Added cmdline option for specifying target architecture

[grml-debootstrap.git] / grml-debootstrap

diff --git a/grml-debootstrap b/grml-debootstrap
index 64b46d5..b693666 100755 (executable)
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -51,6 +51,8 @@ Bootstrap options:
                            \$TARGET in grub syntax, like hd0,0 for /dev/sda1.
       --grub <device>    Target for grub installation. Use grub syntax for
                            specifying, like hd0 for /dev/sda.
+      --arch <arch>      Architecture to use. Currently only i386 and amd64
+                           are supported.
 
 Configuration options:
 
@@ -149,6 +151,7 @@ fi
 [ "$_opt_bootappend" ]          && BOOT_APPEND=$_opt_bootappend
 [ "$_opt_groot" ]               && GROOT=$_opt_groot
 [ "$_opt_grub" ]                && GRUB=$_opt_grub
+[ "$_opt_arch" ]                && ARCH=$_opt_arch
 [ "$_opt_verbose" ]             && VERBOSE="-v"
 
 [ "$_opt_help" ] && {
@@ -179,7 +182,7 @@ prompt_for_target()
   AVAILABLE_PARTITIONS=$(LANG=C fdisk -l 2>/dev/null | \
                sed 's/*//' | \
                grep -v 'Extended$' | \
-               gawk -v num=0 -v ORS=' ' '/^\/dev\// {print $1}'; echo /dev/md*);
+               gawk -v num=0 -v ORS=' ' '/^\/dev\// {print $1}'; ls /dev/md* 2>/dev/null || true);
 
   if [ -z "$AVAILABLE_PARTITIONS" ] ; then
      dialog --title "$PN" --trim \
@@ -203,22 +206,39 @@ prompt_for_target()
 prompt_for_bootmanager()
 {
   ADDITIONAL_PARAMS=""
-  for device in sda hda; do
-    if [ /dev/$device != ${TARGET%[0-9]} ]; then
+
+  if echo "$TARGET" | grep -q "/dev/md" ; then
+     MBRPART="all disks of Software RAID $TARGET"
+  else
+     # figure out whole disk device
+     found=
+     for device in /dev/disk/by-id/*
+     do
+        [ $(readlink -f $device) = ${TARGET} ] || continue
+        found=1
+        break
+     done
+     [ -n "$found" ] && MBRDISK=$(echo ${device}|sed -e 's/-part[0-9][0-9]*$//')
+     if [ -e "$MBRDISK" ]; then
+        MBRDISK=$(readlink -f $MBRDISK)
+     else
+        # fall back to old behaviour
+        MBRDISK=$(echo ${TARGET} | sed -e 's/[0-9][0-9]*$/')
+     fi
+
+     MBRPART="MBR of $MBRDISK"
+  fi
+
+  for device in cciss/c0d0 sda hda; do
+    if [ /dev/$device != ${MBRDISK} ]; then
       grep -q $device /proc/partitions && \
-      ADDITIONAL_PARAMS=:$device:"install bootmanager grub into MBR of /dev/${device}"
+      ADDITIONAL_PARAMS="$ADDITIONAL_PARAMS:$device:install bootmanager grub into MBR of /dev/$device"
     fi
   done
   ADDITIONAL_PARAMS=${ADDITIONAL_PARAMS#:}
 
   OIFS="$IFS"; IFS=:
 
-  if echo $TARGET | grep -q "/dev/md" ; then
-     MBRPART="all disks of Software RAID $TARGET"
-  else
-     MBRPART="MBR of ${TARGET%[0-9]}"
-  fi
-
   GETMBR=$(dialog --stdout --title "$PN" --default-item mbr \
           --menu "Where do you want to install the bootmanager grub?" 0 0 0 \
             mbr       "install bootmanager into $MBRPART" \
@@ -231,10 +251,10 @@ prompt_for_bootmanager()
   case "$GETMBR" in
     mbr)
       # /dev/md0: has to be installed in MBR of /dev/md0 and not in /dev/md:
-      if echo $TARGET | grep -q "*md*" ; then
-         BOOT_PARTITION="${TARGET}"
+      if echo "$TARGET" | grep -q "/dev/md" ; then
+         BOOT_PARTITION="$TARGET"
       else
-         BOOT_PARTITION="${TARGET%[0-9]}"
+         BOOT_PARTITION="$MBRDISK"
       fi
       ;;
     partition)
@@ -492,13 +512,19 @@ else # if not running automatic installation display configuration and prompt fo
    einfo "$PN - Please recheck configuration before execution:"
    echo
    echo "   Target:          $TARGET"
-      case "$MNTPOINT" in "$TARGET") ;; *) echo "   Mount point:     $MNTPOINT" ;; esac
-      [ -n "$GRUB" ]    && echo "   Install grub:    $GRUB" || echo "   Install grub:    no"
-      [ -n "$RELEASE" ] && echo "   Using release:   $RELEASE"
-      [ -n "$MIRROR" ]  && echo "   Using mirror:    $MIRROR"
-      [ -n "$ISO" ]     && echo "   Using ISO:       $ISO"
-      case "$MNTPOINT" in "$TARGET") ;; *) echo "   Important! Continuing will delete all data from ${TARGET}!" ;; esac
-      echo
+
+   # do not display if MNTPOINT is the default one
+   case "$MNTPOINT" in /mnt/debootstrap*) ;; *) echo "   Mount point:     $MNTPOINT" ;; esac
+
+   [ -n "$GRUB" ]     && echo "   Install grub:    $GRUB" || echo "   Install grub:    no"
+   [ -n "$RELEASE" ]  && echo "   Using release:   $RELEASE"
+   [ -n "$MIRROR" ]   && echo "   Using mirror:    $MIRROR"
+   [ -n "$HOSTNAME" ] && echo "   Using hostname:  $HOSTNAME"
+   [ -n "$ISO" ]      && echo "   Using ISO:       $ISO"
+
+   echo "   Important! Continuing will delete all data from ${TARGET}!"
+
+   echo
    einfon "Is this ok for you? [y/N] "
    read a
    if ! [ "$a" = 'y' -o "$a" = 'Y' ] ; then
@@ -736,17 +762,18 @@ mount_target() {
 
 # install main chroot {{{
 debootstrap_system() {
-  if ! grep -q "$MNTPOINT" /proc/mounts ; then
-     mount_target
-  fi
   if [ "$_opt_nodebootstrap" ]; then
      einfo "Skipping debootstrap as requested."
      return
   fi
+
   if grep -q "$MNTPOINT" /proc/mounts || [ -n "$DIRECTORY" ] ; then
      einfo "Running $DEBOOTSTRAP $DEBOOTSTRAP_OPT for release ${RELEASE}${ARCHINFO} using ${MIRROR}${ISO}"
-     [ -n "$MIRROR" ] && $DEBOOTSTRAP $ARCHCMD $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR || \
-     $DEBOOTSTRAP $ARCHCMD $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $ISO
+     if [ -n "$MIRROR" ] ; then
+        $DEBOOTSTRAP $ARCHCMD $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR
+     else
+        $DEBOOTSTRAP $ARCHCMD $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $ISO
+     fi
      eend $?
   else
      eerror "Error: $MNTPOINT not mounted, can not continue."
@@ -779,7 +806,7 @@ preparechroot() {
 
   cp $VERBOSE $CONFFILES/chroot-script $MNTPOINT/bin/chroot-script
   chmod 755 $MNTPOINT/bin/chroot-script
-  mkdir $MNTPOINT/etc/debootstrap/
+  [ -d "$MNTPOINT"/etc/debootstrap/ ] || mkdir "$MNTPOINT"/etc/debootstrap/
 
   # make sure we have our files for later use via chroot-script
   cp $VERBOSE $CONFFILES/config    $MNTPOINT/etc/debootstrap/