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Wed, 27 Jul 2022 19:09:22 +0200 (CEST) From: =?utf-8?q?Milan_P=2E_Stani=C4=87?= To: u-boot@lists.denx.de Cc: =?utf-8?q?Milan_P=2E_Stani=C4=87?= Subject: [PATCH] scripts/config: pick config script from kernel scripts Date: Wed, 27 Jul 2022 19:09:20 +0200 Message-Id: <20220727170920.10245-1-mps@arvanta.net> X-Mailer: git-send-email 2.37.1 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean pulled from kernel tag v5.18 --- scripts/config | 230 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 230 insertions(+) create mode 100755 scripts/config diff --git a/scripts/config b/scripts/config new file mode 100755 index 0000000000..ff88e2faef --- /dev/null +++ b/scripts/config @@ -0,0 +1,230 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: GPL-2.0 +# Manipulate options in a .config file from the command line + +myname=${0##*/} + +# If no prefix forced, use the default CONFIG_ +CONFIG_="${CONFIG_-CONFIG_}" + +# We use an uncommon delimiter for sed substitutions +SED_DELIM=$(echo -en "\001") + +usage() { + cat >&2 <"$tmpfile" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + +txt_subst() { + local before="$1" + local after="$2" + local infile="$3" + local tmpfile="$infile.swp" + + sed -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" >"$tmpfile" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + +txt_delete() { + local text="$1" + local infile="$2" + local tmpfile="$infile.swp" + + sed -e "/$text/d" "$infile" >"$tmpfile" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + +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 + txt_append "^$before=" "$new" "$FN" + txt_append "^# $before is not set" "$new" "$FN" + elif grep -Eq "$name_re" "$FN"; then + txt_subst "^$name=.*" "$new" "$FN" + txt_subst "^# $name is not set" "$new" "$FN" + else + echo "$new" >>"$FN" + fi +} + +undef_var() { + local name=$1 + + txt_delete "^$name=" "$FN" + txt_delete "^# $name is not set" "$FN" +} + +if [ "$1" = "--file" ]; then + FN="$2" + if [ "$FN" = "" ] ; then + usage + fi + shift 2 +else + FN=.config +fi + +if [ "$1" = "" ] ; then + usage +fi + +MUNGE_CASE=yes +while [ "$1" != "" ] ; do + CMD="$1" + shift + case "$CMD" in + --keep-case|-k) + MUNGE_CASE=no + continue + ;; + --refresh) + ;; + --*-after|-E|-D|-M) + 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) + # sed swallows one level of escaping, so we need double-escaping + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\"" + shift + ;; + + --set-val) + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1" + shift + ;; + --undefine|-u) + undef_var "${CONFIG_}$ARG" + ;; + + --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="${V/#\"/}" + V="${V/%\"/}" + 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 + ;; + + *) + echo "bad command: $CMD" >&2 + usage + ;; + esac +done