mercurial SCM as a server with ACL extension

I am a user of git.
Now I want to use mercurial, because of its Mercurial ACL extension.
I need someone to help setup a mercurial server using ssh only.
We shall allow some users per repo and per branch.

AclExtension - Mercurial
https://www.mercurial-scm.org/wiki/AclExtension