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#! /bin/sh
# $NetBSD: mkpkgs,v 1.1 2012/01/15 02:01:02 agc Exp $
# Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org>
# 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 ``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 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.
#
# find next available vnd device, from kre
next_avail ()
{
local dev="$1"
local N=$(( ${#dev} + 1 ))
local unit units
units=$(
sysctl -n hw.disknames |
tr ' ' '\012' |
grep '^'"${dev}"'[0-9]' |
sort -n -k 1.$N )
test -z "${units}" && {
test -e "/dev/${dev}0a" || {
echo >&2 "No ${dev}s available!"
return 1
}
echo "${dev}0"
return
}
N=0
for unit in ${units}
do
if [ "${unit}" = "${dev}${N}" ]
then
N=$(( N + 1 ))
else
echo "${dev}${N}"
return
fi
done
test -e /dev/"${dev}${N}a" || {
echo >&2 "All ${dev}s in use"
return 1
}
echo "${dev}${N}"
}
# find the size of the gzipped files in a .tgz archive
sizeone() {
case "$1" in
*.tgz|*.tar.gz)
tar tvzf "$1" | awk '{ tot += $5 } END { print tot }'
;;
*.tbz|*.tar.bz2)
tar tvjf "$1" | awk '{ tot += $5 } END { print tot }'
;;
*)
echo 0
;;
esac
}
pkgdir=/usr/pkgsrc/packages/All
size=0 # in MB
image=pkgs.img
pkgs="digest screen sudo"
bar="==="
while [ $# -gt 0 ]; do
case "$1" in
-S) pkgdir=$2; shift ;;
-o) image=$2; shift ;;
-s) size=$2; shift ;;
-x) set -x ;;
*) break ;;
esac
shift
done
while [ $# -gt 0 ]; do
# take the next argument as being the image name
pkgs="${pkgs} $1"
shift
done
# find the size of the fs needed
total=0
for p in ${pkgs}; do
total=$(expr $total + $(sizeone ${pkgdir}/${p}-*.tgz))
done
total=$(expr \( $total / 1000000 \) + 2)
if [ $size -eq 0 ]; then
# auto-size the pkgs fs
size=${total}
else
# check that we've been given enough space
if [ ${total} -gt ${size} ]; then
echo "File system size given as ${size} MB, but it needs ${total} MB" >&2
exit 1
fi
fi
echo "${bar} making a new ${size} MB image in ${image} ${bar}"
dd if=/dev/zero of=${image} bs=1m count=${size}
vnddev=$(next_avail vnd)
echo "${bar} mounting image via vnd ${vnddev} ${bar}"
sudo vnconfig ${vnddev} ${image}
sudo newfs /dev/r${vnddev}a
sudo mount /dev/${vnddev}a /mnt
echo "${bar} installing packages ${bar}"
sudo mkdir -p /mnt/usr/pkg/.dbdir
for p in ${pkgs}; do
echo "${bar} Installing ${p} ${bar}"
sudo pkg_add -K /usr/pkg/.dbdir -P /mnt -v ${pkgdir}/${p}-*.tgz
done
df /mnt
sudo umount /mnt
sudo vnconfig -u ${vnddev}
exit 0
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