#!/usr/bin/env bash

PG_VER=$1
WORK_DIR=/tmp/pg_pathman
BRANCH_1=$2
BRANCH_2=$3


if [ -z "$PG_VER" ]; then
	PG_VER=10
fi

if [ -z "$BRANCH_1" ]; then
	BRANCH_1=master
fi

if [ -z "$BRANCH_1" ]; then
	BRANCH_2=$(git tag | sort -V | tail -1)
fi


printf "PG:\\t$PG_VER\\n"
printf "BRANCH_1:\\t$BRANCH_1\\n"
printf "BRANCH_2:\\t$BRANCH_2\\n"


cp -R "$(dirname $0)" "$WORK_DIR"

git checkout "$BRANCH_1"

norsu pgxs "$PG_VER" -- clean install
norsu run "$PG_VER" --pgxs --psql < "$WORK_DIR"/dump_pathman_objects.sql > "$WORK_DIR"/dump_1

git checkout "$BRANCH_2"

norsu pgxs "$PG_VER" -- clean install
norsu run "$PG_VER" --pgxs --psql < "$WORK_DIR"/dump_pathman_objects.sql > "$WORK_DIR"/dump_2

diff -u "$WORK_DIR"/dump_1 "$WORK_DIR"/dump_2 > "$WORK_DIR"/diff