config
2.76 KB
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
#!/bin/bash
# Manipulate options in a .config file from the command line
usage() {
cat >&2 <<EOL
Manipulate options in a .config file from the command line.
Usage:
config options command ...
commands:
--enable|-e option Enable option
--disable|-d option Disable option
--module|-m option Turn option into a module
--set-str option string
Set option to "string"
--set-val option value
Set option to value
--state|-s option Print state of option (n,y,m,undef)
--enable-after|-E beforeopt option
Enable option directly after other option
--disable-after|-D beforeopt option
Disable option directly after other option
--module-after|-M beforeopt option
Turn option into module directly after other option
commands can be repeated multiple times
options:
--file .config file to change (default .config)
config doesn't check the validity of the .config file. This is done at next
make time.
EOL
exit 1
}
checkarg() {
ARG="$1"
if [ "$ARG" = "" ] ; then
usage
fi
case "$ARG" in
CONFIG_*)
ARG="${ARG/CONFIG_/}"
;;
esac
ARG="`echo $ARG | tr a-z A-Z`"
}
set_var() {
local name=$1 new=$2 before=$3
name_re="^($name=|# $name is not set)"
before_re="^($before=|# $before is not set)"
if test -n "$before" && grep -Eq "$before_re" "$FN"; then
sed -ri "/$before_re/a $new" "$FN"
elif grep -Eq "$name_re" "$FN"; then
sed -ri "s:$name_re.*:$new:" "$FN"
else
echo "$new" >>"$FN"
fi
}
if [ "$1" = "--file" ]; then
FN="$2"
if [ "$FN" = "" ] ; then
usage
fi
shift 2
else
FN=.config
fi
if [ "$1" = "" ] ; then
usage
fi
while [ "$1" != "" ] ; do
CMD="$1"
shift
case "$CMD" in
--refresh)
;;
--*-after)
checkarg "$1"
A=$ARG
checkarg "$2"
B=$ARG
shift 2
;;
-*)
checkarg "$1"
shift
;;
esac
case "$CMD" in
--enable|-e)
set_var "CONFIG_$ARG" "CONFIG_$ARG=y"
;;
--disable|-d)
set_var "CONFIG_$ARG" "# CONFIG_$ARG is not set"
;;
--module|-m)
set_var "CONFIG_$ARG" "CONFIG_$ARG=m"
;;
--set-str)
set_var "CONFIG_$ARG" "CONFIG_$ARG=\"$1\""
shift
;;
--set-val)
set_var "CONFIG_$ARG" "CONFIG_$ARG=$1"
shift
;;
--state|-s)
if grep -q "# CONFIG_$ARG is not set" $FN ; then
echo n
else
V="$(grep "^CONFIG_$ARG=" $FN)"
if [ $? != 0 ] ; then
echo undef
else
V="${V/CONFIG_$ARG=/}"
V="${V/\"/}"
echo "$V"
fi
fi
;;
--enable-after|-E)
set_var "CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A"
;;
--disable-after|-D)
set_var "CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A"
;;
--module-after|-M)
set_var "CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A"
;;
# undocumented because it ignores --file (fixme)
--refresh)
yes "" | make oldconfig
;;
*)
usage
;;
esac
done