Open current repo's github page if it has one.

open-github.sh

# Depends on AWK, SED, and OSX's open command.
function github() {
  local github_url

  if ! git remote -v >/dev/null; then
    return 1
  fi

  # get remotes for fetch
  github_url="`git remote -v | grep github\.com | grep \(fetch\)$`"

  if [ -z "$github_url" ]; then
    echo "A GitHub remote was not found for this repository."
    return 1
  fi

  # look for origin in remotes, use that if found, otherwise use first result
  if [ "echo $github_url | grep '^origin' >/dev/null 2>&1" ]; then
    github_url="`echo $github_url | grep '^origin'`"
  else
    github_url="`echo $github_url | head -n1`"
  fi

  github_url="`echo $github_url | awk '{ print $2 }' | sed 's/git@github\.com:/http:\/\/github\.com\//g'`"
  open $github_url
}