1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
# 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 :
|
