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      1 #! /bin/sh
      2 
      3 # $NetBSD: mkpkgs,v 1.1 2012/01/15 02:01:02 agc Exp $
      4 
      5 # Copyright (c) 2012 Alistair Crooks <agc (at] NetBSD.org>
      6 # All rights reserved.
      7 #
      8 # Redistribution and use in source and binary forms, with or without
      9 # modification, are permitted provided that the following conditions
     10 # are met:
     11 # 1. Redistributions of source code must retain the above copyright
     12 #    notice, this list of conditions and the following disclaimer.
     13 # 2. Redistributions in binary form must reproduce the above copyright
     14 #    notice, this list of conditions and the following disclaimer in the
     15 #    documentation and/or other materials provided with the distribution.
     16 #
     17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 #
     28 
     29 # find next available vnd device, from kre
     30 next_avail ()
     31 {
     32 	local dev="$1"
     33 	local N=$(( ${#dev} + 1 ))
     34 	local unit units
     35 
     36 	units=$(
     37 		sysctl -n hw.disknames		|
     38 			tr ' ' '\012'		|
     39 			grep '^'"${dev}"'[0-9]'	|
     40 			sort -n -k 1.$N			)
     41 
     42 	test -z "${units}" && {
     43 		test -e "/dev/${dev}0a" || {
     44 			echo >&2 "No ${dev}s available!"
     45 			return 1
     46 		}
     47 		echo "${dev}0"
     48 		return
     49 	}
     50 
     51 	N=0
     52 	for unit in ${units}
     53 	do
     54 		if [ "${unit}" = "${dev}${N}" ]
     55 		then
     56 			N=$(( N + 1 ))
     57 		else
     58 			echo "${dev}${N}"
     59 			return
     60 		fi
     61 	done
     62 
     63 	test -e /dev/"${dev}${N}a" || {
     64 		echo >&2 "All ${dev}s in use"
     65 		return 1
     66 	}
     67 
     68 	echo "${dev}${N}"
     69 }
     70 
     71 # find the size of the gzipped files in a .tgz archive
     72 sizeone() {
     73         case "$1" in
     74         *.tgz|*.tar.gz)
     75                 tar tvzf "$1" | awk '{ tot += $5 } END { print tot }'
     76                 ;;
     77         *.tbz|*.tar.bz2)
     78                 tar tvjf "$1" | awk '{ tot += $5 } END { print tot }'
     79                 ;;
     80         *)
     81                 echo 0
     82                 ;;
     83         esac
     84 }
     85 
     86 pkgdir=/usr/pkgsrc/packages/All
     87 size=0	# in MB
     88 image=pkgs.img
     89 pkgs="digest screen sudo"
     90 bar="==="
     91 
     92 while [ $# -gt 0 ]; do
     93 	case "$1" in
     94 	-S)	pkgdir=$2; shift ;;
     95 	-o)	image=$2; shift ;;
     96 	-s)	size=$2; shift ;;
     97 	-x)	set -x ;;
     98 	*)	break ;;
     99 	esac
    100 	shift
    101 done
    102 
    103 while [ $# -gt 0 ]; do
    104 	# take the next argument as being the image name
    105 	pkgs="${pkgs} $1"
    106 	shift
    107 done
    108 
    109 # find the size of the fs needed
    110 total=0
    111 for p in ${pkgs}; do
    112 	total=$(expr $total + $(sizeone ${pkgdir}/${p}-*.tgz))
    113 done
    114 total=$(expr \( $total / 1000000 \) + 2)
    115 if [ $size -eq 0 ]; then
    116 	# auto-size the pkgs fs
    117 	size=${total}
    118 else
    119 	# check that we've been given enough space
    120 	if [ ${total} -gt ${size} ]; then
    121 		echo "File system size given as ${size} MB, but it needs ${total} MB" >&2
    122 		exit 1
    123 	fi
    124 fi
    125 
    126 echo "${bar} making a new ${size} MB image in ${image} ${bar}"
    127 dd if=/dev/zero of=${image} bs=1m count=${size}
    128 
    129 vnddev=$(next_avail vnd)
    130 echo "${bar} mounting image via vnd ${vnddev} ${bar}"
    131 sudo vnconfig ${vnddev} ${image}
    132 sudo newfs /dev/r${vnddev}a
    133 sudo mount /dev/${vnddev}a /mnt
    134 
    135 echo "${bar} installing packages ${bar}"
    136 sudo mkdir -p /mnt/usr/pkg/.dbdir
    137 for p in ${pkgs}; do
    138 	echo "${bar} Installing ${p} ${bar}"
    139 	sudo pkg_add -K /usr/pkg/.dbdir -P /mnt -v ${pkgdir}/${p}-*.tgz
    140 done
    141 
    142 df /mnt
    143 
    144 sudo umount /mnt
    145 sudo vnconfig -u ${vnddev}
    146 
    147 exit 0
    148