Release the evil twin of nanobsd.sh: sysbuild.sh
quoth the README: I have been running -current on my laptop since before FreeBSD 2.0 was released and along the way developed this little trick to making the task easier. sysbuild.sh is a way to build a new FreeBSD system on a computer from a specification, while leaving the current installation intact. sysbuild.sh assume you have two partitions that can hold your rootfs and can be booted, and roughly speaking, all it does is build a new system into the one you don't use, from the one you do use. A partition named /freebsd is assumed to be part of your layout, and that is where the sources and ports will be found. If you know how nanobsd works, you will find a lot of similarity.
This commit is contained in:
Poul-Henning Kamp
parent
a1805f7bb9
commit
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153
tools/tools/sysbuild/README
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153
tools/tools/sysbuild/README
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$FreeBSD$
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About sysbuild.sh
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=================
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I have been running -current on my laptop since before FreeBSD 2.0 was
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released and along the way developed this little trick to making the
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task easier.
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sysbuild.sh is a way to build a new FreeBSD system on a computer from
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a specification, while leaving the current installation intact.
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sysbuild.sh assume you have two partitions that can hold your rootfs
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and can be booted, and roughly speaking, all it does is build a new
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system into the one you don't use, from the one you do use.
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A partition named /freebsd is assumed to be part of your layout, and
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that is where the sources and ports will be found.
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If you know how nanobsd works, you will find a lot of similarity.
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HOWTO
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=====
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In all likelyhood, it is easier if we imagine you start with a blank
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computer.
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Grab a FreeBSD install ISO and boot it.
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Create four disk slices:
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ad0s1 = 5GB
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ad0s2 = 5GB
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ad0s3 = 5GB
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ad0s4 = the rest
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Create a root filesystem in s1a filling the entire ad0s1 slice.
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Create a swap partition, if you want one, in ad0s4b.
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Install the boot0 bootmanager.
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Install the "Minimal" FreeBSD system into ad0s1a.
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Reboot from the newly installed system.
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Run these commands to set up the other partitions sysbuild.sh cares about:
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# /freebsd filesystem
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newfs -b 4096 -f 512 -O2 -U /dev/ad0s3
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echo "/dev/ad0s3 /freebsd ufs rw 2 2" >> /etc/fstab
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mkdir /freebsd
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mount /freebsd
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# deputy rootfilesystem
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bsdlabel -B -w /dev/ad0s2
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newfs -O2 -U /dev/ad0s2a
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Next, install ports and sources:
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cd /usr
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rm -rf ports src
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ln -s /freebsd/src
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ln -s /freebsd/ports
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cd /freebsd
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mkdir ports src packages
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# Or use svn if you prefer
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csup -h cvsup.???.freebsd.org /usr/share/examples/cvsup/ports-supfile
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csup -h cvsup.???.freebsd.org /usr/share/examples/cvsup/stable-supfile
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And we should be ready to try a shot:
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cd /root
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cp /usr/src/tools/tools/sysbuild/sysbuild.sh
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sh sysbuild.sh |& tee _.sb
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If it succeeds, you should be able to:
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boot0cfg -s 2 -v /dev/ad0
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reboot
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And come up with your newly built system.
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Next time you want a new system, you just run sysbuild.sh again
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and boot slice 1 when it's done.
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TWEAKS
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======
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The sysbuild.sh script takes various parameters:
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-c specfile # configure stuff, see below.
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-w # skip buildworld, assume it was done earlier.
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-k # skip buildkernel, ---//---
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-b # skip both buildworld & buildkernel
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-p # install cached packacges if found.
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The specfile is a shellscript where you can override or set a number of
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shell variables and functions.
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A partial example:
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# use a kernel different from GENERIC
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KERNCONF=SMP
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# Cache built packages, so we can use -p
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PKG_DIR=/freebsd/packages
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# Mount ports distfiles from another machine
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REMOTEDISTFILES=fs:/rdonly/distfiles
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# Fetch distfiles through a proxy
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FTP_PROXY=http://127.0.0.1:3128/
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HTTP_PROXY=http://127.0.0.1:3128/
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export FTP_PROXY HTTP_PROXY
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# We want these ports
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PORTS_WE_WANT='
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/usr/ports/archivers/unzip
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/usr/ports/archivers/zip
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/usr/ports/cad/linux-eagle
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/usr/ports/comms/lrzsz
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/usr/ports/databases/rrdtool
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/usr/ports/devel/subversion-freebsd
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'
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# Files to move over
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CONFIGFILES='
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/root/.ssh
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/etc/X11/xorg.conf
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/etc/ssh/ssh_host*
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/etc/rc.conf
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/etc/rc.local
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'
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# Shell functions to tweak things
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# (This makes commits to /etc mostly painless)
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final_chroot() (
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chpass -p "\$1\$IgMjWs2L\$Nu12OCsjfiwHHj0I7TmUN1" root
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pw useradd phk -u 488 -d /home/phk -c "Poul-Henning Kamp" \
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-G "wheel,operator,dialer" -s /bin/csh -w none
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chpass -p "\$1\$VcM.9Ow8\$IcXHs0h9jsk27b8N64lOm/" phk
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sed -i "" -e 's/^DS/DSorigo.freebsd.dk/' /etc/mail/sendmail.cf
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sed -i "" -e '/console/s/^/#/' /etc/syslog.conf
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echo "beastie_disable=YES" >> /boot/loader.conf
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touch /root/.hushlogin
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)
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528
tools/tools/sysbuild/sysbuild.sh
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528
tools/tools/sysbuild/sysbuild.sh
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@ -0,0 +1,528 @@
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#!/bin/sh
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#
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# Copyright (c) 1994-2009 Poul-Henning Kamp.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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set -e
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exec < /dev/null
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if [ `uname -m` = "i386" ] ; then
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TARGET_PART=`df / | sed '
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1d
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s/[ ].*//
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s,/dev/,,
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s,s1a,s3a,
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s,s2a,s1a,
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s,s3a,s2a,
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'`
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# Where our build-bits are to be found
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FREEBSD_PART=`echo $TARGET_PART | sed 's/s[12]a/s3/'`
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else
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TARGET_PART=unknown
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FREEBSD_PART=unknown
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fi
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# Relative to /freebsd
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PORTS_PATH=ports
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SRC_PATH=src
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# OBJ_PATH=obj
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# Name of kernel
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KERNCONF=GENERIC
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# srcconf
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#SRCCONF="SRCCONF=/usr/src/src.conf"
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# -j arg to make(1)
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ncpu=`sysctl -n kern.smp.cpus`
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if [ $ncpu -gt 1 ] ; then
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JARG="-j $ncpu"
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fi
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# serial console ?
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SERCONS=false
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# Remotely mounted distfiles
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# REMOTEDISTFILES=fs:/rdonly/distfiles
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# Proxy
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#FTP_PROXY=http://127.0.0.1:3128/
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#HTTP_PROXY=http://127.0.0.1:3128/
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#export FTP_PROXY HTTP_PROXY
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PORTS_WE_WANT='
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'
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PORTS_OPTS="BATCH=YES MAKE_IDEA=YES A4=yes"
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CONFIGFILES='
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'
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cleanup() (
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)
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before_ports() (
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)
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before_ports_chroot() (
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)
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final_root() (
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)
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final_chroot() (
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)
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#######################################################################
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#######################################################################
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usage () {
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(
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echo "Usage: $0 [-b/-k/-w] [-c config_file]"
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echo " -b suppress builds (both kernel and world)"
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echo " -k suppress buildkernel"
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echo " -w suppress buildworld"
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echo " -p used cached packages"
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echo " -c specify config file"
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) 1>&2
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exit 2
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}
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#######################################################################
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#######################################################################
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if [ ! -f $0 ] ; then
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echo "Must be able to access self ($0)" 1>&2
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exit 1
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fi
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if grep -q 'Magic String: 0`0nQT40W%l,CX&' $0 ; then
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true
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else
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echo "self ($0) does not contain magic string" 1>&2
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exit 1
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fi
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#######################################################################
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set -e
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log_it() (
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set +x
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a="$*"
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set `cat /tmp/_sb_log`
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TX=`date +%s`
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echo "$1 $TX" > /tmp/_sb_log
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DT=`expr $TX - $1 || true`
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DL=`expr $TX - $2 || true`
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echo -n "### `date +%H:%M:%S`"
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printf " ### %5d ### %5d ### %s\n" $DT $DL "$a"
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)
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#######################################################################
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ports_recurse() (
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set +x
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for d
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do
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if [ ! -d $d ] ; then
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echo "Missing port $d" 1>&2
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exit 2
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fi
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if grep -q "^$d\$" /tmp/_.plist ; then
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true
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else
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(
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cd $d
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ports_recurse `make -V _DEPEND_DIRS`
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)
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echo $d >> /tmp/_.plist
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fi
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done
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)
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ports_build() (
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set +x
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true > /tmp/_.plist
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ports_recurse $PORTS_WE_WANT
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# Now build & install them
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for p in `cat /tmp/_.plist`
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do
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t=`echo $p | sed 's,/usr/ports/,,'`
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pn=`cd $p && make package-name`
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if [ "x${PKG_DIR}" != "x" -a -f ${PKG_DIR}/$pn.tbz ] ; then
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if [ "x$use_pkg" = "x-p" ] ; then
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log_it "install $p from ${PKG_DIR}/$pn.tbz"
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pkg_add ${PKG_DIR}/$pn.tbz
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fi
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fi
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i=`pkg_info -qO $t`
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if [ -z "$i" ] ; then
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log_it "build $p"
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b=`echo $p | tr / _`
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(
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set -x
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cd /usr/ports
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cd $p
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set +e
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make clean
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if make install ${PORTS_OPTS} ; then
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if [ "x${PKG_DIR}" != "x" ] ; then
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make package ${PORTS_OPTS}
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mv *.tbz ${PKG_DIR}
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fi
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else
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log_it FAIL build $p
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fi
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make clean
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) > _.$b 2>&1 < /dev/null
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date
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fi
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done
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)
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ports_prefetch() (
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(
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set +x
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ports_recurse $PORTS_WE_WANT
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# Now checksump/fetch them
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for p in `cat /tmp/_.plist`
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do
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b=`echo $p | tr / _`
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(
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cd $p
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if make checksum $PORTS_OPTS ; then
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true
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else
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make distclean
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make checksum $PORTS_OPTS || true
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fi
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) > /mnt/_.prefetch.$b 2>&1
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done
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)
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)
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#######################################################################
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do_world=true
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do_kernel=true
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use_pkg=""
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c_arg=""
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set +e
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args=`getopt bc:hkpw $*`
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if [ $? -ne 0 ] ; then
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usage
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fi
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set -e
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set -- $args
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for i
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do
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case "$i"
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in
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-b)
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shift;
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do_world=false
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do_kernel=false
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;;
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-c)
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c_arg=$2
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if [ ! -f "$c_arg" ] ; then
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echo "Cannot read $c_arg" 1>&2
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||||
usage
|
||||
fi
|
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. "$2"
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shift
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||||
shift
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;;
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-h)
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usage
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;;
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-k)
|
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shift;
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do_kernel=false
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;;
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-p)
|
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shift;
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||||
use_pkg="-p"
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;;
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-w)
|
||||
shift;
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||||
do_world=false
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;;
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||||
--)
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shift
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||||
break;
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||||
;;
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||||
esac
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||||
done
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||||
#######################################################################
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||||
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||||
if [ "x$1" = "xchroot_script" ] ; then
|
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set +x
|
||||
set -e
|
||||
|
||||
shift
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||||
|
||||
before_ports_chroot
|
||||
|
||||
ports_build
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|
||||
exit 0
|
||||
fi
|
||||
|
||||
if [ "x$1" = "xfinal_chroot" ] ; then
|
||||
final_chroot
|
||||
exit 0
|
||||
fi
|
||||
|
||||
if [ $# -gt 0 ] ; then
|
||||
echo "$0: Extraneous arguments supplied"
|
||||
usage
|
||||
fi
|
||||
|
||||
#######################################################################
|
||||
|
||||
T0=`date +%s`
|
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echo $T0 $T0 > /tmp/_sb_log
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||||
|
||||
log_it Unmount everything
|
||||
(
|
||||
( cleanup )
|
||||
umount /freebsd/distfiles || true
|
||||
umount /mnt/freebsd/distfiles || true
|
||||
umount /dev/${FREEBSD_PART} || true
|
||||
umount /mnt/freebsd || true
|
||||
umount /mnt/dev || true
|
||||
umount /mnt || true
|
||||
umount /dev/${TARGET_PART} || true
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) # > /dev/null 2>&1
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||||
|
||||
log_it Prepare running image
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||||
mkdir -p /freebsd
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||||
mount /dev/${FREEBSD_PART} /freebsd
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||||
|
||||
#######################################################################
|
||||
|
||||
if [ ! -d /freebsd/${PORTS_PATH} ] ; then
|
||||
echo PORTS_PATH does not exist 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -d /freebsd/${SRC_PATH} ] ; then
|
||||
echo SRC_PATH does not exist 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
log_it TARGET_PART $TARGET_PART
|
||||
sleep 5
|
||||
|
||||
rm -rf /usr/ports
|
||||
ln -s /freebsd/${PORTS_PATH} /usr/ports
|
||||
|
||||
rm -rf /usr/src
|
||||
ln -s /freebsd/${SRC_PATH} /usr/src
|
||||
|
||||
if $do_world ; then
|
||||
if [ "x${OBJ_PATH}" != "x" ] ; then
|
||||
rm -rf /usr/obj
|
||||
mkdir -p /freebsd/${OBJ_PATH}
|
||||
ln -s /freebsd/${OBJ_PATH} /usr/obj
|
||||
else
|
||||
rm -rf /usr/obj
|
||||
mkdir -p /usr/obj
|
||||
fi
|
||||
fi
|
||||
|
||||
#######################################################################
|
||||
|
||||
for i in ${PORTS_WE_WANT}
|
||||
do
|
||||
if [ ! -d $i ] ; then
|
||||
echo "Port $i not found" 1>&2
|
||||
exit 2
|
||||
fi
|
||||
done
|
||||
|
||||
export PORTS_WE_WANT
|
||||
export PORTS_OPTS
|
||||
|
||||
#######################################################################
|
||||
|
||||
log_it Prepare destination partition
|
||||
newfs -O2 -U /dev/${TARGET_PART} > /dev/null
|
||||
mount /dev/${TARGET_PART} /mnt
|
||||
mkdir -p /mnt/dev
|
||||
mount -t devfs devfs /mnt/dev
|
||||
|
||||
if [ "x${REMOTEDISTFILES}" != "x" ] ; then
|
||||
rm -rf /freebsd/${PORTS_PATH}/distfiles
|
||||
ln -s /freebsd/distfiles /freebsd/${PORTS_PATH}/distfiles
|
||||
mkdir -p /freebsd/distfiles
|
||||
mount ${REMOTEDISTFILES} /freebsd/distfiles
|
||||
fi
|
||||
|
||||
log_it "Start prefetch of ports distfiles"
|
||||
ports_prefetch &
|
||||
|
||||
if $do_world ; then
|
||||
(
|
||||
cd /usr/src
|
||||
log_it "Buildworld"
|
||||
make ${JARG} -s buildworld ${SRCCONF} > /mnt/_.bw 2>&1
|
||||
)
|
||||
fi
|
||||
|
||||
if $do_kernel ; then
|
||||
(
|
||||
cd /usr/src
|
||||
log_it "Buildkernel"
|
||||
make ${JARG} -s buildkernel KERNCONF=$KERNCONF > /mnt/_.bk 2>&1
|
||||
)
|
||||
fi
|
||||
|
||||
|
||||
log_it Installworld
|
||||
(cd /usr/src && make ${JARG} installworld DESTDIR=/mnt ${SRCCONF} ) \
|
||||
> /mnt/_.iw 2>&1
|
||||
|
||||
log_it distribution
|
||||
(cd /usr/src/etc && make distribution DESTDIR=/mnt ${SRCCONF} ) \
|
||||
> /mnt/_.dist 2>&1
|
||||
|
||||
log_it Installkernel
|
||||
(cd /usr/src && make ${JARG} installkernel DESTDIR=/mnt KERNCONF=$KERNCONF ) \
|
||||
> /mnt/_.ik 2>&1
|
||||
|
||||
if [ "x${OBJ_PATH}" != "x" ] ; then
|
||||
rmdir /mnt/usr/obj
|
||||
ln -s /freebsd/${OBJ_PATH} /mnt/usr/obj
|
||||
fi
|
||||
|
||||
log_it Wait for ports prefetch
|
||||
wait
|
||||
|
||||
log_it Move filesystems
|
||||
|
||||
if [ "x${REMOTEDISTFILES}" != "x" ] ; then
|
||||
umount /freebsd/distfiles
|
||||
fi
|
||||
umount /dev/${FREEBSD_PART} || true
|
||||
mkdir -p /mnt/freebsd
|
||||
mount /dev/${FREEBSD_PART} /mnt/freebsd
|
||||
if [ "x${REMOTEDISTFILES}" != "x" ] ; then
|
||||
mount ${REMOTEDISTFILES} /mnt/freebsd/distfiles
|
||||
fi
|
||||
|
||||
rm -rf /mnt/usr/ports || true
|
||||
ln -s /freebsd/${PORTS_PATH} /mnt/usr/ports
|
||||
|
||||
rm -rf /mnt/usr/src || true
|
||||
ln -s /freebsd/${SRC_PATH} /mnt/usr/src
|
||||
|
||||
log_it Build and install ports
|
||||
|
||||
# Make sure fetching will work in the chroot
|
||||
if [ -f /etc/resolv.conf ] ; then
|
||||
log_it copy resolv.conf
|
||||
cp /etc/resolv.conf /mnt/etc
|
||||
chflags schg /mnt/etc/resolv.conf
|
||||
fi
|
||||
|
||||
if [ -f /etc/localtime ] ; then
|
||||
log_it copy localtime
|
||||
cp /etc/localtime /mnt/etc
|
||||
fi
|
||||
|
||||
log_it copy ports config files
|
||||
(cd / ; find var/db/ports -print | cpio -dumpv /mnt )
|
||||
|
||||
log_it ldconfig in chroot
|
||||
chroot /mnt sh /etc/rc.d/ldconfig start
|
||||
|
||||
log_it before_ports
|
||||
(
|
||||
before_ports
|
||||
)
|
||||
|
||||
log_it build ports
|
||||
pwd
|
||||
cp $0 /mnt/root
|
||||
cp /tmp/_sb_log /mnt/tmp
|
||||
b=`basename $0`
|
||||
if [ "x$c_arg" != "x" ] ; then
|
||||
cp $c_arg /mnt/root
|
||||
chroot /mnt sh /root/$0 -c /root/`basename $c_arg` $use_pkg chroot_script
|
||||
else
|
||||
chroot /mnt sh /root/$0 $use_pkg chroot_script
|
||||
fi
|
||||
cp /mnt/tmp/_sb_log /tmp
|
||||
|
||||
log_it fixing fstab
|
||||
sed "/[ ]\/[ ]/s;^[^ ]*[ ];/dev/${TARGET_PART} ;" \
|
||||
/etc/fstab > /mnt/etc/fstab
|
||||
|
||||
log_it create all mountpoints
|
||||
grep -v '^[ ]*#' /mnt/etc/fstab |
|
||||
while read a b c
|
||||
do
|
||||
mkdir -p /mnt/$b
|
||||
done
|
||||
|
||||
if [ "x$SERCONS" != "xfalse" ] ; then
|
||||
log_it serial console
|
||||
echo " -h" > /mnt/boot.config
|
||||
sed -i "" -e /ttyd0/s/off/on/ /mnt/etc/ttys
|
||||
sed -i "" -e /ttyu0/s/off/on/ /mnt/etc/ttys
|
||||
sed -i "" -e '/^ttyv[0-8]/s/ on/ off/' /mnt/etc/ttys
|
||||
fi
|
||||
|
||||
log_it move config files
|
||||
(cd / && find ${CONFIGFILES} -print | cpio -dumpv /mnt)
|
||||
|
||||
log_it final_root
|
||||
( final_root )
|
||||
log_it final_chroot
|
||||
cp /tmp/_sb_log /mnt/tmp
|
||||
if [ "x$c_arg" != "x" ] ; then
|
||||
chroot /mnt sh /root/$0 -c /root/`basename $c_arg` final_chroot
|
||||
else
|
||||
chroot /mnt sh /root/$0 final_chroot
|
||||
fi
|
||||
cp /mnt/tmp/_sb_log /tmp
|
||||
log_it "Check these messages (if any):"
|
||||
grep '^Stop' /mnt/_* || true
|
||||
log_it DONE
|
||||
Loading…
Reference in New Issue
Block a user