85 lines
2.4 KiB
Bash
85 lines
2.4 KiB
Bash
# Copyright 1999-2007 Gentoo Foundation
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# Copyright 2007 Roy Marples
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# All rights reserved
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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# void try(command)
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#
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# Try to execute 'command', if it fails, drop to a shell.
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#
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try() {
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local errstr
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local retval=0
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if [ -c /dev/null ] ; then
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errstr=$(eval $* 2>&1 >/dev/null)
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else
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errstr=$(eval $* 2>&1)
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fi
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retval=$?
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if [ ${retval} -ne 0 ] ; then
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#splash "critical" &
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eend 1
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eerror "The \"$*\" command failed with error:"
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eerror " ${errstr#*: }"
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echo
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eerror "Since this is a critical task, startup cannot continue."
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echo
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single_user
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fi
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return ${retval}
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}
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# bool check_statedir(dir)
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#
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# Check that 'dir' exists, if not, drop to a shell.
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#
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check_statedir() {
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[ -z "$1" ] && return 0
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if [ ! -d "$1" ] ; then
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if ! mkdir -p "$1" &>/dev/null ; then
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#splash "critical" &
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echo
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eerror "To function properly, \"$1\" needs to exist."
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if [ "${RC_FORCE_AUTO}" = "yes" ] ; then
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eerror "Attempting to create \"$1\" for you ..."
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mount -o remount,rw /
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mkdir -p "$1"
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fi
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if [ ! -d "$1" ] ; then
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eerror "Please mount your root partition read/write, and execute:"
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echo
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eerror " # mkdir -p $1"
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echo; echo
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single_user
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fi
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fi
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fi
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return 0
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}
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# vim: set ts=4 :
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