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Using GitHub Codespaces with GitHub CLI

You can work with GitHub Codespaces directly from your command line by using gh, the GitHub command line interface.

GitHub Codespaces is available for organizations using GitHub Team or GitHub Enterprise Cloud. 詳しい情報については「GitHubの製品」を参照してください。

GitHub CLI について

GitHub CLI は、コンピューターのコマンドラインから GitHub を使用するためのオープンソースツールです。 コマンドラインから作業しているときは、GitHub CLI を使用して時間を節約し、コンテキストの切り替えを回避できます。 詳しい情報については、「GitHub CLI について」を参照してください。

You can work with Codespaces in the GitHub CLI to:

GitHub CLIのインストール

GitHub CLIのインストール手順についてはGitHub CLIリポジトリを参照してください。

GitHub CLIを使用する

If you have not already done so, run gh auth login to authenticate with your GitHub account.

To use gh to work with Codespaces, type gh codespace <COMMAND> or its alias gh cs <COMMAND>.

As an example of a series of commands you might use to work with GitHub Codespaces, you could:

  • List your current codespaces, to check whether you have a codespace for a particular repository:
    gh codespace list
  • Create a new codespace for the required repository branch:
    gh codespace create -r github/docs -b main
  • SSH into the new codespace:
    gh codespace ssh -c mona-github-docs-v4qxrv7rfwv9w
  • Forward a port to your local machine:
    gh codespace ports forward 8000:8000 -c mona-github-docs-v4qxrv7rfwv9w

gh commands for GitHub Codespaces

The sections below give example commands for each of the available operations.

For a complete reference of gh commands for GitHub Codespaces, including details of all available options for each command, see the GitHub CLI online help for "gh codespace." Alternatively, use gh codespace [<SUBCOMMAND>...] --help on the command line.

Note: The -c <em>codespace-name</em> flag, used with many commands, is optional. If you omit it a list of codespaces is displayed for you to choose from.

List all of your codespaces

gh codespace list

The list includes the unique name of each codespace, which you can use in other gh codespace commands.

Create a new codespace

gh codespace create -r owner/repository [-b branch]

詳しい情報については、「codespace を作成する」を参照してください。

Stop a codespace

gh codespace stop -c codespace-name

For more information, see "Deep dive into GitHub Codespaces."

Delete a codespace

gh codespace delete -c codespace-name

For more information, see "Deleting a codespace."

SSH into a codespace

To run commands on the remote codespace machine, from your terminal, you can SSH into the codespace.

gh codespace ssh -c codespace-name

GitHub Codespaces copies your GitHub SSH keys into the codespace on creation for a seamless authentication experience. You may be asked to enter the passphrase for your SSH key, after which you will get a command prompt from the remote codespace machine.

If you don't have any SSH keys, follow the instructions in "Generating a new SSH key and adding it to the ssh-agent."

Open a codespace in Visual Studio Code

gh codespace code -c codespace-name

For more information, see "Using Codespaces in Visual Studio Code."

Open a codespace in JupyterLab

gh codespace jupyter -c codespace-name

Copy a file to/from a codespace

gh codespace cp [-r] source(s) destination 

Use the prefix remote: on a file or directory name to indicate that it's on the codespace. As with the UNIX cp command, the first argument specifies the source and the last specifies the destination. If the destination is a directory, you can specify multiple sources. Use the -r (recursive) flag if any of the sources is a directory.

The location of files and directories on the codespace is relative to the home directory of the remote user.

サンプル

  • Copy a file from the local machine to the $HOME directory of a codespace:

    gh codespace cp myfile.txt remote:

  • Copy a file to the directory in which a repository is checked out in a codespace:

    gh codespace cp myfile.txt remote:/workspaces/<REPOSITORY-NAME>

  • Copy a file from a codespace to the current directory on the local machine:

    gh codespace cp remote:myfile.txt .

  • Copy three local files to the $HOME/temp directory of a codespace:

    gh codespace cp a1.txt a2.txt a3.txt remote:temp

  • Copy three files from a codespace to the current working directory on the local machine:

    gh codespace cp remote:a1.txt remote:a2.txt remote:a3.txt .

  • Copy a local directory into the $HOME directory of a codespace:

    gh codespace cp -r mydir remote:

  • Copy a directory from a codespace to the local machine, changing the directory name:

    gh codespace cp -r remote:mydir mydir-localcopy

For more information about the gh codespace cp command, including additional flags you can use, see the GitHub CLI manual.

Modify ports in a codespace

You can forward a port on a codespace to a local port. The port remains forwarded as long as the process is running. To stop forwarding the port, press Control+C.

gh codespace ports forward codespace-port-number:local-port-number -c codespace-name

To see details of forwarded ports enter gh codespace ports and then choose a codespace.

You can set the visibility of a forwarded port. 可視性の設定は3つあります:

  • private - 自分にだけ見えます。 これはポートをフォワードする際のデフォルト設定です。
  • org - リポジトリを所有するOrganizationのメンバーに見えます。
  • public - URLとポート番号を知っている人なら誰にでも見えます。
gh codespace ports visibility codespace-port:private|org|public -c codespace-name

You can set the visibility for multiple ports with one command. 例:

gh codespace ports visibility 80:private 3000:public 3306:org -c codespace-name

For more information, see "Forwarding ports in your codespace."

Access codespace logs

You can see the creation log for a codespace. After entering this command you will be asked to enter the passphrase for your SSH key.

gh codespace logs -c codespace-name

For more information about the creation log, see "GitHub Codespaces logs."