Checklist

• I have read through the manual page (man fzf)
• I have searched through the existing issues
• For bug reports, I have checked if the bug is reproducible in the latest version of fzf

Output of fzf --version

0.61.2 (brew)

OS

• Linux
• macOS
• Windows
• Etc.

Shell

• bash
• zsh
• fish

Problem / Steps to reproduce

fzf --tmux exits prematurely when run from tmux run-shell since 0.61.2. This can be reproduced by running tmux run-shell "fzf --tmux".

This seems related to this change: af8fe91

Note that running tmux run-shell "TMUX_PANE=1 fzf --tmux" works as expected.