From e189ac4fc2559c26410c5a4c4de16bfa9a03b5d3 Mon Sep 17 00:00:00 2001
From: Ta-Ching Chen <contact@tachingchen.com>
Date: Wed, 5 Jun 2019 12:56:30 +0800
Subject: [PATCH] Fallback to get user home directory from env (#1203)

---
 pkg/fission-cli/util/util.go | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/pkg/fission-cli/util/util.go b/pkg/fission-cli/util/util.go
index c2a0c9cc..a293e61d 100644
--- a/pkg/fission-cli/util/util.go
+++ b/pkg/fission-cli/util/util.go
@@ -122,12 +122,18 @@ func GetKubernetesClient() (*restclient.Config, *kubernetes.Clientset) {
 
 	kubeConfigPath := os.Getenv("KUBECONFIG")
 	if len(kubeConfigPath) == 0 {
+		var homeDir string
 		usr, err := user.Current()
 		if err != nil {
-			log.Fatal(fmt.Sprintf("Could not get the current users directory: %s", err))
+			// In case that user.Current() may be unable to work under some circumstances and return errors like
+			// "user: Current not implemented on darwin/amd64" due to cross-compilation problem. (https://github.com/golang/go/issues/6376).
+			// Instead of doing fatal here, we fallback to get home directory from the environment $HOME.
+			log.Warn(fmt.Sprintf("Could not get the current user's directory (%s), fallback to get it from env $HOME", err))
+			homeDir = os.Getenv("HOME")
+		} else {
+			homeDir = usr.HomeDir
 		}
-
-		kubeConfigPath = filepath.Join(usr.HomeDir, ".kube", "config")
+		kubeConfigPath = filepath.Join(homeDir, ".kube", "config")
 
 		if _, err := os.Stat(kubeConfigPath); os.IsNotExist(err) {
 			log.Fatal("Couldn't find kubeconfig file. " +