svn commit: r275832 - head/tools/tools/nanobsd

Will Andrews will at firepipe.net
Tue Dec 16 18:33:13 UTC 2014


This change was committed with 'arc commit'.

I had intended to note in the commit message that this change does not
make any sort of API guarantee.  It is just intended to enable reuse.

--Will.

On Tue, Dec 16, 2014 at 10:59 AM, Will Andrews <will at freebsd.org> wrote:
> Author: will
> Date: Tue Dec 16 17:59:05 2014
> New Revision: 275832
> URL: https://svnweb.freebsd.org/changeset/base/275832
>
> Log:
>   Make NanoBSD source-able from other scripts.
>
>   Summary:
>   This change converts NanoBSD into a two-script bundle.
>   - defaults.sh contains all non-CLI code.  Most NanoBSD code is moved into
>     this file.
>   - nanobsd.sh now consists just of a command line interface that calls into
>     functions in defaults.sh.
>
>   Test Plan: Run NanoBSD using a previously-working configuration.
>
>   Reviewers: imp
>
>   Reviewed By: imp
>
>   Differential Revision: https://reviews.freebsd.org/D1321
>
> Added:
>   head/tools/tools/nanobsd/defaults.sh   (contents, props changed)
> Modified:
>   head/tools/tools/nanobsd/nanobsd.sh
>
> Added: head/tools/tools/nanobsd/defaults.sh
> ==============================================================================
> --- /dev/null   00:00:00 1970   (empty, because file is newly added)
> +++ head/tools/tools/nanobsd/defaults.sh        Tue Dec 16 17:59:05 2014        (r275832)
> @@ -0,0 +1,983 @@
> +#!/bin/sh
> +#
> +# Copyright (c) 2005 Poul-Henning Kamp.
> +# All rights reserved.
> +#
> +# Redistribution and use in source and binary forms, with or without
> +# modification, are permitted provided that the following conditions
> +# are met:
> +# 1. Redistributions of source code must retain the above copyright
> +#    notice, this list of conditions and the following disclaimer.
> +# 2. Redistributions in binary form must reproduce the above copyright
> +#    notice, this list of conditions and the following disclaimer in the
> +#    documentation and/or other materials provided with the distribution.
> +#
> +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> +# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> +# SUCH DAMAGE.
> +#
> +# $FreeBSD$
> +#
> +
> +set -e
> +
> +#######################################################################
> +#
> +# Setup default values for all controlling variables.
> +# These values can be overridden from the config file(s)
> +#
> +#######################################################################
> +
> +# Name of this NanoBSD build.  (Used to construct workdir names)
> +NANO_NAME=full
> +
> +# Source tree directory
> +NANO_SRC=/usr/src
> +
> +# Where nanobsd additional files live under the source tree
> +NANO_TOOLS=tools/tools/nanobsd
> +
> +# Where cust_pkg() finds packages to install
> +NANO_PACKAGE_DIR=${NANO_SRC}/${NANO_TOOLS}/Pkg
> +NANO_PACKAGE_LIST="*"
> +
> +# where package metadata gets placed
> +NANO_PKG_META_BASE=/var/db
> +
> +# Object tree directory
> +# default is subdir of /usr/obj
> +#NANO_OBJ=""
> +
> +# The directory to put the final images
> +# default is ${NANO_OBJ}
> +#NANO_DISKIMGDIR=""
> +
> +# Make & parallel Make
> +NANO_MAKE="make"
> +NANO_PMAKE="make -j 3"
> +
> +# The default name for any image we create.
> +NANO_IMGNAME="_.disk.full"
> +
> +# Options to put in make.conf during buildworld only
> +CONF_BUILD=' '
> +
> +# Options to put in make.conf during installworld only
> +CONF_INSTALL=' '
> +
> +# Options to put in make.conf during both build- & installworld.
> +CONF_WORLD=' '
> +
> +# Kernel config file to use
> +NANO_KERNEL=GENERIC
> +
> +# Kernel modules to install. If empty, no modules are installed.
> +# Use "default" to install all built modules.
> +NANO_MODULES=
> +
> +# Customize commands.
> +NANO_CUSTOMIZE=""
> +
> +# Late customize commands.
> +NANO_LATE_CUSTOMIZE=""
> +
> +# Newfs paramters to use
> +NANO_NEWFS="-b 4096 -f 512 -i 8192 -U"
> +
> +# The drive name of the media at runtime
> +NANO_DRIVE=ad0
> +
> +# Target media size in 512 bytes sectors
> +NANO_MEDIASIZE=2000000
> +
> +# Number of code images on media (1 or 2)
> +NANO_IMAGES=2
> +
> +# 0 -> Leave second image all zeroes so it compresses better.
> +# 1 -> Initialize second image with a copy of the first
> +NANO_INIT_IMG2=1
> +
> +# Size of code file system in 512 bytes sectors
> +# If zero, size will be as large as possible.
> +NANO_CODESIZE=0
> +
> +# Size of configuration file system in 512 bytes sectors
> +# Cannot be zero.
> +NANO_CONFSIZE=2048
> +
> +# Size of data file system in 512 bytes sectors
> +# If zero: no partition configured.
> +# If negative: max size possible
> +NANO_DATASIZE=0
> +
> +# Size of the /etc ramdisk in 512 bytes sectors
> +NANO_RAM_ETCSIZE=10240
> +
> +# Size of the /tmp+/var ramdisk in 512 bytes sectors
> +NANO_RAM_TMPVARSIZE=10240
> +
> +# Media geometry, only relevant if bios doesn't understand LBA.
> +NANO_SECTS=63
> +NANO_HEADS=16
> +
> +# boot0 flags/options and configuration
> +NANO_BOOT0CFG="-o packet -s 1 -m 3"
> +NANO_BOOTLOADER="boot/boot0sio"
> +
> +# boot2 flags/options
> +# default force serial console
> +NANO_BOOT2CFG="-h"
> +
> +# Backing type of md(4) device
> +# Can be "file" or "swap"
> +NANO_MD_BACKING="file"
> +
> +# for swap type md(4) backing, write out the mbr only
> +NANO_IMAGE_MBRONLY=true
> +
> +# Progress Print level
> +PPLEVEL=3
> +
> +# Set NANO_LABEL to non-blank to form the basis for using /dev/ufs/label
> +# in preference to /dev/${NANO_DRIVE}
> +# Root partition will be ${NANO_LABEL}s{1,2}
> +# /cfg partition will be ${NANO_LABEL}s3
> +# /data partition will be ${NANO_LABEL}s4
> +NANO_LABEL=""
> +
> +#######################################################################
> +# Architecture to build.  Corresponds to TARGET_ARCH in a buildworld.
> +# Unfortunately, there's no way to set TARGET at this time, and it
> +# conflates the two, so architectures where TARGET != TARGET_ARCH do
> +# not work.  This defaults to the arch of the current machine.
> +
> +NANO_ARCH=`uname -p`
> +
> +# Directory to populate /cfg from
> +NANO_CFGDIR=""
> +
> +# Directory to populate /data from
> +NANO_DATADIR=""
> +
> +# src.conf to use when building the image. Defaults to /dev/null for the sake
> +# of determinism.
> +SRCCONF=${SRCCONF:=/dev/null}
> +
> +#######################################################################
> +#
> +# The functions which do the real work.
> +# Can be overridden from the config file(s)
> +#
> +#######################################################################
> +
> +# rm doesn't know -x prior to FreeBSD 10, so cope with a variety of build
> +# hosts for now.
> +nano_rm ( ) {
> +       case $(uname -r) in
> +       7*|8*|9*) rm $* ;;
> +       *) rm -x $* ;;
> +       esac
> +}
> +
> +# run in the world chroot, errors fatal
> +CR()
> +{
> +       chroot ${NANO_WORLDDIR} /bin/sh -exc "$*"
> +}
> +
> +# run in the world chroot, errors not fatal
> +CR0()
> +{
> +       chroot ${NANO_WORLDDIR} /bin/sh -c "$*" || true
> +}
> +
> +nano_cleanup ( ) (
> +       if [ $? -ne 0 ]; then
> +               echo "Error encountered.  Check for errors in last log file." 1>&2
> +       fi
> +       exit $?
> +)
> +
> +clean_build ( ) (
> +       pprint 2 "Clean and create object directory (${MAKEOBJDIRPREFIX})"
> +
> +       if ! nano_rm -rf ${MAKEOBJDIRPREFIX}/ > /dev/null 2>&1 ; then
> +               chflags -R noschg ${MAKEOBJDIRPREFIX}/
> +               nano_rm -r ${MAKEOBJDIRPREFIX}/
> +       fi
> +)
> +
> +make_conf_build ( ) (
> +       pprint 2 "Construct build make.conf ($NANO_MAKE_CONF_BUILD)"
> +
> +       mkdir -p ${MAKEOBJDIRPREFIX}
> +       printenv > ${MAKEOBJDIRPREFIX}/_.env
> +
> +       echo "${CONF_WORLD}" > ${NANO_MAKE_CONF_BUILD}
> +       echo "${CONF_BUILD}" >> ${NANO_MAKE_CONF_BUILD}
> +)
> +
> +build_world ( ) (
> +       pprint 2 "run buildworld"
> +       pprint 3 "log: ${MAKEOBJDIRPREFIX}/_.bw"
> +
> +       cd ${NANO_SRC}
> +       env TARGET_ARCH=${NANO_ARCH} ${NANO_PMAKE} \
> +               SRCCONF=${SRCCONF} \
> +               __MAKE_CONF=${NANO_MAKE_CONF_BUILD} buildworld \
> +               > ${MAKEOBJDIRPREFIX}/_.bw 2>&1
> +)
> +
> +build_kernel ( ) (
> +       local extra
> +
> +       pprint 2 "build kernel ($NANO_KERNEL)"
> +       pprint 3 "log: ${MAKEOBJDIRPREFIX}/_.bk"
> +
> +       (
> +       if [ -f ${NANO_KERNEL} ] ; then
> +               kernconfdir_arg="KERNCONFDIR='$(realpath $(dirname ${NANO_KERNEL}))'"
> +               kernconf=$(basename ${NANO_KERNEL})
> +       else
> +               kernconf=${NANO_KERNEL}
> +       fi
> +
> +       cd ${NANO_SRC};
> +       # unset these just in case to avoid compiler complaints
> +       # when cross-building
> +       unset TARGET_CPUTYPE
> +       # Note: We intentionally build all modules, not only the ones in
> +       # NANO_MODULES so the built world can be reused by multiple images.
> +       eval "TARGET_ARCH=${NANO_ARCH} ${NANO_PMAKE} buildkernel \
> +               SRCCONF='${SRCCONF}' \
> +               __MAKE_CONF='${NANO_MAKE_CONF_BUILD}' \
> +               ${kernconfdir_arg} KERNCONF=${kernconf}"
> +       ) > ${MAKEOBJDIRPREFIX}/_.bk 2>&1
> +)
> +
> +clean_world ( ) (
> +       if [ "${NANO_OBJ}" != "${MAKEOBJDIRPREFIX}" ]; then
> +               pprint 2 "Clean and create object directory (${NANO_OBJ})"
> +               if ! nano_rm -rf ${NANO_OBJ}/ > /dev/null 2>&1 ; then
> +                       chflags -R noschg ${NANO_OBJ}
> +                       nano_rm -r ${NANO_OBJ}/
> +               fi
> +               mkdir -p ${NANO_OBJ} ${NANO_WORLDDIR}
> +               printenv > ${NANO_OBJ}/_.env
> +       else
> +               pprint 2 "Clean and create world directory (${NANO_WORLDDIR})"
> +               if ! nano_rm -rf ${NANO_WORLDDIR}/ > /dev/null 2>&1 ; then
> +                       chflags -R noschg ${NANO_WORLDDIR}
> +                       nano_rm -rf ${NANO_WORLDDIR}/
> +               fi
> +               mkdir -p ${NANO_WORLDDIR}
> +       fi
> +)
> +
> +make_conf_install ( ) (
> +       pprint 2 "Construct install make.conf ($NANO_MAKE_CONF_INSTALL)"
> +
> +       echo "${CONF_WORLD}" > ${NANO_MAKE_CONF_INSTALL}
> +       echo "${CONF_INSTALL}" >> ${NANO_MAKE_CONF_INSTALL}
> +)
> +
> +install_world ( ) (
> +       pprint 2 "installworld"
> +       pprint 3 "log: ${NANO_OBJ}/_.iw"
> +
> +       cd ${NANO_SRC}
> +       env TARGET_ARCH=${NANO_ARCH} \
> +       ${NANO_MAKE} SRCCONF=${SRCCONF} \
> +               __MAKE_CONF=${NANO_MAKE_CONF_INSTALL} installworld \
> +               DESTDIR=${NANO_WORLDDIR} \
> +               > ${NANO_OBJ}/_.iw 2>&1
> +       chflags -R noschg ${NANO_WORLDDIR}
> +)
> +
> +install_etc ( ) (
> +
> +       pprint 2 "install /etc"
> +       pprint 3 "log: ${NANO_OBJ}/_.etc"
> +
> +       cd ${NANO_SRC}
> +       env TARGET_ARCH=${NANO_ARCH} \
> +       ${NANO_MAKE} SRCCONF=${SRCCONF} \
> +               __MAKE_CONF=${NANO_MAKE_CONF_INSTALL} distribution \
> +               DESTDIR=${NANO_WORLDDIR} \
> +               > ${NANO_OBJ}/_.etc 2>&1
> +       # make.conf doesn't get created by default, but some ports need it
> +       # so they can spam it.
> +       cp /dev/null ${NANO_WORLDDIR}/etc/make.conf
> +)
> +
> +install_kernel ( ) (
> +       local extra
> +
> +       pprint 2 "install kernel ($NANO_KERNEL)"
> +       pprint 3 "log: ${NANO_OBJ}/_.ik"
> +
> +       (
> +       if [ -f ${NANO_KERNEL} ] ; then
> +               kernconfdir_arg="KERNCONFDIR='$(realpath $(dirname ${NANO_KERNEL}))'"
> +               kernconf=$(basename ${NANO_KERNEL})
> +       else
> +               kernconf=${NANO_KERNEL}
> +       fi
> +
> +       # Install all built modules if NANO_MODULES=default,
> +       # else install only listed modules (none if NANO_MODULES is empty).
> +       if [ "${NANO_MODULES}" != "default" ]; then
> +               modules_override_arg="MODULES_OVERRIDE='${NANO_MODULES}'"
> +       fi
> +
> +       cd ${NANO_SRC}
> +       eval "TARGET_ARCH=${NANO_ARCH} ${NANO_MAKE} installkernel \
> +               DESTDIR='${NANO_WORLDDIR}' \
> +               SRCCONF='${SRCCONF}' \
> +               __MAKE_CONF='${NANO_MAKE_CONF_INSTALL}' \
> +               ${kernconfdir_arg} KERNCONF=${kernconf} \
> +               ${modules_override_arg}"
> +       ) > ${NANO_OBJ}/_.ik 2>&1
> +)
> +
> +native_xtools ( ) (
> +       print 2 "Installing the optimized native build tools for cross env"
> +       pprint 3 "log: ${NANO_OBJ}/_.native_xtools"
> +
> +       cd ${NANO_SRC}
> +       env TARGET_ARCH=${NANO_ARCH} \
> +       ${NANO_MAKE} SRCCONF=${SRCCONF} \
> +               __MAKE_CONF=${NANO_MAKE_CONF_INSTALL} native-xtools \
> +               DESTDIR=${NANO_WORLDDIR} \
> +               > ${NANO_OBJ}/_.native_xtools 2>&1
> +)
> +
> +run_customize() (
> +
> +       pprint 2 "run customize scripts"
> +       for c in $NANO_CUSTOMIZE
> +       do
> +               pprint 2 "customize \"$c\""
> +               pprint 3 "log: ${NANO_OBJ}/_.cust.$c"
> +               pprint 4 "`type $c`"
> +               ( set -x ; $c ) > ${NANO_OBJ}/_.cust.$c 2>&1
> +       done
> +)
> +
> +run_late_customize() (
> +
> +       pprint 2 "run late customize scripts"
> +       for c in $NANO_LATE_CUSTOMIZE
> +       do
> +               pprint 2 "late customize \"$c\""
> +               pprint 3 "log: ${NANO_OBJ}/_.late_cust.$c"
> +               pprint 4 "`type $c`"
> +               ( set -x ; $c ) > ${NANO_OBJ}/_.late_cust.$c 2>&1
> +       done
> +)
> +
> +setup_nanobsd ( ) (
> +       pprint 2 "configure nanobsd setup"
> +       pprint 3 "log: ${NANO_OBJ}/_.dl"
> +
> +       (
> +       cd ${NANO_WORLDDIR}
> +
> +       # Move /usr/local/etc to /etc/local so that the /cfg stuff
> +       # can stomp on it.  Otherwise packages like ipsec-tools which
> +       # have hardcoded paths under ${prefix}/etc are not tweakable.
> +       if [ -d usr/local/etc ] ; then
> +               (
> +               mkdir -p etc/local
> +               cd usr/local/etc
> +               find . -print | cpio -dumpl ../../../etc/local
> +               cd ..
> +               nano_rm -rf etc
> +               ln -s ../../etc/local etc
> +               )
> +       fi
> +
> +       for d in var etc
> +       do
> +               # link /$d under /conf
> +               # we use hard links so we have them both places.
> +               # the files in /$d will be hidden by the mount.
> +               # XXX: configure /$d ramdisk size
> +               mkdir -p conf/base/$d conf/default/$d
> +               find $d -print | cpio -dumpl conf/base/
> +       done
> +
> +       echo "$NANO_RAM_ETCSIZE" > conf/base/etc/md_size
> +       echo "$NANO_RAM_TMPVARSIZE" > conf/base/var/md_size
> +
> +       # pick up config files from the special partition
> +       echo "mount -o ro /dev/${NANO_DRIVE}s3" > conf/default/etc/remount
> +
> +       # Put /tmp on the /var ramdisk (could be symlink already)
> +       nano_rm -rf tmp
> +       ln -s var/tmp tmp
> +
> +       ) > ${NANO_OBJ}/_.dl 2>&1
> +)
> +
> +setup_nanobsd_etc ( ) (
> +       pprint 2 "configure nanobsd /etc"
> +
> +       (
> +       cd ${NANO_WORLDDIR}
> +
> +       # create diskless marker file
> +       touch etc/diskless
> +
> +       # Make root filesystem R/O by default
> +       echo "root_rw_mount=NO" >> etc/defaults/rc.conf
> +
> +       # save config file for scripts
> +       echo "NANO_DRIVE=${NANO_DRIVE}" > etc/nanobsd.conf
> +
> +       echo "/dev/${NANO_DRIVE}s1a / ufs ro 1 1" > etc/fstab
> +       echo "/dev/${NANO_DRIVE}s3 /cfg ufs rw,noauto 2 2" >> etc/fstab
> +       mkdir -p cfg
> +       )
> +)
> +
> +prune_usr() (
> +
> +       # Remove all empty directories in /usr
> +       find ${NANO_WORLDDIR}/usr -type d -depth -print |
> +               while read d
> +               do
> +                       rmdir $d > /dev/null 2>&1 || true
> +               done
> +)
> +
> +newfs_part ( ) (
> +       local dev mnt lbl
> +       dev=$1
> +       mnt=$2
> +       lbl=$3
> +       echo newfs ${NANO_NEWFS} ${NANO_LABEL:+-L${NANO_LABEL}${lbl}} ${dev}
> +       newfs ${NANO_NEWFS} ${NANO_LABEL:+-L${NANO_LABEL}${lbl}} ${dev}
> +       mount -o async ${dev} ${mnt}
> +)
> +
> +# Convenient spot to work around any umount issues that your build environment
> +# hits by overriding this method.
> +nano_umount () (
> +       umount ${1}
> +)
> +
> +populate_slice ( ) (
> +       local dev dir mnt lbl
> +       dev=$1
> +       dir=$2
> +       mnt=$3
> +       lbl=$4
> +       echo "Creating ${dev} (mounting on ${mnt})"
> +       newfs_part ${dev} ${mnt} ${lbl}
> +       if [ -n "${dir}" -a -d "${dir}" ]; then
> +               echo "Populating ${lbl} from ${dir}"
> +               cd ${dir}
> +               find . -print | grep -Ev '/(CVS|\.svn|\.hg|\.git)' | cpio -dumpv ${mnt}
> +       fi
> +       df -i ${mnt}
> +       nano_umount ${mnt}
> +)
> +
> +populate_cfg_slice ( ) (
> +       populate_slice "$1" "$2" "$3" "$4"
> +)
> +
> +populate_data_slice ( ) (
> +       populate_slice "$1" "$2" "$3" "$4"
> +)
> +
> +create_diskimage ( ) (
> +       pprint 2 "build diskimage"
> +       pprint 3 "log: ${NANO_OBJ}/_.di"
> +
> +       (
> +       echo $NANO_MEDIASIZE $NANO_IMAGES \
> +               $NANO_SECTS $NANO_HEADS \
> +               $NANO_CODESIZE $NANO_CONFSIZE $NANO_DATASIZE |
> +       awk '
> +       {
> +               printf "# %s\n", $0
> +
> +               # size of cylinder in sectors
> +               cs = $3 * $4
> +
> +               # number of full cylinders on media
> +               cyl = int ($1 / cs)
> +
> +               # output fdisk geometry spec, truncate cyls to 1023
> +               if (cyl <= 1023)
> +                       print "g c" cyl " h" $4 " s" $3
> +               else
> +                       print "g c" 1023 " h" $4 " s" $3
> +
> +               if ($7 > 0) {
> +                       # size of data partition in full cylinders
> +                       dsl = int (($7 + cs - 1) / cs)
> +               } else {
> +                       dsl = 0;
> +               }
> +
> +               # size of config partition in full cylinders
> +               csl = int (($6 + cs - 1) / cs)
> +
> +               if ($5 == 0) {
> +                       # size of image partition(s) in full cylinders
> +                       isl = int ((cyl - dsl - csl) / $2)
> +               } else {
> +                       isl = int (($5 + cs - 1) / cs)
> +               }
> +
> +               # First image partition start at second track
> +               print "p 1 165 " $3, isl * cs - $3
> +               c = isl * cs;
> +
> +               # Second image partition (if any) also starts offset one
> +               # track to keep them identical.
> +               if ($2 > 1) {
> +                       print "p 2 165 " $3 + c, isl * cs - $3
> +                       c += isl * cs;
> +               }
> +
> +               # Config partition starts at cylinder boundary.
> +               print "p 3 165 " c, csl * cs
> +               c += csl * cs
> +
> +               # Data partition (if any) starts at cylinder boundary.
> +               if ($7 > 0) {
> +                       print "p 4 165 " c, dsl * cs
> +               } else if ($7 < 0 && $1 > c) {
> +                       print "p 4 165 " c, $1 - c
> +               } else if ($1 < c) {
> +                       print "Disk space overcommitted by", \
> +                           c - $1, "sectors" > "/dev/stderr"
> +                       exit 2
> +               }
> +
> +               # Force slice 1 to be marked active. This is necessary
> +               # for booting the image from a USB device to work.
> +               print "a 1"
> +       }
> +       ' > ${NANO_OBJ}/_.fdisk
> +
> +       IMG=${NANO_DISKIMGDIR}/${NANO_IMGNAME}
> +       MNT=${NANO_OBJ}/_.mnt
> +       mkdir -p ${MNT}
> +
> +       if [ "${NANO_MD_BACKING}" = "swap" ] ; then
> +               MD=`mdconfig -a -t swap -s ${NANO_MEDIASIZE} -x ${NANO_SECTS} \
> +                       -y ${NANO_HEADS}`
> +       else
> +               echo "Creating md backing file..."
> +               nano_rm -f ${IMG}
> +               dd if=/dev/zero of=${IMG} seek=${NANO_MEDIASIZE} count=0
> +               MD=`mdconfig -a -t vnode -f ${IMG} -x ${NANO_SECTS} \
> +                       -y ${NANO_HEADS}`
> +       fi
> +
> +       trap "echo 'Running exit trap code' ; df -i ${MNT} ; nano_umount ${MNT} || true ; mdconfig -d -u $MD" 1 2 15 EXIT
> +
> +       fdisk -i -f ${NANO_OBJ}/_.fdisk ${MD}
> +       fdisk ${MD}
> +       # XXX: params
> +       # XXX: pick up cached boot* files, they may not be in image anymore.
> +       if [ -f ${NANO_WORLDDIR}/${NANO_BOOTLOADER} ]; then
> +               boot0cfg -B -b ${NANO_WORLDDIR}/${NANO_BOOTLOADER} ${NANO_BOOT0CFG} ${MD}
> +       fi
> +       if [ -f ${NANO_WORLDDIR}/boot/boot ]; then
> +               bsdlabel -w -B -b ${NANO_WORLDDIR}/boot/boot ${MD}s1
> +       else
> +               bsdlabel -w ${MD}s1
> +       fi
> +       bsdlabel ${MD}s1
> +
> +       # Create first image
> +       populate_slice /dev/${MD}s1a ${NANO_WORLDDIR} ${MNT} "s1a"
> +       mount /dev/${MD}s1a ${MNT}
> +       echo "Generating mtree..."
> +       ( cd ${MNT} && mtree -c ) > ${NANO_OBJ}/_.mtree
> +       ( cd ${MNT} && du -k ) > ${NANO_OBJ}/_.du
> +       nano_umount ${MNT}
> +
> +       if [ $NANO_IMAGES -gt 1 -a $NANO_INIT_IMG2 -gt 0 ] ; then
> +               # Duplicate to second image (if present)
> +               echo "Duplicating to second image..."
> +               dd conv=sparse if=/dev/${MD}s1 of=/dev/${MD}s2 bs=64k
> +               mount /dev/${MD}s2a ${MNT}
> +               for f in ${MNT}/etc/fstab ${MNT}/conf/base/etc/fstab
> +               do
> +                       sed -i "" "s=${NANO_DRIVE}s1=${NANO_DRIVE}s2=g" $f
> +               done
> +               nano_umount ${MNT}
> +               # Override the label from the first partition so we
> +               # don't confuse glabel with duplicates.
> +               if [ ! -z ${NANO_LABEL} ]; then
> +                       tunefs -L ${NANO_LABEL}"s2a" /dev/${MD}s2a
> +               fi
> +       fi
> +
> +       # Create Config slice
> +       populate_cfg_slice /dev/${MD}s3 "${NANO_CFGDIR}" ${MNT} "s3"
> +
> +       # Create Data slice, if any.
> +       if [ $NANO_DATASIZE -ne 0 ] ; then
> +               populate_data_slice /dev/${MD}s4 "${NANO_DATADIR}" ${MNT} "s4"
> +       fi
> +
> +       if [ "${NANO_MD_BACKING}" = "swap" ] ; then
> +               if [ ${NANO_IMAGE_MBRONLY} ]; then
> +                       echo "Writing out _.disk.mbr..."
> +                       dd if=/dev/${MD} of=${NANO_DISKIMGDIR}/_.disk.mbr bs=512 count=1
> +               else
> +                       echo "Writing out ${NANO_IMGNAME}..."
> +                       dd if=/dev/${MD} of=${IMG} bs=64k
> +               fi
> +
> +               echo "Writing out ${NANO_IMGNAME}..."
> +               dd conv=sparse if=/dev/${MD} of=${IMG} bs=64k
> +       fi
> +
> +       if ${do_copyout_partition} ; then
> +               echo "Writing out _.disk.image..."
> +               dd conv=sparse if=/dev/${MD}s1 of=${NANO_DISKIMGDIR}/_.disk.image bs=64k
> +       fi
> +       mdconfig -d -u $MD
> +
> +       trap - 1 2 15
> +       trap nano_cleanup EXIT
> +
> +       ) > ${NANO_OBJ}/_.di 2>&1
> +)
> +
> +last_orders () (
> +       # Redefine this function with any last orders you may have
> +       # after the build completed, for instance to copy the finished
> +       # image to a more convenient place:
> +       # cp ${NANO_DISKIMGDIR}/_.disk.image /home/ftp/pub/nanobsd.disk
> +       true
> +)
> +
> +#######################################################################
> +#
> +# Optional convenience functions.
> +#
> +#######################################################################
> +
> +#######################################################################
> +# Common Flash device geometries
> +#
> +
> +FlashDevice () {
> +       if [ -d ${NANO_TOOLS} ] ; then
> +               . ${NANO_TOOLS}/FlashDevice.sub
> +       else
> +               . ${NANO_SRC}/${NANO_TOOLS}/FlashDevice.sub
> +       fi
> +       sub_FlashDevice $1 $2
> +}
> +
> +#######################################################################
> +# USB device geometries
> +#
> +# Usage:
> +#      UsbDevice Generic 1000  # a generic flash key sold as having 1GB
> +#
> +# This function will set NANO_MEDIASIZE, NANO_HEADS and NANO_SECTS for you.
> +#
> +# Note that the capacity of a flash key is usually advertised in MB or
> +# GB, *not* MiB/GiB. As such, the precise number of cylinders available
> +# for C/H/S geometry may vary depending on the actual flash geometry.
> +#
> +# The following generic device layouts are understood:
> +#  generic           An alias for generic-hdd.
> +#  generic-hdd       255H 63S/T xxxxC with no MBR restrictions.
> +#  generic-fdd       64H 32S/T xxxxC with no MBR restrictions.
> +#
> +# The generic-hdd device is preferred for flash devices larger than 1GB.
> +#
> +
> +UsbDevice () {
> +       a1=`echo $1 | tr '[:upper:]' '[:lower:]'`
> +       case $a1 in
> +       generic-fdd)
> +               NANO_HEADS=64
> +               NANO_SECTS=32
> +               NANO_MEDIASIZE=$(( $2 * 1000 * 1000 / 512 ))
> +               ;;
> +       generic|generic-hdd)
> +               NANO_HEADS=255
> +               NANO_SECTS=63
> +               NANO_MEDIASIZE=$(( $2 * 1000 * 1000 / 512 ))
> +               ;;
> +       *)
> +               echo "Unknown USB flash device"
> +               exit 2
> +               ;;
> +       esac
> +}
> +
> +#######################################################################
> +# Setup serial console
> +
> +cust_comconsole () (
> +       # Enable getty on console
> +       sed -i "" -e /tty[du]0/s/off/on/ ${NANO_WORLDDIR}/etc/ttys
> +
> +       # Disable getty on syscons devices
> +       sed -i "" -e '/^ttyv[0-8]/s/    on/     off/' ${NANO_WORLDDIR}/etc/ttys
> +
> +       # Tell loader to use serial console early.
> +       echo "${NANO_BOOT2CFG}" > ${NANO_WORLDDIR}/boot.config
> +)
> +
> +#######################################################################
> +# Allow root login via ssh
> +
> +cust_allow_ssh_root () (
> +       sed -i "" -e '/PermitRootLogin/s/.*/PermitRootLogin yes/' \
> +           ${NANO_WORLDDIR}/etc/ssh/sshd_config
> +)
> +
> +#######################################################################
> +# Install the stuff under ./Files
> +
> +cust_install_files () (
> +       cd ${NANO_TOOLS}/Files
> +       find . -print | grep -Ev '/(CVS|\.svn|\.hg|\.git)' | cpio -Ldumpv ${NANO_WORLDDIR}
> +)
> +
> +#######################################################################
> +# Install packages from ${NANO_PACKAGE_DIR}
> +
> +cust_pkg () (
> +
> +       # If the package directory doesn't exist, we're done.
> +       if [ ! -d ${NANO_PACKAGE_DIR} ]; then
> +               echo "DONE 0 packages"
> +               return 0
> +       fi
> +
> +       # Copy packages into chroot
> +       mkdir -p ${NANO_WORLDDIR}/Pkg ${NANO_WORLDDIR}/${NANO_PKG_META_BASE}/pkg
> +       (
> +               cd ${NANO_PACKAGE_DIR}
> +               find ${NANO_PACKAGE_LIST} -print |
> +                   cpio -Ldumpv ${NANO_WORLDDIR}/Pkg
> +       )
> +
> +       # Count & report how many we have to install
> +       todo=`ls ${NANO_WORLDDIR}/Pkg | wc -l`
> +       echo "=== TODO: $todo"
> +       ls ${NANO_WORLDDIR}/Pkg
> +       echo "==="
> +       while true
> +       do
> +               # Record how many we have now
> +               have=`ls ${NANO_WORLDDIR}/${NANO_PKG_META_BASE}/pkg | wc -l`
> +
> +               # Attempt to install more packages
> +               # ...but no more than 200 at a time due to pkg_add's internal
> +               # limitations.
> +               CR0 'ls Pkg/*tbz | xargs -n 200 env PKG_DBDIR='${NANO_PKG_META_BASE}'/pkg pkg_add -v -F'
> +
> +               # See what that got us
> +               now=`ls ${NANO_WORLDDIR}/${NANO_PKG_META_BASE}/pkg | wc -l`
> +               echo "=== NOW $now"
> +               ls ${NANO_WORLDDIR}/${NANO_PKG_META_BASE}/pkg
> +               echo "==="
> +
> +
> +               if [ $now -eq $todo ] ; then
> +                       echo "DONE $now packages"
> +                       break
> +               elif [ $now -eq $have ] ; then
> +                       echo "FAILED: Nothing happened on this pass"
> +                       exit 2
> +               fi
> +       done
> +       nano_rm -rf ${NANO_WORLDDIR}/Pkg
> +)
> +
> +cust_pkgng () (
> +
> +       # If the package directory doesn't exist, we're done.
> +       if [ ! -d ${NANO_PACKAGE_DIR} ]; then
> +               echo "DONE 0 packages"
> +               return 0
> +       fi
> +
> +       # Find a pkg-* package
> +       for x in `find -s ${NANO_PACKAGE_DIR} -iname 'pkg-*'`; do
> +               _NANO_PKG_PACKAGE=`basename "$x"`
> +       done
> +       if [ -z "${_NANO_PKG_PACKAGE}" -o ! -f "${NANO_PACKAGE_DIR}/${_NANO_PKG_PACKAGE}" ]; then
> +               echo "FAILED: need a pkg/ package for bootstrapping"
> +               exit 2
> +       fi
> +
> +       # Copy packages into chroot
> +       mkdir -p ${NANO_WORLDDIR}/Pkg
> +       (
> +               cd ${NANO_PACKAGE_DIR}
> +               find ${NANO_PACKAGE_LIST} -print |
> +               cpio -Ldumpv ${NANO_WORLDDIR}/Pkg
> +       )
> +
> +       #Bootstrap pkg
> +       CR env ASSUME_ALWAYS_YES=YES SIGNATURE_TYPE=none /usr/sbin/pkg add /Pkg/${_NANO_PKG_PACKAGE}
> +       CR pkg -N >/dev/null 2>&1
> +       if [ "$?" -ne "0" ]; then
> +               echo "FAILED: pkg bootstrapping faied"
> +               exit 2
> +       fi
> +       nano_rm -f ${NANO_WORLDDIR}/Pkg/pkg-*
> +
> +       # Count & report how many we have to install
> +       todo=`ls ${NANO_WORLDDIR}/Pkg | /usr/bin/wc -l`
> +       todo=$(expr $todo + 1) # add one for pkg since it is installed already
> +       echo "=== TODO: $todo"
> +       ls ${NANO_WORLDDIR}/Pkg
> +       echo "==="
> +       while true
> +       do
> +               # Record how many we have now
> +               have=$(CR env ASSUME_ALWAYS_YES=YES /usr/sbin/pkg info | /usr/bin/wc -l)
> +
> +               # Attempt to install more packages
> +               CR0 'ls 'Pkg/*txz' | xargs env ASSUME_ALWAYS_YES=YES /usr/sbin/pkg add'
> +
> +               # See what that got us
> +               now=$(CR env ASSUME_ALWAYS_YES=YES /usr/sbin/pkg info | /usr/bin/wc -l)
> +               echo "=== NOW $now"
> +               CR env ASSUME_ALWAYS_YES=YES /usr/sbin/pkg info
> +               echo "==="
> +               if [ $now -eq $todo ] ; then
> +                       echo "DONE $now packages"
> +                       break
> +               elif [ $now -eq $have ] ; then
> +                       echo "FAILED: Nothing happened on this pass"
> +                       exit 2
> +               fi
> +       done
> +       nano_rm -rf ${NANO_WORLDDIR}/Pkg
> +)
> +
> +#######################################################################
> +# Convenience function:
> +#      Register all args as customize function.
> +
> +customize_cmd () {
> +       NANO_CUSTOMIZE="$NANO_CUSTOMIZE $*"
> +}
> +
> +#######################################################################
> +# Convenience function:
> +#      Register all args as late customize function to run just before
> +#      image creation.
> +
> +late_customize_cmd () {
> +       NANO_LATE_CUSTOMIZE="$NANO_LATE_CUSTOMIZE $*"
> +}
> +
> +#######################################################################
> +#
> +# All set up to go...
> +#
> +#######################################################################
> +
> +# Progress Print
> +#      Print $2 at level $1.
> +pprint() (
> +    if [ "$1" -le $PPLEVEL ]; then
> +       runtime=$(( `date +%s` - $NANO_STARTTIME ))
> +       printf "%s %.${1}s %s\n" "`date -u -r $runtime +%H:%M:%S`" "#####" "$2" 1>&3
> +    fi
> +)
> +
> +usage () {
> +       (
> +       echo "Usage: $0 [-bfiKknqvw] [-c config_file]"
> +       echo "  -b      suppress builds (both kernel and world)"
> +       echo "  -c      specify config file"
> +       echo "  -f      suppress code slice extraction"
> +       echo "  -i      suppress disk image build"
> +       echo "  -K      suppress installkernel"
> +       echo "  -k      suppress buildkernel"
> +       echo "  -n      add -DNO_CLEAN to buildworld, buildkernel, etc"
> +       echo "  -q      make output more quiet"
> +       echo "  -v      make output more verbose"
> +       echo "  -w      suppress buildworld"
> +       ) 1>&2
> +       exit 2
> +}
> +
> +#######################################################################
> +# Setup and Export Internal variables
> +#
> +
> +export_var() {
> +       var=$1
> +       # Lookup value of the variable.
> +       eval val=\$$var
> +       pprint 3 "Setting variable: $var=\"$val\""
> +       export $1
> +}
> +
> +# Call this function to set defaults _after_ parsing options.
> +set_defaults_and_export() {
> +       test -n "${NANO_OBJ}" || NANO_OBJ=/usr/obj/nanobsd.${NANO_NAME}
> +       test -n "${MAKEOBJDIRPREFIX}" || MAKEOBJDIRPREFIX=${NANO_OBJ}
> +       test -n "${NANO_DISKIMGDIR}" || NANO_DISKIMGDIR=${NANO_OBJ}
> +       NANO_WORLDDIR=${NANO_OBJ}/_.w
> +       NANO_MAKE_CONF_BUILD=${MAKEOBJDIRPREFIX}/make.conf.build
> +       NANO_MAKE_CONF_INSTALL=${NANO_OBJ}/make.conf.install
> +
> +       # Override user's NANO_DRIVE if they specified a NANO_LABEL
> +       [ ! -z "${NANO_LABEL}" ] && NANO_DRIVE="ufs/${NANO_LABEL}"
> +
> +       # Set a default NANO_TOOLS to NANO_SRC/NANO_TOOLS if it exists.
> +       [ ! -d "${NANO_TOOLS}" ] && [ -d "${NANO_SRC}/${NANO_TOOLS}" ] && \
> +               NANO_TOOLS="${NANO_SRC}/${NANO_TOOLS}"
> +
> +       NANO_STARTTIME=`date +%s`
> +       pprint 3 "Exporting NanoBSD variables"
> +       export_var MAKEOBJDIRPREFIX
> +       export_var NANO_ARCH
> +       export_var NANO_CODESIZE
> +       export_var NANO_CONFSIZE
> +       export_var NANO_CUSTOMIZE
> +       export_var NANO_DATASIZE
> +       export_var NANO_DRIVE
> +       export_var NANO_HEADS
> +       export_var NANO_IMAGES
> +       export_var NANO_IMGNAME
> +       export_var NANO_MAKE
> +       export_var NANO_MAKE_CONF_BUILD
> +       export_var NANO_MAKE_CONF_INSTALL
> +       export_var NANO_MEDIASIZE
> +       export_var NANO_NAME
> +       export_var NANO_NEWFS
> +       export_var NANO_OBJ
> +       export_var NANO_PMAKE
> +       export_var NANO_SECTS
> +       export_var NANO_SRC
> +       export_var NANO_TOOLS
> +       export_var NANO_WORLDDIR
> +       export_var NANO_BOOT0CFG
> +       export_var NANO_BOOTLOADER
> +       export_var NANO_LABEL
> +       export_var NANO_MODULES
> +}
>
> Modified: head/tools/tools/nanobsd/nanobsd.sh
> ==============================================================================
> --- head/tools/tools/nanobsd/nanobsd.sh Tue Dec 16 16:23:54 2014        (r275831)
> +++ head/tools/tools/nanobsd/nanobsd.sh Tue Dec 16 17:59:05 2014        (r275832)
> @@ -29,900 +29,9 @@
>
>  set -e
>
> -#######################################################################
> -#
> -# Setup default values for all controlling variables.
> -# These values can be overridden from the config file(s)
> -#
> -#######################################################################
> -
> -# Name of this NanoBSD build.  (Used to construct workdir names)
>
> *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
>


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