#!/usr/bin/env sh
# Verify release tags (refs/tags/v*) against .versionrc.json before git
# creates them. Every other ref update (commits, fetch, branches) exits at once.
[ "$1" = "prepared" ] || exit 0
tags=""
while read -r old new ref; do
  case "$ref" in
    refs/tags/v*)
      [ "$old" = "$new" ] && continue
      case "$new" in *[!0]*) tags="$tags ${ref#refs/tags/}:$new" ;; esac
      ;;
  esac
done
[ -n "$tags" ] || exit 0
[ -f scripts/version.mjs ] || exit 0
for t in $tags; do
  node scripts/version.mjs check --hook --tag "${t%:*}" --ref "${t##*:}" </dev/null || {
    echo "version: refusing to create tag ${t%:*} (fix the version, or tag the right commit)" >&2
    exit 1
  }
done