.bash_profile

commit_time ()
{
  local repo=`git rev-parse --git-dir 2>/dev/null`
  if [ -n "$repo" ]; then

    local last=`git log --pretty=format:'%at' -1`
    local now=`date +%s`
    local m_since=0
    ((m_since=($now - $last) / 60))

    local color=""
    if [ $m_since -gt 60 ]; then
      # Red
      color="\033[0;31m"
    elif [ $m_since -gt 30 ]; then
      # Yellow
      color="\033[0;33m"
    else
      # Green
      color="\033[0;32m"
    fi

    printf "${1:-%b}" "${color}${m_since}\033[0m"
  fi
}