ship

#!/bin/sh
set -e -u
dst=submission.tgz
bot=$1
rustlib=$(ldd "$bot" | \
    while read soname arrow libfile stuff
    do if [ "$soname" = librustrt.so ]
	then echo "${libfile%/*}"; break
	fi
    done)
if [ -z "$rustlib" ]
then echo "Rust libraries not found." >&2; exit 1
fi

set -x
t=`mktemp -d`
git clone . "$t"/src

:> "$t"/PACKAGES
cp README "$t"/README
echo '#!/bin/sh' | tee "$t"/install
tee "$t"/lifter <<EOF
#!/bin/sh
LD_LIBRARY_PATH=\\\$ORIGIN/lib\${LD_LIBRARY_PATH:+:\$LD_LIBRARY_PATH}
export LD_LIBRARY_PATH
exec "\$0".real
EOF
cp "$bot" "$t"/lifter.real
chmod +x "$t"/install "$t"/lifter "$t"/lifter.real

mkdir "$t"/lib
cp "$rustlib"/librustrt* "$t"/lib/
cp "$rustlib"/libcore-* "$t"/lib/
cp "$rustlib"/libstd-* "$t"/lib/

( cd "$t" && tar zcf - . ) > "$dst"
rm -rf "$t"
set +x
echo
echo "$bot => $dst"