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In utils/config line 54: ARG="`echo $ARG | tr a-z- A-Z_`" ^------------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`. ^--^ SC2086: Double quote to prevent globbing and word splitting. Did you mean: ARG="$(echo "$ARG" | tr a-z- A-Z_)" In utils/config line 87: local tmpfile="$infile.swp" ^-----^ SC2034: tmpfile appears unused. Verify use (or export if used externally). In utils/config line 182: if [ $? != 0 ] ; then ^-- SC2181: Check exit code directly with e.g. 'if mycmd;', not indirectly with $?. For more information: https://www.shellcheck.net/wiki/SC2034 -- tmpfile appears unused. Verify us... https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ... https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le... The suggestions from shellcheck can be applied. The unused variable tmpfile in fact occurs in several functions, all of them can be removed. For the check exit code, the condition is swapped to avoid negative logic. Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
203 lines
3.9 KiB
Bash
Executable File
203 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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# Manipulate options in a .config file from the command line
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myname=${0##*/}
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# If no prefix forced, use the default BR2_
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BR2_PREFIX="${BR2_PREFIX-BR2_}"
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usage() {
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cat >&2 <<EOL
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Manipulate options in a .config file from the command line.
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Usage:
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$myname 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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--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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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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--package|-p Operate on package (set prefix to BR2_PACKAGE_)
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$myname 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, $myname will upper-case the given symbol. Use --keep-case to keep
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the case of all following symbols unchanged.
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$myname uses 'BR2_' as the default symbol prefix. Set the environment
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variable BR2_PREFIX to the prefix to use. Eg.: BR2_PREFIX="FOO_" $myname ...
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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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if [ "$MUNGE_CASE" = "yes" ] ; then
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ARG="$(echo "$ARG" | tr a-z- A-Z_)"
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fi
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case "$ARG" in
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${BR2_PREFIX}*)
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ARG="${ARG/${BR2_PREFIX}/}"
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;;
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esac
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}
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txt_append() {
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local anchor="$1"
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local insert="$2"
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local infile="$3"
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# sed append cmd: 'a\' + newline + text + newline
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cmd="$(printf "a\\%b$insert" "\n")"
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sed -i -e "/$anchor/$cmd" "$infile"
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}
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txt_subst() {
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local before="$1"
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local after="$2"
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local infile="$3"
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sed -i -e "s:$before:$after:" "$infile"
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}
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txt_delete() {
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local text="$1"
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local infile="$2"
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sed -i -e "/$text/d" "$infile"
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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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txt_append "^$before=" "$new" "$FN"
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txt_append "^# $before is not set" "$new" "$FN"
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elif grep -Eq "$name_re" "$FN"; then
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txt_subst "^$name=.*" "$new" "$FN"
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txt_subst "^# $name is not set" "$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=$1
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txt_delete "^$name=" "$FN"
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txt_delete "^# $name is not set" "$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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continue
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;;
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--package|-p)
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BR2_PREFIX="BR2_PACKAGE_"
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continue
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;;
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--*-after|-E|-D|-M)
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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 "${BR2_PREFIX}$ARG" "${BR2_PREFIX}$ARG=y"
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;;
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--disable|-d)
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set_var "${BR2_PREFIX}$ARG" "# ${BR2_PREFIX}$ARG is not set"
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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 "${BR2_PREFIX}$ARG" "${BR2_PREFIX}$ARG=\"${1//\"/\\\\\"}\""
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shift
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;;
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--set-val)
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set_var "${BR2_PREFIX}$ARG" "${BR2_PREFIX}$ARG=$1"
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shift
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;;
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--undefine|-u)
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undef_var "${BR2_PREFIX}$ARG"
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;;
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--state|-s)
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if grep -q "# ${BR2_PREFIX}$ARG is not set" $FN ; then
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echo n
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else
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if V="$(grep "^${BR2_PREFIX}$ARG=" $FN)"; then
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V="${V/#${BR2_PREFIX}$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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else
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echo undef
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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 "${BR2_PREFIX}$B" "${BR2_PREFIX}$B=y" "${BR2_PREFIX}$A"
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;;
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--disable-after|-D)
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set_var "${BR2_PREFIX}$B" "# ${BR2_PREFIX}$B is not set" "${BR2_PREFIX}$A"
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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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