From 2689ef78aa25233da04e9e4f4dd35600fbfd7e4c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Fri, 5 Apr 2019 18:58:03 +0200
Subject: [PATCH] Use syscalls in sys/unix to tweak ulimit

See #5784
---
 commands/limit_darwin.go | 18 +++++++++---------
 go.mod                   |  2 +-
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/commands/limit_darwin.go b/commands/limit_darwin.go
index 7dce75b3e42..52fcf34b971 100644
--- a/commands/limit_darwin.go
+++ b/commands/limit_darwin.go
@@ -14,7 +14,7 @@
 package commands
 
 import (
-	"syscall"
+	"golang.org/x/sys/unix"
 
 	"github.com/spf13/cobra"
 	jww "github.com/spf13/jwalterweatherman"
@@ -33,8 +33,8 @@ func newLimitCmd() *limitCmd {
 		Long: `Hugo will inspect the current ulimit settings on the system.
 This is primarily to ensure that Hugo can watch enough files on some OSs`,
 		RunE: func(cmd *cobra.Command, args []string) error {
-			var rLimit syscall.Rlimit
-			err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
+			var rLimit unix.Rlimit
+			err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rLimit)
 			if err != nil {
 				return newSystemError("Error Getting Rlimit ", err)
 			}
@@ -44,11 +44,11 @@ This is primarily to ensure that Hugo can watch enough files on some OSs`,
 			jww.FEEDBACK.Println("Attempting to increase limit")
 			rLimit.Max = 999999
 			rLimit.Cur = 999999
-			err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
+			err = unix.Setrlimit(unix.RLIMIT_NOFILE, &rLimit)
 			if err != nil {
 				return newSystemError("Error Setting rLimit ", err)
 			}
-			err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
+			err = unix.Getrlimit(unix.RLIMIT_NOFILE, &rLimit)
 			if err != nil {
 				return newSystemError("Error Getting rLimit ", err)
 			}
@@ -62,15 +62,15 @@ This is primarily to ensure that Hugo can watch enough files on some OSs`,
 }
 
 func tweakLimit() {
-	var rLimit syscall.Rlimit
-	err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
+	var rLimit unix.Rlimit
+	err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rLimit)
 	if err != nil {
 		jww.ERROR.Println("Unable to obtain rLimit", err)
 	}
-	if rLimit.Cur < rLimit.Max {
+	if true || rLimit.Cur < rLimit.Max {
 		rLimit.Max = 64000
 		rLimit.Cur = 64000
-		err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
+		err = unix.Setrlimit(unix.RLIMIT_NOFILE, &rLimit)
 		if err != nil {
 			jww.WARN.Println("Unable to increase number of open files limit", err)
 		}
diff --git a/go.mod b/go.mod
index 94ac9f68847..81bb49c4634 100644
--- a/go.mod
+++ b/go.mod
@@ -52,7 +52,7 @@ require (
 	golang.org/x/image v0.0.0-20190321063152-3fc05d484e9f
 	golang.org/x/net v0.0.0-20180906233101-161cd47e91fd // indirect
 	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f
-	golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc // indirect
+	golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc
 	golang.org/x/text v0.3.0
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/yaml.v2 v2.2.2