From d482442ee1e2525a82b8e80e49f20a59b42ed2a0 Mon Sep 17 00:00:00 2001
From: Trevor Wennblom <trevor@well.com>
Date: Thu, 16 May 2013 13:10:55 -0500
Subject: [PATCH] support conditionals for `zsh -n`

---
 lib/completion.zsh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/completion.zsh b/lib/completion.zsh
index e0cdcf626..fa3f2dd03 100644
--- a/lib/completion.zsh
+++ b/lib/completion.zsh
@@ -32,10 +32,10 @@ zstyle ':completion:*:cd:*' tag-order local-directories directory-stack path-dir
 cdpath=(.)
 
 # use /etc/hosts and known_hosts for hostname completion
-[ -r /etc/ssh/ssh_known_hosts ] && _global_ssh_hosts=(${${${${(f)"$(</etc/ssh/ssh_known_hosts)"}:#[\|]*}%%\ *}%%,*}) || _global_ssh_hosts=()
-[ -r ~/.ssh/known_hosts ] && _ssh_hosts=(${${${${(f)"$(<$HOME/.ssh/known_hosts)"}:#[\|]*}%%\ *}%%,*}) || _ssh_hosts=()
-[ -r ~/.ssh/config ] && _ssh_config=($(cat ~/.ssh/config | sed -ne 's/Host[=\t ]//p')) || _ssh_config=()
-[ -r /etc/hosts ] && : ${(A)_etc_hosts:=${(s: :)${(ps:\t:)${${(f)~~"$(</etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}}} || _etc_hosts=()
+[[ -r /etc/ssh/ssh_known_hosts ]] && _global_ssh_hosts=(${${${${(f)"$(</etc/ssh/ssh_known_hosts)"}:#[\|]*}%%\ *}%%,*}) || _global_ssh_hosts=()
+[[ -r ~/.ssh/known_hosts ]] && _ssh_hosts=(${${${${(f)"$(<$HOME/.ssh/known_hosts)"}:#[\|]*}%%\ *}%%,*}) || _ssh_hosts=()
+[[ -r ~/.ssh/config ]] && _ssh_config=($(cat ~/.ssh/config | sed -ne 's/Host[=\t ]//p')) || _ssh_config=()
+[[ -r /etc/hosts ]] && : ${(A)_etc_hosts:=${(s: :)${(ps:\t:)${${(f)~~"$(</etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}}} || _etc_hosts=()
 hosts=(
   "$_ssh_config[@]"
   "$_global_ssh_hosts[@]"