anchor.diff:  2. In Linux, side-by-side, by python tools fast-export
   http://hivelogic.com/articles/converting-from-mercurial-to-git/
   
  +----
   cd ~/dev/
   git clone git://repo.or.cz/fast-export.git
   git init git_repo
   cd git_repo
   ~/dev/fast-export/hg-fast-export.sh -r /path/to/old/mercurial_repo
   git checkout HEAD
  +----
   
   Problems:
  -2.1. unnamed heads
  +* unnamed heads
   - can be resolved by '--force' switch for fast-export
  -- WON'T be converted to git
  -2.2. hidden changesets
  +- WON'T be converted to gi
  +* hidden changesets
   - they are created if hg was using evolve extension (maybe when executing rebase?)
   - fast-export don't support these
   - they must be deleted from hg repo before conversion
  
positive.code: https://helgeklein.com/blog/2015/06/converting-mercurial-repositories-to-git-on-windows/
  
  %Userprofile%\mercurial.ini
  [extensions]
  hggit = 
  hgext.bookmarks =
  [git]
  intree = True
  
  hg bookmark -r default master  (or)  hg bookmark master (for marking working tree as git's master)
  hg gclear  (optionally, but for me was required)
  hg gexport --debug
  git config --bool core.bare false
  git reset HEAD -- .
  
  Problems: none
  Result: ?
  
negative.code: = Repos converting Hg -> Git
  :hp-tags: hg, git, repo
  [%hardbreaks]
  
  Two methods which gave me best results:
  
  