#!/bin/sh

## Create four tempfiles: A tempfile to store the selection from the menu in,
## one to store the same selection after some transformation (for comm), one to
## store the contents of ${ALL_MODULES} (also for comm) and one to store
## the output of pkg_info.

tempselection=`mktemp -t selection`
tempprocessed=`mktemp -t processed`
tempallmodules=`mktemp -t allmodules`
tempinstalled=`mktemp -t installed`

## By default, preselect all modules. 

for i in `${ECHO} "${ALL_MODULES}" | ${TR} '[:upper:]' '[:lower:]'`
	do
		eval status_$i=ON
	done

## If a configfile exists and has actual content, parse it and un-select
## modules accordingly (the configfile is supposed to contain WITHOUT_FOO=yes)
## lines. We don't check what's really in there, it shouldn't do harm when we
## set bogus shell variables.

if [ -s "${CONFIG_FILE}" ]; then
	for i in `${CAT} ${CONFIG_FILE} | ${TR} '[:upper:]' '[:lower:]' \
	| ${SED} -E -e 's/without_//g' -e 's/=yes//g'`
	do
		eval status_$i=OFF
	done

	## Try to be ubersmart: Check for all installed packages and preselect
	## them. This catches the case where people have added ports without the
	## the metaport, run the metaport again and wonder why they have parts
	## of KDE installed afterwards that were not selected.
	## 
	## Bugs: This metaport can check for existing packages, but it cannot
	## 	 remove packages the user explicitly unselects, but which are
	##	 already installed.

	if [ -f $tempinstalled ];then
		${ECHO_MSG}
		${ECHO_MSG} -n "   Looking for installed modules."

		for i in `${ECHO} "${ALL_MODULES}" | ${TR} '[:upper:]' '[:lower:]'`
		do
			${PKG_INFO} | ${GREP} $i | ${SED} -e 's/-.*//g' >> $tempinstalled
			${ECHO_MSG} -n "."
		done

		for i in `${CAT} $tempinstalled`
		do
			eval status_$i=ON
		done
	fi
fi

## Run the menu dialog, except BATCH is defined. We define BATCH automatically
## if people have WITH_FOO* set in their make.conf or on the commandline.
## Actually, we don't even run this whole script at all if BATCH is defined...
## But I'll leave it in just in case, and also as a reference to andreas@
## who came up with this kind of configuration magic first and from whose ports
## I've stolen it all. Save the results in the tempselection tempfile.

if [ -z "${BATCH}" ]; then
	/usr/bin/dialog --title "K Desktop Environment Customized Installation" --clear \
	--checklist "\n\
Please select what additional KDE modules you would like to install.\n\n" \
-1 -1 15 \
"KDEACCESS."    "Accessibility applications for KDE" "$status_kdeaccessibility" \
"KDEADMIN"      "KDE applications related to system administration" "$status_kdeadmin" \
"KDEARTWORK"    "Additional themes, sounds, wallpapers and window styles" "$status_kdeartwork" \
"KDEVELOP"      "Powerful IDE for developing KDE/Qt-based applications" "$status_kdevelop" \
"KDEEDU"        "Collection of entertaining, educational programs" "$status_kdeedu" \
"KDEGAMES"      "Games like kolf, patience, atlantik, etc" "$status_kdegames" \
"KDEGRAPHICS"   "Graphics utilities like kview, kpaint, kghostview, etc" "$status_kdegraphics" \
"KDEMULTIMEDIA" "Multimedia utilities like noatun, kmix, etc" "$status_kdemultimedia" \
"KDENETWORK"    "Network-related programs like kopete, kppp, etc" "$status_kdenetwork" \
"KOFFICE"       "Office Suite including wordprocessor, spreadsheet, etc" "$status_koffice" \
"KDEPIM"        "Personal Information Management: Mail, News, Calendar" "$status_kdepim" \
"KDESDK"        "KDE software development kit" "$status_kdesdk" \
"KDETOYS"       "Miscellaneous small applications" "$status_kdetoys" \
"KDEUTILS"      "Utilities like kcalc, kcharselect, ark, kedit, etc" "$status_kdeutils" \
"KDEWEBDEV"     "Comprehensive website development environment" "$status_kdewebdev" \
2> $tempselection

	## Save the return value from dialog.

	retval=$?

	##  Write out all the module names into a newline-delimited list...

	if [ -f $tempallmodules ]; then
		${ECHO} "$ALL_MODULES" | ${SED} -E -e 's/[[:space:]]+/ /g' | ${TR} '[:space:]' '\n' | sort > $tempallmodules
	fi

	## ...do the same for the selection made in the dialog, comm -23 the
	## two files to get the delta and set that as shell variables.

	if [ -s $tempselection ]; then
		${CAT} $tempselection | ${SED} -E -e 's/KDEACCESS./KDEACCESSIBILITY/g' -e 's/[[:space:]]+/ /g' \
		-e 's/"//g' | ${TR} '[:space:]' '\n' | sort > $tempprocessed
		set `/usr/bin/comm -23 $tempallmodules $tempprocessed`
	fi

	## Clean out the tempfiles.

	rm -f $tempselection $tempprocessed $tempallmodules $tempinstalled

	## If the user selected "Cancel" in the dialog, exit.

	if [ $retval = 1 ]; then
		${ECHO_MSG} "Aborting"
		exit 1
	fi
fi

## Create Makefile.inc

${MKDIR} -p ${WRKDIRPREFIX}${CURDIR}
${TOUCH} ${WRKDIRPREFIX}${CURDIR}/Makefile.inc

## Populate Makefile.inc by writing out the delta we saved above.

while [ $1 ]; do
	${ECHO} "WITHOUT_$1=yes" >> ${WRKDIRPREFIX}${CURDIR}/Makefile.inc;
	shift
done