# Mercurial
  alias hgc='hg commit'
  alias hgb='hg branch'
  alias hgba='hg branches'
  alias hgbk='hg bookmarks'
  alias hgco='hg checkout'
  alias hgd='hg diff'
  alias hged='hg diffmerge'
  # pull and update
  alias hgi='hg incoming'
  alias hgl='hg pull -u'
  alias hglr='hg pull --rebase'
  alias hgo='hg outgoing'
  alias hgp='hg push'
  alias hgs='hg status'
  alias hgsl='hg log --limit 20 --template "{node|short} | {date|isodatesec} | {author|user}: {desc|strip|firstline}
  " '

  alias hgca='hg commit --amend'

  # list unresolved files (since hg does not list unmerged files in the status command)
  alias hgun='hg resolve --list'
  
  function in_hg() {
    if [[ -d .hg ]] || $(hg summary > /dev/null 2>&1); then
      echo 1
    fi
  }
  
  function hg_get_branch_name() {
    if [ $(in_hg) ]; then
      echo $(hg branch)
    fi
  }
  
  function hg_prompt_info {
    if [ $(in_hg) ]; then
      _DISPLAY=$(hg_get_branch_name)
      echo "$ZSH_PROMPT_BASE_COLOR$ZSH_THEME_HG_PROMPT_PREFIX\

  $ZSH_THEME_REPO_NAME_COLOR$_DISPLAY$ZSH_PROMPT_BASE_COLOR$ZSH_PROMPT_BASE_COLOR$(hg_dirty)$ZSH_THEME_HG_PROMPT_SUFFIX$ZSH_PROMPT_BASE_COLOR"

      unset _DISPLAY
    fi
  }
  
  function hg_dirty_choose {
    if [ $(in_hg) ]; then
      hg status 2> /dev/null | command grep -Eq '^\s*[ACDIM!?L]'
      if [ $pipestatus[-1] -eq 0 ]; then
        # Grep exits with 0 when "One or more lines were selected", return "dirty".
        echo $1
      else
        # Otherwise, no lines were found, or an error occurred. Return clean.
        echo $2
      fi
    fi
  }
  
  function hg_dirty {
    hg_dirty_choose $ZSH_THEME_HG_PROMPT_DIRTY $ZSH_THEME_HG_PROMPT_CLEAN
  }
  
  function hgic() {
      hg incoming "$@" | grep "changeset" | wc -l
  }
  
  function hgoc() {
      hg outgoing "$@" | grep "changeset" | wc -l
  }