From f26e1d121fd57d1978ef18bb634a21574548a13e Mon Sep 17 00:00:00 2001
From: Jorge Bucaran <mail@jorgebucaran.com>
Date: Thu, 12 Nov 2020 18:37:31 +0900
Subject: [PATCH] Fix isatty edge case inside GitHub workflow

---
 fisher.fish | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fisher.fish b/fisher.fish
index 62b126d..78b6499 100644
--- a/fisher.fish
+++ b/fisher.fish
@@ -19,15 +19,15 @@ function fisher -a cmd -d "fish plugin manager"
         case ls list
             string match --entire --regex -- "$argv[2]" $_fisher_plugins
         case install update remove rm
-            isatty || read -laz stdin && set argv $argv[2..-1] $stdin
+            isatty || read -laz stdin && set -a argv $stdin
             set -l install_plugins
             set -l update_plugins
             set -l remove_plugins
-            set -l arg_plugins $argv
+            set -l arg_plugins $argv[2..-1]
             set -l old_plugins $_fisher_plugins
             set -l new_plugins
 
-            if test -z "$argv[1]"
+            if not set -q argv[2]
                 if test "$cmd" != update || test ! -e $fish_plugins
                     echo "fisher: not enough arguments for command: \"$cmd\"" >&2 && return 1
                 end
@@ -39,7 +39,7 @@ function fisher -a cmd -d "fish plugin manager"
                 contains -- "$plugin" $new_plugins || set -a new_plugins $plugin
             end
 
-            if set -q argv[1]
+            if set -q argv[2]
                 for plugin in $new_plugins
                     if contains -- "$plugin" $old_plugins
                         if test "$cmd" = install || test "$cmd" = update