Pierre-Yves David <pierre-yves.david@octobus.net> [Sun, 21 Mar 2021 16:31:42 +0100] rev 46825
path: extract sub-option logic into its own method
We will need to re-use this logic for `path://` so we first extract it into its own method.
Differential Revision: https://phab.mercurial-scm.org/D10262