Alt-C in Bash leaves extra blank spaces on command prompt

[joliss]

Checklist

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

Output of fzf --version

0.56.3 (add1aec6)

OS

• [X] Linux
• [ ] macOS
• [ ] Windows
• [ ] Etc.

Shell

• [X] bash
• [ ] zsh
• [ ] fish

Problem / Steps to reproduce

The Alt+C shell feature in Bash leaves extra blank spaces on the command prompt after completing:

https://github.com/user-attachments/assets/6ffd0dc7-4078-42e2-9209-3457a4565af3

• fzf 0.56.3 (add1aec6)
• Bash 5.2.21(1)-release
• Ubuntu Linux 24.04 (via SSH from macOS iTerm2)
• I initialized shell integration with eval "$(fzf --bash)".
• No FZF_* environment variables are set.

[junegunn]

I can't reproduce the problem. Can you check if you still have the problem on a clean bash environment?

env -i "PATH=$PATH" bash --noprofile --rcfile <(fzf --bash)