built.
  57         CHROOTDIR="/scratch"
  58         if [ -z "${RELENGDIR}" ]; then
  59                 export RELENGDIR="$(dirname $(realpath ${0}))"
  60         fi
  61
  62         # The default version control system command to obtain the sources.
  63         for _dir in /usr/bin /usr/local/bin; do
  64                 [ -x "${_dir}/git" ] && VCSCMD="/${_dir}/git"
  65                 [ ! -z "${VCSCMD}" ] && break 2
  66         done
  67
  68         if [ -z "${VCSCMD}" -a -z "${NOGIT}" ]; 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://git.FreeBSD.org/"
  77         SRCBRANCH="main"
  78         PORTBRANCH="main"
  79         GITSRC="src.git"
  80         GITPORTS="ports.git"
  81
  82         # Set for embedded device builds.
  83         EMBEDDEDBUILD=
  84
  85         # The default make.conf and src.conf to use.  Set to /dev/null
  86         # by default to avoid polluting the chroot(8) environment with
  87         # non-default settings.
  88         MAKE_CONF="/dev/null"
  89         SRC_CONF="/dev/null"
  90
  91         # The number of make(1) jobs, defaults to the number of CPUs available
  92         # for buildworld, and half of number of CPUs available for buildkernel
  93         # and 'make release'.
  94         WORLD_FLAGS="-j$(sysctl -n hw.ncpu)"
  95         KERNEL_FLAGS="-j$(( $(( $(sysctl -n hw.ncpu) + 1 )) / 2))"
  96         RELEASE_FLAGS="-j$(( $(( $(sysctl -n hw.ncpu) + 1 )) / 2))"
  97
  98         MAKE_FLAGS="-s"
  99
 100         # The name of the kernel to build, defaults to GENERIC.
 101         KERNEL="GENERIC"
 102
 103         # Set to non-empty value to disable checkout of doc/ and/or ports/.
 104         NOPORTS=
 105
 106         # Set to non-empty value to disable distributing source tree.
 107         NOSRC=
 108
 109         # Set to non-empty value to build dvd1.iso as part of the release.
 110         WITH_DVD=
 111         WITH_COMPRESSED_IMAGES=
 112
 113         # Set to non-empty value to build virtual machine images as part of
 114         # the release.
 115         WITH_VMIMAGES=
 116         WITH_COMPRESSED_VMIMAGES=
 117         XZ_THREADS=0
 118
 119         # Set to non-empty value to build virtual machine images for various
 120         # cloud providers as part of the release.
 121         WITH_CLOUDWARE=
 122
 123         # Set to non-empty to build OCI images as part of the release
 124         WITH_OCIIMAGES=
 125
 126         return 0
 127 } # env_setup()
 128
 129 # env_check(): Perform sanity tests on the build environment, such as ensuring
 130 # files/directories exist, as well as adding backwards-compatibility hacks if
 131 # necessary.  This is called unconditionally, and overrides the defaults set
 132 # in env_setup() if '-c <release.conf>' is specified.
 133 env_check() {
 134         chroot_build_release_cmd="chroot_build_release"
 135
 136         # Prefix the branches with the GITROOT for the full checkout URL.
 137         SRC="${GITROOT}${GITSRC}"
 138         PORT="${GITROOT}${GITPORTS}"
 139
 140         if [ -n "${EMBEDDEDBUILD}" ]; then
 141                 WITH_DVD=
 142                 WITH_COMPRESSED_IMAGES=
 143                 case ${EMBEDDED_TARGET}:${EMBEDDED_TARGET_ARCH} in
 144                         arm:arm*|arm64:aarch64|riscv:riscv64*)
 145                                 chroot_build_release_cmd="chroot_arm_build_release"
 146                                 ;;
 147                         *)
 148                                 ;;
 149                 esac
 150         fi
 151
 152         # If NOSRC and/or NOPORTS are unset, they must not pass to make
 153         # as variables.  The release makefile verifies definedness of the
 154         # NOPORTS variable instead of its value.
 155         SRCPORTS=
 156         if [ -n "${NOPORTS}" ]; then
 157                 SRCPORTS="NOPORTS=yes"
 158         fi
 159         if [ -n "${NOSRC}" ]; then
 160                 SRCPORTS="${SRCPORTS}${SRCPORTS:+ }NOSRC=yes"
 161         fi
 162
 163         # The aggregated build-time flags based upon variables defined within
 164         # this file, unless overridden by release.conf.  In most cases, these
 165         # will not need to be changed.
 166         CONF_FILES="__MAKE_CONF=${MAKE_CONF} SRCCONF=${SRC_CONF}"
 167         NOCONF_FILES="__MAKE_CONF=/dev/null SRCCONF=/dev/null"
 168         if [ -n "${TARGET}" ] && [ -n "${TARGET_ARCH}" ]; then
 169                 ARCH_FLAGS="TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}"
 170         else
 171                 ARCH_FLAGS=
 172         fi
 173
 174         if [ -z "${CHROOTDIR}" ]; then
 175                 echo "Please set CHROOTDIR."
 176                 exit 1
 177         fi
 178
 179         if [ $(id -u) -ne 0 ]; then
 180                 echo "Needs to be run as root."
 181                 exit 1
 182         fi
 183
 184         # Unset CHROOTBUILD_SKIP if the chroot(8) does not appear to exist.
 185         if [ ! -z "${CHROOTBUILD_SKIP}" -a ! -e ${CHROOTDIR}/bin/sh ]; then
 186                 CHROOTBUILD_SKIP=
 187         fi
 188
 189         CHROOT_MAKEENV="${CHROOT_MAKEENV} \
 190                 MAKEOBJDIRPREFIX=${CHROOTDIR}/tmp/obj"
 191         CHROOT_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${NOCONF_FILES}"
 192         CHROOT_IMAKEFLAGS="${WORLD_FLAGS} ${NOCONF_FILES}"
 193         CHROOT_DMAKEFLAGS="${WORLD_FLAGS} ${NOCONF_FILES}"
 194         RELEASE_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${ARCH_FLAGS} \
 195                 ${CONF_FILES}"
 196         RELEASE_KMAKEFLAGS="${MAKE_FLAGS} ${KERNEL_FLAGS} \
 197                 KERNCONF=\"${KERNEL}\" ${ARCH_FLAGS} ${CONF_FILES}"
 198         RELEASE_RMAKEFLAGS="${ARCH_FLAGS} ${RELEASE_FLAGS} \
 199                 KERNCONF=\"${KERNEL}\" ${CONF_FILES} ${SRCPORTS} \
 200                 WITH_DVD=${WITH_DVD} WITH_VMIMAGES=${WITH_VMIMAGES} \
 201                 WITH_CLOUDWARE=${WITH_CLOUDWARE} WITH_OCIIMAGES=${WITH_OCIIMAGES} \
 202                 XZ_THREADS=${XZ_THREADS}"
 203
 204         return 0
 205 } # env_check()
 206
 207 # chroot_setup(): Prepare the build chroot environment for the release build.
 208 chroot_setup() {
 209         load_chroot_env
 210         mkdir -p ${CHROOTDIR}/usr
 211
 212         if [ -z "${SRC_UPDATE_SKIP}" ]; then
 213                 if [ -d "${CHROOTDIR}/usr/src/.git" ]; then
 214                         git -C ${CHROOTDIR}/usr/src pull -q
 215                 else
 216                         ${VCSCMD} ${SRC} -b ${SRCBRANCH} ${CHROOTDIR}/usr/src
 217                 fi
 218         fi
 219         if [ -z "${NOPORTS}" ] && [ -z "${PORTS_UPDATE_SKIP}" ]; then
 220                 if [ -d "${CHROOTDIR}/usr/ports/.git" ]; then
 221                         git -C ${CHROOTDIR}/usr/ports pull -q
 222                 else
 223                         ${VCSCMD} ${PORT} -b ${PORTBRANCH} ${CHROOTDIR}/usr/ports
 224                 fi
 225         fi
 226
 227         if [ -z "${CHROOTBUILD_SKIP}" ]; then
 228                 cd ${CHROOTDIR}/usr/src
 229                 env ${CHROOT_MAKEENV} make ${CHROOT_WMAKEFLAGS} buildworld
 230                 env ${CHROOT_MAKEENV} make ${CHROOT_IMAKEFLAGS} installworld \
 231                         DESTDIR=${CHROOTDIR}
 232                 env ${CHROOT_MAKEENV} make ${CHROOT_DMAKEFLAGS} distribution \
 233                         DESTDIR=${CHROOTDIR}
 234         fi
 235
 236         return 0
 237 } # chroot_setup()
 238
 239 # extra_chroot_setup(): Prepare anything additional within the build
 240 # necessary for the release build.
 241 extra_chroot_setup() {
 242         mkdir -p ${CHROOTDIR}/dev
 243         mount -t devfs devfs ${CHROOTDIR}/dev
 244         [ -e /etc/resolv.conf -a ! -e ${CHROOTDIR}/etc/resolv.conf ] && \
 245                 cp /etc/resolv.conf ${CHROOTDIR}/etc/resolv.conf
 246         # Run ldconfig(8) in the chroot directory so /var/run/ld-elf*.so.hints
 247         # is created.  This is needed by ports-mgmt/pkg.
 248         eval chroot ${CHROOTDIR} /etc/rc.d/ldconfig forcerestart
 249
 250         # If MAKE_CONF and/or SRC_CONF are set and not character devices
 251         # (/dev/null), copy them to the chroot.
 252         if [ -e ${MAKE_CONF} ] && [ ! -c ${MAKE_CONF} ]; then
 253                 mkdir -p ${CHROOTDIR}/$(dirname ${MAKE_CONF})
 254                 cp ${MAKE_CONF} ${CHROOTDIR}/${MAKE_CONF}
 255         fi
 256         if [ -e ${SRC_CONF} ] && [ ! -c ${SRC_CONF} ]; then
 257                 mkdir -p ${CHROOTDIR}/$(dirname ${SRC_CONF})
 258                 cp ${SRC_CONF} ${CHROOTDIR}/${SRC_CONF}
 259         fi
 260
 261         _gitcmd="$(which git)"
 262         if [ -z "${NOGIT}" -a -z "${_gitcmd}" ]; then
 263                 # Install git from ports if the ports tree is available;
 264                 # otherwise install the pkg.
 265                 if [ -d ${CHROOTDIR}/usr/ports ]; then
 266                         # Trick the ports 'run-autotools-fixup' target to do the right
 267                         # thing.
 268                         _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 269                         REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 270                         BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 271                         UNAME_r=${REVISION}-${BRANCH}
 272                         GITUNSETOPTS="CONTRIB CURL CVS GITWEB GUI HTMLDOCS"
 273                         GITUNSETOPTS="${GITUNSETOPTS} ICONV NLS P4 PERL"
 274                         GITUNSETOPTS="${GITUNSETOPTS} SEND_EMAIL SUBTREE SVN"
 275                         GITUNSETOPTS="${GITUNSETOPTS} PCRE PCRE2"
 276                         PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
 277                         PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
 278                         PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
 279                         PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
 280                         PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
 281                         eval chroot ${CHROOTDIR} env OPTIONS_UNSET=\"${GITUNSETOPTS}\" \
 282                                 ${PBUILD_FLAGS} \
 283                                 make -C /usr/ports/devel/git FORCE_PKG_REGISTER=1 \
 284                                 WRKDIRPREFIX=/tmp/ports \
 285                                 DISTDIR=/tmp/distfiles \
 286                                 install clean distclean
 287                 else
 288                         eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
 289                                 pkg install -y devel/git
 290                         eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
 291                                 pkg clean -y
 292                 fi
 293         fi
 294
 295         if [ ! -z "${WITH_OCIIMAGES}" ]; then
 296                 # Install buildah and skopeo from ports if the ports tree is available;
 297                 # otherwise install the pkg.
 298                 if [ -d ${CHROOTDIR}/usr/ports ]; then
 299                         # Trick the ports 'run-autotools-fixup' target to do the right
 300                         # thing.
 301                         _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 302                         REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 303                         BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 304                         UNAME_r=${REVISION}-${BRANCH}
 305                         GITUNSETOPTS="CONTRIB CURL CVS GITWEB GUI HTMLDOCS"
 306                         GITUNSETOPTS="${GITUNSETOPTS} ICONV NLS P4 PERL"
 307                         GITUNSETOPTS="${GITUNSETOPTS} SEND_EMAIL SUBTREE SVN"
 308                         GITUNSETOPTS="${GITUNSETOPTS} PCRE PCRE2"
 309                         PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
 310                         PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
 311                         PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
 312                         PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
 313                         PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
 314                         for _PORT in sysutils/buildah sysutils/skopeo; do
 315                                 eval chroot ${CHROOTDIR} env ${PBUILD_FLAGS} make -C \
 316                                      /usr/ports/${_PORT} \
 317                                      FORCE_PKG_REGISTER=1 deinstall install clean distclean
 318                         done
 319                 else
 320                         eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
 321                                 pkg install -y sysutils/buildah sysutils/skopeo
 322                         eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
 323                                 pkg clean -y
 324                 fi
 325                 # Use the vfs storage driver so that this works whether or not
 326                 # the build directory is on ZFS. The images are small so the
 327                 # performance difference is negligible.
 328                 eval chroot ${CHROOTDIR} sed -I .bak -e '/^driver/s/zfs/vfs/' /usr/local/etc/containers/storage.conf
 329                 # Remove any stray images from previous builds
 330                 eval chroot ${CHROOTDIR} buildah rmi -af
 331         fi
 332
 333         if [ ! -z "${EMBEDDEDPORTS}" ]; then
 334                 _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 335                 REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 336                 BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 337                 UNAME_r=${REVISION}-${BRANCH}
 338                 PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
 339                 PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
 340                 PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
 341                 PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
 342                 PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
 343                 for _PORT in ${EMBEDDEDPORTS}; do
 344                         eval chroot ${CHROOTDIR} env ${PBUILD_FLAGS} make -C \
 345                                 /usr/ports/${_PORT} \
 346                                 FORCE_PKG_REGISTER=1 deinstall install clean distclean
 347                 done
 348         fi
 349
 350         buildenv_setup
 351
 352         return 0
 353 } # extra_chroot_setup()
 354
 355 # chroot_build_target(): Build the userland and kernel for the build target.
 356 chroot_build_target() {
 357         load_target_env
 358         if [ ! -z "${EMBEDDEDBUILD}" ]; then
 359                 RELEASE_WMAKEFLAGS="${RELEASE_WMAKEFLAGS} \
 360                         TARGET=${EMBEDDED_TARGET} \
 361                         TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 362                 RELEASE_KMAKEFLAGS="${RELEASE_KMAKEFLAGS} \
 363                         TARGET=${EMBEDDED_TARGET} \
 364                         TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 365         fi
 366         eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_WMAKEFLAGS} buildworld
 367         eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_KMAKEFLAGS} buildkernel
 368         if [ ! -z "${WITH_OCIIMAGES}" ]; then
 369                 eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_WMAKEFLAGS} packages
 370         fi
 371
 372         return 0
 373 } # chroot_build_target
 374
 375 # chroot_build_release(): Invoke the 'make release' target.
 376 chroot_build_release() {
 377         load_target_env
 378         if [ ! -z "${WITH_VMIMAGES}" ]; then
 379                 if [ -z "${VMFORMATS}" ]; then
 380                         VMFORMATS="$(eval chroot ${CHROOTDIR} \
 381                                 make -C /usr/src/release -V VMFORMATS)"
 382                 fi
 383                 if [ -z "${VMSIZE}" ]; then
 384                         VMSIZE="$(eval chroot ${CHROOTDIR} \
 385                                 make -C /usr/src/release ${ARCH_FLAGS} -V VMSIZE)"
 386                 fi
 387                 RELEASE_RMAKEFLAGS="${RELEASE_RMAKEFLAGS} \
 388                         VMFORMATS=\"${VMFORMATS}\" VMSIZE=${VMSIZE}"
 389         fi
 390         eval chroot ${CHROOTDIR} make -C /usr/src/release \
 391                 ${RELEASE_RMAKEFLAGS} release
 392         eval chroot ${CHROOTDIR} make -C /usr/src/release \
 393                 ${RELEASE_RMAKEFLAGS} install DESTDIR=/R \
 394                 WITH_COMPRESSED_IMAGES=${WITH_COMPRESSED_IMAGES} \
 395                 WITH_COMPRESSED_VMIMAGES=${WITH_COMPRESSED_VMIMAGES}
 396
 397         return 0
 398 } # chroot_build_release()
 399
 400 efi_boot_name()
 401 {
 402         case $1 in
 403                 arm)
 404                         echo "bootarm.efi"
 405                         ;;
 406                 arm64)
 407                         echo "bootaa64.efi"
 408                         ;;
 409                 amd64)
 410                         echo "bootx64.efi"
 411                         ;;
 412                 riscv)
 413                         echo "bootriscv64.efi"
 414                         ;;
 415         esac
 416 }
 417
 418 # chroot_arm_build_release(): Create arm SD card image.
 419 chroot_arm_build_release() {
 420         load_target_env
 421         case ${EMBEDDED_TARGET} in
 422                 arm|arm64|riscv)
 423                         if [ -e "${RELENGDIR}/tools/arm.subr" ]; then
 424                                 . "${RELENGDIR}/tools/arm.subr"
 425                         fi
 426                         ;;
 427                 *)
 428                         ;;
 429         esac
 430         [ ! -z "${RELEASECONF}" ] && . "${RELEASECONF}"
 431         export MAKE_FLAGS="${MAKE_FLAGS} TARGET=${EMBEDDED_TARGET}"
 432         export MAKE_FLAGS="${MAKE_FLAGS} TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 433         export MAKE_FLAGS="${MAKE_FLAGS} ${CONF_FILES}"
 434         eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release obj
 435         export WORLDDIR="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release -V WORLDDIR)"
 436         export OBJDIR="$(eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release -V .OBJDIR)"
 437         export DESTDIR="${OBJDIR}/${KERNEL}"
 438         export IMGBASE="${CHROOTDIR}/${OBJDIR}/${BOARDNAME}.img"
 439         export OSRELEASE="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release \
 440                 TARGET=${EMBEDDED_TARGET} TARGET_ARCH=${EMBEDDED_TARGET_ARCH} \
 441                 -V OSRELEASE)"
 442         chroot ${CHROOTDIR} mkdir -p ${DESTDIR}
 443         chroot ${CHROOTDIR} truncate -s ${IMAGE_SIZE} ${IMGBASE##${CHROOTDIR}}
 444         export mddev=$(chroot ${CHROOTDIR} \
 445                 mdconfig -f ${IMGBASE##${CHROOTDIR}} ${MD_ARGS})
 446         arm_create_disk
 447         arm_install_base
 448         arm_install_boot
 449         arm_install_uboot
 450         mdconfig -d -u ${mddev}
 451         chroot ${CHROOTDIR} rmdir ${DESTDIR}
 452         mv ${IMGBASE} ${CHROOTDIR}/${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img
 453         chroot ${CHROOTDIR} mkdir -p /R
 454         chroot ${CHROOTDIR} cp -p ${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img \
 455                 /R/${OSRELEASE}-${BOARDNAME}.img
 456         chroot ${CHROOTDIR} xz -T ${XZ_THREADS} /R/${OSRELEASE}-${BOARDNAME}.img
 457         cd ${CHROOTDIR}/R && sha512 ${OSRELEASE}* \
 458                 > CHECKSUM.SHA512
 459         cd ${CHROOTDIR}/R && sha256 ${OSRELEASE}* \
 460                 > CHECKSUM.SHA256
 461
 462         return 0
 463 } # chroot_arm_build_release()
 464
 465 # main(): Start here.
 466 main() {
 467         set -e # Everything must succeed
 468         env_setup
 469         while getopts c: opt; do
 470                 case ${opt} in
 471                         c)
 472                                 RELEASECONF="$(realpath ${OPTARG})"
 473                                 ;;
 474                         \?)
 475                                 usage
 476                                 ;;
 477                 esac
 478         done
 479         shift $(($OPTIND - 1))
 480         if [ ! -z "${RELEASECONF}" ]; then
 481                 if [ -e "${RELEASECONF}" ]; then
 482                         . ${RELEASECONF}
 483                 else
 484                         echo "Nonexistent configuration file: ${RELEASECONF}"
 485                         echo "Using default build environment."
 486                 fi
 487         fi
 488         env_check
 489         trap "umount ${CHROOTDIR}/dev" EXIT # Clean up devfs mount on exit
 490         chroot_setup
 491         extra_chroot_setup
 492         chroot_build_target
 493         ${chroot_build_release_cmd}
 494
 495         return 0
 496 } # main()
 497
 498 main "${@}"