diff options
Diffstat (limited to 'scripts/sort-config')
-rwxr-xr-x | scripts/sort-config | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/scripts/sort-config b/scripts/sort-config new file mode 100755 index 000000000..bc497ea0b --- /dev/null +++ b/scripts/sort-config @@ -0,0 +1,222 @@ +#!/bin/bash + +SRC=($(ls config-* 2>/dev/null)) +TGT=($(ls kernel-*/linux-*.noarch/configs/kernel-2.6.*-*.config \ + kernel-*/linux-*.noarch/configs/kernel-2.6.*-*-debug.config 2>/dev/null)) +TGT1=(${TGT[*]#kernel-*/linux-*.noarch/configs/kernel-2.6.*-}) + +ALL_OPTS="cdfimn" +if [ $# -lt 2 ] ; then + echo -e "Usage:\n $(basename $0) [-$ALL_OPTS] input target\n" + echo -e " Sort input config file into the same order as the target\n" + echo -e " -c: insert comments about non-matching/impossible items" + echo -e " -d: show raw unsorted output with extra debug text" + echo -e " -f: force output to match what is in the target config," + echo -e " and/or remove impossible config items" + echo -e " -i: find impossible config items" + echo -e " -m: find changed config items" + echo -e " -n: do not sort output\n" + echo -e " input: source config file" ' [' "${SRC[*]#config-}" ']\n' + echo -e " target: output arch name" ' [' "${TGT1[*]%.config}" ']\n' + exit 1 +fi + +while getopts "$ALL_OPTS" OPTION ; do +case $OPTION in +c) + ADDCOMMENT=1 ;; +d) + DEBUG=1 ;; +f) + FORCE=1 ;; +i) + FIND_IMPOSS=1 ;; +m) + FIND_CHANGED=1 ;; +n) + NOSORT=1 ;; +\?) + exit 2 ;; +esac +done + +if [ "$FORCE" -a "$ADDCOMMENT" ] ; then + echo "-f and -c options cannot be used together" + exit 2 +fi + +shift $((OPTIND-1)) + +TEMPFILES="xx00 xx01 xx98 xx99" +TEMPLEFT= +for FILE in $TEMPFILES ; do + [ -f "$FILE" ] && TEMPLEFT="Y" +done +if [ "$TEMPLEFT" ] ; then + echo "WARNING! Output files named xx?? already exist." >&2 + read -p "Press <Enter> to erase files, or Ctrl-C to exit..." + echo >&2 +fi +rm -f $TEMPFILES + +SRCFILE=config-$1 +[ ! -f $SRCFILE ] && echo "Input file" $SRCFILE "missing" && exit 2 + +TGTFILE=kernel-*/linux-*.noarch/configs/kernel-2.6.*-$2.config +[ ! -f $TGTFILE ] && echo "No target file matching" $TGTFILE "exists" && exit 2 + +[ "$FIND_IMPOSS" ] && \ + find kernel-*/*.noarch -name Kconfig\* -type f \ + | xargs egrep -s -h '^[[:space:]]*(menu)?config[[:space:]]+' \ + | sed -r 's/^[[:space:]]*(menu)?config[[:space:]]+/CONFIG_/' \ + | sort | uniq >xx98 + +extract_optname() { + # extract the option name from $TEXT, setting $OPTNAME + OPTNAME= + if [ "${TEXT:0:7}" = "CONFIG_" ] ; then + OPTNAME=${TEXT%%=*} + elif [ "${TEXT:0:9}" = "# CONFIG_" ] ; then + OPTNAME=${TEXT%" is not set"} + OPTNAME=${OPTNAME#\# } + fi +} + +print_saved_comments() { + if [ $IX -gt 0 ] ; then + [ "$DEBUG" ] && echo " ->" $IX "comments were saved" + (( IX-- )) + for IX in $(seq 0 $IX) ; do + echo "$LINE":"${SAVECOMMENT[$IX]}" + done + unset SAVECOMMENT + IX=0 + fi +} + +assign_line_number() { + # use input line numbers if not sorting + [ "$NOSORT" ] && LINE=$IN + # make sure it has a line number + [ -z "$LINE" ] && LINE=999999 +} + +IX=0 +IN=0 +declare -a SAVECOMMENT + +cat ${SRCFILE} | { +while read TEXT ; do + + LINE= + COMMENT= + + # replace empty lines + [ -z "$TEXT" ] && TEXT='//' + + if [ "${TEXT:0:7}" = "CONFIG_" -o "${TEXT:0:9}" = "# CONFIG_" ] ; then + + LINE=$(grep -n "^$TEXT" $TGTFILE | head -1 | cut -f 1 -d ':') + if [ -z "$LINE" ] ; then + [ "$DEBUG" ] && echo "nofind ->" "$TEXT" + + extract_optname + if [ "$OPTNAME" ] ; then + + if [ "$FIND_CHANGED" ] ; then + for FINDTEXT in "^${OPTNAME}=" "^# ${OPTNAME} is not set" ; do + if [ -z "$LINE" ] ; then + [ "$DEBUG" ] && echo "looking for ->" "$FINDTEXT" + LINE=$(grep -n "$FINDTEXT" $TGTFILE | head -1 | cut -f 1 -d ':') + if [ "$LINE" ] ; then + CHANGED=$(grep "$FINDTEXT" $TGTFILE | head -1) + if [ "$FORCE" ] ; then + TEXT=$CHANGED + [ "$DEBUG" ] && echo 'forced ->' "$TEXT" + else + if [ "$ADDCOMMENT" ] ; then + if [ ${CHANGED:0:1} = '#' ] ; then + NEWOPT="not set" + else + NEWOPT=${CHANGED#$OPTNAME} + fi + COMMENT="# -- Next option changed to \"${NEWOPT}\" at target line $LINE --" + fi + fi + fi + fi + done + fi + + if [ "$FIND_IMPOSS" -a -z "$LINE" -a -z "$COMMENT" ] ; then + POSSIBLE=$(grep -n "^$OPTNAME" xx98) + if [ -z "$POSSIBLE" ] ; then + if [ "$ADDCOMMENT" ] ; then + COMMENT="# -- Next option is impossible --" + elif [ "$FORCE" ] ; then + [ "$DEBUG" ] && echo 'impossible ->' "$TEXT" + TEXT="" + fi + fi + fi + + fi + + fi + + else + # not a config variable + COMMENT="$TEXT" + TEXT= + fi + + [ "$DEBUG" -a "$COMMENT" ] && echo "comment ->" "$LINE" "$COMMENT" + [ "$DEBUG" -a "$TEXT" ] && echo "text ->" "$LINE" "$TEXT" + + if [ "$TEXT" ] ; then + + assign_line_number + + # print the saved comments first + print_saved_comments + # now print the latest comment and text + [ "$COMMENT" ] && echo "$LINE":"$COMMENT" + echo "$LINE":"$TEXT" + + elif [ "$COMMENT" ] ; then + + # no output yet, save the comment + SAVECOMMENT[$IX]="$COMMENT" + let IX++ + [ "$DEBUG" ] && echo 'savecomment (#'${IX}')' + + fi + + let IN++ + +done +# flush the buffers +assign_line_number +print_saved_comments +[ "$DEBUG" ] && echo "$IN lines read from input" +} >xx99 + +if [ "$DEBUG" ] ; then + # just show the raw output with debug info, then exit + cat xx99 +else + + # split output into two files, for matched and unmatched items + cat xx99 | sort -s -t ":" -k 1g | csplit -k -s - /^999999/ 2>/dev/null + + cat xx00 | cut -f 2- -d ':' | sed 's/^\/\/$//' + if [ -s xx01 ] ; then + echo + echo '# ------------ UNMATCHED OPTIONS ------------' + echo + cat xx01 | cut -f 2- -d ':' | sed 's/^\/\/$//' + fi + +fi + +rm -f $TEMPFILES |