#!/bin/bash
set -e

BINDIR="/opt/bin"

mkdir -p $BINDIR

cd $BINDIR

if [[ -e $BINDIR/.bootstrapped ]]; then
  exit 0
fi

PYPY_VERSION=v6.0.0

wget -O - https://bitbucket.org/pypy/pypy/downloads/pypy3-$PYPY_VERSION-linux64.tar.bz2 | tar -xjf -
mv -n pypy3-$PYPY_VERSION-linux64 pypy3

## library fixup
mkdir -p pypy3/lib
if [ -f /lib64/libncurses.so.5.9 ]; then
  ln -snf /lib64/libncurses.so.5.9 $BINDIR/pypy3/lib/libtinfo.so.5
elif [ -f /lib64/libncurses.so.6.1 ]; then
  ln -snf /lib64/libncurses.so.6.1 $BINDIR/pypy3/lib/libtinfo.so.5
fi

cat > $BINDIR/python <<EOF
#!/bin/bash
LD_LIBRARY_PATH=$BINDIR/pypy3/lib:$LD_LIBRARY_PATH exec $BINDIR/pypy3/bin/pypy3 "\$@"
EOF

chmod +x $BINDIR/python
$BINDIR/python --version

touch $BINDIR/.bootstrapped