release/release.sh

   1 #!/bin/sh
   2 #-
   3 # Copyright (c) 2013-2018 The FreeBSD Foundation
   4 # Copyright (c) 2013 Glen Barber
   5 # Copyright (c) 2011 Nathan Whitehorn
   6 # All rights reserved.
   7 #
   8 # Portions of this software were developed by Glen Barber
   9 # under sponsorship from the FreeBSD Foundation.
  10 #
  11 # Redistribution and use in source and binary forms, with or without
  12 # modification, are permitted provided that the following conditions
  13 # are met:
  14 # 1. Redistributions of source code must retain the above copyright
  15 #    notice, this list of conditions and the following disclaimer.
  16 # 2. Redistributions in binary form must reproduce the above copyright
  17 #    notice, this list of conditions and the following disclaimer in the
  18 #    documentation and/or other materials provided with the distribution.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  24 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30 # SUCH DAMAGE.
  31 #
  32 # release.sh: check out source trees, and build release components with
  33 #  totally clean, fresh trees.
  34 # Based on release/generate-release.sh written by Nathan Whitehorn
  35 #
  36 # $FreeBSD$
  37 #
  38
  39 export PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin"
  40
  41 VERSION=3
  42
  43 # Prototypes that can be redefined per-chroot or per-target.
  44 load_chroot_env() { }
  45 load_target_env() { }
  46 buildenv_setup() { }
  47
  48 usage() {
  49         echo "Usage: $0 [-c release.conf]"
  50         exit 1
  51 }
  52
  53 # env_setup(): Set up the default build environment variables, such as the
  54 # CHROOTDIR, VCSCMD, GITROOT, etc.  This is called before the release.conf
  55 # file is sourced, if '-c <release.conf>' is specified.
  56 env_setup() {
  57         # The directory within which the release will be built.
  58         CHROOTDIR="/scratch"
  59         RELENGDIR="$(dirname $(realpath ${0}))"
  60
  61         # The default version control system command to obtain the sources.
  62         for _dir in /usr/bin /usr/local/bin; do
  63                 [ -x "${_dir}/git" ] && VCSCMD="/${_dir}/git"
  64                 [ ! -z "${VCSCMD}" ] && break 2
  65         done
  66
  67         if [ -z "${VCSCMD}" ]; then
  68                 echo "*** The devel/git port/package is required."
  69                 exit 1
  70         fi
  71         VCSCMD="/usr/local/bin/git clone -q"
  72
  73         # The default git checkout server, and branches for src/, doc/,
  74         # and ports/.
  75         GITROOT="https://cgit-beta.FreeBSD.org/"
  76         SRCBRANCH="main"
  77         DOCBRANCH="main"
  78         PORTBRANCH="main"
  79         GITSRC="src.git"
  80         GITPORTS="ports.git"
  81         GITDOC="doc.git"
  82
  83         # Set for embedded device builds.
  84         EMBEDDEDBUILD=
  85
  86         # The default make.conf and src.conf to use.  Set to /dev/null
  87         # by default to avoid polluting the chroot(8) environment with
  88         # non-default settings.
  89         MAKE_CONF="/dev/null"
  90         SRC_CONF="/dev/null"
  91
  92         # The number of make(1) jobs, defaults to the number of CPUs available
  93         # for buildworld, and half of number of CPUs available for buildkernel.
  94         WORLD_FLAGS="-j$(sysctl -n hw.ncpu)"
  95         KERNEL_FLAGS="-j$(( $(( $(sysctl -n hw.ncpu) + 1 )) / 2))"
  96
  97         MAKE_FLAGS="-s"
  98
  99         # The name of the kernel to build, defaults to GENERIC.
 100         KERNEL="GENERIC"
 101
 102         # Set to non-empty value to disable checkout of doc/ and/or ports/.
 103         # Disabling ports/ checkout also forces NODOC to be set.
 104         NODOC=
 105         NOPORTS=
 106
 107         # Set to non-empty value to disable distributing source tree.
 108         NOSRC=
 109
 110         # Set to non-empty value to build dvd1.iso as part of the release.
 111         WITH_DVD=
 112         WITH_COMPRESSED_IMAGES=
 113
 114         # Set to non-empty value to build virtual machine images as part of
 115         # the release.
 116         WITH_VMIMAGES=
 117         WITH_COMPRESSED_VMIMAGES=
 118         XZ_THREADS=0
 119
 120         # Set to non-empty value to build virtual machine images for various
 121         # cloud providers as part of the release.
 122         WITH_CLOUDWARE=
 123
 124         return 0
 125 } # env_setup()
 126
 127 # env_check(): Perform sanity tests on the build environment, such as ensuring
 128 # files/directories exist, as well as adding backwards-compatibility hacks if
 129 # necessary.  This is called unconditionally, and overrides the defaults set
 130 # in env_setup() if '-c <release.conf>' is specified.
 131 env_check() {
 132         chroot_build_release_cmd="chroot_build_release"
 133
 134         # Prefix the branches with the GITROOT for the full checkout URL.
 135         SRC="${GITROOT}${GITSRC}"
 136         DOC="${GITROOT}${GITDOC}"
 137         PORT="${GITROOT}${GITPORTS}"
 138
 139         if [ -n "${EMBEDDEDBUILD}" ]; then
 140                 WITH_DVD=
 141                 WITH_COMPRESSED_IMAGES=
 142                 NODOC=yes
 143                 case ${EMBEDDED_TARGET}:${EMBEDDED_TARGET_ARCH} in
 144                         arm:arm*|arm64:aarch64)
 145                                 chroot_build_release_cmd="chroot_arm_build_release"
 146                                 ;;
 147                         *)
 148                                 ;;
 149                 esac
 150         fi
 151
 152         # If PORTS is set and NODOC is unset, force NODOC=yes because the ports
 153         # tree is required to build the documentation set.
 154         if [ -n "${NOPORTS}" ] && [ -z "${NODOC}" ]; then
 155                 echo "*** NOTICE: Setting NODOC=1 since ports tree is required"
 156                 echo "            and NOPORTS is set."
 157                 NODOC=yes
 158         fi
 159
 160         # If NOSRC, NOPORTS and/or NODOC are unset, they must not pass to make
 161         # as variables.  The release makefile verifies definedness of the
 162         # NOPORTS/NODOC variables instead of their values.
 163         SRCDOCPORTS=
 164         if [ -n "${NOPORTS}" ]; then
 165                 SRCDOCPORTS="NOPORTS=yes"
 166         fi
 167         if [ -n "${NODOC}" ]; then
 168                 SRCDOCPORTS="${SRCDOCPORTS}${SRCDOCPORTS:+ }NODOC=yes"
 169         fi
 170         if [ -n "${NOSRC}" ]; then
 171                 SRCDOCPORTS="${SRCDOCPORTS}${SRCDOCPORTS:+ }NOSRC=yes"
 172         fi
 173
 174         # The aggregated build-time flags based upon variables defined within
 175         # this file, unless overridden by release.conf.  In most cases, these
 176         # will not need to be changed.
 177         CONF_FILES="__MAKE_CONF=${MAKE_CONF} SRCCONF=${SRC_CONF}"
 178         if [ -n "${TARGET}" ] && [ -n "${TARGET_ARCH}" ]; then
 179                 ARCH_FLAGS="TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}"
 180         else
 181                 ARCH_FLAGS=
 182         fi
 183
 184         if [ -z "${CHROOTDIR}" ]; then
 185                 echo "Please set CHROOTDIR."
 186                 exit 1
 187         fi
 188
 189         if [ $(id -u) -ne 0 ]; then
 190                 echo "Needs to be run as root."
 191                 exit 1
 192         fi
 193
 194         # Unset CHROOTBUILD_SKIP if the chroot(8) does not appear to exist.
 195         if [ ! -z "${CHROOTBUILD_SKIP}" -a ! -e ${CHROOTDIR}/bin/sh ]; then
 196                 CHROOTBUILD_SKIP=
 197         fi
 198
 199         CHROOT_MAKEENV="${CHROOT_MAKEENV} \
 200                 MAKEOBJDIRPREFIX=${CHROOTDIR}/tmp/obj"
 201         CHROOT_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${CONF_FILES}"
 202         CHROOT_IMAKEFLAGS="${WORLD_FLAGS} ${CONF_FILES}"
 203         CHROOT_DMAKEFLAGS="${WORLD_FLAGS} ${CONF_FILES}"
 204         RELEASE_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${ARCH_FLAGS} \
 205                 ${CONF_FILES}"
 206         RELEASE_KMAKEFLAGS="${MAKE_FLAGS} ${KERNEL_FLAGS} \
 207                 KERNCONF=\"${KERNEL}\" ${ARCH_FLAGS} ${CONF_FILES}"
 208         RELEASE_RMAKEFLAGS="${ARCH_FLAGS} \
 209                 KERNCONF=\"${KERNEL}\" ${CONF_FILES} ${SRCDOCPORTS} \
 210                 WITH_DVD=${WITH_DVD} WITH_VMIMAGES=${WITH_VMIMAGES} \
 211                 WITH_CLOUDWARE=${WITH_CLOUDWARE} XZ_THREADS=${XZ_THREADS}"
 212
 213         return 0
 214 } # env_check()
 215
 216 # chroot_setup(): Prepare the build chroot environment for the release build.
 217 chroot_setup() {
 218         load_chroot_env
 219         mkdir -p ${CHROOTDIR}/usr
 220
 221         if [ -z "${SRC_UPDATE_SKIP}" ]; then
 222                 ${VCSCMD} ${SRC} -b ${SRCBRANCH} ${CHROOTDIR}/usr/src
 223         fi
 224         if [ -z "${NODOC}" ] && [ -z "${DOC_UPDATE_SKIP}" ]; then
 225                 ${VCSCMD} ${DOC} -b ${DOCBRANCH} ${CHROOTDIR}/usr/doc
 226         fi
 227         if [ -z "${NOPORTS}" ] && [ -z "${PORTS_UPDATE_SKIP}" ]; then
 228                 ${VCSCMD} ${PORT} -b ${PORTBRANCH} ${CHROOTDIR}/usr/ports
 229         fi
 230
 231         if [ -z "${CHROOTBUILD_SKIP}" ]; then
 232                 cd ${CHROOTDIR}/usr/src
 233                 env ${CHROOT_MAKEENV} make ${CHROOT_WMAKEFLAGS} buildworld
 234                 env ${CHROOT_MAKEENV} make ${CHROOT_IMAKEFLAGS} installworld \
 235                         DESTDIR=${CHROOTDIR}
 236                 env ${CHROOT_MAKEENV} make ${CHROOT_DMAKEFLAGS} distribution \
 237                         DESTDIR=${CHROOTDIR}
 238         fi
 239
 240         return 0
 241 } # chroot_setup()
 242
 243 # extra_chroot_setup(): Prepare anything additional within the build
 244 # necessary for the release build.
 245 extra_chroot_setup() {
 246         mkdir -p ${CHROOTDIR}/dev
 247         mount -t devfs devfs ${CHROOTDIR}/dev
 248         [ -e /etc/resolv.conf -a ! -e ${CHROOTDIR}/etc/resolv.conf ] && \
 249                 cp /etc/resolv.conf ${CHROOTDIR}/etc/resolv.conf
 250         # Run ldconfig(8) in the chroot directory so /var/run/ld-elf*.so.hints
 251         # is created.  This is needed by ports-mgmt/pkg.
 252         eval chroot ${CHROOTDIR} /etc/rc.d/ldconfig forcerestart
 253
 254         # If MAKE_CONF and/or SRC_CONF are set and not character devices
 255         # (/dev/null), copy them to the chroot.
 256         if [ -e ${MAKE_CONF} ] && [ ! -c ${MAKE_CONF} ]; then
 257                 mkdir -p ${CHROOTDIR}/$(dirname ${MAKE_CONF})
 258                 cp ${MAKE_CONF} ${CHROOTDIR}/${MAKE_CONF}
 259         fi
 260         if [ -e ${SRC_CONF} ] && [ ! -c ${SRC_CONF} ]; then
 261                 mkdir -p ${CHROOTDIR}/$(dirname ${SRC_CONF})
 262                 cp ${SRC_CONF} ${CHROOTDIR}/${SRC_CONF}
 263         fi
 264
 265         # Install git from ports or packages if the ports tree is
 266         # available and VCSCMD is unset.
 267         if [ -d ${CHROOTDIR}/usr/ports ]; then
 268                 # Trick the ports 'run-autotools-fixup' target to do the right
 269                 # thing.
 270                 _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 271                 REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 272                 BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 273                 UNAME_r=${REVISION}-${BRANCH}
 274                 GITUNSETOPTS="CONTRIB CURL CVS GITWEB GUI HTMLDOCS"
 275                 GITUNSETOPTS="${GITUNSETOPTS} ICONV NLS P4 PERL"
 276                 GITUNSETOPTS="${GITUNSETOPTS} SEND_EMAIL SUBTREE SVN"
 277                 GITUNSETOPTS="${GITUNSETOPTS} PCRE PCRE2"
 278                 eval chroot ${CHROOTDIR} env OPTIONS_UNSET="${GITUNSETOPTS}" \
 279                         make -C /usr/ports/devel/git FORCE_PKG_REGISTER=1 \
 280                         WRKDIRPREFIX=/tmp/ports \
 281                         DISTDIR=/tmp/distfiles \
 282                         install clean distclean
 283         fi
 284         if [ -d ${CHROOTDIR}/usr/ports ]; then
 285                 # Trick the ports 'run-autotools-fixup' target to do the right
 286                 # thing.
 287                 _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 288                 REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 289                 BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 290                 UNAME_r=${REVISION}-${BRANCH}
 291                 if [ -d ${CHROOTDIR}/usr/doc ] && [ -z "${NODOC}" ]; then
 292                         PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
 293                         PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
 294                         PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
 295                         PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
 296                         PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
 297                         chroot ${CHROOTDIR} env ${PBUILD_FLAGS} \
 298                                 OPTIONS_UNSET="AVAHI FOP IGOR" make -C \
 299                                 /usr/ports/textproc/docproj \
 300                                 FORCE_PKG_REGISTER=1 \
 301                                 install clean distclean
 302                 fi
 303         fi
 304
 305         if [ ! -z "${EMBEDDEDPORTS}" ]; then
 306                 _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 307                 REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 308                 BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 309                 PBUILD_FLAGS="OSVERSION=${_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 ${EMBEDDEDPORTS}; 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         fi
 320
 321         buildenv_setup
 322
 323         return 0
 324 } # extra_chroot_setup()
 325
 326 # chroot_build_target(): Build the userland and kernel for the build target.
 327 chroot_build_target() {
 328         load_target_env
 329         if [ ! -z "${EMBEDDEDBUILD}" ]; then
 330                 RELEASE_WMAKEFLAGS="${RELEASE_WMAKEFLAGS} \
 331                         TARGET=${EMBEDDED_TARGET} \
 332                         TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 333                 RELEASE_KMAKEFLAGS="${RELEASE_KMAKEFLAGS} \
 334                         TARGET=${EMBEDDED_TARGET} \
 335                         TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 336         fi
 337         eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_WMAKEFLAGS} buildworld
 338         eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_KMAKEFLAGS} buildkernel
 339
 340         return 0
 341 } # chroot_build_target
 342
 343 # chroot_build_release(): Invoke the 'make release' target.
 344 chroot_build_release() {
 345         load_target_env
 346         if [ ! -z "${WITH_VMIMAGES}" ]; then
 347                 if [ -z "${VMFORMATS}" ]; then
 348                         VMFORMATS="$(eval chroot ${CHROOTDIR} \
 349                                 make -C /usr/src/release -V VMFORMATS)"
 350                 fi
 351                 if [ -z "${VMSIZE}" ]; then
 352                         VMSIZE="$(eval chroot ${CHROOTDIR} \
 353                                 make -C /usr/src/release -V VMSIZE)"
 354                 fi
 355                 RELEASE_RMAKEFLAGS="${RELEASE_RMAKEFLAGS} \
 356                         VMFORMATS=\"${VMFORMATS}\" VMSIZE=${VMSIZE}"
 357         fi
 358         eval chroot ${CHROOTDIR} make -C /usr/src/release \
 359                 ${RELEASE_RMAKEFLAGS} release
 360         eval chroot ${CHROOTDIR} make -C /usr/src/release \
 361                 ${RELEASE_RMAKEFLAGS} install DESTDIR=/R \
 362                 WITH_COMPRESSED_IMAGES=${WITH_COMPRESSED_IMAGES} \
 363                 WITH_COMPRESSED_VMIMAGES=${WITH_COMPRESSED_VMIMAGES}
 364
 365         return 0
 366 } # chroot_build_release()
 367
 368 efi_boot_name()
 369 {
 370         case $1 in
 371                 arm)
 372                         echo "bootarm.efi"
 373                         ;;
 374                 arm64)
 375                         echo "bootaa64.efi"
 376                         ;;
 377                 amd64)
 378                         echo "bootx64.efi"
 379                         ;;
 380         esac
 381 }
 382
 383 # chroot_arm_build_release(): Create arm SD card image.
 384 chroot_arm_build_release() {
 385         load_target_env
 386         case ${EMBEDDED_TARGET} in
 387                 arm|arm64)
 388                         if [ -e "${RELENGDIR}/tools/arm.subr" ]; then
 389                                 . "${RELENGDIR}/tools/arm.subr"
 390                         fi
 391                         ;;
 392                 *)
 393                         ;;
 394         esac
 395         [ ! -z "${RELEASECONF}" ] && . "${RELEASECONF}"
 396         export MAKE_FLAGS="${MAKE_FLAGS} TARGET=${EMBEDDED_TARGET}"
 397         export MAKE_FLAGS="${MAKE_FLAGS} TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 398         export MAKE_FLAGS="${MAKE_FLAGS} ${CONF_FILES}"
 399         eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release obj
 400         export WORLDDIR="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release -V WORLDDIR)"
 401         export OBJDIR="$(eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release -V .OBJDIR)"
 402         export DESTDIR="${OBJDIR}/${KERNEL}"
 403         export IMGBASE="${CHROOTDIR}/${OBJDIR}/${BOARDNAME}.img"
 404         export OSRELEASE="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release \
 405                 TARGET=${EMBEDDED_TARGET} TARGET_ARCH=${EMBEDDED_TARGET_ARCH} \
 406                 -V OSRELEASE)"
 407         chroot ${CHROOTDIR} mkdir -p ${DESTDIR}
 408         chroot ${CHROOTDIR} truncate -s ${IMAGE_SIZE} ${IMGBASE##${CHROOTDIR}}
 409         export mddev=$(chroot ${CHROOTDIR} \
 410                 mdconfig -f ${IMGBASE##${CHROOTDIR}} ${MD_ARGS})
 411         arm_create_disk
 412         arm_install_base
 413         arm_install_boot
 414         arm_install_uboot
 415         mdconfig -d -u ${mddev}
 416         chroot ${CHROOTDIR} rmdir ${DESTDIR}
 417         mv ${IMGBASE} ${CHROOTDIR}/${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img
 418         chroot ${CHROOTDIR} mkdir -p /R
 419         chroot ${CHROOTDIR} cp -p ${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img \
 420                 /R/${OSRELEASE}-${BOARDNAME}.img
 421         chroot ${CHROOTDIR} xz -T ${XZ_THREADS} /R/${OSRELEASE}-${BOARDNAME}.img
 422         cd ${CHROOTDIR}/R && sha512 ${OSRELEASE}* \
 423                 > CHECKSUM.SHA512
 424         cd ${CHROOTDIR}/R && sha256 ${OSRELEASE}* \
 425                 > CHECKSUM.SHA256
 426
 427         return 0
 428 } # chroot_arm_build_release()
 429
 430 # main(): Start here.
 431 main() {
 432         set -e # Everything must succeed
 433         env_setup
 434         while getopts c: opt; do
 435                 case ${opt} in
 436                         c)
 437                                 RELEASECONF="$(realpath ${OPTARG})"
 438                                 ;;
 439                         \?)
 440                                 usage
 441                                 ;;
 442                 esac
 443         done
 444         shift $(($OPTIND - 1))
 445         if [ ! -z "${RELEASECONF}" ]; then
 446                 if [ -e "${RELEASECONF}" ]; then
 447                         . ${RELEASECONF}
 448                 else
 449                         echo "Nonexistent configuration file: ${RELEASECONF}"
 450                         echo "Using default build environment."
 451                 fi
 452         fi
 453         env_check
 454         trap "umount ${CHROOTDIR}/dev" EXIT # Clean up devfs mount on exit
 455         chroot_setup
 456         extra_chroot_setup
 457         chroot_build_target
 458         ${chroot_build_release_cmd}
 459
 460         return 0
 461 } # main()
 462
 463 main "${@}"