search for vol_id and use retrocompatible options

[ext/instance-debootstrap.git] / import

diff --git a/import b/import
index 2803756..19ea796 100755 (executable)
--- a/import
+++ b/import
@@ -19,38 +19,46 @@
 
 set -e
 
-TEMP=`getopt -o i:b:s: -n '$0' -- "$@"`
+. common.sh
 
-if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
-
-# Note the quotes around `$TEMP': they are essential!
-eval set -- "$TEMP"
-
-while true; do 
-       case "$1" in
-               -i) instance=$2; shift 2;;
-
-               -b) blockdev=$2; shift 2;;
-
-               -s) swapdev=$2; shift 2;;
-
-               --) shift; break;;
-
-               *)  echo "Internal error!"; exit 1;;
-       esac
-done
-if [ -z "$instance" -o -z "$blockdev" -o -z "$swapdev" ]; then
-       echo "Missing -i or -b or -s argument!"
-       exit 1
+mke2fs -Fjq $blockdev
+root_uuid=$($VOL_ID -u $blockdev )
+if [ -n "$swapdev" ]; then
+  mkswap $swapdev
+  swap_uuid=$($VOL_ID -u $swapdev )
 fi
 
-mkswap $swapdev
-mke2fs -Fjq $blockdev
 TMPDIR=`mktemp -d` || exit 1
 trap "umount $TMPDIR; rmdir $TMPDIR" EXIT
-mount $blockdev $TMPDIR
+
+# If it's not a block device try to mount it via loopback device.
+# This is needed for file disks.
+MOUNT_OPTIONS=""
+if [ ! -b $blockdev ]; then
+  MOUNT_OPTIONS="$MOUNT_OPTIONS -o loop"
+fi
+mount $MOUNT_OPTIONS $blockdev $TMPDIR
+
 ( cd $TMPDIR; restore -r -y -f - )
 rm -f $TMPDIR/etc/udev/rules.d/z25_persistent-net.rules
+
+# Fix /etc/fstab with the new volumes' UUIDs
+if [ -e $TMPDIR/etc/fstab ]; then
+  ROOT_LINE="UUID=$root_uuid  /     ext3  defaults  0  1"
+  if [ -n "$swapdev" ]; then
+    SWAP_LINE="UUID=$swap_uuid  swap  swap  defaults  0  0"
+    cat $TMPDIR/etc/fstab | \
+      sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \
+          -re "s#^(/dev/sdb|UUID=[a-f0-9-]+)\s+swap\s+.*\$#$SWAP_LINE#" \
+      > $TMPDIR/etc/fstab.new
+  else
+    cat $TMPDIR/etc/fstab | \
+      sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \
+      > $TMPDIR/etc/fstab.new
+  fi
+  mv $TMPDIR/etc/fstab.new  $TMPDIR/etc/fstab
+fi
+
 umount $TMPDIR
 rmdir $TMPDIR
 trap - EXIT