gistfile1.sh

function git-web-compare(){
  # Usage:
  #   cd <git_repo>
  #   git-web-compare <user/repo>
  #   -> copies url into clipboard
  #   -> opens browser window at url
  #
  # Example:
  #   cd rails
  #   git-web-compare rails/rails
  #   -> magick

  local date=1.days
  local last=$(git branch | grep '*' | cut -d ' ' -f 2-2)
  local first=$(git log --pretty=oneline --since $date | cut -d ' ' -f 1-1 | tail -1)

  local url="https://github.com/$1/compare/$first...$last"

  echo $url
  echo $url | pbcopy
  open $url
}