zsh的ssh自动完成速度慢 [英] zsh autocomplete slow for ssh

问题描述

我最近将Macbook升级到了OSX Catalina.自从升级以来，我的ssh的zsh自动完成(制表符完成)确实很慢(以前，它相当快，例如，自动完成将在几秒钟内发生).我认为相关的一些细节:

I upgraded my macbook to OSX Catalina recently. Ever since that upgrade my zsh autocomplete (tab completion) for ssh is really slow (previously, it was reasonably fast, e.g. autocomplete would happen in a few seconds). Some details that I think are relevant:

1. 我有一个〜/.ssh/config 文件，其中配置了〜2000个主机
2. 当我键入 ssh x< TAB> 时似乎挂起，键入ctrl-C表示 22s后_ssh_hosts中的信号被杀死，所以看来我的 _ssh_hosts 脚本是问题

1. I have a ~/.ssh/config file with ~2000 hosts configured
2. When I type ssh x <TAB> things seem to hang, typing ctrl-C says Killed by signal in _ssh_hosts after 22s so it seems that my _ssh_hosts script is the problem

有关如何调试此方法的任何提示?还是我可以使用的 _ssh_hosts 替代功能?

Any tips on how to debug this? Or alternate _ssh_hosts function I could use?

推荐答案

由于

I've put together a solution that works for me using zstyle thanks to this email thread

我的解决方案是使我的〜/.zshrc 包含以下内容

My solution was to make my ~/.zshrc contain the following

function refresh_ssh_autocomplete () {
    host_list=($(cat ~/.ssh/config | grep 'Host '  | awk '{s = s $2 " "} END {print s}'))
    zstyle ':completion:*:(ssh|scp|sftp):*' hosts $host_list
}
refresh_ssh_autocomplete

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