blob: 282fca1193604ff57b7aff102844648ecd4e5f70 (
plain)
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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
#!/bin/sh
#
# Petitboot utility script for running a petitboot UI program
# on a console tty.
#
ui=petitboot-nc
shell=sh
getty=/sbin/getty
use_getty=0
detach=0
pb_config=pb-config
usage() {
cat >&2 <<EOF
pb-console [OPTIONS] -- [ARGS]
OPTIONS
-d, --detach
Start in a detached (background) state.
-g, --getty[=PATH]
Start a getty (specified by PATH, otherwise $getty),
passing additional ARGS to the getty process
-s, --shell=PATH
Use PATH as the exit-to-shell shell
-u, --ui=PATH
Use PATH as the petitboot UI
-h, --help
Print a help message.
EOF
exit 1
}
opts=$(getopt --options 'hdg::s:u:' \
--long 'help,detach,getty::,shell:,ui:' \
-- "$@")
[ $? = 0 ] || exit 1
eval set -- "$opts"
while :
do
case "$1" in
-d | --detach)
detach=1
shift
;;
-g | --getty)
use_getty=1
getty_arg="$2"
shift 2
;;
-s | --shell)
shell="$2"
shift 2
;;
-u | --ui)
ui="$2"
shift 2
;;
--help | -h)
usage
;;
--)
shift
break
;;
*)
echo "getopt error"
exit 1
esac
done
if [ "$use_getty" = 1 ]
then
if [ -n "$getty_arg" ]
then
getty="$getty_arg"
fi
if [ "$detach" = 1 ]
then
$getty -l $0 "$@" &
exit
else
exec $getty -l $0 "$@"
fi
fi
for f in /etc/environment /etc/locale
do
if [ -e "$f" ]
then
export $(cat "$f")
fi
done
# we force local terminals to use the linux termcap definition
case "$(tty)" in
/dev/tty[0-9]*)
export TERM=linux
;;
esac
# we may have been run from udev - ensure we have a sensible PATH
if [ -z "$PATH" ]
then
PATH=/usr/bin:/usr/sbin:/bin:/sbin
fi
PATH=/var/lib/pb-plugins/bin:$PATH
export PATH
verbose_opt=
if $pb_config debug | grep -q enabled
then
verbose_opt=--verbose
fi
# kernel messages may write over the ncurses ui - change log level to only
# show particularly important messages
dmesg -n 1
while :
do
$ui $verbose_opt
reset
echo "Exiting petitboot. Type 'exit' to return."
echo "You may run 'pb-sos' to gather diagnostic data"
$shell
done
|