Add the first snapshot at rewriting the nanobsd build to be a shellscript.
The overall idea is to get a single build script which will not need editing, but instead overrides and changes happen by config files passed as arguments.
This commit is contained in:
Poul-Henning Kamp
parent
3c0898098e
commit
2a6de17fc9
359
tools/tools/nanobsd/nanobsd.sh
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359
tools/tools/nanobsd/nanobsd.sh
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#!/bin/sh
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# Copyright (c) 2005 Poul-Henning Kamp.
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#
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# See /usr/share/examples/etc/bsd-style-copyright for license terms.
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#
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# $FreeBSD$
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#
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set -e
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# Name of this NanoBSD build. (Used to construct workdir names)
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NANO_NAME=full
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# Source tree directory
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NANO_SRC=/usr/src
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# Object tree directory
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# default is subdir of /usr/obj
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# XXX: MAKEOBJDIRPREFIX handling... ?
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NANO_OBJ=""
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# Parallel Make
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NANO_PMAKE="make -j 3"
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# Options to put in make.conf during buildworld only
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CONF_BUILD=' '
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# Options to put in make.conf during installworld only
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CONF_INSTALL=' '
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# Options to put in make.conf during both build- & installworld.
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CONF_WORLD=' '
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# Kernel config file to use
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NANO_KERNEL=GENERIC
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# Media data, sizes in 512 bytes sectors
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NANO_MEDIA=1048576
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NANO_IMAGES=2
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NANO_CONFSIZE=2048
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NANO_DATASIZE=1023
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# Media geometry, only relevant if bios doesn't understand LBA.
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NANO_SECTS=32
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NANO_HEADS=16
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#######################################################################
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# Functions which can be overridden in configs.
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clean_target ( ) (
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echo "## Clean and create object directory (${MAKEOBJDIRPREFIX})"
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if rm -rf ${MAKEOBJDIRPREFIX} > /dev/null 2>&1 ; then
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true
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else
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chflags -R noschg ${MAKEOBJDIRPREFIX}
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rm -rf ${MAKEOBJDIRPREFIX}
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fi
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mkdir -p ${MAKEOBJDIRPREFIX}
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)
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make_conf_build ( ) (
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echo "## Construct build make.conf ($NANO_MAKE_CONF)"
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echo ${CONF_WORLD} > ${NANO_MAKE_CONF}
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echo ${CONF_BUILD} >> ${NANO_MAKE_CONF}
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)
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build_world ( ) (
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echo "## run buildworld"
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echo "### log: ${MAKEOBJDIRPREFIX}/_.bw"
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cd ${NANO_SRC}
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${NANO_PMAKE} __MAKE_CONF=${NANO_MAKE_CONF} buildworld \
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> ${MAKEOBJDIRPREFIX}/_.bw 2>&1
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)
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build_kernel ( ) (
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echo "## build kernel ($NANO_KERNEL"
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echo "### log: ${MAKEOBJDIRPREFIX}/_.bk"
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if [ -f ${NANO_KERNEL} ] ; then
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cp ${NANO_KERNEL} ${NANO_SRC}/sys/${NANO_ARCH}/conf
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fi
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cd ${NANO_SRC}
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${NANO_PMAKE} buildkernel \
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__MAKE_CONF=${NANO_MAKE_CONF} KERNCONF=${NANO_KERNEL} \
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> ${MAKEOBJDIRPREFIX}/_.bk 2>&1
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)
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clean_world ( ) (
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echo "## Clean and create world directory (${NANO_WORLDDIR})"
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if rm -rf ${NANO_WORLDDIR}/ > /dev/null 2>&1 ; then
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true
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else
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chflags -R noschg ${NANO_WORLDDIR}/
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rm -rf ${NANO_WORLDDIR}/
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fi
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mkdir -p ${NANO_WORLDDIR}/
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)
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make_conf_install ( ) (
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echo "## Construct install make.conf ($NANO_MAKE_CONF)"
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echo ${CONF_WORLD} > ${NANO_MAKE_CONF}
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echo ${CONF_INSTALL} >> ${NANO_MAKE_CONF}
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)
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install_world ( ) (
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echo "## installworld"
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echo "### log: ${MAKEOBJDIRPREFIX}/_.iw"
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cd ${NANO_SRC}
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${NANO_PMAKE} __MAKE_CONF=${NANO_MAKE_CONF} installworld \
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DESTDIR=${NANO_WORLDDIR} \
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> ${MAKEOBJDIRPREFIX}/_.iw 2>&1
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chflags -R noschg ${NANO_WORLDDIR}
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)
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install_etc ( ) (
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echo "## install /etc"
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echo "### log: ${MAKEOBJDIRPREFIX}/_.etc"
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cd ${NANO_SRC}/etc
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${NANO_PMAKE} __MAKE_CONF=${NANO_MAKE_CONF} distribution \
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DESTDIR=${NANO_WORLDDIR} \
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> ${MAKEOBJDIRPREFIX}/_.etc 2>&1
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)
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install_kernel ( ) (
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echo "## install kernel"
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echo "### log: ${MAKEOBJDIRPREFIX}/_.ik"
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cd ${NANO_SRC}
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${NANO_PMAKE} installkernel \
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DESTDIR=${NANO_WORLDDIR} \
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__MAKE_CONF=${NANO_MAKE_CONF} KERNCONF=${NANO_KERNEL} \
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> ${MAKEOBJDIRPREFIX}/_.ik 2>&1
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)
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setup_diskless ( ) (
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echo "## configure diskless setup"
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cd ${NANO_WORLDDIR}
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# create diskless marker file
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touch etc/diskless
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# link /var under /conf
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# we use hard links so we have them both places.
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# the files in /var will be hidden by the mount.
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# XXX: configure /var ramdisk size
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mkdir -p conf/base/var
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find var -print | cpio -dumpl ../conf/base/var
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# move /etc under /conf
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# we use hard links so we have them both places.
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# the files in /etc will be hidden by the mount.
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# XXX: configure /etc ramdisk size
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mkdir -p conf/base/etc conf/default/etc
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find etc -print | cpio -dumpl ../conf/base/etc
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# pick up config files from the special partition
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echo "mount -o ro /dev/ad0s3" > conf/default/etc/remount
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# Put /tmp on the /var ramdisk
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rmdir tmp
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ln -s var/tmp tmp
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)
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create_i386_diskimage ( ) (
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set -x
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# XXX: param ?
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# NEWFSPARAM="-b 4096 -f 512 -i 8192 -O1 -U"
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echo $NANO_MEDIA $NANO_IMAGES \
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$NANO_CONFSIZE $NANO_DATASIZE \
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$NANO_SECTS $NANO_HEADS |
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awk '
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{
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# size of cylinder in sectors
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cs = $5 * $6
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# number of full cylinders on media
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cyl = int ($1 / cs)
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# output fdisk geometry spec
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if (cyl <= 1023)
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print "g c" cyl " h" $6 " s" $5
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else
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print "g c" 1023 " h" $6 " s" $5
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# size of data partition in full cylinders
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dsl = int (($4 + cs - 1) / cs)
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# size of config partition in full cylinders
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csl = int (($3 + cs - 1) / cs)
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# size of image partition(s) in full cylinders
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isl = int ((cyl - dsl - csl) / $2)
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# First image partition start at second track
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print "p 1 165 " $5, isl * cs - $5
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c = isl * cs;
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# Second image partition (if any) also starts offset one
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# track to keep them identical.
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if ($2 > 1) {
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print "p 2 165 " $5 + c, isl * cs - $5
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c += isl * cs;
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}
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# Config partition starts at cylinder boundary.
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print "p 3 165 " c, csl * cs
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c += csl * cs
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# Data partition (if any) starts at cylinder boundary.
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if ($4 > 0)
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print "p 4 165 " c, dsl * cs
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}
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' > ${MAKEOBJDIRPREFIX}/_.fdisk
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IMG=${MAKEOBJDIRPREFIX}/_.disk.full
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MNT=${MAKEOBJDIRPREFIX}/_.mnt
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mkdir -p ${MNT}
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dd if=/dev/zero of=${IMG} bs=${NANO_SECTS}b \
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count=`expr ${NANO_MEDIA} / ${NANO_SECTS}`
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MD=`mdconfig -a -t vnode -f ${IMG} -x ${NANO_SECTS} -y ${NANO_HEADS}`
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trap "umount ${MNT} || true ; mdconfig -d -u $MD" 1 2 15 EXIT
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fdisk -i -f ${MAKEOBJDIRPREFIX}/_.fdisk ${MD}
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# XXX: params
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# XXX: pick up cached boot* files, they may not be in image anymore.
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boot0cfg -B -b ${NANO_WORLDDIR}/boot/boot0sio -o packet -s 1 -m 3 ${MD}
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bsdlabel -w -B ${MD}s1
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# Create first image
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newfs ${NEWFSPARAM} /dev/${MD}s1a
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mount /dev/${MD}s1a ${MNT}
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( cd ${NANO_WORLDDIR} && find . -print | cpio -dump ${MNT} )
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# XXX: make_fstab
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df -i ${MNT}
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umount ${MNT}
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if [ $NANO_IMAGES -gt 1 ] ; then
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# Duplicate to second image (if present)
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dd if=/dev/${MD}s1 of=/dev/${MD}s2 bs=64k
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fi
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# Create Config slice
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newfs ${NEWFSPARAM} /dev/${MD}s3
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# XXX: fill from where ?
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# Create Data slice, if any.
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if [ $NANO_DATASIZE -gt 0 ] ; then
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newfs ${NEWFSPARAM} /dev/${MD}s4
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# XXX: fill from where ?
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fi
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dd if=/dev/${MD}s1 of=${MAKEOBJDIRPREFIX}/_.disk.image bs=64k
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mdconfig -d -u $MD
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)
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#######################################################################
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#
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# Heavy wizardry ahead, no user serviceable parts below.
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#
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#######################################################################
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#######################################################################
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# Internal variables
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if [ "x${NANO_OBJ}" = "x" ] ; then
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MAKEOBJDIRPREFIX=/usr/obj/nanobsd.${NANO_NAME}/
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else
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MAKEOBJDIRPREFIX=${NANO_OBJ}
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fi
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NANO_WORLDDIR=${MAKEOBJDIRPREFIX}/_.w
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NANO_MAKE_CONF=${MAKEOBJDIRPREFIX}/make.conf
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#######################################################################
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# Not a variable at this time
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NANO_ARCH=i386
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#######################################################################
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#
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export MAKEOBJDIRPREFIX
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export NANO_WORLDDIR
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export NANO_ARCH
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export NANO_MEDIA
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export NANO_IMAGES
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export NANO_CONFSIZE
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export NANO_DATASIZE
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export NANO_SECTS
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export NANO_HEADS
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export NANO_PMAKE
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export NANO_OBJ
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export NANO_NAME
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export NANO_SRC
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export NANO_MAKE_CONF
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#######################################################################
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# Parse arguments
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args=`getopt c: $*`
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if [ $? -ne 0 ] ; then
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echo "Usage: $0 [-c config file]" 1>&2
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exit 2
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fi
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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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-c)
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copt="$2"
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shift;
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shift;
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;;
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--)
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shift;
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break;
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esac
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done
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if [ "x${copt}" != "x" ] ; then
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if [ ! -f ${copt} ] ; then
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echo "Cannot read ${copt}" 1>&2
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exit 2
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fi
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. ${copt}
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fi
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#######################################################################
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# Set up object directory
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clean_target
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make_conf_build
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build_world
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build_kernel
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clean_world
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make_conf_install
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install_world
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install_etc
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install_kernel
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setup_diskless
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create_i386_diskimage
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