root/trunk/freewrt/scripts/split-cfg.sh

# $FreeWRT$
#-
# This file is part of the FreeWRT project. FreeWRT is copyrighted
# material, please see the LICENCE file in the top-level directory
# or at http://www.freewrt.org/licence for details.
#-
# Note: this is slow, but it's not the "progress stuff" which cau-
# ses the slow-down.

TOPDIR=$1

[[ -n $BASH_VERSION ]] && shopt -s extglob

mkdir -p $TOPDIR/.cfg
cd $TOPDIR/.cfg

oldfiles=$(echo *)
newfiles=:

echo -n 'autosplitting main config...'
while read line; do
        oline=$line
        [[ -n $line ]] && if [[ $line = @(# [A-Z])* ]]; then
                line=${line#? }
                if [[ $line = *@( is not set) ]]; then
                        line=${line% is not set}
                else
                        # some kind of comment
                        line=
                fi
        elif [[ $line = @([A-Z])*@(=)* ]]; then
                line=${line%%=*}
        elif [[ $line = @(#)* ]]; then
                # valid comment
                line=
        else
                # invalid non-comment
                echo "Warning: line '$oline' invalid!" >&2
                line=
        fi
        # if the line is a valid yes/no/whatever, write it
        # unless the file already exists and has same content
        if [[ -n $line ]]; then
                if [[ $line != FWRT_HAVE_DOT_CONFIG && -s $line ]]; then
                        fline=$(<$line)
                else
                        fline=
                fi
                [[ $oline = $fline ]] || echo "$oline" >$line
                if [[ $newfiles = *:$line:* ]]; then
                        echo "Error: duplicate Config.in option '$line'!" >&2
                        exit 1
                fi
                newfiles=$newfiles$line:
        fi
done <$TOPDIR/.config

# now handle the case of removals
echo -n ' removals...'
for oldfile in $oldfiles; do
        [[ $newfiles = *:$oldfile:* ]] || rm -f $oldfile
done
printf '\r%60s\r' ''

# now scan for dependencies of packages; the information
# should probably be in build_mipsel because it's generated
# at build time, but OTOH, soon enough, parts of Makefile
# and the entire Config.in will be auto-generated anyway,
# so we're better off placing it here
#XXX this is too slow @868 configure options
cd $TOPDIR/.cfg
rm -f $TOPDIR/package/*/info.mk
for option in *; do
        echo -n "$option ..."
        x=$(( ${#option} + 4 ))
        ao=:
        fgrep -l $option $TOPDIR/package/*/{Makefile,Config.*} 2>&- | \
            while read line; do
                echo ${line%/*}/info.mk
        done | while read fname; do
                [[ $ao = *:$fname:* ]] && continue
                ao=$ao$fname:
                echo "\${_IPKGS_COOKIE}: \${TOPDIR}/.cfg/$option" >>$fname
        done
        printf '\r%'$x's\r' ''
done

exit 0