mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 15:06:38 +07:00
f6774cbcad
Pull misc kbuild changes from Michal Marek: "This is the non-critical part of kbuild for v3.6-rc1: - Two new coccinelle semantic patches - New scripts/tags.sh regexp - scripts/config improvements that I mistakenly applied here instead of in the kconfig branch (but there are no conflicts) - Debian packaging fixes" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/tags.sh: Teach [ce]tags about libtraceeevent error codes scripts/coccinelle: list iterator variable semantic patch scripts/coccinelle: Find threaded IRQs requests which are missing IRQF_ONESHOT deb-pkg: Add all Makefiles to header package deb-pkg: Install linux-firmware-image in versioned dir scripts/config: add option to undef a symbol scripts/config: allow alternate prefix to config option symbol scripts/config: add option to not upper-case symbols
188 lines
3.6 KiB
Bash
Executable File
188 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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# Manipulate options in a .config file from the command line
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# If no prefix forced, use the default CONFIG_
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CONFIG_="${CONFIG_-CONFIG_}"
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usage() {
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cat >&2 <<EOL
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Manipulate options in a .config file from the command line.
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Usage:
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config options command ...
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commands:
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--enable|-e option Enable option
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--disable|-d option Disable option
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--module|-m option Turn option into a module
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--set-str option string
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Set option to "string"
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--set-val option value
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Set option to value
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--undefine|-u option Undefine option
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--state|-s option Print state of option (n,y,m,undef)
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--enable-after|-E beforeopt option
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Enable option directly after other option
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--disable-after|-D beforeopt option
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Disable option directly after other option
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--module-after|-M beforeopt option
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Turn option into module directly after other option
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commands can be repeated multiple times
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options:
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--file config-file .config file to change (default .config)
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--keep-case|-k Keep next symbols' case (dont' upper-case it)
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config doesn't check the validity of the .config file. This is done at next
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make time.
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By default, config will upper-case the given symbol. Use --keep-case to keep
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the case of all following symbols unchanged.
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config uses 'CONFIG_' as the default symbol prefix. Set the environment
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variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" config ...
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EOL
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exit 1
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}
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checkarg() {
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ARG="$1"
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if [ "$ARG" = "" ] ; then
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usage
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fi
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case "$ARG" in
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${CONFIG_}*)
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ARG="${ARG/${CONFIG_}/}"
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;;
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esac
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if [ "$MUNGE_CASE" = "yes" ] ; then
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ARG="`echo $ARG | tr a-z A-Z`"
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fi
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}
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set_var() {
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local name=$1 new=$2 before=$3
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name_re="^($name=|# $name is not set)"
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before_re="^($before=|# $before is not set)"
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if test -n "$before" && grep -Eq "$before_re" "$FN"; then
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sed -ri "/$before_re/a $new" "$FN"
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elif grep -Eq "$name_re" "$FN"; then
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sed -ri "s:$name_re.*:$new:" "$FN"
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else
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echo "$new" >>"$FN"
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fi
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}
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undef_var() {
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local name=$1
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sed -ri "/^($name=|# $name is not set)/d" "$FN"
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}
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if [ "$1" = "--file" ]; then
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FN="$2"
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if [ "$FN" = "" ] ; then
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usage
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fi
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shift 2
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else
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FN=.config
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fi
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if [ "$1" = "" ] ; then
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usage
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fi
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MUNGE_CASE=yes
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while [ "$1" != "" ] ; do
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CMD="$1"
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shift
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case "$CMD" in
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--keep-case|-k)
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MUNGE_CASE=no
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shift
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continue
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;;
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--refresh)
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;;
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--*-after)
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checkarg "$1"
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A=$ARG
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checkarg "$2"
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B=$ARG
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shift 2
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;;
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-*)
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checkarg "$1"
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shift
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;;
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esac
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case "$CMD" in
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--enable|-e)
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set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=y"
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;;
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--disable|-d)
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set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set"
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;;
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--module|-m)
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set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=m"
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;;
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--set-str)
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# sed swallows one level of escaping, so we need double-escaping
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set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\""
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shift
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;;
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--set-val)
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set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1"
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shift
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;;
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--undefine|-u)
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undef_var "${CONFIG_}$ARG"
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;;
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--state|-s)
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if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then
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echo n
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else
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V="$(grep "^${CONFIG_}$ARG=" $FN)"
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if [ $? != 0 ] ; then
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echo undef
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else
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V="${V/#${CONFIG_}$ARG=/}"
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V="${V/#\"/}"
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V="${V/%\"/}"
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V="${V//\\\"/\"}"
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echo "${V}"
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fi
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fi
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;;
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--enable-after|-E)
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set_var "${CONFIG_}$B" "${CONFIG_}$B=y" "${CONFIG_}$A"
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;;
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--disable-after|-D)
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set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A"
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;;
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--module-after|-M)
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set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A"
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;;
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# undocumented because it ignores --file (fixme)
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--refresh)
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yes "" | make oldconfig
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;;
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*)
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usage
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;;
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esac
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done
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