xref: /freebsd/release/release.sh (revision 3110d4ebd6c0848cf5e25890d01791bb407e2a9b)
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
38export PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin"
39
40VERSION=3
41
42# Prototypes that can be redefined per-chroot or per-target.
43load_chroot_env() { }
44load_target_env() { }
45buildenv_setup() { }
46
47usage() {
48	echo "Usage: $0 [-c release.conf]"
49	exit 1
50}
51
52# env_setup(): Set up the default build environment variables, such as the
53# CHROOTDIR, VCSCMD, GITROOT, etc.  This is called before the release.conf
54# file is sourced, if '-c <release.conf>' is specified.
55env_setup() {
56	# The directory within which the release will be built.
57	CHROOTDIR="/scratch"
58	if [ -z "${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 "${NOGIT}" ]; then
80		echo "*** The devel/git port/package is required."
81		exit 1
82	fi
83	VCSCMD="/usr/local/bin/git clone -q"
84
85	# The default git checkout server, and branches for src/, doc/,
86	# and ports/.
87	GITROOT="https://git.FreeBSD.org/"
88	SRCBRANCH="main"
89	DOCBRANCH="main"
90	PORTBRANCH="head"
91	GITSRC="src.git"
92	GITPORTS="ports.git"
93	GITDOC="doc.git"
94
95	# Set for embedded device builds.
96	EMBEDDEDBUILD=
97
98	# The default make.conf and src.conf to use.  Set to /dev/null
99	# by default to avoid polluting the chroot(8) environment with
100	# non-default settings.
101	MAKE_CONF="/dev/null"
102	SRC_CONF="/dev/null"
103
104	# The number of make(1) jobs, defaults to the number of CPUs available
105	# for buildworld, and half of number of CPUs available for buildkernel.
106	WORLD_FLAGS="-j$(sysctl -n hw.ncpu)"
107	KERNEL_FLAGS="-j$(( $(( $(sysctl -n hw.ncpu) + 1 )) / 2))"
108
109	MAKE_FLAGS="-s"
110
111	# The name of the kernel to build, defaults to GENERIC.
112	KERNEL="GENERIC"
113
114	# Set to non-empty value to disable checkout of doc/ and/or ports/.
115	# Disabling ports/ checkout also forces NODOC to be set.
116	NODOC=
117	NOPORTS=
118
119	# Set to non-empty value to disable distributing source tree.
120	NOSRC=
121
122	# Set to non-empty value to build dvd1.iso as part of the release.
123	WITH_DVD=
124	WITH_COMPRESSED_IMAGES=
125
126	# Set to non-empty value to build virtual machine images as part of
127	# the release.
128	WITH_VMIMAGES=
129	WITH_COMPRESSED_VMIMAGES=
130	XZ_THREADS=0
131
132	# Set to non-empty value to build virtual machine images for various
133	# cloud providers as part of the release.
134	WITH_CLOUDWARE=
135
136	return 0
137} # env_setup()
138
139# env_check(): Perform sanity tests on the build environment, such as ensuring
140# files/directories exist, as well as adding backwards-compatibility hacks if
141# necessary.  This is called unconditionally, and overrides the defaults set
142# in env_setup() if '-c <release.conf>' is specified.
143env_check() {
144	chroot_build_release_cmd="chroot_build_release"
145
146	# Prefix the branches with the GITROOT for the full checkout URL.
147	SRC="${GITROOT}${GITSRC}"
148	DOC="${GITROOT}${GITDOC}"
149	#PORT="${GITROOT}${GITPORTS}"
150	PORT="svn://svn.freebsd.org/ports/"
151
152	if [ -n "${EMBEDDEDBUILD}" ]; then
153		WITH_DVD=
154		WITH_COMPRESSED_IMAGES=
155		NODOC=yes
156		case ${EMBEDDED_TARGET}:${EMBEDDED_TARGET_ARCH} in
157			arm:arm*|arm64:aarch64|riscv:riscv64*)
158				chroot_build_release_cmd="chroot_arm_build_release"
159				;;
160			*)
161				;;
162		esac
163	fi
164
165	# If PORTS is set and NODOC is unset, force NODOC=yes because the ports
166	# tree is required to build the documentation set.
167	if [ -n "${NOPORTS}" ] && [ -z "${NODOC}" ]; then
168		echo "*** NOTICE: Setting NODOC=1 since ports tree is required"
169		echo "            and NOPORTS is set."
170		NODOC=yes
171	fi
172
173	# If NOSRC, NOPORTS and/or NODOC are unset, they must not pass to make
174	# as variables.  The release makefile verifies definedness of the
175	# NOPORTS/NODOC variables instead of their values.
176	SRCDOCPORTS=
177	if [ -n "${NOPORTS}" ]; then
178		SRCDOCPORTS="NOPORTS=yes"
179	fi
180	if [ -n "${NODOC}" ]; then
181		SRCDOCPORTS="${SRCDOCPORTS}${SRCDOCPORTS:+ }NODOC=yes"
182	fi
183	if [ -n "${NOSRC}" ]; then
184		SRCDOCPORTS="${SRCDOCPORTS}${SRCDOCPORTS:+ }NOSRC=yes"
185	fi
186
187	# The aggregated build-time flags based upon variables defined within
188	# this file, unless overridden by release.conf.  In most cases, these
189	# will not need to be changed.
190	CONF_FILES="__MAKE_CONF=${MAKE_CONF} SRCCONF=${SRC_CONF}"
191	if [ -n "${TARGET}" ] && [ -n "${TARGET_ARCH}" ]; then
192		ARCH_FLAGS="TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}"
193	else
194		ARCH_FLAGS=
195	fi
196
197	if [ -z "${CHROOTDIR}" ]; then
198		echo "Please set CHROOTDIR."
199		exit 1
200	fi
201
202	if [ $(id -u) -ne 0 ]; then
203		echo "Needs to be run as root."
204		exit 1
205	fi
206
207	# Unset CHROOTBUILD_SKIP if the chroot(8) does not appear to exist.
208	if [ ! -z "${CHROOTBUILD_SKIP}" -a ! -e ${CHROOTDIR}/bin/sh ]; then
209		CHROOTBUILD_SKIP=
210	fi
211
212	CHROOT_MAKEENV="${CHROOT_MAKEENV} \
213		MAKEOBJDIRPREFIX=${CHROOTDIR}/tmp/obj"
214	CHROOT_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${CONF_FILES}"
215	CHROOT_IMAKEFLAGS="${WORLD_FLAGS} ${CONF_FILES}"
216	CHROOT_DMAKEFLAGS="${WORLD_FLAGS} ${CONF_FILES}"
217	RELEASE_WMAKEFLAGS="${MAKE_FLAGS} ${WORLD_FLAGS} ${ARCH_FLAGS} \
218		${CONF_FILES}"
219	RELEASE_KMAKEFLAGS="${MAKE_FLAGS} ${KERNEL_FLAGS} \
220		KERNCONF=\"${KERNEL}\" ${ARCH_FLAGS} ${CONF_FILES}"
221	RELEASE_RMAKEFLAGS="${ARCH_FLAGS} \
222		KERNCONF=\"${KERNEL}\" ${CONF_FILES} ${SRCDOCPORTS} \
223		WITH_DVD=${WITH_DVD} WITH_VMIMAGES=${WITH_VMIMAGES} \
224		WITH_CLOUDWARE=${WITH_CLOUDWARE} XZ_THREADS=${XZ_THREADS}"
225
226	return 0
227} # env_check()
228
229# chroot_setup(): Prepare the build chroot environment for the release build.
230chroot_setup() {
231	load_chroot_env
232	mkdir -p ${CHROOTDIR}/usr
233
234	if [ -z "${SRC_UPDATE_SKIP}" ]; then
235		if [ -d "${CHROOTDIR}/usr/src/.git" ]; then
236			git -C ${CHROOTDIR}/usr/src pull -q
237		else
238			${VCSCMD} ${SRC} -b ${SRCBRANCH} ${CHROOTDIR}/usr/src
239		fi
240	fi
241	if [ -z "${NODOC}" ] && [ -z "${DOC_UPDATE_SKIP}" ]; then
242		if [ -d "${CHROOTDIR}/usr/doc/.git" ]; then
243			git -C ${CHROOTDIR}/usr/doc pull -q
244		else
245			${VCSCMD} ${DOC} -b ${DOCBRANCH} ${CHROOTDIR}/usr/doc
246		fi
247	fi
248	if [ -z "${NOPORTS}" ] && [ -z "${PORTS_UPDATE_SKIP}" ]; then
249		if [ -d "${CHROOTDIR}/usr/ports/.git" ]; then
250			git -C ${CHROOTDIR}/usr/ports pull -q
251		else
252			#${VCSCMD} ${PORT} -b ${PORTBRANCH} ${CHROOTDIR}/usr/ports
253			# XXX: Workaround for the overlap in the Git
254			# conversion timeframe.
255			${SVNCMD} co ${PORT}/${PORTBRANCH} ${CHROOTDIR}/usr/ports
256		fi
257	fi
258
259	if [ -z "${CHROOTBUILD_SKIP}" ]; then
260		cd ${CHROOTDIR}/usr/src
261		env ${CHROOT_MAKEENV} make ${CHROOT_WMAKEFLAGS} buildworld
262		env ${CHROOT_MAKEENV} make ${CHROOT_IMAKEFLAGS} installworld \
263			DESTDIR=${CHROOTDIR}
264		env ${CHROOT_MAKEENV} make ${CHROOT_DMAKEFLAGS} distribution \
265			DESTDIR=${CHROOTDIR}
266	fi
267
268	return 0
269} # chroot_setup()
270
271# extra_chroot_setup(): Prepare anything additional within the build
272# necessary for the release build.
273extra_chroot_setup() {
274	mkdir -p ${CHROOTDIR}/dev
275	mount -t devfs devfs ${CHROOTDIR}/dev
276	[ -e /etc/resolv.conf -a ! -e ${CHROOTDIR}/etc/resolv.conf ] && \
277		cp /etc/resolv.conf ${CHROOTDIR}/etc/resolv.conf
278	# Run ldconfig(8) in the chroot directory so /var/run/ld-elf*.so.hints
279	# is created.  This is needed by ports-mgmt/pkg.
280	eval chroot ${CHROOTDIR} /etc/rc.d/ldconfig forcerestart
281
282	# If MAKE_CONF and/or SRC_CONF are set and not character devices
283	# (/dev/null), copy them to the chroot.
284	if [ -e ${MAKE_CONF} ] && [ ! -c ${MAKE_CONF} ]; then
285		mkdir -p ${CHROOTDIR}/$(dirname ${MAKE_CONF})
286		cp ${MAKE_CONF} ${CHROOTDIR}/${MAKE_CONF}
287	fi
288	if [ -e ${SRC_CONF} ] && [ ! -c ${SRC_CONF} ]; then
289		mkdir -p ${CHROOTDIR}/$(dirname ${SRC_CONF})
290		cp ${SRC_CONF} ${CHROOTDIR}/${SRC_CONF}
291	fi
292
293	if [ -z "${NOGIT}" ]; then
294		# Install git from ports or packages if the ports tree is
295		# available and VCSCMD is unset.
296		_gitcmd="$(which git)"
297		if [ -d ${CHROOTDIR}/usr/ports -a -z "${_gitcmd}" ]; then
298			# Trick the ports 'run-autotools-fixup' target to do the right
299			# thing.
300			_OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
301			REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
302			BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
303			UNAME_r=${REVISION}-${BRANCH}
304			GITUNSETOPTS="CONTRIB CURL CVS GITWEB GUI HTMLDOCS"
305			GITUNSETOPTS="${GITUNSETOPTS} ICONV NLS P4 PERL"
306			GITUNSETOPTS="${GITUNSETOPTS} SEND_EMAIL SUBTREE SVN"
307			GITUNSETOPTS="${GITUNSETOPTS} PCRE PCRE2"
308			eval chroot ${CHROOTDIR} env OPTIONS_UNSET=\"${GITUNSETOPTS}\" \
309				make -C /usr/ports/devel/git FORCE_PKG_REGISTER=1 \
310				WRKDIRPREFIX=/tmp/ports \
311				DISTDIR=/tmp/distfiles \
312				install clean distclean
313		else
314			eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
315				pkg install -y devel/git
316			eval chroot ${CHROOTDIR} env ASSUME_ALWAYS_YES=yes \
317				pkg clean -y
318		fi
319	fi
320	if [ -d ${CHROOTDIR}/usr/ports ]; then
321		# Trick the ports 'run-autotools-fixup' target to do the right
322		# thing.
323		_OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
324		REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
325		BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
326		UNAME_r=${REVISION}-${BRANCH}
327		if [ -d ${CHROOTDIR}/usr/doc ] && [ -z "${NODOC}" ]; then
328			PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
329			PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
330			PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
331			PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
332			PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
333			chroot ${CHROOTDIR} env ${PBUILD_FLAGS} \
334				OPTIONS_UNSET="AVAHI FOP IGOR" make -C \
335				/usr/ports/textproc/docproj \
336				FORCE_PKG_REGISTER=1 \
337				install clean distclean
338		fi
339	fi
340
341	if [ ! -z "${EMBEDDEDPORTS}" ]; then
342		_OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
343		REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
344		BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
345		PBUILD_FLAGS="OSVERSION=${_OSVERSION} BATCH=yes"
346		PBUILD_FLAGS="${PBUILD_FLAGS} UNAME_r=${UNAME_r}"
347		PBUILD_FLAGS="${PBUILD_FLAGS} OSREL=${REVISION}"
348		PBUILD_FLAGS="${PBUILD_FLAGS} WRKDIRPREFIX=/tmp/ports"
349		PBUILD_FLAGS="${PBUILD_FLAGS} DISTDIR=/tmp/distfiles"
350		for _PORT in ${EMBEDDEDPORTS}; do
351			eval chroot ${CHROOTDIR} env ${PBUILD_FLAGS} make -C \
352				/usr/ports/${_PORT} \
353				FORCE_PKG_REGISTER=1 deinstall install clean distclean
354		done
355	fi
356
357	buildenv_setup
358
359	return 0
360} # extra_chroot_setup()
361
362# chroot_build_target(): Build the userland and kernel for the build target.
363chroot_build_target() {
364	load_target_env
365	if [ ! -z "${EMBEDDEDBUILD}" ]; then
366		RELEASE_WMAKEFLAGS="${RELEASE_WMAKEFLAGS} \
367			TARGET=${EMBEDDED_TARGET} \
368			TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
369		RELEASE_KMAKEFLAGS="${RELEASE_KMAKEFLAGS} \
370			TARGET=${EMBEDDED_TARGET} \
371			TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
372	fi
373	eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_WMAKEFLAGS} buildworld
374	eval chroot ${CHROOTDIR} make -C /usr/src ${RELEASE_KMAKEFLAGS} buildkernel
375
376	return 0
377} # chroot_build_target
378
379# chroot_build_release(): Invoke the 'make release' target.
380chroot_build_release() {
381	load_target_env
382	if [ ! -z "${WITH_VMIMAGES}" ]; then
383		if [ -z "${VMFORMATS}" ]; then
384			VMFORMATS="$(eval chroot ${CHROOTDIR} \
385				make -C /usr/src/release -V VMFORMATS)"
386		fi
387		if [ -z "${VMSIZE}" ]; then
388			VMSIZE="$(eval chroot ${CHROOTDIR} \
389				make -C /usr/src/release -V VMSIZE)"
390		fi
391		RELEASE_RMAKEFLAGS="${RELEASE_RMAKEFLAGS} \
392			VMFORMATS=\"${VMFORMATS}\" VMSIZE=${VMSIZE}"
393	fi
394	eval chroot ${CHROOTDIR} make -C /usr/src/release \
395		${RELEASE_RMAKEFLAGS} release
396	eval chroot ${CHROOTDIR} make -C /usr/src/release \
397		${RELEASE_RMAKEFLAGS} install DESTDIR=/R \
398		WITH_COMPRESSED_IMAGES=${WITH_COMPRESSED_IMAGES} \
399		WITH_COMPRESSED_VMIMAGES=${WITH_COMPRESSED_VMIMAGES}
400
401	return 0
402} # chroot_build_release()
403
404efi_boot_name()
405{
406	case $1 in
407		arm)
408			echo "bootarm.efi"
409			;;
410		arm64)
411			echo "bootaa64.efi"
412			;;
413		amd64)
414			echo "bootx64.efi"
415			;;
416		riscv)
417			echo "bootriscv64.efi"
418			;;
419	esac
420}
421
422# chroot_arm_build_release(): Create arm SD card image.
423chroot_arm_build_release() {
424	load_target_env
425	case ${EMBEDDED_TARGET} in
426		arm|arm64|riscv)
427			if [ -e "${RELENGDIR}/tools/arm.subr" ]; then
428				. "${RELENGDIR}/tools/arm.subr"
429			fi
430			;;
431		*)
432			;;
433	esac
434	[ ! -z "${RELEASECONF}" ] && . "${RELEASECONF}"
435	export MAKE_FLAGS="${MAKE_FLAGS} TARGET=${EMBEDDED_TARGET}"
436	export MAKE_FLAGS="${MAKE_FLAGS} TARGET_ARCH=${EMBEDDED_TARGET_ARCH}"
437	export MAKE_FLAGS="${MAKE_FLAGS} ${CONF_FILES}"
438	eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release obj
439	export WORLDDIR="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release -V WORLDDIR)"
440	export OBJDIR="$(eval chroot ${CHROOTDIR} env WITH_UNIFIED_OBJDIR=1 make ${MAKE_FLAGS} -C /usr/src/release -V .OBJDIR)"
441	export DESTDIR="${OBJDIR}/${KERNEL}"
442	export IMGBASE="${CHROOTDIR}/${OBJDIR}/${BOARDNAME}.img"
443	export OSRELEASE="$(eval chroot ${CHROOTDIR} make ${MAKE_FLAGS} -C /usr/src/release \
444		TARGET=${EMBEDDED_TARGET} TARGET_ARCH=${EMBEDDED_TARGET_ARCH} \
445		-V OSRELEASE)"
446	chroot ${CHROOTDIR} mkdir -p ${DESTDIR}
447	chroot ${CHROOTDIR} truncate -s ${IMAGE_SIZE} ${IMGBASE##${CHROOTDIR}}
448	export mddev=$(chroot ${CHROOTDIR} \
449		mdconfig -f ${IMGBASE##${CHROOTDIR}} ${MD_ARGS})
450	arm_create_disk
451	arm_install_base
452	arm_install_boot
453	arm_install_uboot
454	mdconfig -d -u ${mddev}
455	chroot ${CHROOTDIR} rmdir ${DESTDIR}
456	mv ${IMGBASE} ${CHROOTDIR}/${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img
457	chroot ${CHROOTDIR} mkdir -p /R
458	chroot ${CHROOTDIR} cp -p ${OBJDIR}/${OSRELEASE}-${BOARDNAME}.img \
459		/R/${OSRELEASE}-${BOARDNAME}.img
460	chroot ${CHROOTDIR} xz -T ${XZ_THREADS} /R/${OSRELEASE}-${BOARDNAME}.img
461	cd ${CHROOTDIR}/R && sha512 ${OSRELEASE}* \
462		> CHECKSUM.SHA512
463	cd ${CHROOTDIR}/R && sha256 ${OSRELEASE}* \
464		> CHECKSUM.SHA256
465
466	return 0
467} # chroot_arm_build_release()
468
469# main(): Start here.
470main() {
471	set -e # Everything must succeed
472	env_setup
473	while getopts c: opt; do
474		case ${opt} in
475			c)
476				RELEASECONF="$(realpath ${OPTARG})"
477				;;
478			\?)
479				usage
480				;;
481		esac
482	done
483	shift $(($OPTIND - 1))
484	if [ ! -z "${RELEASECONF}" ]; then
485		if [ -e "${RELEASECONF}" ]; then
486			. ${RELEASECONF}
487		else
488			echo "Nonexistent configuration file: ${RELEASECONF}"
489			echo "Using default build environment."
490		fi
491	fi
492	env_check
493	trap "umount ${CHROOTDIR}/dev" EXIT # Clean up devfs mount on exit
494	chroot_setup
495	extra_chroot_setup
496	chroot_build_target
497	${chroot_build_release_cmd}
498
499	return 0
500} # main()
501
502main "${@}"
503