FZF_CTRL_R_OPTS with --no-tac or --tac has no effect on history order in fish shell integration

[og900aero]

Using fish shell integration (fzf --fish | FZF_CTRL_T_COMMAND= FZF_ALT_C_COMMAND= source), the history widget (Ctrl+R) shows the most recent command at the top. I'd like to reverse this so the most recent entry appears at the bottom, matching the behavior I had with bash integration.
I use the following code in config.fish:

if status is-interactive
    # Commands to run in interactive sessions can go here
    set -U fish_greeting
    set -gx FZF_CTRL_R_OPTS "--with-nth 3.. --bind 'alt-t:change-with-nth(1,3..|3..)'"
    set -gx SUDO_PROMPT (tput setab 1 setaf 7 bold)"[sudo]"(tput sgr0)" password for %p: "
    fzf --fish | FZF_CTRL_T_COMMAND= FZF_ALT_C_COMMAND= source
    starship init fish | source
    fastfetch
end

I tried with --tac and --no-tac, but nothing happend. Is there a correct way to control history display order via FZF_CTRL_R_OPTS in fish integration?

[bitraid]

Setting --tac through FZF_CTRL_R_OPTS works for me (reverses the list order), but this seems like a terrible option for history (instead of viewing the most recent commands on CTRL-R, it always displays the very first commands). Maybe you are looking for --reverse?

[og900aero]

I attached the example:
first picture show the actually ctrl+r
Then I press ls -la command, and press ctrl+R. You see, the list is the same. The ls -la command is not first options. ls -la on the top. It isnt good.

[bitraid]

I don't see a picture, but I think you are looking for --layout=reverse or --layout=reverse-list. If you tried those and you don't see any difference, please show the exact command you use to set FZF_CTRL_R_OPTS. If you see a difference but it isn't what you want, please try to share a screenshot and describe what you expect.

[og900aero]

Sorry. So first picture show the actually ctrl+R

Then I press ls -la command, and press ctrl+R. You see, the list is the same. The ls -la command is not first options. ls -la on the top.

third picture is a layout reverse.

Fourth picture is under bash: The input field is at the bottom, and the most recent command is also at the bottom.
Fifth picture is a layout revers-list. Is a good version.

Fifth picure is a layout reverse-list option:

I use the following (temporary) command for test:

set -gx FZF_CTRL_R_OPTS "--tac --with-nth 3.. --bind 'alt-t:change-with-nth(1,3..|3..)'"
set -gx FZF_CTRL_R_OPTS "--layout=reverse-list --with-nth 3.. --bind 'alt-t:change-with-nth(1,3..|3..)'"
set -gx FZF_CTRL_R_OPTS "--layout=reverse --with-nth 3.. --bind 'alt-t:change-with-nth(1,3..|3..)'"

I use Debian 13 and fish 4.8.

[og900aero]

I found the solution. The way fish works is completely different (and I'm not that familiar with it yet). I have an alias like this in Bash:
alias fzf="fzf --bind 'ctrl-d:reload(find . -type d),ctrl-f:reload(eval "$FZF_DEFAULT_COMMAND")' --preview 'bat --color=always --style=numbers --line-range=:500 {}' --tac --exact --bind change:top"
I've partially converted this to work with fish:

function fzf
    command fzf \
        --bind 'ctrl-d:reload(find . -type d)' \
        --bind "ctrl-f:reload(eval $FZF_DEFAULT_COMMAND)" \
        --preview 'cat --color=always --style=numbers --line-range=:500 {}' \
        --tac --exact --bind change:top $argv
end

If I remove the --tac option from here, the display works fine. This means that the fzf function completely replaces the fzf command. I don't know if this is a bug or if this is just how fish works, but I ran into a major snag.

[bitraid]

The difference between fish and bash, is that a bash script doesn't use any defined aliases when calling commands, whereas fish scripts do call any defined function having the same name (the fish way of alias). Maybe we should have the fish script explicitly call the command to avoid this type of issues, but either way, I would suggest to not use an alias for either shell, and instead set global options through $FZF_DEFAULT_OPTS.

[og900aero]

Thx, I got it! Thx for your help.