TortoiseHg won't start because its own Mercurial is too old
#!python
** Mercurial version (5.6.1+6-b308d750de82). TortoiseHg version (5.8rc0+2-8bfc227708b4)
[…]
This version of TortoiseHg requires Mercurial version 5.7.n to 5.8.n, but found 5.6.1
Sort of un-f…-believable.
$ /usr/local/bin/hg --version
Mercurial Distributed SCM (version 5.8rc1+hg15.b7e623ac98b6)
$ /usr/local/thg/contrib/hg --version
Mercurial Distributed SCM (version 5.6.1+6-b308d750de82)