#!/usr/bin/env bash
# Fail unless the release tag matches the crate version.
# Env: TAG (a leading "v" is tolerated). Run from the repository root.

set -euo pipefail
: "${TAG:?set TAG to the tag being released}"

here="$(cd "$(dirname "$0")" && pwd)"
tag="${TAG#v}"
version="$(bash "$here/version.sh")"

if [ "$tag" != "$version" ]; then
  echo "tag ${TAG} does not match Cargo.toml version ${version}" >&2
  exit 1
fi

echo "tag ${TAG} matches crate version ${version}"