freebsd-skq/usr.sbin/pc-sysinstall/backend/functions-mountoptical.sh
jpaetzel c0b9051b17 Fix a syntax error in a little-used function.
Replace expr with $(())
Replace grep > /dev/null with grep -q
Replace "$?" = "0" with $? -eq 0 in tests
Consolidate export statements with variable assignment
Replace tests for ! -z with -n

Approved by:	kib (mentor)
2011-03-27 16:57:54 +00:00

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#!/bin/sh
#-
# Copyright (c) 2010 iXsystems, Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
# Functions which perform mounting / unmounting and switching of
# optical / usb media
. ${BACKEND}/functions.sh
. ${BACKEND}/functions-parse.sh
# Displays an optical failure message
opt_fail()
{
# If we got here, we must not have a DVD/USB we can find :(
get_value_from_cfg installInteractive
if [ "${VAL}" = "yes" ]
then
# We are running interactive, and didn't find a DVD, prompt user again
echo_log "DISK ERROR: Unable to find installation disk!"
echo_log "Please insert the installation disk and press enter."
read tmp
else
exit_err "ERROR: Unable to locate installation DVD/USB"
fi
};
# Performs the extraction of data to disk
opt_mount()
{
FOUND="0"
# Ensure we have a directory where its supposed to be
if [ ! -d "${CDMNT}" ]
then
mkdir -p ${CDMNT}
fi
# Start by checking if we already have a cd mounted at CDMNT
mount | grep -q "${CDMNT} " 2>/dev/null
if [ $? -eq 0 ]
then
if [ -e "${CDMNT}/${INSFILE}" ]
then
echo "MOUNTED" >${TMPDIR}/cdmnt
echo_log "FOUND DVD: MOUNTED"
FOUND="1"
return
fi
# failed to find optical disk
opt_fail
return
fi
# Setup our loop to search for installation media
while
z=1
do
# Loop though and look for an installation disk
for i in `ls -1 /dev/acd* /dev/cd* /dev/scd* /dev/rscd* 2>/dev/null`
do
# Find the CD Device
/sbin/mount_cd9660 $i ${CDMNT}
# Check the package type to see if we have our install data
if [ -e "${CDMNT}/${INSFILE}" ]
then
echo "${i}" >${TMPDIR}/cdmnt
echo_log "FOUND DVD: ${i}"
FOUND="1"
break
fi
/sbin/umount ${CDMNT} >/dev/null 2>/dev/null
done
# If no DVD found, try USB
if [ "$FOUND" != "1" ]
then
# Loop though and look for an installation disk
for i in `ls -1 /dev/da* 2>/dev/null`
do
# Check if we can mount this device UFS
/sbin/mount -r $i ${CDMNT}
# Check the package type to see if we have our install data
if [ -e "${CDMNT}/${INSFILE}" ]
then
echo "${i}" >${TMPDIR}/cdmnt
echo_log "FOUND USB: ${i}"
FOUND="1"
break
fi
/sbin/umount ${CDMNT} >/dev/null 2>/dev/null
# Also check if it is a FAT mount
/sbin/mount -r -t msdosfs $i ${CDMNT}
# Check the package type to see if we have our install data
if [ -e "${CDMNT}/${INSFILE}" ]
then
echo "${i}" >${TMPDIR}/cdmnt
echo_log "FOUND USB: ${i}"
FOUND="1"
break
fi
/sbin/umount ${CDMNT} >/dev/null 2>/dev/null
done
fi # End of USB Check
if [ "$FOUND" = "1" ]
then
break
fi
# Failed to find a disk, take action now
opt_fail
done
};
# Function to unmount optical media
opt_umount()
{
/sbin/umount ${CDMNT} >/dev/null 2>/dev/null
};