#!/bin/sh
set -e

if [ $# -ne 1 ]; then
  echo "Usage: $0 <version-number>"
  exit 1
fi

SSH_LOGIN=${SSH_LOGIN:-release}
SSH_ADDRESS=${SSH_ADDRESS:-$SSH_LOGIN@files.radicle.xyz}
SSH_KEY="$(rad path)/keys/radicle"

main() {
  version="$1"
  destination="/var/www/files.radicle.xyz/releases"

  if [ -z "$version" ]; then
    echo "fatal: empty version number" >&2 ; exit 1
  fi

  if ! git rev-parse --verify "releases/$version^{tag}" >/dev/null 2>&1; then
    echo "error: '$version' is not a valid version, tag 'releases/$version' not found" >&2
    exit 1
  fi

  printf "Releasing Radicle %s? [y/N] " "$version"
  read -r confirmation

  case "$confirmation" in
    [Yy]*)
      echo "Creating 'latest' symlink.."
      ssh -i "$SSH_KEY" "$SSH_ADDRESS" ln -snf "$destination/$version" "$destination/latest" ;;
    *)
      echo "Operation aborted."
      exit 1 ;;
  esac
  echo "Done."
}

main "$@"