#!/bin/sh
#
######################################################
# Build script                                       #
#                                                    #
# See .info for details                              #
######################################################

tce-load -i compiletc squashfs-tools meson python3.8-meson cmake libudev-dev 

######################################################
# Configure extension creation parameters            #
######################################################

SRCNAM=fuse-3.9.3.tar.xz
WRKDIR=fuse-3.9.3
EXTNAM=fuse3
TMPDIR=/tmp/$EXTNAM

######################################################
# Prepare extension creation                         #
######################################################

# Remove dirs and files left from previous creation

rm -r -f $WRKDIR

rm -r -f $TMPDIR
rm -r -f $TMPDIR-dev

# Crete temporary directory

mkdir -p $TMPDIR

######################################################
# Compile extension                                  #
######################################################

# Export variables needed for compilation

case $(uname -m) in
	arm*)
		export CFLAGS="-Os -pipe -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp"
		export CXXFLAGS="-Os -pipe -fexceptions -fno-rtti -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp"
	;;
	aarch64)
		export CFLAGS="-Os -pipe -march=armv8-a+crc -mtune=cortex-a72"
		export CXXFLAGS="-Os -pipe -fexceptions -fno-rtti -march=armv8-a+crc -mtune=cortex-a72"
	;;
esac
export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig

# Unpack source in current directory

tar -xf $SRCNAM

# Configure it

cd $WRKDIR

mkdir build
cd build

meson -D udevrulesdir=/usr/local/share/fuse3/files -D prefix=/usr/local ..

# Compile

ninja

# Install in base temp dir

sudo -E DESTDIR=$TMPDIR ninja install

# Delete compilation work directory

cd ../..
rm -r -f $WRKDIR

#Fix the tmpdir right so sudo is not needed much
sudo -E chown -R tc.staff $TMPDIR

# Adjust directory access rigths

find $TMPDIR/ -type d | xargs chmod -v 755;

# Strip executables

find $TMPDIR | xargs file | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded

# Move files to dev extension

mkdir -p $TMPDIR-dev/usr/local/lib
mv $TMPDIR/usr/local/include $TMPDIR-dev/usr/local
mv $TMPDIR/usr/local/lib/pkgconfig $TMPDIR-dev/usr/local/lib

# Remove docs
rm -rf $TMPDIR/usr/local/share/man

mv -f $TMPDIR/etc/init.d $TMPDIR/usr/local/etc
rm -rf $TMPDIR/etc

#mkdir -p $TMPDIR/usr/local/share/fuse3/files
#mv $TMPDIR/lib/udev/rules.d/99-fuse3.rules $TMPDIR/usr/local/share/fuse3/files

mkdir -p $TMPDIR/usr/local/tce.installed
cp fuse3.ins $TMPDIR/usr/local/tce.installed/fuse3
sudo -E chown -R root.staff $TMPDIR/usr/local/tce.installed
sudo -E chmod -R 775 $TMPDIR/usr/local/tce.installed

rm -rf $TMPDIR/dev

sudo -E chown root.root $TMPDIR/usr/local/bin/fusermount3
sudo chmod u+s $TMPDIR/usr/local/bin/fusermount3

###################################################
# Create base extension in temp dir               #
###################################################

cd $TMPDIR
cd ..
mksquashfs $TMPDIR $EXTNAM.tcz
cd $TMPDIR
find usr -not -type d > $EXTNAM.tcz.list
mv ../$EXTNAM.tcz .

# Create md5 file

md5sum $EXTNAM.tcz > $EXTNAM.tcz.md5.txt

# Cleanup temp directory

rm -r -f usr

###################################################
# Create dev extension in temp dir                #
###################################################

cd $TMPDIR-dev
cd ..
mksquashfs $TMPDIR-dev $EXTNAM-dev.tcz
cd $TMPDIR-dev
find usr -not -type d > $EXTNAM-dev.tcz.list
mv ../$EXTNAM-dev.tcz .

# Create md5 file

md5sum $EXTNAM-dev.tcz > $EXTNAM-dev.tcz.md5.txt

# Cleanup temp directory

rm -r -f usr