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scripts/config: allow colons in option strings for sed

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Sed broke on some strings as it used colon as a separator.
I made it more robust by using \001, which is legit POSIX AFAIK.

E.g. ./config --set-str CONFIG_USBNET_DEVADDR "de:ad:be:ef:00:01"
failed with: sed: -e expression #1, char 55: unknown option to `s'

Signed-off-by: Jeremie Francois (on alpha) <jeremie.francois@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Jeremie Francois (on alpha) 2020-04-10 18:57:40 +02:00 committed by Masahiro Yamada
parent ae83d0b416
commit e461bc9f9a
1 changed files with 4 additions and 1 deletions
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5
scripts/config
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@ -7,6 +7,9 @@ myname=${0##*/}
# If no prefix forced, use the default CONFIG_
CONFIG_="${CONFIG_-CONFIG_}"
# We use an uncommon delimiter for sed substitutions
SED_DELIM=$(echo -en "\001")
usage() {
cat >&2 <<EOL
Manipulate options in a .config file from the command line.
@ -83,7 +86,7 @@ txt_subst() {
local infile="$3"
local tmpfile="$infile.swp"
sed -e "s:$before:$after:" "$infile" >"$tmpfile"
sed -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" >"$tmpfile"
# replace original file with the edited one
mv "$tmpfile" "$infile"
}