anchor.diff:          nix-repl
             mc
             git
  +          ccache
  +
  +          #FIXME: wkhtmltopdf fails to build on git nixpkgs! https://github.com/NixOS/nixpkgs/issues/11861#issuecomment-215982683
             wkhtmltopdf #$ wkhtmltopdf https://nixos.org/releases/nixos/unstable/nixos-16.09pre79453.32b7b00/manual/index.html nixos_manuel.pdf
   
   # (callPackage ltsa {})
  
positive.code: fi
  fi
  __red="1;31m"
  PS1='\n$(ret=$?; test $ret -ne 0 && printf "\[\e[$__red\]$ret\[\e[0m\] ")\[\e[$__prompt_color\]\u@\[\e[$__hostnamecolor\]\h \[\e[$__prompt_color\]\w$(__git_ps1 " [git:%s]")\[\e[0m\]\n$ '
  '';
  
  programs.bash.enableCompletion = true;
  
  
negative.code: # Show git info in bash prompt and display a colorful hostname if using ssh.
  programs.bash.promptInit = ''
  export GIT_PS1_SHOWDIRTYSTATE=1
  #echo '1' 2>&1
  source ${pkgs.gitAndTools.gitFull}/share/git/contrib/completion/git-prompt.sh
  #echo '2' 2>&1
  __prompt_color="1;32m"
  # Alternate color for hostname if the generated color clashes with prompt color
  __alternate_color="1;33m"
  