#! /bin/bash

VERSION=0.40

# Update the geomorphrc file from v. 0.2x to v. 0.3x

if [ ! -f $HOME/geomorph/geomorphrc ] ; then
	echo "File $HOME/geomorph/geomorphrc not found - exiting!"
	exit
fi

# 1. We test if it's a v.0.2x by trying to find a keyword used only in v. 0.3x

COUNT=`grep -i camera_1  $HOME/geomorph/geomorphrc | wc -l`

# echo "Lines with 'camera_1':"$COUNT

if [ $COUNT -eq 0 ] ; then
	echo "Updating $HOME/geomorph/geomorphrc to 0.3x!"
else
	echo "$HOME/geomorph/geomorphrc seems to be already updated to 0.3x, exiting!"
	exit
fi

# 2. We backup the file

DT=`date +%Y%m%d%H%M%S`
cp $HOME/geomorph/geomorphrc $HOME/geomorph/geomorphrc_$DT
echo "Backup of $HOME/geomorph/geomorphrc made on $HOME/geomorph/geomorphrc_$DT"

# 3. We replace the default browser if it does not exist (in case the user left it to galeon...)

browser=`cat $HOME/geomorph/geomorphrc | grep doc_reader | sed s/\ //g | sed s/doc_reader// | sed s/=// | sed s/\;.*$//`

if ! type $browser 1> /dev/null ; then
	echo "Browser $browser not found, we reinitialize the doc_reader variable with a best-guess default!"
	# Version without the GNU -i extension of sed - 2005-11-19
	if type epiphany 1> /dev/null; then
		sed /doc_reader/s/$browser/epiphany/ $HOME/geomorph/geomorphrc > tmp_$DT
	elif type firefox 1> /dev/null; then
		sed /doc_reader/s/$browser/firefox/ $HOME/geomorph/geomorphrc > tmp_$DT
	elif type mozilla 1> /dev/null; then
		sed /doc_reader/s/$browser/mozilla/ $HOME/geomorph/geomorphrc > tmp_$DT
	elif type konqueror 1> /dev/null; then
		sed /doc_reader/s/$browser/konqueror/ $HOME/geomorph/geomorphrc > tmp_$DT
	# else
		# Do nothing!
	fi
	if type tmp_$DT 1> /dev/null; then
		cp -f tmp_$DT $HOME/geomorph/geomorphrc
		rm -f tmp_$DT
	fi
	
fi

# 4. We add the output_prefix variable in the rendering section

# sed -i s/other_render_options/output_prefix\ =\ \_\ \;\\nother_render_options/ $HOME/geomorph/geomorphrc

# Version without the GNU -i extension, which does not work on some older systems:

sed s/other_render_options/output_prefix\ =\ \_\ \;\\nother_render_options/ $HOME/geomorph/geomorphrc > tmp_$DT
cp -f tmp_$DT $HOME/geomorph/geomorphrc
rm -f tmp_$DT

# 5. We add the 3d_preview and the camera_1 to camera_5 sections

if type /usr/local/share/geomorph/$VERSION/v0_30_new_sections >& /dev/null ; then 
	/usr/local/share/geomorph/$VERSION/v0_30_new_sections >> $HOME/geomorph/geomorphrc
elif type ./v0_30_new_sections > /dev/null ; then
	./v0_30_new_sections >> $HOME/geomorph/geomorphrc
fi