[BUG] Plugin installer tries to use rename() to move files

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

This is a bug in the Claude Code plugin installer - it tries to use rename() to move files from ~/.claude/plugins/cache/ (on /home) to /tmp (on tmpfs), which fails with the EXDEV error.

What Should Happen?

No error

Error Messages/Logs

Steps to Reproduce

This is a bug in the Claude Code plugin installer - it tries to use rename() to move files from ~/.claude/plugins/cache/ (on /home) to /tmp (on tmpfs), which fails with the EXDEV error.

Claude Model

Opus

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

2.1.19 (Claude Code)

Platform

Anthropic API

Operating System

Other Linux

Terminal/Shell

Other

Additional Information

_No response_