mdw@git.distorted.org.uk Git - distorted-chroot/blob - bin/mkbuildchroot

   1 #! /bin/sh -e
   2 ###
   3 ### Construct a fresh build-chroot base
   4 ###
   5 ### (c) 2018 Mark Wooding
   6 ###
   7
   8 ###----- Licensing notice ---------------------------------------------------
   9 ###
  10 ### This file is part of the distorted.org.uk chroot maintenance tools.
  11 ###
  12 ### distorted-chroot is free software: you can redistribute it and/or
  13 ### modify it under the terms of the GNU General Public License as
  14 ### published by the Free Software Foundation; either version 2 of the
  15 ### License, or (at your option) any later version.
  16 ###
  17 ### distorted-chroot is distributed in the hope that it will be useful,
  18 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20 ### General Public License for more details.
  21 ###
  22 ### You should have received a copy of the GNU General Public License
  23 ### along with distorted-chroot.  If not, write to the Free Software
  24 ### Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  25 ### USA.
  26
  27 . state/config.sh # @@@config@@@
  28
  29 case $PROXY in nil) ;; *) http_proxy=$PROXY; export PROXY ;; esac
  30
  31 badp=nil forcep=nil
  32 while getopts "f" opt; do
  33   case $opt in
  34     f) forcep=t ;;
  35     *) badp=t ;;
  36   esac
  37 done
  38 shift $(( $OPTIND - 1 ))
  39 case $# in 2) ;; *) badp=t ;; esac
  40 case $badp in t) echo >&2 "usage: $0 [-f] DIST ARCH"; exit 2 ;; esac
  41 d=$1 a=$2
  42
  43 case $d-$a in *-*-*) echo >&2 "$0: bad chroot name \`$arg'"; exit 2 ;; esac
  44 if [ ! -d /dev/$VG/ ]; then echo >&2 "$0: no volume group \`$VG'"; exit 2; fi
  45
  46 qemup=nil dbsopts=
  47 for fa in $FOREIGN_ARCHS; do
  48   case $fa in
  49     "$a")
  50       qemup=t qbsopts=--foreign
  51       eval qhost=\$${a}_QEMUARCH qhost=\$${a}_QEMUHOST
  52       break
  53       ;;
  54   esac
  55 done
  56
  57 lv=$LVPREFIX$d-$a
  58 mnt=mnt/$lv
  59 mkdir -p $mnt
  60 if mountpoint -q $mnt; then umount $mnt; fi
  61 if [ -b /dev/$VG/$lv ]; then
  62   case $forcep in
  63     nil) echo >&2 "$0: volume \`$lv' already exists"; exit 2 ;;
  64     t) lvremove -f $VG/$lv ;;
  65   esac
  66 fi
  67 lvcreate --yes $LVSZ -n$lv $VG
  68 mkfs -j -L$d-$a /dev/$VG/$lv
  69 mount -orelatime,data=writeback,commit=3600,barrier=0 /dev/$VG/$lv $mnt/
  70 mkdir -m755 $mnt/fs/
  71 chmod 750 $mnt/
  72 pkgs=ccache,eatmydata,fakeroot,libfile-fcntllock-perl,locales,tzdata
  73 eatmydata debootstrap $dbsopts --arch=$a --variant=minbase \
  74           --include=$pkgs $d $mnt/fs/ $DEBMIRROR
  75
  76 case $qemup in
  77   t)
  78     install $LOCAL/cross/$d-$qhost/QEMU/qemu-$qarch-static \
  79             $mnt/fs/usr/bin/
  80     chroot $mnt/fs/ /debootstrap/debootstrap --second-stage
  81     ln -sf /usr/local.schroot/cross/$d-$qhost/QEMU/qemu-$qarch-static \
  82        $mnt/fs/usr/bin/
  83     ;;
  84 esac
  85
  86 cd $mnt/fs/usr/
  87 rm -rf local/; ln -s local.schroot/$a local
  88
  89 cd $mnt/fs/etc/apt/
  90 rm -rf apt.conf sources.list
  91 ln -s /usr/local.schroot/config/apt/conf.d/10sbuild apt.conf.d/
  92 ln -s /usr/local.schroot/config/apt/conf.d/90local apt.conf.d/
  93 ln -s /usr/local.schroot/config/apt/sources.$d sources.list
  94
  95 cat >apt.conf.d/20arch <<EOF
  96 ### -*-conf-*-
  97
  98 APT {
  99         Architecture "$a";
 100 };
 101 EOF
 102
 103 cd $mnt/fs/etc/
 104 cp /etc/locale.gen /etc/timezone ./
 105 tz=$(cat timezone); ln -sf /usr/share/zoneinfo/$tz localtime
 106 ln -sf /proc/mounts mtab
 107
 108 cd $mnt/fs/etc/default/
 109 cp /etc/default/locale .
 110
 111 cd $mnt/fs/usr/sbin/
 112 cat >policy-rc.d <<EOF
 113 #! /bin/sh
 114 echo >&2 "policy-rc.d: Services disabled by policy."
 115 exit 101
 116 EOF
 117 chmod +x policy-rc.d
 118
 119 cd $mnt/fs/etc/ld.so.conf.d/
 120 cat >libc.conf <<EOF
 121 # libc default configuration
 122 EOF
 123 cat >zzz-local.conf <<EOF
 124 ### -*-conf-*-
 125 ### Local hack to make /usr/local/ late.
 126 /usr/local/lib
 127 EOF
 128
 129 cd /
 130 umount $mnt/
 131
 132 case $qemup in
 133   t)
 134     schroot -uroot -csource:$LVPREFIX$d-$a -- eatmydata sh -e -c "
 135         if dpkg-divert >/dev/null 2>&1 --no-rename --help
 136         then no_rename=--no-rename
 137         else no_rename=
 138         fi
 139
 140         dpkg-divert --package install-cross-tools \$no_rename \
 141           --divert /usr/bin/$qemu.$a --add /usr/bin/$qemu"
 142     $STATE/bin/install-cross-tools $d $a
 143     ;;
 144 esac
 145
 146 schroot -uroot -csource:$LVPREFIX$d-$a -- eatmydata sh -e -c '
 147         apt-get update
 148         apt-get -y upgrade
 149         locale-gen
 150         ldconfig
 151         apt-get -y autoremove
 152         apt-get clean'
 153
 154 ###----- That's all, folks --------------------------------------------------