#! /bin/bash set -e source ./scripts/env.sh ./.env.schema base="$1" head_arg="$2" head=$(git show --format=format:%h -q | xargs) if [[ -n "$head_arg" ]]; then head="$head_arg" fi; migration="./migrations/${base}_to_${head}.sql" pg_host=${PG_HOST:-localhost} base_url="postgresql://$POSTGRES_USER:$POSTGRES_PASSWORD@$pg_host:5432/dnim" head_url="postgresql://$POSTGRES_USER:$POSTGRES_PASSWORD@$pg_host:5433/dnim" if [[ -z "$base" ]] || [[ -z "$head" ]]; then echo "revisions to diff are required ex. ./scripts/diff.sh abc bcd" 1>&2; exit 1; fi if [[ ! -f "$migration" ]]; then ./scripts/build.sh base "$base" 1>&2 || (echo "base failed to build" && exit 1) ./scripts/build.sh head "$head" 1>&2 || (echo "head failed to build" && exit 1) until pg_isready -h "$pg_host" -p 5432 1>/dev/null && pg_isready -h "$pg_host" -p 5433 1>/dev/null; do true; done; migra --unsafe "$base_url" "$head_url" || echo "migra exited with code $?. this is /probably/ fine" 1>&2 else cat "$migration" fi