#!/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"

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

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

  case "$confirmation" in
    [Yy]*)
      if git describe --exact-match --match='v*' 2>/dev/null; then
        echo "Creating 'latest' symlink.."
        ssh -i "$SSH_KEY" "$SSH_ADDRESS" ln -snf /mnt/radicle/files/releases/$version /mnt/radicle/files/releases/latest
      else
        echo "Release tag must start with 'v'; operation aborted."
        exit 1
      fi ;;
    *)
      echo "Operation aborted."
      exit 1 ;;
  esac
  echo "Done."
}

main "$@"