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scripts/config: properly report and set string options

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Currently, scripts/config removes the leading double-quote from
string options, but leaves the trailing double-quote.

Also, double-quotes in a string are escaped, but scripts/config
does not unescape those when printing

Finally, scripts/config does not escape double-quotes when setting
string options.

Eg. the current behavior:
    $ grep -E '^CONFIG_FOO=' .config
    CONFIG_FOO="Bar \"Buz\" Meh"
    $ ./scripts/config -s FOO
    Bar \"Buz\" Meh"
    $ ./scripts/config --set-str FOO 'Alpha "Bravo" Charlie'
    $ grep -E '^CONFIG_FOO=' .config
    CONFIG_FOO="Alpha "Bravo" Charlie"

Fix those three, giving this new behavior:
    $ grep -E '^CONFIG_FOO=' .config
    CONFIG_FOO="Bar \"Buz\" Meh"
    $ ./scripts/config -s FOO
    Bar "Buz" Meh
    $ ./scripts/config --set-str FOO 'Alpha "Bravo" Charlie'
    $ grep -E '^CONFIG_FOO=' .config
    CONFIG_FOO="Alpha \"Bravo\" Charlie"

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Yann E. MORIN
2012-04-09 14:49:10 +02:00
committed by Michal Marek
parent 9f420bf0f4
commit d6686da814
1 changed files with 7 additions and 4 deletions
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11
scripts/config
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@@ -107,7 +107,8 @@ while [ "$1" != "" ] ; do
;;
--set-str)
set_var "CONFIG_$ARG" "CONFIG_$ARG=\"$1\""
# sed swallows one level of escaping, so we need double-escaping
set_var "CONFIG_$ARG" "CONFIG_$ARG=\"${1//\"/\\\\\"}\""
shift
;;
@@ -124,9 +125,11 @@ while [ "$1" != "" ] ; do
if [ $? != 0 ] ; then
echo undef
else
V="${V/CONFIG_$ARG=/}"
V="${V/\"/}"
echo "$V"
V="${V/#CONFIG_$ARG=/}"
V="${V/#\"/}"
V="${V/%\"/}"
V="${V/\\\"/\"}"
echo "${V}"
fi
fi
;;