clonezilla 3.10.11-3 / usr / sbin / ocs-resize-part

#!/bin/bash
# Author: Steven Shiau <steven _at_ nchc org tw>
# License: GPL
#
# To solve the small partition image restored to larger partition problem.
#

DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"

. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
. /etc/drbl/drbl-ocs.conf
. $DRBL_SCRIPT_PATH/sbin/ocs-functions

# Settings
# By default we won't run ntfsfix before resizing it.
run_ntfsfix="no"

#
export LC_ALL=C

USAGE() {
   echo "Usage: [OPTION] device"
   echo "OPTION:"
   echo "-b, --batch  Run program in batch mode, i.e. without any prompt or wait to press enter."
   echo "-n, --ntfsfix  Run ntfsfix before resizing a NTFS partition."
   echo "Example: $0 /dev/sdc1"
}

# Parse command-line options
while [ $# -gt 0 ]; do
  case "$1" in
    -b|--batch)
            batch_mode="yes"
	    shift;;
    -n|--ntfsfix)
            run_ntfsfix="yes"
	    shift;;
    -*)     echo "${0}: ${1}: invalid option" >&2
            USAGE >& 2
            exit 2 ;;
    *)      break ;;
  esac
done

[ $# -ne 1 ] && USAGE && exit 1
partition="$1"

######
## main script
######
#
#
check_input_partition ${partition#/dev/*}

if [ -n "$(grep -Ew "^$partition" /proc/mounts)" ]; then
  echo "Partition $partition is already mounted! You must unmount it first! Program terminated!"
  [ -f "$part_info" ] && rm -f $part_info
  exit 1
fi
# check partition, if no such partition exist, exit, otherwise
# "parted $partition p" will hang
part_fs="$(ocs-get-part-info $partition filesystem)"
if [ -z "$part_fs" ]; then
  echo "Unknown or unsupported partition ($partition) found! Skip this partition ${partition}."
  exit 1
fi

part_start="$(ocs-get-part-info $partition start)"
part_end="$(ocs-get-part-info $partition end)"

case "$part_fs" in
   reiserfs)
              if ! which resize_reiserfs &> /dev/null; then
                 echo "resize_reiserfs: command not found! Skip resizing this partition ${partition}"
		 exit 1
	      fi
	      [ "$batch_mode" = "yes" ] && resize_reiserfs_opt="-f"
              echo "resize_reiserfs $resize_reiserfs_opt ${partition}"
              resize_reiserfs $resize_reiserfs_opt ${partition}
              ;;
   vfat|fat16|fat32)
              if ! which parted &> /dev/null; then
                 echo "Program parted not found! Skip this partition ${partition}"
		 exit 1
	      fi
	      [ "$batch_mode" = "yes" ] && parted_resize_opt="-s"
	      target_hd="/dev/$(get_diskname $partition)"
	      part_num="$(get_part_number $partition)"
              #  resize MINOR START END
              echo "parted $parted_resize_opt $target_hd resize $part_num $part_start $part_end"
              parted $parted_resize_opt $target_hd resize $part_num $part_start $part_end
              ;;
   ext2|ext3|ext4)
              if ! which e2fsck &> /dev/null || ! which resize2fs &> /dev/null ; then
                 echo "e2fsck: command not found! Skip resizing this partition ${partition}"
		 exit 1
	      fi
	      [ "$batch_mode" = "yes" ] && resize2fs_opt="-f"
              echo "e2fsck -f -y ${partition}; resize2fs -p $resize2fs_opt ${partition}"
              e2fsck -f -y ${partition}
              resize2fs -p $resize2fs_opt ${partition}
              ;;
        ntfs)
              if ! which ntfsresize &> /dev/null; then
                 echo "ntfsresize: command not found! Skip resizing this partition ${partition}"
		 exit 1
	      fi
	      [ "$batch_mode" = "yes" ] && ntfsresize_opt="-f -f"
              if [ "$run_ntfsfix" = "yes" ]; then
                ntfsfix ${partition}
	      fi
              echo "ntfsresize $ntfsresize_opt ${partition}"
              ntfsresize $ntfsresize_opt ${partition}
              ;;
        xfs)
              if ! type xfs_growfs &> /dev/null; then
                 echo "xfs_growfs: command not found! Skip growing this partition ${partition}"
		 exit 1
	      fi
	      XFS_TMP="$(mktemp -d /tmp/xfsmnt.XXXXXX)"
	      mount -t xfs ${partition} $XFS_TMP
	      rc=$?
	      if [ "$rc" -eq 0 ]; then
                echo "Runninig \"xfs_growfs ${partition}\"..."
                xfs_growfs ${partition}
		umount ${partition}
		rcm=$?
	        if [ "$rcm" -eq 0 ]; then
		  [ -d "$XFS_TMP" ] && rmdir $XFS_TMP
	        fi
	      else
	        echo "Failed to mount xfs partition ${partition}! Without mounting xfs partition, we can not increase the filesystem size to fit partition size!"
		echo "Program terminated!"
		exit 1
              fi
              ;;
        jfs)
	      # Ref: http://jfs.sourceforge.net/project/pub/faq.txt
	      # Q2. Can the size of the file system be increased?
	      # A2. Yes, you need release 1.0.21 or above for the file system. The FS must be mounted and you need to  use the -o remount option.
              # example: mount -o remount,resize /mount point
	      JFS_TMP="$(mktemp -d /tmp/jfsmnt.XXXXXX)"
	      mount -t jfs ${partition} $JFS_TMP
	      rc=$?
	      if [ "$rc" -eq 0 ]; then
                echo -n "Resizing jfs ${partition}\"... "
		mount -o remount,resize ${partition}
		echo "done!"
		umount ${partition}
		rcm=$?
	        if [ "$rcm" -eq 0 ]; then
		  [ -d "$JFS_TMP" ] && rmdir $JFS_TMP
	        fi
	      else
	        echo "Failed to mount jfs partition ${partition}! Without mounting jfs partition, we can not increase the filesystem size to fit partition size!"
		echo "Program terminated!"
		exit 1
              fi
              ;;
        btrfs)
              if ! type btrfs &> /dev/null; then
                 echo "btrfs: command not found! Skip growing this partition ${partition}"
		 exit 1
	      fi
	      BTRFS_TMP="$(mktemp -d /tmp/btrfsmnt.XXXXXX)"
	      mount -t btrfs ${partition} $BTRFS_TMP
	      rc=$?
	      if [ "$rc" -eq 0 ]; then
                # Was: echo "Runninig \"btrfsctl -r max ${BTRFS_TMP}\"..."
                # Was: btrfsctl -r max ${BTRFS_TMP}
		echo "Running \"btrfs filesystem resize max ${BTRFS_TMP}\"..."
		btrfs filesystem resize max ${BTRFS_TMP}
		umount ${partition}
		rcm=$?
	        if [ "$rcm" -eq 0 ]; then
		  [ -d "$BTRFS_TMP" ] && rmdir $BTRFS_TMP
	        fi
	      else
	        echo "Failed to mount btrfs partition ${partition}! Without mounting btrfs partition, we can not increase the filesystem size to fit partition size!"
		echo "Program terminated!"
		exit 1
              fi
              ;;
        *)
	      echo "\"$part_fs\" is an unknown or unsupported filesystem... Skip resizing that."
	      exit 1
esac

[ -f "$part_info" ] && rm -f $part_info