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

0.66.0 (brew)

OS

• Linux
• macOS
• Windows
• Etc.

Shell

• bash
• zsh
• fish

Problem / Steps to reproduce

I have this in my bat config file:

--theme-light="Catppuccin Latte"
--theme-dark="Catppuccin Mocha"

fzf ignores the --theme-{light,dark} options, with no error message. However, if I use --theme instead, then the preview uses the specified theme.

This is not specific to Catppuccin or other manually installed themes. For an easier repro (assume your system is in dark mode), compare the following commands:

fzf --preview "bat --color=always --style=numbers --theme=GitHub {}"
fzf --preview "bat --color=always --style=numbers --theme-dark=GitHub {}"