Branching

to update branch

$ git checkout -b shopping_cart
$ git push origin shopping_cart

$ git add cart.rb
$ git commit -a -m "Add basic cart ability.
$ git push

$ git pull

to list all remote branches

$ git branch
$ git branch -r
$ git checkout shopping_cart
$ git remote show origin

to delete branch

$ git push origin :shopping_cart
$ git branch -d shopping_cart
$ git remote prune origin

to deploy

$ git push heroku-staging staging:master

to tag

$ git tag
$ git checkout v0.0.1
$ git tag -a v0.0.3 -m "version 0.0.3"
$ git push --tags