seeds/debian.sh

   1 # Initialize a debian chroot using debootstrap into the provided directory
   2
   3 # Parameters that I want on the command line:
   4 # <arch> <suite> <repo>
   5
   6 [ "$(which debootstrap 2>&-)" ] || pebkac "j_init: debian: debootstrap not found"
   7
   8 : ${arch=${1}}
   9 : ${suite=${2}}
  10 : ${repo=${3}}
  11 : ${include=bash-completion,curl,file,less,locales,sudo,vim,whois}
  12
  13 [ "${arch}" ] || pebkac "Debian seed needs <arch> <suite> [repo]"
  14
  15 case "${arch}" in
  16 x86|i386) arch=i386 ;;
  17 amd64|x86_64|x64) arch=amd64 ;;
  18 *) pebkac "Unsupported arch '${arch}'" ;;
  19 esac
  20
  21 [ "${suite}" ] || pebkac "Debian seed needs <arch> <suite> [repo]"
  22
  23 [ "${repo}" ] || {
  24   if [ -f "${jseed}/debian/dists/${suite}/Release" ]
  25   then
  26     echo "Using local ${suite} pool for installation" >&2
  27     repo="file://${jseed}/debian"
  28   else
  29     case "${suite}" in
  30     buzz|rex|bo|hamm|slink|potato|woody|sarge|etch|lenny)
  31       repo="http://archive.debian.org/debian" ;;
  32     squeeze|wheezy|sid|*)
  33       repo="http://ftp.debian.org/debian" ;;
  34     esac
  35     echo "Using site '${repo}' for installation" >&2
  36   fi
  37 }
  38
  39 keyring="${jseed}/debian/debian-archive-keyring.gpg"
  40 [ -f "${keyring}" ] || unset keyring
  41
  42
  43 [ ! -d "${jseed}/debian/pool" ] || {
  44   echo "Seeding deb archives from local pool" >&2
  45   mkdir -p "${jroot}/var/cache/apt/archives"
  46   find "${jseed}/debian/pool" -name '*.deb' -exec cp -l {} "${jroot}/var/cache/apt/archives" \;
  47 }
  48
  49 cmd="debootstrap '--arch=${arch}' ${keyring+'--keyring=${jseed}/debian/debian-archive-keyring.gpg'} '--include=${include}' '${suite}' '${jroot}' '${repo}'"
  50 echo "Executing: ${cmd}"
  51 eval "${cmd}"
  52
  53 # Make sure locales are generated on first start
  54 mkdir -p "${jroot}/etc/rcJ.d"
  55 cat > "${jroot}/etc/rcJ.d/S00localegen" <<"EOF"
  56 #!/bin/sh
  57 /bin/sed -i '/en_US/s/^# //' /etc/locale.gen
  58 /usr/sbin/locale-gen
  59 /bin/rm -f "${0}"
  60 EOF
  61 chmod 755 "${jroot}/etc/rcJ.d/S00localegen"
  62
  63 echo "Adding user"
  64 printf '$a\n%%sudo ALL=(ALL) NOPASSWD: ALL' | ed "${jroot}/etc/sudoers"
  65 user="${ORIG_USER}"
  66 uid="$(id -u "${ORIG_USER}")"
  67 [ "${user}" -a "${uid}" ] || { echo "Cannot add nonexistent user"; false; }
  68 chroot "${jroot}" /usr/sbin/useradd -m -o -u "${uid}" -G root,sudo "${user}"
  69 echo "Propagating password hash"
  70 [ -f /etc/shadow ] && {
  71   hash="$(grep "^${user}:" /etc/shadow | cut -d: -f2)"
  72   [ "${hash}" ] && sed -i "s?^${user}:[^:]*:?${user}:${hash}:?" "${jroot}/etc/shadow"
  73 }