#!/usr/bin/env bash

# fail hard
set -o pipefail
# fail harder
set -eu

OUT_PREFIX=$1

dep_formula=${0#$WORKSPACE_DIR/} # this is the original script, e.g. pypy-5.3.1
dep_name=$(basename $BASH_SOURCE) # this is us
dep_version=${dep_formula##*"/${dep_name}-"} # "subtract" our name from full version name
dep_package=${dep_name}-${dep_version} # it's always "Python-…"
dep_dirname=${dep_package}-linux64
dep_archive_name=${dep_dirname}.tar.bz2
dep_url=https://python.org/ftp/python/${dep_version}/${dep_package}.tgz


echo "Installing necesary sqlite headers"
# install the necessary sqlite headers
apt-get update
apt-get install -y libsqlite3-dev

# # Old way of installing sqlite
# # shellcheck source=bin/utils
# source "$BIN_DIR/steps/sqlite3"

# sqlite3_version
# echo "Setting up SQLite3 Headers for $SQLITE3_VERSION"
# sqlite3_install "$OUT_PREFIX" "$SQLITE3_VERSION" 1

echo "Building Python 3..."

curl -L "${dep_url}" | tar jx -C "${OUT_PREFIX}" --strip-components 1 # extract to $OUT_PREFIX, drop the first directory level, which is the archive name

mv "${dep_package}" src
cd src

./configure --prefix=$OUT_PREFIX --with-ensurepip=no
make
make install

# Remove unneeded test directories, similar to the official Docker Python images:
# https://github.com/docker-library/python
find "${OUT_PREFIX}" \( -type d -a \( -name test -o -name tests \) \) -exec rm -rf '{}' +

# Remove spare /
LOCATION=${OUT_PREFIX%?}

ln $LOCATION/bin/python3 $LOCATION/bin/python

# copy over sqlite3 headers
cp "/usr/include/sqlite3"* "$LOCATION/include/"

# create generic .so symlink against stack image
ln -s "/usr/lib/x86_64-linux-gnu/libsqlite3.so.0" "$LOCATION/lib/libsqlite3.so"