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 : ${include=curl,file,less,locales,sudo,vim,whois}
  12
  13 [ "${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     repo="file://${jseed}/debian"
  27   else
  28     repo="http://archive.debian.org/debian"
  29   fi
  30 }
  31
  32 keyring="${jseed}/debian/debian-archive-keyring.gpg"
  33 [ -f "${keyring}" ] || unset keyring
  34
  35 mkdir -p "${jroot}/var/cache/apt/archives"
  36
  37 [ ! -d "${jseed}/debian/debs" ] || {
  38   echo "Seeding deb archives" >&2
  39   ( cd "${jseed}/debian/debs"; find . | cpio -pl "${jroot}/var/cache/apt/archives" )
  40 }
  41
  42 cmd="debootstrap '--arch=${arch}' ${keyring+'--keyring=${jseed}/debian/debian-archive-keyring.gpg'} '--include=${include}' '${suite}' '${jroot}' '${repo}'"
  43 echo "Executing: ${cmd}"
  44 eval "${cmd}"
  45
  46 # Make sure locales are generated on first start
  47 mkdir -p "${jroot}/etc/rcJ.d"
  48 cat > "${jroot}/etc/rcJ.d/S00localegen" <<"EOF"
  49 #!/bin/sh
  50 /bin/sed -i '/en_US/s/^# //' /etc/locale.gen
  51 /usr/sbin/locale-gen
  52 /bin/rm -f "${0}"
  53 EOF
  54 chmod 755 "${jroot}/etc/rcJ.d/S00localegen"
  55
  56 echo "Adding user"
  57 printf '$a\n%%sudo ALL=(ALL) NOPASSWD: ALL' | ed "${jroot}/etc/sudoers"
  58 user="${ORIG_USER}"
  59 uid="$(id -u "${ORIG_USER}")"
  60 [ "${user}" -a "${uid}" ] || { echo "Cannot add nonexistent user"; false; }
  61 chroot "${jroot}" /usr/sbin/useradd -m -o -u "${uid}" -G root,sudo "${user}"
  62 echo "Propagating password hash"
  63 [ -f /etc/shadow ] && {
  64   hash="$(grep "^${user}:" /etc/shadow | cut -d: -f2)"
  65   [ "${hash}" ] && sed -i "s?^${user}:[^:]*:?${user}:${hash}:?" "${jroot}/etc/shadow"
  66 }