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

   1 #! /bin/sh -e
   2
   3 vg=vg-$(hostname)
   4 lvsz=-L8g
   5 mirror=http://deb.debian.org/debian/
   6 myarch=$(dpkg-architecture -qDEB_HOST_ARCH) qemup=nil; unset myqarch
   7 eval $(apt-config -c /usr/local.schroot/config/apt/conf.d/90local \
   8   shell http_proxy Acquire::http::proxy)
   9 case ${http_proxy+t} in t) export http_proxy ;; esac
  10
  11 badp=nil forcep=nil dbsopts= crossp=nil; unset qemu
  12 while getopts "a:e:fm:q:Qv:z:x" opt; do
  13   case $opt in
  14     a) myarch=$OPTARG ;;
  15     f) forcep=t ;;
  16     m) mirror=$OPTARG ;;
  17     q) myqarch=$OPTARG ;;
  18     Q) qemup=t dbsopts=--foreign ;;
  19     v) vg=$OPTARG ;;
  20     x) crossp=t ;;
  21     z) lvsz=-$OPTARG ;;
  22     *) badp=t ;;
  23   esac
  24 done
  25 shift $(( $OPTIND - 1 ))
  26 case $# in 0) badp=t ;; esac
  27 case $badp in
  28   t)
  29     cat >&2 <<EOF
  30 usage: $0 [-fxQ] [-a MYARCH] [-m MIRROR] [-q MYQARCH] [-v VG] [-z LVSZ]
  31         DIST-ARCH ...
  32 EOF
  33     exit 1
  34     ;;
  35 esac
  36 case ${myqarch+t} in t) ;; *) myqarch=$myarch ;; esac
  37 for arg in "$@"; do
  38   case $arg in *-*-*) echo >&2 "$0: bad chroot name \`$arg'"; exit 1 ;; esac
  39 done
  40 if [ ! -d /dev/$vg/ ]; then echo >&2 "$0: no volume group \`$vg'"; exit 1; fi
  41
  42 for arg in "$@"; do
  43   d=${arg%-*} a=${arg#*-}
  44   mnt=/mnt/chroot/$d-$a
  45   mkdir -p $mnt
  46   if mountpoint -q $mnt; then umount $mnt; fi
  47   if [ -b /dev/$vg/$d-$a ]; then
  48     case $forcep in
  49       nil) echo >&2 "$0: volume \`$d-$a' already exists"; exit 1 ;;
  50       t) lvremove -f $vg/$d-$a ;;
  51     esac
  52   fi
  53   lvcreate --yes $lvsz -n$arg $vg
  54   mkfs -j -L$arg /dev/$vg/$arg
  55   mount -orelatime,data=writeback,commit=3600,barrier=0 /dev/$vg/$arg $mnt/
  56   mkdir -m755 $mnt/fs/
  57   chmod 750 $mnt/
  58   pkgs=ccache,eatmydata,fakeroot,libfile-fcntllock-perl,locales,tzdata
  59   case $crossp in nil) pkgs=$pkgs,build-essential ;; esac
  60   eatmydata debootstrap $dbsopts --arch=$a --variant=minbase --include=$pkgs \
  61     $d $mnt/fs/ $mirror
  62   case $qemup in
  63     t)
  64       case $a in
  65         armel | armhf) qarch=arm ;;
  66         arm64) qarch=aarch64 ;;
  67         amd64) qarch=x86_64 ;;
  68         i386) qarch=i386 ;;
  69         *) echo >&2 "$0: no qemu arch for $a"; exit 1 ;;
  70       esac
  71       qemu=qemu-$qarch-static
  72       install /usr/local.schroot/cross/$d-$myqarch/QEMU/$qemu $mnt/fs/usr/bin/
  73       chroot $mnt/fs/ /debootstrap/debootstrap --second-stage
  74       ln -sf /usr/local.schroot/cross/$d-$myqarch/QEMU/$qemu $mnt/fs/usr/bin/
  75       ;;
  76   esac
  77   cd $mnt/fs/usr/
  78   rm -rf local/; ln -s local.schroot/$a local
  79   cd $mnt/fs/etc/apt/
  80   rm -rf apt.conf sources.list
  81   ln -s /usr/local.schroot/config/apt/conf.d/10sbuild apt.conf.d/
  82   ln -s /usr/local.schroot/config/apt/conf.d/90local apt.conf.d/
  83   ln -s /usr/local.schroot/config/apt/sources.$d sources.list
  84   cat >apt.conf.d/20arch <<EOF
  85 ### -*-conf-*-
  86
  87 APT {
  88         Architecture "$a";
  89 };
  90 EOF
  91   cd $mnt/fs/etc/
  92   cp /etc/locale.gen /etc/timezone ./
  93   tz=$(cat timezone); ln -sf /usr/share/zoneinfo/$tz localtime
  94   ln -sf /proc/mounts mtab
  95   cd $mnt/fs/etc/default/
  96   cp /etc/default/locale .
  97   cd $mnt/fs/usr/sbin/
  98   cat >policy-rc.d <<EOF
  99 #! /bin/sh
 100 echo >&2 "policy-rc.d: Services disabled by policy."
 101 exit 101
 102 EOF
 103   chmod +x policy-rc.d
 104   cd $mnt/fs/etc/ld.so.conf.d/
 105   cat >libc.conf <<EOF
 106 # libc default configuration
 107 EOF
 108   cat >zzz-local.conf <<EOF
 109 ### -*-conf-*-
 110 ### Local hack to make /usr/local/ late.
 111 /usr/local/lib
 112 EOF
 113   cd /
 114   umount $mnt/
 115   case $qemup in
 116     t)
 117       schroot -uroot -csource:$d-$a -- eatmydata sh -e -c "
 118         if dpkg-divert >/dev/null 2>&1 --no-rename --help
 119         then no_rename=--no-rename
 120         else no_rename=
 121         fi
 122
 123         dpkg-divert --package install-cross-tools \$no_rename \
 124           --divert /usr/bin/$qemu.$a --add /usr/bin/$qemu"
 125       /usr/local.schroot/maint/install-cross-tools -a$myarch -q$myqarch $d-$a
 126       ;;
 127   esac
 128   schroot -uroot -csource:$d-$a -- eatmydata sh -e -c '
 129         apt-get update
 130         apt-get -y upgrade
 131         locale-gen
 132         ldconfig
 133         apt-get -y autoremove
 134         apt-get clean'
 135 done