fix(clipboard): write OSC52 to /dev/tty instead of stdout #12129
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Fixes clipboard copy failing in terminal multiplexers like Zellij, tmux, and screen. These tools intercept OSC52 escape sequences written to stdout but do not forward them to the outer terminal. Writing to /dev/tty (or SSH_TTY when connected via SSH) bypasses the multiplexer's PTY layer and sends OSC52 directly to the terminal emulator. Falls back to stdout if /dev/tty is unavailable (e.g., on Windows). Fixes anomalyco#12082 Co-Authored-By: Claude Opus 4.5 <[email protected]>
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The following comment was made by an LLM, it may be inaccurate: Potential Duplicate Found:
This PR appears to address a related clipboard OSC52 issue with SSH compatibility. Since PR #12129 also handles SSH scenarios (using Recommendation: Check PR #9008 to determine if it's already solving this issue or if there are differences in approach (writing to |
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Summary
/dev/ttyinstead ofstdoutto bypass terminal multiplexersSSH_TTYenvironment variable when connected via SSH/dev/ttyis unavailable (e.g., Windows)Problem
Clipboard copy fails in terminal multiplexers (Zellij, tmux, screen) because they intercept OSC52 sequences written to stdout and don't pass them through to the outer terminal.
Solution
Write directly to
/dev/ttywhich bypasses the multiplexer's PTY layer. This is how tools like lazygit and neovim handle clipboard operations in multiplexers.Fixes #12082
Test plan
🤖 Generated with Claude Code