From 90d52ee6693007c23f5fa8bded39fe20ff5ffd8c Mon Sep 17 00:00:00 2001
From: Kid <44045911+kidonng@users.noreply.github.com>
Date: Thu, 31 Mar 2022 00:29:59 +0800
Subject: [PATCH] Complete `/dev/fd` in `isatty` (#8840)

* Complete `/dev/fd` in `isatty`

* Check `/dev/fd` existence first
---
 share/completions/isatty.fish | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/share/completions/isatty.fish b/share/completions/isatty.fish
index 2ee644b0f..1e65bf77c 100644
--- a/share/completions/isatty.fish
+++ b/share/completions/isatty.fish
@@ -1 +1,9 @@
-complete -c isatty -x -k -a "stdin stdout stderr"
+complete -c isatty -x
+
+if test -d /dev/fd
+    complete -c isatty -k -a "(string replace /dev/fd/ '' /dev/fd/*)"
+end
+
+complete -c isatty -k -a "stderr" -d "2"
+complete -c isatty -k -a "stdout" -d "1"
+complete -c isatty -k -a "stdin" -d "0"