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Name	Size	Permission	Date
atomic	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
basic	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
clang-tools	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
coccinelle	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
dtc	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
dummy-tools	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
gcc-plugins	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
gdb	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
genksyms	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
kconfig	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
ksymoops	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
mod	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
package	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
selinux	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
tracing	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
.gitignore	214 B	-rw-r--r--	2024-03-10 20:38
Kbuild.include	10.1 KB	-rw-r--r--	2024-03-10 20:38
Kconfig.include	2.65 KB	-rw-r--r--	2025-04-15 13:08
Lindent	502 B	-rwxr-xr-x	2024-03-10 20:38
Makefile	1.87 KB	-rw-r--r--	2024-03-10 20:38
Makefile.asm-generic	1.82 KB	-rw-r--r--	2024-03-10 20:38
Makefile.btf	638 B	-rw-r--r--	2024-03-10 20:38
Makefile.build	17.2 KB	-rw-r--r--	2025-04-15 13:08
Makefile.clang	1.61 KB	-rw-r--r--	2024-03-10 20:38
Makefile.clean	1.87 KB	-rw-r--r--	2024-03-10 20:38
Makefile.compiler	2.74 KB	-rw-r--r--	2024-03-10 20:38
Makefile.debug	1.12 KB	-rw-r--r--	2024-03-10 20:38
Makefile.defconf	1.17 KB	-rw-r--r--	2024-03-10 20:38
Makefile.dtbinst	1.03 KB	-rw-r--r--	2025-04-15 13:08
Makefile.extrawarn	7.1 KB	-rw-r--r--	2025-04-15 13:08
Makefile.gcc-plugins	2.59 KB	-rw-r--r--	2024-03-10 20:38
Makefile.headersinst	2.88 KB	-rw-r--r--	2024-03-10 20:38
Makefile.host	5.91 KB	-rw-r--r--	2024-03-10 20:38
Makefile.kasan	2.45 KB	-rw-r--r--	2024-03-10 20:38
Makefile.kcov	333 B	-rw-r--r--	2024-03-10 20:38
Makefile.kcsan	1004 B	-rw-r--r--	2024-03-10 20:38
Makefile.kmsan	208 B	-rw-r--r--	2024-03-10 20:38
Makefile.lib	21.1 KB	-rw-r--r--	2025-04-15 13:08
Makefile.modfinal	2.63 KB	-rw-r--r--	2025-04-15 13:08
Makefile.modinst	4.02 KB	-rw-r--r--	2025-04-15 13:08
Makefile.modpost	4.69 KB	-rw-r--r--	2024-03-10 20:38
Makefile.package	8.73 KB	-rw-r--r--	2025-04-15 13:08
Makefile.randstruct	511 B	-rw-r--r--	2024-03-10 20:38
Makefile.ubsan	779 B	-rw-r--r--	2024-03-10 20:38
Makefile.userprogs	1.59 KB	-rw-r--r--	2024-03-10 20:38
Makefile.vdsoinst	1.15 KB	-rw-r--r--	2025-04-15 13:08
Makefile.vmlinux	1.48 KB	-rw-r--r--	2024-03-10 20:38
Makefile.vmlinux_o	3.27 KB	-rw-r--r--	2024-03-10 20:38
as-version.sh	2.03 KB	-rwxr-xr-x	2024-03-10 20:38
asn1_compiler.c	35.32 KB	-rw-r--r--	2024-03-10 20:38
bloat-o-meter	3.77 KB	-rwxr-xr-x	2024-03-10 20:38
bootgraph.pl	5.64 KB	-rwxr-xr-x	2024-03-10 20:38
bpf_doc.py	31.73 KB	-rwxr-xr-x	2025-04-15 13:08
cc-can-link.sh	166 B	-rwxr-xr-x	2024-03-10 20:38
cc-version.sh	1.36 KB	-rwxr-xr-x	2024-03-10 20:38
check-git	298 B	-rwxr-xr-x	2024-03-10 20:38
check-sysctl-docs	3.66 KB	-rwxr-xr-x	2024-03-10 20:38
check-uapi.sh	15.05 KB	-rwxr-xr-x	2024-03-10 20:38
check_extable.sh	4.93 KB	-rwxr-xr-x	2024-03-10 20:38
checkdeclares.pl	1.1 KB	-rwxr-xr-x	2024-03-10 20:38
checkincludes.pl	1.94 KB	-rwxr-xr-x	2024-03-10 20:38
checkkconfigsymbols.py	15.75 KB	-rwxr-xr-x	2024-03-10 20:38
checkpatch.pl	233.78 KB	-rwxr-xr-x	2025-04-15 13:08
checkstack.pl	5.96 KB	-rwxr-xr-x	2024-03-10 20:38
checksyscalls.sh	7.51 KB	-rwxr-xr-x	2024-03-10 20:38
checkversion.pl	2.16 KB	-rwxr-xr-x	2024-03-10 20:38
cleanfile	3.46 KB	-rwxr-xr-x	2024-03-10 20:38
cleanpatch	5.06 KB	-rwxr-xr-x	2024-03-10 20:38
coccicheck	7.9 KB	-rwxr-xr-x	2024-03-10 20:38
config	4.67 KB	-rwxr-xr-x	2024-03-10 20:38
const_structs.checkpatch	1.4 KB	-rw-r--r--	2024-03-10 20:38
decode_stacktrace.sh	7.58 KB	-rwxr-xr-x	2024-03-10 20:38
decodecode	4.86 KB	-rwxr-xr-x	2024-03-10 20:38
depmod.sh	697 B	-rwxr-xr-x	2024-03-10 20:38
dev-needs.sh	6.07 KB	-rwxr-xr-x	2024-03-10 20:38
diffconfig	4.12 KB	-rwxr-xr-x	2024-03-10 20:38
documentation-file-ref-check	5.67 KB	-rwxr-xr-x	2024-03-10 20:38
export_report.pl	4.5 KB	-rwxr-xr-x	2024-03-10 20:38
extract-ikconfig	1.74 KB	-rwxr-xr-x	2024-03-10 20:38
extract-module-sig.pl	3.66 KB	-rwxr-xr-x	2024-03-10 20:38
extract-sys-certs.pl	3.75 KB	-rwxr-xr-x	2024-03-10 20:38
extract-vmlinux	1.66 KB	-rwxr-xr-x	2024-03-10 20:38
extract_xc3028.pl	44.62 KB	-rwxr-xr-x	2024-03-10 20:38
faddr2line	8.63 KB	-rwxr-xr-x	2024-03-10 20:38
file-size.sh	86 B	-rwxr-xr-x	2024-03-10 20:38
find-unused-docs.sh	1.27 KB	-rwxr-xr-x	2024-03-10 20:38
gcc-x86_32-has-stack-protector.sh	405 B	-rwxr-xr-x	2025-04-15 13:08
gcc-x86_64-has-stack-protector.sh	195 B	-rwxr-xr-x	2025-04-15 13:08
gen-randstruct-seed.sh	228 B	-rwxr-xr-x	2024-03-10 20:38
generate_initcall_order.pl	5.95 KB	-rwxr-xr-x	2024-03-10 20:38
generate_rust_analyzer.py	4.8 KB	-rwxr-xr-x	2024-03-10 20:38
generate_rust_target.rs	5.58 KB	-rw-r--r--	2024-03-10 20:38
get_abi.pl	25.36 KB	-rwxr-xr-x	2024-03-10 20:38
get_dvb_firmware	24.54 KB	-rwxr-xr-x	2024-03-10 20:38
get_feat.pl	14.61 KB	-rwxr-xr-x	2024-03-10 20:38
get_maintainer.pl	67.63 KB	-rwxr-xr-x	2024-03-10 20:38
gfp-translate	2.08 KB	-rwxr-xr-x	2025-04-15 13:08
git.orderFile	564 B	-rw-r--r--	2024-03-10 20:38
head-object-list.txt	1.36 KB	-rw-r--r--	2024-03-10 20:38
headerdep.pl	3.5 KB	-rwxr-xr-x	2024-03-10 20:38
headers_install.sh	2.76 KB	-rwxr-xr-x	2024-03-10 20:38
insert-sys-cert.c	13.08 KB	-rw-r--r--	2025-04-15 13:08
install.sh	986 B	-rwxr-xr-x	2024-03-10 20:38
jobserver-exec	2.56 KB	-rwxr-xr-x	2024-03-10 20:38
kallsyms.c	17.75 KB	-rw-r--r--	2025-04-15 13:08
kernel-doc	77.13 KB	-rwxr-xr-x	2025-04-15 13:08
ld-version.sh	1.82 KB	-rwxr-xr-x	2025-04-15 13:08
leaking_addresses.pl	12.84 KB	-rwxr-xr-x	2024-03-10 20:38
link-vmlinux.sh	7.66 KB	-rwxr-xr-x	2025-04-15 13:08
makelst	808 B	-rwxr-xr-x	2024-03-10 20:38
markup_oops.pl	7.92 KB	-rwxr-xr-x	2024-03-10 20:38
min-tool-version.sh	630 B	-rwxr-xr-x	2025-04-15 13:08
misc-check	509 B	-rwxr-xr-x	2024-03-10 20:38
mkcompile_h	642 B	-rwxr-xr-x	2024-03-10 20:38
mksysmap	2.08 KB	-rwxr-xr-x	2025-04-15 13:08
mkuboot.sh	414 B	-rwxr-xr-x	2024-03-10 20:38
module.lds.S	1.43 KB	-rw-r--r--	2025-04-15 13:08
modules-check.sh	443 B	-rwxr-xr-x	2024-03-10 20:38
nsdeps	1.63 KB	-rw-r--r--	2024-03-10 20:38
objdiff	2.83 KB	-rwxr-xr-x	2024-03-10 20:38
objdump-func	848 B	-rwxr-xr-x	2024-03-10 20:38
orc_hash.sh	316 B	-rw-r--r--	2024-03-10 20:38
pahole-version.sh	269 B	-rwxr-xr-x	2024-03-10 20:38
parse-maintainers.pl	4.54 KB	-rwxr-xr-x	2024-03-10 20:38
patch-kernel	9.95 KB	-rwxr-xr-x	2024-03-10 20:38
profile2linkerlist.pl	414 B	-rwxr-xr-x	2024-03-10 20:38
prune-kernel	912 B	-rwxr-xr-x	2024-03-10 20:38
recordmcount.c	17.51 KB	-rw-r--r--	2024-03-10 20:38
recordmcount.h	19.37 KB	-rw-r--r--	2024-03-10 20:38
recordmcount.pl	17.34 KB	-rwxr-xr-x	2024-03-10 20:38
relocs_check.sh	717 B	-rwxr-xr-x	2024-03-10 20:38
remove-stale-files	1.29 KB	-rwxr-xr-x	2024-03-10 20:38
rust_is_available.sh	9.48 KB	-rwxr-xr-x	2025-04-15 13:08
rust_is_available_bindgen_libclang.h	91 B	-rw-r--r--	2024-03-10 20:38
rust_is_available_test.py	17.7 KB	-rwxr-xr-x	2024-03-10 20:38
rustdoc_test_builder.rs	3.25 KB	-rw-r--r--	2024-03-10 20:38
rustdoc_test_gen.rs	9.48 KB	-rw-r--r--	2024-03-10 20:38
setlocalversion	5.18 KB	-rwxr-xr-x	2025-04-15 13:08
show_delta	3.04 KB	-rwxr-xr-x	2024-03-10 20:38
sign-file.c	9.93 KB	-rw-r--r--	2024-03-10 20:38
sorttable.c	7.68 KB	-rw-r--r--	2024-03-10 20:38
sorttable.h	12.85 KB	-rw-r--r--	2024-03-10 20:38
spdxcheck-test.sh	284 B	-rw-r--r--	2024-03-10 20:38
spdxcheck.py	15.23 KB	-rwxr-xr-x	2024-03-10 20:38
spdxexclude	417 B	-rw-r--r--	2024-03-10 20:38
spelling.txt	34.18 KB	-rw-r--r--	2024-03-10 20:38
sphinx-pre-install	25.07 KB	-rwxr-xr-x	2024-03-10 20:38
split-man.pl	604 B	-rwxr-xr-x	2024-03-10 20:38
stackdelta	1.84 KB	-rwxr-xr-x	2024-03-10 20:38
stackusage	794 B	-rwxr-xr-x	2024-03-10 20:38
subarch.include	647 B	-rw-r--r--	2024-03-10 20:38
syscallhdr.sh	1.89 KB	-rwxr-xr-x	2024-03-10 20:38
syscallnr.sh	1.45 KB	-rwxr-xr-x	2024-03-10 20:38
syscalltbl.sh	1.82 KB	-rwxr-xr-x	2025-04-15 13:08
tags.sh	10.73 KB	-rwxr-xr-x	2024-03-10 20:38
test_fortify.sh	2.23 KB	-rw-r--r--	2024-03-10 20:38
tools-support-relr.sh	726 B	-rwxr-xr-x	2024-03-10 20:38
unifdef.c	34.8 KB	-rw-r--r--	2024-03-10 20:38
ver_linux	2.59 KB	-rwxr-xr-x	2024-03-10 20:38
xen-hypercalls.sh	386 B	-rwxr-xr-x	2024-03-10 20:38
xz_wrap.sh	516 B	-rwxr-xr-x	2024-03-10 20:38

Rename

#!/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 <<EOL
Manipulate options in a .config file from the command line.
Usage:
$myname 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
	--undefine|-u option Undefine option
	--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   .config file to change (default .config)
	--keep-case|-k       Keep next symbols' case (dont' upper-case it)

$myname doesn't check the validity of the .config file. This is done at next
make time.

By default, $myname will upper-case the given symbol. Use --keep-case to keep
the case of all following symbols unchanged.

$myname uses 'CONFIG_' as the default symbol prefix. Set the environment
variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" $myname ...
EOL
	exit 1
}

checkarg() {
	ARG="$1"
	if [ "$ARG" = "" ] ; then
		usage
	fi
	case "$ARG" in
	${CONFIG_}*)
		ARG="${ARG/${CONFIG_}/}"
		;;
	esac
	if [ "$MUNGE_CASE" = "yes" ] ; then
		ARG="`echo $ARG | tr a-z A-Z`"
	fi
}

txt_append() {
	local anchor="$1"
	local insert="$2"
	local infile="$3"
	local tmpfile="$infile.swp"

# sed append cmd: 'a\' + newline + text + newline
	cmd="$(printf "a\\%b$insert" "\n")"

sed -e "/$anchor/$cmd" "$infile" >"$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