simplify hugo logic

**Motivation:** it looks too complex.

With `retry` it could be little bit easy to read and maintain https://github.com/gohugoio/hugo/commit/a3d42a277d3c492ce4a7860956234134e130aba1#diff-8864237188325a7d5210e49a48ac8ba5870a021bcf16344bc11895a1aacd96e8.