#!/bin/bash
HEAD=/tmp/dwarfhead
header_separate() {
    cat > $HEAD << 'EOF'
#!/bin/sh
DIR="$(mktemp -td dwarf_$(basename "$0")XXXXX)"
ARG="-o offset=auto -o tidy_strategy=swap -o workers=4"
dwarfs $ARG "$0" "$DIR" 2>/dev/null
export APPDWARF_CMD=$(basename "$0")
"$DIR/AppRun" "$@"
fusermount -u "$DIR"
rmdir "$DIR"
exit
EOF
}

header() {
    cat > $HEAD << 'EOF'
#!/bin/sh
DIR="/tmp/dwarf_$(echo "$0" | md5sum | head -c5)$(basename "$0")"
export APPDWARF_CMD=$(basename "$0")

if [[ -d $DIR ]]; then
    "$DIR/AppRun" "$@"
else
    mkdir "$DIR"
    ARG="-o offset=auto -o tidy_strategy=swap -o workers=4"
    dwarfs $ARG "$0" "$DIR" 2>/dev/null
    "$DIR/AppRun" "$@"
fi
fusermount -qu "$DIR"
rmdir "$DIR"
exit
EOF
}