Root/
1 | #!/bin/bash |
2 | # Manipulate options in a .config file from the command line |
3 | |
4 | # If no prefix forced, use the default CONFIG_ |
5 | CONFIG_="${CONFIG_-CONFIG_}" |
6 | |
7 | usage() { |
8 | cat >&2 <<EOL |
9 | Manipulate options in a .config file from the command line. |
10 | Usage: |
11 | config options command ... |
12 | commands: |
13 | --enable|-e option Enable option |
14 | --disable|-d option Disable option |
15 | --module|-m option Turn option into a module |
16 | --set-str option string |
17 | Set option to "string" |
18 | --set-val option value |
19 | Set option to value |
20 | --undefine|-u option Undefine option |
21 | --state|-s option Print state of option (n,y,m,undef) |
22 | |
23 | --enable-after|-E beforeopt option |
24 | Enable option directly after other option |
25 | --disable-after|-D beforeopt option |
26 | Disable option directly after other option |
27 | --module-after|-M beforeopt option |
28 | Turn option into module directly after other option |
29 | |
30 | commands can be repeated multiple times |
31 | |
32 | options: |
33 | --file config-file .config file to change (default .config) |
34 | --keep-case|-k Keep next symbols' case (dont' upper-case it) |
35 | |
36 | config doesn't check the validity of the .config file. This is done at next |
37 | make time. |
38 | |
39 | By default, config will upper-case the given symbol. Use --keep-case to keep |
40 | the case of all following symbols unchanged. |
41 | |
42 | config uses 'CONFIG_' as the default symbol prefix. Set the environment |
43 | variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" config ... |
44 | EOL |
45 | exit 1 |
46 | } |
47 | |
48 | checkarg() { |
49 | ARG="$1" |
50 | if [ "$ARG" = "" ] ; then |
51 | usage |
52 | fi |
53 | case "$ARG" in |
54 | ${CONFIG_}*) |
55 | ARG="${ARG/${CONFIG_}/}" |
56 | ;; |
57 | esac |
58 | if [ "$MUNGE_CASE" = "yes" ] ; then |
59 | ARG="`echo $ARG | tr a-z A-Z`" |
60 | fi |
61 | } |
62 | |
63 | set_var() { |
64 | local name=$1 new=$2 before=$3 |
65 | |
66 | name_re="^($name=|# $name is not set)" |
67 | before_re="^($before=|# $before is not set)" |
68 | if test -n "$before" && grep -Eq "$before_re" "$FN"; then |
69 | sed -ri "/$before_re/a $new" "$FN" |
70 | elif grep -Eq "$name_re" "$FN"; then |
71 | sed -ri "s:$name_re.*:$new:" "$FN" |
72 | else |
73 | echo "$new" >>"$FN" |
74 | fi |
75 | } |
76 | |
77 | undef_var() { |
78 | local name=$1 |
79 | |
80 | sed -ri "/^($name=|# $name is not set)/d" "$FN" |
81 | } |
82 | |
83 | if [ "$1" = "--file" ]; then |
84 | FN="$2" |
85 | if [ "$FN" = "" ] ; then |
86 | usage |
87 | fi |
88 | shift 2 |
89 | else |
90 | FN=.config |
91 | fi |
92 | |
93 | if [ "$1" = "" ] ; then |
94 | usage |
95 | fi |
96 | |
97 | MUNGE_CASE=yes |
98 | while [ "$1" != "" ] ; do |
99 | CMD="$1" |
100 | shift |
101 | case "$CMD" in |
102 | --keep-case|-k) |
103 | MUNGE_CASE=no |
104 | shift |
105 | continue |
106 | ;; |
107 | --refresh) |
108 | ;; |
109 | --*-after) |
110 | checkarg "$1" |
111 | A=$ARG |
112 | checkarg "$2" |
113 | B=$ARG |
114 | shift 2 |
115 | ;; |
116 | -*) |
117 | checkarg "$1" |
118 | shift |
119 | ;; |
120 | esac |
121 | case "$CMD" in |
122 | --enable|-e) |
123 | set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=y" |
124 | ;; |
125 | |
126 | --disable|-d) |
127 | set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set" |
128 | ;; |
129 | |
130 | --module|-m) |
131 | set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=m" |
132 | ;; |
133 | |
134 | --set-str) |
135 | # sed swallows one level of escaping, so we need double-escaping |
136 | set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\"" |
137 | shift |
138 | ;; |
139 | |
140 | --set-val) |
141 | set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1" |
142 | shift |
143 | ;; |
144 | --undefine|-u) |
145 | undef_var "${CONFIG_}$ARG" |
146 | ;; |
147 | |
148 | --state|-s) |
149 | if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then |
150 | echo n |
151 | else |
152 | V="$(grep "^${CONFIG_}$ARG=" $FN)" |
153 | if [ $? != 0 ] ; then |
154 | echo undef |
155 | else |
156 | V="${V/#${CONFIG_}$ARG=/}" |
157 | V="${V/#\"/}" |
158 | V="${V/%\"/}" |
159 | V="${V//\\\"/\"}" |
160 | echo "${V}" |
161 | fi |
162 | fi |
163 | ;; |
164 | |
165 | --enable-after|-E) |
166 | set_var "${CONFIG_}$B" "${CONFIG_}$B=y" "${CONFIG_}$A" |
167 | ;; |
168 | |
169 | --disable-after|-D) |
170 | set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A" |
171 | ;; |
172 | |
173 | --module-after|-M) |
174 | set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A" |
175 | ;; |
176 | |
177 | # undocumented because it ignores --file (fixme) |
178 | --refresh) |
179 | yes "" | make oldconfig |
180 | ;; |
181 | |
182 | *) |
183 | usage |
184 | ;; |
185 | esac |
186 | done |
187 | |
188 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9