85 lines
2.4 KiB
Bash
85 lines
2.4 KiB
Bash
# Copyright 1999-2007 Gentoo Foundation
|
|
# Copyright 2007 Roy Marples
|
|
# 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.
|
|
|
|
# void try(command)
|
|
#
|
|
# Try to execute 'command', if it fails, drop to a shell.
|
|
#
|
|
try() {
|
|
local errstr
|
|
local retval=0
|
|
|
|
if [ -c /dev/null ] ; then
|
|
errstr=$(eval $* 2>&1 >/dev/null)
|
|
else
|
|
errstr=$(eval $* 2>&1)
|
|
fi
|
|
retval=$?
|
|
if [ ${retval} -ne 0 ] ; then
|
|
#splash "critical" &
|
|
eend 1
|
|
eerror "The \"$*\" command failed with error:"
|
|
eerror " ${errstr#*: }"
|
|
echo
|
|
eerror "Since this is a critical task, startup cannot continue."
|
|
echo
|
|
single_user
|
|
fi
|
|
|
|
return ${retval}
|
|
}
|
|
|
|
# bool check_statedir(dir)
|
|
#
|
|
# Check that 'dir' exists, if not, drop to a shell.
|
|
#
|
|
check_statedir() {
|
|
[ -z "$1" ] && return 0
|
|
|
|
if [ ! -d "$1" ] ; then
|
|
if ! mkdir -p "$1" &>/dev/null ; then
|
|
#splash "critical" &
|
|
echo
|
|
eerror "To function properly, \"$1\" needs to exist."
|
|
if yesno ${RC_FORCE_AUTO}; then
|
|
eerror "Attempting to create \"$1\" for you ..."
|
|
mount -o remount,rw /
|
|
mkdir -p "$1"
|
|
fi
|
|
if [ ! -d "$1" ] ; then
|
|
eerror "Please mount your root partition read/write, and execute:"
|
|
echo
|
|
eerror " # mkdir -p $1"
|
|
echo; echo
|
|
single_user
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
# vim: set ts=4 :
|