#!/usr/bin/env bash
# SPDX-License-Identifier: AGPL-3.0-only
set -euo pipefail
root=$(CDPATH= cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)
[[ -z $(git -C "$root" status --porcelain=v1 --untracked-files=all) ]] || {
	echo "snapshot test requires a clean committed worktree" >&2
	exit 1
}
parent=$(mktemp -d)
trap 'rm -rf -- "$parent"' EXIT
destination=$parent/public
go run "$root/scripts/export-public-snapshot.go" --source "$root" --destination "$destination"
test -f "$destination/PUBLIC-SNAPSHOT.json"
test -f "$destination/PUBLIC-SNAPSHOT.sha256"
test ! -e "$destination/.git"
(cd "$destination" && sha256sum -c PUBLIC-SNAPSHOT.sha256)
if go run "$root/scripts/export-public-snapshot.go" --source "$root" --destination "$destination"; then
	echo "snapshot exporter altered an existing destination" >&2
	exit 1
fi