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         # Find the Subversion binary to use.  This is a workaround to use
  69         # the source of truth for the ports tree, as the conversion to Git
  70         # is targeted to occur slightly after the currently-scheduled 13.0
  71         # release.
  72         for _dir in /usr/bin /usr/local/bin; do
  73                 for _svn in svn svnlite; do
  74                         [ -x "${_dir}/${_svn}" ] && SVNCMD="${_dir}/${_svn}"
  75                         [ ! -z "${SVNCMD}" ] && break 2
  76                 done
  77         done
  78
  79         if [ -z "${VCSCMD}" -a -z "${NOGIT}" ]; then
  80                 echo "*** The devel/git port/package is required."
  81                 exit 1
  82         fi
  83         VCSCMD="/usr/local/bin/git clone -q"
  84
  85         # The default git checkout server, and branches for src/, doc/,
  86         # and ports/.
  87         GITROOT="https://git.FreeBSD.org/"
  88         SRCBRANCH="main"
  89         PORTBRANCH="head"
  90         GITSRC="src.git"
  91         GITPORTS="ports.git"
  92
  93         # Set for embedded device builds.
  94         EMBEDDEDBUILD=
  95
  96         # The default make.conf and src.conf to use.  Set to /dev/null
  97         # by default to avoid polluting the chroot(8) environment with
  98         # non-default settings.
  99         MAKE_CONF="/dev/null"
 100         SRC_CONF="/dev/null"
 101
 102         # The number of make(1) jobs, defaults to the number of CPUs available
 103         # for buildworld, and half of number of CPUs available for buildkernel.
 104         WORLD_FLAGS="-j$(sysctl -n hw.ncpu)"
 105         KERNEL_FLAGS="-j$(( $(( $(sysctl -n hw.ncpu) + 1 )) / 2))"
 106
 107         MAKE_FLAGS="-s"
 108
 109         # The name of the kernel to build, defaults to GENERIC.
 110         KERNEL="GENERIC"
 111
 112         # Set to non-empty value to disable checkout of doc/ and/or ports/.
 113         NOPORTS=
 114
 115         # Set to non-empty value to disable distributing source tree.
 116         NOSRC=
 117
 118         # Set to non-empty value to build dvd1.iso as part of the release.
 119         WITH_DVD=
 120         WITH_COMPRESSED_IMAGES=
 121
 122         # Set to non-empty value to build virtual machine images as part of
 123         # the release.
 124         WITH_VMIMAGES=
 125         WITH_COMPRESSED_VMIMAGES=
 126         XZ_THREADS=0
 127
 128         # Set to non-empty value to build virtual machine images for various
 129         # cloud providers as part of the release.
 130         WITH_CLOUDWARE=
 131
 132         return 0
 133 } # env_setup()
 134
 135 # env_check(): Perform sanity tests on the build environment, such as ensuring
 136 # files/directories exist, as well as adding backwards-compatibility hacks if
 137 # necessary.  This is called unconditionally, and overrides the defaults set
 138 # in env_setup() if '-c <release.conf>' is specified.
 139 env_check() {
 140         chroot_build_release_cmd="chroot_build_release"
 141
 142         # Prefix the branches with the GITROOT for the full checkout URL.
 143         SRC="${GITROOT}${GITSRC}"
 144         #PORT="${GITROOT}${GITPORTS}"
 145         PORT="svn://svn.freebsd.org/ports/"
 146
 147         if [ -n "${EMBEDDEDBUILD}" ]; then
 148                 WITH_DVD=
 149                 WITH_COMPRESSED_IMAGES=
 150                 case ${EMBEDDED_TARGET}:${EMBEDDED_TARGET_ARCH} in
 151                         arm:arm*|arm64:aarch64|riscv:riscv64*)
 152                                 chroot_build_release_cmd="chroot_arm_build_release"
 153                                 ;;
 154                         *)
 155                                 ;;
 156                 esac
 157         fi
 158
 159         # If NOSRC and/or NOPORTS are unset, they must not pass to make
 160         # as variables.  The release makefile verifies definedness of the
 161         # NOPORTS variable instead of its value.
 162         SRCPORTS=
 163         if [ -n "${NOPORTS}" ]; then
 164                 SRCPORTS="NOPORTS=yes"
 165         fi
 166         if [ -n "${NOSRC}" ]; then
 167                 SRCPORTS="${SRCPORTS}${SRCPORTS:+ }NOSRC=yes"
 168         fi
 169
 170         # The aggregated build-time flags based upon variables defined within
 171         # this file, unless overridden by release.conf.  In most cases, these
 172         # will not need to be changed.
 173         CONF_FILES="__MAKE_CONF=${MAKE_CONF} SRCCONF=${SRC_CONF}"
 174         NOCONF_FILES="__MAKE_CONF=/dev/null SRCCONF=/dev/null"
 175         if [ -n "${TARGET}" ] && [ -n "${TARGET_ARCH}" ]; then
 176                 ARCH_FLAGS="TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}"
 177         else
 178                 ARCH_FLAGS=
 179         fi
 180
 181         if [ -z "${CHROOTDIR}" ]; then
 182                 echo "Please set CHROOTDIR."
 183                 exit 1
 184         fi
 185
 186         if [ $(id -u) -ne 0 ]; then
 187                 echo "Needs to be run as root."
 188                 exit 1
 189         fi
 190
 191         # Unset CHROOTBUILD_SKIP if the chroot(8) does not appear to exist.
 192         if [ ! -z "${CHROOTBUILD_SKIP}" -a ! -e ${CHROOTDIR}/bin/sh ]; then
 193                 CHROOTBUILD_SKIP=
 194         fi
 195
 196         CHROOT_MAKEENV="${CHROOT_MAKEENV} \
 197                 MAKEOBJDIRPREFIX=${CHROOTDIR}/tmp/obj"
 198         CHROOT_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${NOCONF_FILES}"
 199         CHROOT_IMAKEFLAGS="${WORLD_FLAGS} ${NOCONF_FILES}"
 200         CHROOT_DMAKEFLAGS="${WORLD_FLAGS} ${NOCONF_FILES}"
 201         RELEASE_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${ARCH_FLAGS} \
 202                 ${CONF_FILES}"
 203         RELEASE_KMAKEFLAGS="${MAKE_FLAGS} ${KERNEL_FLAGS} \
 204                 KERNCONF=\"${KERNEL}\" ${ARCH_FLAGS} ${CONF_FILES}"
 205         RELEASE_RMAKEFLAGS="${ARCH_FLAGS} \
 206                 KERNCONF=\"${KERNEL}\" ${CONF_FILES} ${SRCPORTS} \
 207                 WITH_DVD=${WITH_DVD} WITH_VMIMAGES=${WITH_VMIMAGES} \
 208                 WITH_CLOUDWARE=${WITH_CLOUDWARE} XZ_THREADS=${XZ_THREADS}"
 209
 210         return 0
 211 } # env_check()
 212
 213 # chroot_setup(): Prepare the build chroot environment for the release build.
 214 chroot_setup() {
 215         load_chroot_env
 216         mkdir -p ${CHROOTDIR}/usr
 217
 218         if [ -z "${SRC_UPDATE_SKIP}" ]; then
 219                 if [ -d "${CHROOTDIR}/usr/src/.git" ]; then
 220                         git -C ${CHROOTDIR}/usr/src pull -q
 221                 else
 222                         ${VCSCMD} ${SRC} -b ${SRCBRANCH} ${CHROOTDIR}/usr/src
 223                 fi
 224         fi
 225         if [ -z "${NOPORTS}" ] && [ -z "${PORTS_UPDATE_SKIP}" ]; then
 226                 # if [ -d "${CHROOTDIR}/usr/ports/.git" ]; then
 227                         # git -C ${CHROOTDIR}/usr/ports pull -q
 228                 # XXX: Workaround for the overlap in the Git conversion timeframe.
 229                 if [ -d "${CHROOTDIR}/usr/ports/.svn" ]; then
 230                         ${SVNCMD} update ${CHROOTDIR}/usr/ports
 231                 else
 232                         #${VCSCMD} ${PORT} -b ${PORTBRANCH} ${CHROOTDIR}/usr/ports
 233                         # XXX: Workaround for the overlap in the Git
 234                         # conversion timeframe.
 235                         ${SVNCMD} co ${PORT}/${PORTBRANCH} ${CHROOTDIR}/usr/ports
 236                 fi
 237         fi
 238
 239         if [ -z "${CHROOTBUILD_SKIP}" ]; then
 240                 cd ${CHROOTDIR}/usr/src
 241                 env ${CHROOT_MAKEENV} make ${CHROOT_WMAKEFLAGS} buildworld
 242                 env ${CHROOT_MAKEENV} make ${CHROOT_IMAKEFLAGS} installworld \
 243                         DESTDIR=${CHROOTDIR}
 244                 env ${CHROOT_MAKEENV} make ${CHROOT_DMAKEFLAGS} distribution \
 245                         DESTDIR=${CHROOTDIR}
 246         fi
 247
 248         return 0
 249 } # chroot_setup()
 250
 251 # extra_chroot_setup(): Prepare anything additional within the build
 252 # necessary for the release build.
 253 extra_chroot_setup() {
 254         mkdir -p ${CHROOTDIR}/dev
 255         mount -t devfs devfs ${CHROOTDIR}/dev
 256         [ -e /etc/resolv.conf -a ! -e ${CHROOTDIR}/etc/resolv.conf ] && \
 257                 cp /etc/resolv.conf ${CHROOTDIR}/etc/resolv.conf
 258         # Run ldconfig(8) in the chroot directory so /var/run/ld-elf*.so.hints
 259         # is created.  This is needed by ports-mgmt/pkg.
 260         eval chroot ${CHROOTDIR} /etc/rc.d/ldconfig forcerestart
 261
 262         # If MAKE_CONF and/or SRC_CONF are set and not character devices
 263         # (/dev/null), copy them to the chroot.
 264         if [ -e ${MAKE_CONF} ] && [ ! -c ${MAKE_CONF} ]; then
 265                 mkdir -p ${CHROOTDIR}/$(dirname ${MAKE_CONF})
 266                 cp ${MAKE_CONF} ${CHROOTDIR}/${MAKE_CONF}
 267         fi
 268         if [ -e ${SRC_CONF} ] && [ ! -c ${SRC_CONF} ]; then
 269                 mkdir -p ${CHROOTDIR}/$(dirname ${SRC_CONF})
 270                 cp ${SRC_CONF} ${CHROOTDIR}/${SRC_CONF}
 271         fi
 272
 273         if [ -z "${NOGIT}" ]; then
 274                 # Install git from ports or packages if the ports tree is
 275                 # available and VCSCMD is unset.
 276                 _gitcmd="$(which git)"
 277                 if [ -d ${CHROOTDIR}/usr/ports -a -z "${_gitcmd}" ]; then
 278                         # Trick the ports 'run-autotools-fixup' target to do the right
 279                         # thing.
 280                         _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 281                         REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 282                         BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 283                         UNAME_r=${REVISION}-${BRANCH}
 284                         GITUNSETOPTS="CONTRIB CURL CVS GITWEB GUI HTMLDOCS"
 285                         GITUNSETOPTS="${GITUNSETOPTS} ICONV NLS P4 PERL"
 286                         GITUNSETOPTS="${GITUNSETOPTS} SEND_EMAIL SUBTREE SVN"
 287                         GITUNSETOPTS="${GITUNSETOPTS} PCRE PCRE2"
 288                         PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
 289                         PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
 290                         PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
 291                         PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
 292                         PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
 293                         eval chroot ${CHROOTDIR} env OPTIONS_UNSET=\"${GITUNSETOPTS}\" \
 294                                 ${PBUILD_FLAGS} \
 295                                 make -C /usr/ports/devel/git FORCE_PKG_REGISTER=1 \
 296                                 WRKDIRPREFIX=/tmp/ports \
 297                                 DISTDIR=/tmp/distfiles \
 298                                 install clean distclean
 299                 else
 300                         eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
 301                                 pkg install -y devel/git
 302                         eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
 303                                 pkg clean -y
 304                 fi
 305         fi
 306
 307         if [ ! -z "${EMBEDDEDPORTS}" ]; then
 308                 _OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 309                 REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 310                 BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 311                 UNAME_r=${REVISION}-${BRANCH}
 312                 PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
 313                 PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
 314                 PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
 315                 PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
 316                 PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
 317                 for _PORT in ${EMBEDDEDPORTS}; do
 318                         eval chroot ${CHROOTDIR} env ${PBUILD_FLAGS} make -C \
 319                                 /usr/ports/${_PORT} \
 320                                 FORCE_PKG_REGISTER=1 deinstall install clean distclean
 321                 done
 322         fi
 323
 324         buildenv_setup
 325
 326         return 0
 327 } # extra_chroot_setup()
 328
 329 # chroot_build_target(): Build the userland and kernel for the build target.
 330 chroot_build_target() {
 331         load_target_env
 332         if [ ! -z "${EMBEDDEDBUILD}" ]; then
 333                 RELEASE_WMAKEFLAGS="${RELEASE_WMAKEFLAGS} \
 334                         TARGET=${EMBEDDED_TARGET} \
 335                         TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 336                 RELEASE_KMAKEFLAGS="${RELEASE_KMAKEFLAGS} \
 337                         TARGET=${EMBEDDED_TARGET} \
 338                         TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 339         fi
 340         eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_WMAKEFLAGS} buildworld
 341         eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_KMAKEFLAGS} buildkernel
 342
 343         return 0
 344 } # chroot_build_target
 345
 346 # chroot_build_release(): Invoke the 'make release' target.
 347 chroot_build_release() {
 348         load_target_env
 349         if [ ! -z "${WITH_VMIMAGES}" ]; then
 350                 if [ -z "${VMFORMATS}" ]; then
 351                         VMFORMATS="$(eval chroot ${CHROOTDIR} \
 352                                 make -C /usr/src/release -V VMFORMATS)"
 353                 fi
 354                 if [ -z "${VMSIZE}" ]; then
 355                         VMSIZE="$(eval chroot ${CHROOTDIR} \
 356                                 make -C /usr/src/release -V VMSIZE)"
 357                 fi
 358                 RELEASE_RMAKEFLAGS="${RELEASE_RMAKEFLAGS} \
 359                         VMFORMATS=\"${VMFORMATS}\" VMSIZE=${VMSIZE}"
 360         fi
 361         eval chroot ${CHROOTDIR} make -C /usr/src/release \
 362                 ${RELEASE_RMAKEFLAGS} release
 363         eval chroot ${CHROOTDIR} make -C /usr/src/release \
 364                 ${RELEASE_RMAKEFLAGS} install DESTDIR=/R \
 365                 WITH_COMPRESSED_IMAGES=${WITH_COMPRESSED_IMAGES} \
 366                 WITH_COMPRESSED_VMIMAGES=${WITH_COMPRESSED_VMIMAGES}
 367
 368         return 0
 369 } # chroot_build_release()
 370
 371 efi_boot_name()
 372 {
 373         case $1 in
 374                 arm)
 375                         echo "bootarm.efi"
 376                         ;;
 377                 arm64)
 378                         echo "bootaa64.efi"
 379                         ;;
 380                 amd64)
 381                         echo "bootx64.efi"
 382                         ;;
 383                 riscv)
 384                         echo "bootriscv64.efi"
 385                         ;;
 386         esac
 387 }
 388
 389 # chroot_arm_build_release(): Create arm SD card image.
 390 chroot_arm_build_release() {
 391         load_target_env
 392         case ${EMBEDDED_TARGET} in
 393                 arm|arm64|riscv)
 394                         if [ -e "${RELENGDIR}/tools/arm.subr" ]; then
 395                                 . "${RELENGDIR}/tools/arm.subr"
 396                         fi
 397                         ;;
 398                 *)
 399                         ;;
 400         esac
 401         [ ! -z "${RELEASECONF}" ] && . "${RELEASECONF}"
 402         export MAKE_FLAGS="${MAKE_FLAGS} TARGET=${EMBEDDED_TARGET}"
 403         export MAKE_FLAGS="${MAKE_FLAGS} TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
 404         export MAKE_FLAGS="${MAKE_FLAGS} ${CONF_FILES}"
 405         eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release obj
 406         export WORLDDIR="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release -V WORLDDIR)"
 407         export OBJDIR="$(eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release -V .OBJDIR)"
 408         export DESTDIR="${OBJDIR}/${KERNEL}"
 409         export IMGBASE="${CHROOTDIR}/${OBJDIR}/${BOARDNAME}.img"
 410         export OSRELEASE="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release \
 411                 TARGET=${EMBEDDED_TARGET} TARGET_ARCH=${EMBEDDED_TARGET_ARCH} \
 412                 -V OSRELEASE)"
 413         chroot ${CHROOTDIR} mkdir -p ${DESTDIR}
 414         chroot ${CHROOTDIR} truncate -s ${IMAGE_SIZE} ${IMGBASE##${CHROOTDIR}}
 415         export mddev=$(chroot ${CHROOTDIR} \
 416                 mdconfig -f ${IMGBASE##${CHROOTDIR}} ${MD_ARGS})
 417         arm_create_disk
 418         arm_install_base
 419         arm_install_boot
 420         arm_install_uboot
 421         mdconfig -d -u ${mddev}
 422         chroot ${CHROOTDIR} rmdir ${DESTDIR}
 423         mv ${IMGBASE} ${CHROOTDIR}/${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img
 424         chroot ${CHROOTDIR} mkdir -p /R
 425         chroot ${CHROOTDIR} cp -p ${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img \
 426                 /R/${OSRELEASE}-${BOARDNAME}.img
 427         chroot ${CHROOTDIR} xz -T ${XZ_THREADS} /R/${OSRELEASE}-${BOARDNAME}.img
 428         cd ${CHROOTDIR}/R && sha512 ${OSRELEASE}* \
 429                 > CHECKSUM.SHA512
 430         cd ${CHROOTDIR}/R && sha256 ${OSRELEASE}* \
 431                 > CHECKSUM.SHA256
 432
 433         return 0
 434 } # chroot_arm_build_release()
 435
 436 # main(): Start here.
 437 main() {
 438         set -e # Everything must succeed
 439         env_setup
 440         while getopts c: opt; do
 441                 case ${opt} in
 442                         c)
 443                                 RELEASECONF="$(realpath ${OPTARG})"
 444                                 ;;
 445                         \?)
 446                                 usage
 447                                 ;;
 448                 esac
 449         done
 450         shift $(($OPTIND - 1))
 451         if [ ! -z "${RELEASECONF}" ]; then
 452                 if [ -e "${RELEASECONF}" ]; then
 453                         . ${RELEASECONF}
 454                 else
 455                         echo "Nonexistent configuration file: ${RELEASECONF}"
 456                         echo "Using default build environment."
 457                 fi
 458         fi
 459         env_check
 460         trap "umount ${CHROOTDIR}/dev" EXIT # Clean up devfs mount on exit
 461         chroot_setup
 462         extra_chroot_setup
 463         chroot_build_target
 464         ${chroot_build_release_cmd}
 465
 466         return 0
 467 } # main()
 468
 469 main "${@}"