#!/bin/sh
mkdir appdir
if not mkdwarfs -i $@ -o appdir/root.dwarfs; then
    mkdwarfs -i $@ -o appdir/temp.dwarfs -l0
    mkdwarfs --recompress -i appdir/temp.dwarfs -o appdir/root.dwarfs
    rm appdir/temp.dwarfs
fi

cat >> appdir/AppRun <<'EOF'
#!/bin/sh
HERE=$(dirname $(readlink -f "${0}"))
DIR=/tmp/.dwarf_$RANDOM
mkdir $DIR 2> /dev/null
dwarfs $HERE/root.dwarfs $DIR 2> /dev/null
$DIR/AppRun $@
fusermount -uz $DIR 2> /dev/null
rmdir $DIR 2> /dev/null
EOF

chmod +x appdir/AppRun
mksquashfs appdir app.sfs -noD
cat $(which appimageruntime) app.sfs > $(basename $@).sh
chmod +x $(basename $@).sh
rm -r appdir app.sfs