From baf882ace741e4d279b6a6d2da467e00f94642f5 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Sat, 7 Mar 2020 16:26:53 +0900
Subject: [PATCH] [completion] Use file redirection instead of pipe

This change allows the completion system of bash and zsh to return
before the input process completes.

Related #1887
---
 shell/completion.bash | 2 +-
 shell/completion.zsh  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/shell/completion.bash b/shell/completion.bash
index b953cc8..bd94c51 100644
--- a/shell/completion.bash
+++ b/shell/completion.bash
@@ -200,7 +200,7 @@ _fzf_complete() {
   if [[ "$cur" == *"$trigger" ]]; then
     cur=${cur:0:${#cur}-${#trigger}}
 
-    selected=$(cat | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS $1" __fzf_comprun "$2" -q "$cur" | $post | tr '\n' ' ')
+    selected=$(FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS $1" __fzf_comprun "$2" -q "$cur" | $post | tr '\n' ' ')
     selected=${selected% } # Strip trailing space not to repeat "-o nospace"
     if [ -n "$selected" ]; then
       COMPREPLY=("$selected")
diff --git a/shell/completion.zsh b/shell/completion.zsh
index d5fccad..95f6d68 100644
--- a/shell/completion.zsh
+++ b/shell/completion.zsh
@@ -116,7 +116,7 @@ _fzf_complete() {
   type $post > /dev/null 2>&1 || post=cat
 
   _fzf_feed_fifo "$fifo"
-  matches=$(cat "$fifo" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS" __fzf_comprun "$cmd" ${(Q)${(Z+n+)fzf_opts}} -q "${(Q)prefix}" | $post | tr '\n' ' ')
+  matches=$(FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS" __fzf_comprun "$cmd" ${(Q)${(Z+n+)fzf_opts}} -q "${(Q)prefix}" < "$fifo" | $post | tr '\n' ' ')
   if [ -n "$matches" ]; then
     LBUFFER="$lbuf$matches"
   fi