Paste a repository URL in the repo field or select an environment from the drop-down menu
Selecting a language-specific environment populates the repo field with a relevant example repo
When a repo URL is entered, an appropriate language environment is automatically selected, if possible
To open the environment without a cloned repository, leave the repo field blank
Click the "Launch" button
If the repo is private, you will be prompted to enter authentication information. (See: Connect to git)
Have fun!
If the cloned repo is public, you'll be prompted to enter a committer identity and authenticate to the git host before committing and pushing changes, respectively