bash function for viewing current git branch on github

gistfile1.sh

function gh {
  branch="$(git rev-parse --abbrev-ref HEAD)"
  url="$(git config --get remote.origin.url)"
  url=${url/[email protected]:/http://github.com/}
  url=${url/.git/}
 
  if [[ $1 =~ "-c" ]]; then action="compare"
  elif [[ $1 =~ "-p" ]]; then action="pull"
  else action="tree"; fi
 
  if [[ $2 != "" ]]; then base="$2..."
  else base=""; fi
 
  url="${url}/${action}/${base}${branch}"
 
  echo "Opening ${url} $(\open ${url})"
}

api

gh // open tree in github
gh -c // open comparison in github
gh -p // open pull request in github
gh [-c|-p] branch-name // open comparison or pr with branch