message: Inject fish shell commands with help of the source command
diff: @@ -35,8 +35,16 @@ abstract class ScriptBuilder {
  }
  }
  +const EOT = '\x04';
  +
  export class FishScriptBuilder extends ScriptBuilder {
  + build(): string {
  + return `source
  +${super.build()}
  +${EOT}`;
  + }
  +
  protected _buildCookie(): string {
  return `set -x ${this._extratermCookieName} ${this._extratermCookieValue}`;
  }
  