[BUG] Terminal Interaction Is Broken - Cannot Use

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Introduction

Claude Code is a powerful tool for developers, providing an intuitive interface for coding and collaboration. However, some users have reported issues with terminal interaction, making it impossible to use the tool. In this article, we will delve into the details of the bug, explore the environment and steps to reproduce, and discuss the expected and actual behavior.

Environment

Platform

  • Other: N/A, don't understand the question

Claude CLI Version

  • 0.2.35 (Claude Code)

Operating System

  • Ubuntu 22.04 (via PopOS!)

Terminal

  • gnome-terminal (nothing special, tried both within and without tmux, same problem)

Bug Description

When starting Claude Code by simply typing "claude", two problems arise:

  1. Terminal Size Not Recognized: The terminal size is not recognized, resulting in a garbled rendering. Moving the cursor up and down partially fixes the issue, but the top part still retains garbage. Initially, the rendering is incorrect, with the wrong width.
  2. Unable to Proceed: After the initial rendering issue, the tool asks to "Choose the text style that looks best with your terminal:" with a menu. However, pressing Enter does nothing, and other keys do not work. This makes it impossible to proceed past this stage.

Steps to Reproduce

  1. Type "claude" on an Ubuntu 22.04 system.
  2. The issue can occur in an empty directory or one with some code.

Expected Behavior

  • Correct Terminal Size and Rendering: The terminal size should be recognized, and the rendering should be correct.
  • Ability to Proceed: Pressing Enter should store the setting, and the user should be able to start using the tool.

Actual Behavior

  • Incorrect Terminal Size and Rendering: The terminal size is not recognized, resulting in a garbled rendering.
  • Unable to Proceed: Pressing Enter does nothing, and other keys do not work, making it impossible to proceed past the initial screen.

Additional Context

  • No Special Configuration: The issue occurs with the default configuration and without any special settings.
  • Reproducible: The issue is reproducible on multiple attempts.

Possible Causes

  • Terminal Emulation: The issue might be related to the terminal emulation used by Claude Code.
  • Configuration: The problem could be caused by a misconfiguration or an incompatibility with the Ubuntu 22.04 system.
  • Bug: It is possible that the issue is a bug in the Claude Code tool.

Workarounds

  • Try a Different Terminal: Using a different terminal emulator might resolve the issue.
  • Check Configuration: Verifying the configuration and settings might help identify the problem.
  • Update Claude Code: Updating the Claude Code tool to the latest version might resolve the issue.

Conclusion

Frequently Asked Questions

Q: What is the Claude Code terminal interaction bug?

A: The Claude Code terminal interaction bug is an issue that prevents users from using the tool due to incorrect terminal size and rendering, and the inability to proceed past the initial screen.

Q: What are the symptoms of the bug?

A: The symptoms of the bug include:

  • Incorrect terminal size and rendering
  • Garbled rendering that can be partially fixed by moving the cursor up and down
  • Inability to proceed past the initial screen by pressing Enter or other keys

Q: What are the possible causes of the bug?

A: The possible causes of the bug include:

  • Terminal emulation issues
  • Configuration problems or incompatibilities with the Ubuntu 22.04 system
  • Bugs in the Claude Code tool

Q: How can I reproduce the bug?

A: To reproduce the bug, follow these steps:

  1. Type "claude" on an Ubuntu 22.04 system.
  2. The issue can occur in an empty directory or one with some code.

Q: What are the expected behaviors of the tool?

A: The expected behaviors of the tool include:

  • Correct terminal size and rendering
  • Ability to proceed past the initial screen by pressing Enter or other keys

Q: What are the workarounds for the bug?

A: The workarounds for the bug include:

  • Trying a different terminal emulator
  • Checking configuration and settings
  • Updating Claude Code to the latest version

Q: Is the bug specific to Ubuntu 22.04?

A: The bug is reported to occur on Ubuntu 22.04, but it is possible that it may also occur on other systems.

Q: Can I use Claude Code in a different terminal?

A: Yes, you can try using a different terminal emulator to see if it resolves the issue.

Q: How can I report the bug?

A: You can report the bug to the Claude Code team by providing detailed information about the issue, including the steps to reproduce it and any relevant configuration or system details.

Q: Will the bug be fixed?

A: The Claude Code team is working to resolve the issue, but no specific timeline has been provided.

Q: Can I use Claude Code in the meantime?

A: Unfortunately, the bug prevents users from using the tool, so it is not possible to use Claude Code in the meantime.

Q: Are there any known workarounds for the bug?

A: Yes, the workarounds mentioned earlier, such as trying a different terminal emulator, checking configuration and settings, and updating Claude Code, may help resolve the issue.

Q: Can I get help from the Claude Code community?

A: Yes, the Claude Code community is active and may be able to provide assistance or workarounds for the bug.