1#!/bin/sh
2#-
3# Copyright (c) 2010 iXsystems, Inc.  All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD$
27
28# Delete a specified partition, takes effect immediately
29########################################################
30
31. ${PROGDIR}/backend/functions.sh
32. ${PROGDIR}/backend/functions-disk.sh
33
34if [ -z "${1}" ]
35then
36  echo "Error: No partition specified!"
37  exit 1
38fi
39
40if [ ! -e "/dev/${1}" ]
41then
42  echo "Error: Partition /dev/${1} does not exist!"
43  exit 1
44fi
45
46PARTITION="${1}"
47
48# First lets figure out the partition number for the given device
49##################################################################
50
51# Get the number of characters in this dev
52CHARS="`echo $PARTITION | wc -c`"
53
54PARTINDEX=""
55
56# Lets read through backwards until we get the part number
57while 
58z=1
59do
60  CHARS=$((CHARS-1))
61  LAST_CHAR=`echo "${PARTITION}" | cut -c $CHARS`
62  echo "${LAST_CHAR}" | grep -q "^[0-9]$" 2>/dev/null
63  if [ $? -eq 0 ] ; then
64    PARTINDEX="${LAST_CHAR}${PARTINDEX}"
65  else
66    break
67  fi
68done
69
70# Now get current disk we are working on
71CHARS=`expr $CHARS - 1`
72DISK="`echo $PARTITION | cut -c 1-${CHARS}`"
73
74# Make sure we have a valid disk name still
75if [ ! -e "/dev/${DISK}" ] ; then
76  echo "Error: Disk: ${DISK} doesn't exist!"
77  exit 1
78fi
79
80echo "Running: gpart delete -i ${PARTINDEX} ${DISK}"
81gpart delete -i ${PARTINDEX} ${DISK} >/dev/null 2>/dev/null
82
83# Check if this was the last partition and destroy the disk geom if so
84get_disk_partitions "${DISK}"
85if [ -z "${VAL}" ] ; then
86  gpart destroy ${DISK}  
87fi
88
89exit "$?"
90