From 738b966ed1f511d4ec9c9a9a2b3f7a8e204e6952 Mon Sep 17 00:00:00 2001
From: Lomanic <lomanic@hotmail.fr>
Date: Sat, 29 Dec 2018 13:38:21 +0100
Subject: [PATCH] [host][darwin] Use unix.Sysctl to get kernel version and
 platform name

---
 host/host_darwin.go | 23 ++++++-----------------
 1 file changed, 6 insertions(+), 17 deletions(-)

diff --git a/host/host_darwin.go b/host/host_darwin.go
index 8241fc0..5cf22b7 100644
--- a/host/host_darwin.go
+++ b/host/host_darwin.go
@@ -18,6 +18,7 @@ import (
 
 	"github.com/shirou/gopsutil/internal/common"
 	"github.com/shirou/gopsutil/process"
+	"golang.org/x/sys/unix"
 )
 
 // from utmpx.h
@@ -180,17 +181,13 @@ func PlatformInformationWithContext(ctx context.Context) (string, string, string
 	if err != nil {
 		return "", "", "", err
 	}
-	uname, err := exec.LookPath("uname")
-	if err != nil {
-		return "", "", "", err
-	}
 
-	out, err := invoke.CommandWithContext(ctx, uname, "-s")
+	p, err := unix.Sysctl("kern.ostype")
 	if err == nil {
-		platform = strings.ToLower(strings.TrimSpace(string(out)))
+		platform = strings.ToLower(p)
 	}
 
-	out, err = invoke.CommandWithContext(ctx, sw_vers, "-productVersion")
+	out, err := invoke.CommandWithContext(ctx, sw_vers, "-productVersion")
 	if err == nil {
 		pver = strings.ToLower(strings.TrimSpace(string(out)))
 	}
@@ -211,16 +208,8 @@ func KernelVersion() (string, error) {
 }
 
 func KernelVersionWithContext(ctx context.Context) (string, error) {
-	uname, err := exec.LookPath("uname")
-	if err != nil {
-		return "", err
-	}
-	out, err := invoke.CommandWithContext(ctx, uname, "-r")
-	if err != nil {
-		return "", err
-	}
-	version := strings.ToLower(strings.TrimSpace(string(out)))
-	return version, err
+	version, err := unix.Sysctl("kern.osrelease")
+	return strings.ToLower(version), err
 }
 
 func SensorsTemperatures() ([]TemperatureStat, error) {