#!/bin/sh
set -euo pipefail

echo "Akkoma Schema Diff"

if [ -z $1 ]; then
    echo "Usage: ./schema-diff <DB_NAME> <BRANCH:stable>"
    exit 1;
fi

echo "Using database $1"

BRANCH=${2:-stable}

echo "Cloning $BRANCH locally..."

if [ ! -d src ]; then
    git clone https://akkoma.dev/AkkomaGang/akkoma/ -b $BRANCH src
fi

cd src && git checkout $BRANCH && git pull && cd ..

ls src/priv/repo/migrations/ | cut -d '_' -f1 | sort -n > expected_migrations.txt

psql $1 --csv -t -c "select version from schema_migrations" | sort -n  > local_migrations.txt

echo "DIFF FOLLOWS"

diff expected_migrations.txt local_migrations.txt

echo "END DIFF"