From eb6d634460e3805038e1664625083488b3052e5d Mon Sep 17 00:00:00 2001
From: Luther <luther.monson@gmail.com>
Date: Thu, 28 May 2020 11:48:36 -0700
Subject: [PATCH] changed prune to 3rd arg in check

---
 docker.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker.go b/docker.go
index 0443713..44f860f 100644
--- a/docker.go
+++ b/docker.go
@@ -376,7 +376,7 @@ func commandDaemon(daemon Daemon) *exec.Cmd {
 
 // helper to check if args match "docker prune"
 func isCommandPrune(args []string) bool {
-	return len(args) > 2 && args[1] == "prune"
+	return len(args) > 3 && args[2] == "prune"
 }
 
 func commandPrune() *exec.Cmd {