#!/bin/bash

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# install or upgrade postgrest / frode klevstul / oct 2025
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


if [ "$EUID" -ne 0 ]
  then echo "error: run as 'root'"
  exit
fi

# ---
# postgrest
# ---

cd /tmp

# fetch the latest release version
# src: https://gist.github.com/steinwaywhw/a4cd19cda655b8249d908261a62687f8?permalink_comment_id=5097031#gistcomment-5097031
latest_version=$(curl -s https://api.github.com/repos/PostgREST/postgrest/releases/latest | grep -oP '"tag_name": "\K(.*)(?=")')

# construct download url
download_url="https://github.com/PostgREST/postgrest/releases/download/${latest_version}/postgrest-${latest_version}-linux-static-x86-64.tar.xz"

# download the file
wget -O postgrest.tar.xz ${download_url}

# extract the executable
tar -xJf *.xz

# move executable to correct directory
mv postgrest /usr/local/bin



if ! [ -d "/etc/postgrest" ]
then

    # make dir(s) if they do not exist
    mkdir -p "/etc/postgrest"

fi

if ! [ -f "/etc/postgrest/config" ]
then

    wget https://gt.op.fo/fro/srv-pub/raw/branch/trunk/cfg/pgr/config

    cp config /etc/postgrest/

    echo "please add proper login data to /etc/postgrest/config!"

fi