spec2bb for KDE

#!/bin/bash

# only handles program usage and parameter checking
##source `dirname $0`/spec2bb.inc

 ### @b this could be done by parsing the kde yaml files in the meego OBS, but not all rpm builders seem to use yaml files
function packages()
{
    echo -e 'PACKAGES=+"\\' >> ${OUTFILE}

    grep "%package" ${SPECFILE}  |
        sort |
        sed 's/.*\ //' | #1. remove everything until after the first whitespace (crops %packages and -n or other options)
        sed ':a;N;$!ba;s/\n/ \\\n/g' | #2. replace newlines with "\\\n" see http://stackoverflow.com/questions/1251999/sed-how-can-i-replace-a-newline-n
        sed 's/^/${PN}-/' | #3. add '${PN}-' before the package name
        sed '$s/$/ \\\n"/' >> ${OUTFILE} #4.replaces the last newline with '"' see http://unix.stackexchange.com/questions/20573/sed-insert-something-to-the-last-line
}

function packagefiles()
{
    cat ${SPECFILE} | # Caution: do not sort $SPECFILE!
        sed -n -e '/%files/,$p' | #1. print everything after the first '%files'
        sed 's/%\(files\|defattr\|doc\|config\|dir\ \|verify\).*//' | #2. replace '%files', '%defattr', '%doc', '%config', '%dir' and '%verify' + the rest of the line with ''
        sed '/^$/d' | #3. remove multiple newlines after removing the precvious entries
        sed 's/# >> files\ */FILES_$\{PN\}-/' | #4. replace '# >> files' with 'FILES_${PN}-' (truncates spaces until next character)
        sed ':a;N;$!ba;s/\n%/ \\\n/g' | #5. add ' \' after line ends which are followed by '%' next line
        sed ':a;N;$!ba;s/\n#/ \\\n#/g' | #6. add ' \' after line ends which are followed by '#' on the next line
        sed 's/# << files.*/"/' | #7. replace '# << files' and the rest of the line with '"'
        sed 's/\(FILES_.*\S\)\s/\1=" /' | #8. add '=" ' after FILES_.*
        sed 's/^#.*//' | #9. replace leftover comment lines (starting with '#')
        sed '/^$/d' | #10. remove multiple newlines created at comment removal
        sed 's/\(FILES_.*\S\)\s/\n\1/' | #11. add newlines before 'FILES_.*'
        sed 's/FILES_${PN}-="\\/FILES_${PN}+="\\/' >> ${OUTFILE} #12. replace 'FILES_${PN}-="\' with FILES_${PN}+="\'
}

function kdepaths()
{
    # post process the outfile to replace kde paths with bitbake paths
    touch ${OUTFILE}-tmp$$
    cat ${OUTFILE} |
        sed 's#{_datadir}#${datadir}#' | # not kde specific
        sed 's#{_kde_applicationsdir}#${datadir}/applications/kde4#' |
        sed 's#{_kde_appsdir}#${datadir}/apps#' |
        sed 's#{_kde_bindir}#${bindir}#' |
        sed 's#{_kde_configdir}#${datadir}/config#' |
        sed 's#{_kde_configkcfgdir}#${datadir}/config.kcfg#' |
        sed 's#{_kde_docdir}#${datadir}/doc/kde#' |
        sed 's#{_kde_htmldir}#${datadir}/doc/kde/HTML#' |
        sed 's#{_kde_iconsdir}#${datadir}/icons#' |
        sed 's#{_kde_includedir}#${includedir}#' |
        sed 's#{_kde_libdir}#${libdir}#' |
        sed 's#{_kde_libexecdir}#${libdir}/kde4/libexec#' |
        sed 's#{_kde_libkdeinitdir}#${libdir}/kde4/libkdeinit#' |
        sed 's/{_kde_mandir}/# FIXME: /' | # man files go to the ${PN}-doc package, not to individual subpackages
        sed 's#{_kde_modulesdir}#${libdir}/kde4#' |
        sed 's#{_kde_prefix}#${prefix}#' |
        sed 's#{_kde_sbindir}#${sbindir}#' |
        sed 's#{_kde_servicesdir}#${datadir}/services#' |
        sed 's#{_kde_servicetypesdir}#${datadir}/servicetypes#' |
        sed 's#{_kde_sharedir}#${datadir}/kde4#' |
        sed 's#{_kde_sysconfdir}#${sysconfdir}#' |
        sed 's#{_kde_wallpapersdir}#${datadir}/wallpapers#' > ${OUTFILE}-tmp$$
    rm ${OUTFILE}
    mv ${OUTFILE}-tmp$$ ${OUTFILE}
}





if [ -s ${OUTFILE} ]
then
    echo "outfile already exists"
    exit 1
fi

touch ${OUTFILE}


packages
if [ -z ${PKGFILES} ]
then
    packagefiles
fi

kdepaths

if [ ${OUTFILE}="$$tmpfile.~" ]
then
    cat "$$tmpfile.~"
    rm "$$tmpfile.~"
fi