# Copyright 2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

# This eclass provides the utilities for unpacking dmg's and installing an os X application

ECLASS=macos
INHERITED="$INHERITED $ECLASS"

# since in most dmg's there isnt a ${P} folder
S=${WORKDIR}

# unpack_dmg(file)
# unpacks given dmg to ${WORKDIR}
unpack_dmg() {

	if [ ! -f /usr/bin/hdiutil ]; then
		die "Missing hdiutil - Mac OS X required"
	fi
	
	location=$(mktemp -dp ${T})
	DMGPATH=${DISTDIR}/${1}
	hdiutil attach "$DMGPATH" -mountpoint $location >/dev/null 2>&1 || die "mount failed"
	ditto --rsrc ${location} ${WORKDIR}
	hdiutil detach $location >/dev/null 2>&1 || die "unmount failed"
}

# doapp(location)
# installs the given .app
doapp() {	
	for app in $@; do
	
	if ! [[ $app = *.app ]] && ! [ -d $app ]; then  
		# can't install this
		continue
	fi
	
	DIE=0
	tmpfile=$(mktemp -p ${T}) # yep, this is bad, I'm open to suggestions
	einfo "Checking for broken symlinks"
	# it appears that many .apps have broken symlinks,
	# while this doesnt show up in normal use, it breaks emerge
	find "$app" -name "*" >$tmpfile
	while read filename; do
		if [ -L "$filename" ] && [ ! -e "$filename" ]; then
			eerror "Broken symlink - $filename"
			DIE=1
		fi
	done <$tmpfile
	rm $tmpfile
	# don't die until we have a list of the broken links	
	if [ $DIE -ne 0 ]; then
		die "broken symlinks"
	fi
	einfo "Copying $app"
	dodir /Applications
	APPPATH=${D}/Applications/`basename "$app"`
	ditto "$app" $APPPATH
	chown -R root:admin $APPPATH

	done
}

# remove_broken_links(location)
# remove all broken symlinks in the given app
# verify that the modified app works before using this
# but if the app works with the broken link, it will probably work without it
remove_broken_links() {
	find "$1" -name "*" | while read filename; do
		if [ -L "$filename" ] && [ ! -e "$filename" ]; then
			ewarn "Removing broken link - $filename"
			rm "$filename"
		fi
	done
}