Fzf: Significant delay when opening the selected file from fzf panel in bash

[liuchengxu]

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  • [x] bash
  
  
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When I want to open a file using :FZF ~, given the file selected and enter key pressed, it will cost more than ten seconds to open the selected one. What's more, the delay also comes with <Ctrl-c> to close fzf in vim.

The problem only occurs in bash. In zsh, everything goes well. Any tips to figure it out? Thanks.

[junegunn]

Do you use rg as your FZF_DEFAULT_COMMAND? I experienced similar issues when using rg --files as my default command. And that's why I'm still suggesting ag on the readme page when rg has a better implementation of gitignore filtering.

time rg --files | head -1

time ag -g "" | head -1

Related: https://github.com/BurntSushi/ripgrep/issues/200

[liuchengxu]

Yes, I do use rg as my FZF_DEFAULT_COMMAND and have solved it based on your suggestion. Big thanks to your quick response!

[junegunn]

They seem to have fixed the issue for *nix systems, but an official release with the fix has not been released yet. I'll check if they have any plans for a new version.

[dpnova]

I'm seeing this problem or something similar in vim. Except sometimes it never closes... should I open a new issue?

[junegunn]

I'm pretty sure that it's not an issue of fzf or fzf.vim. Does :!which rg point to the right binary?

Anyway, rg still shows some delay in some cases and I now use fd instead which is better suited for this use case.

https://github.com/junegunn/fzf/commit/a6d2ab33609ad20ce107e66d9648d908800fa3ad

jg@jg-mbp:~> time rg --files | head -1
out

real    0m1.601s
user    0m1.298s
sys     0m3.737s
jg@jg-mbp:~> time fd --type f | head -1
out

real    0m0.116s
user    0m0.174s
sys     0m0.162s

[dpnova]

I'm actually getting the same behaviour with fd in neovim.

I'm using:

» env | grep FZF
FZF_DEFAULT_COMMAND=fd --type f

It wasn't an issue before I formatted this machine... not sure what versions of things I was running before though. The only major thing I can think of is now I'm using the neovim appimage instead of their ubuntu repos as I was before.

[dpnova]

I should note the delay is only on the first invocation, if it ever finishes the next one is lightning fast.

[junegunn]

@dpnova See if you can still reproduce the problem with the minimal configuration as suggested here.

https://raw.githubusercontent.com/junegunn/fzf.vim/master/.github/ISSUE_TEMPLATE.md

[dpnova]

This screenshot is the same behaviour happening with the minimal command (using :FZF)

This is ubuntu 17.10 with nvim appimage.

Let me know if there's something else I can try! Thanks heaps.

[dpnova]

I've noticed that sometimes the panel goes away if I select anotoher window/term and then go back to this one... could it be related to waiting for something? I've recently moved back to gnome terminal/tilix from urxvt .. could it be related?

[junegunn]

No idea, do you have the same issue on regular Vim?

[dpnova]

My simple testing with vim seems to indicate it's isolated to nvim. I could open a bug over there.. I'm not quite sure what I would report as the issue though. I'll link back here. Thanks!

[yxchng]

@liuchengxu @junegunn I am using Ag and I am facing the significant delay problem? How to solve it?