#!/usr/bin/env bash

set -eu

compare=True

while [ "$#" -eq 1 ]
do
	case "$1" in
		--no-compare)
			compare=False
			;;
		*)
			echo "$0: Illegal option: $1" 1>&2
			exit 1
			;;
	esac
	shift
done

hn=$(set -eu; hostname)

rm -rf save-dir-*

for record in $(../../this-interpreter --variety minimal-a; ../../this-interpreter --variety minimal-b)
do
	pyver=$(echo "$record" | awk -F'%' ' { print $1 }')
	interp=$(echo "$record" | awk -F'%' ' { print $2 }')

	mkdir -p "save-dir-$pyver"

	find to-be-saved -name .svn -prune -o -print0 | \
		"$interp" ../../bin/backshift \
			--save-directory "save-dir-$pyver" \
			--backup \
			--hostname $hn \
			--subset test \
			--init-savedir
done

if [ "$compare" = True ]
then
	../compare-data save-dir-*
fi