get user home

conf/wide.go

@@ -161,14 +161,22 @@ func initWide(confPath, confIP, confPort, confServer, confLogLevel, confStaticSe
 	logger.Debugf("${pwd} [%s]", Wide.WD)
 
 	// User Home
+	userHome := ""
 	user, err := user.Current()
-	if nil != err {
-		logger.Error("Can't get user's home, please report this issue to developer")
+	if nil == err {
+		userHome = user.HomeDir
+	} else {
+		// cross compile support for darwin
+		home, er := util.OS.Home()
+		if nil != er {
+			logger.Error("Can't get user's home, please report this issue to developer", err, er)
 
 			os.Exit(-1)
 		}
 
-	userHome := user.HomeDir
+		userHome = home
+	}
+
 	logger.Debugf("${user.home} [%s]", userHome)
 
 	// Playground Directory

util/go_test.go

@@ -25,6 +25,7 @@ func TestGetAPIPath(t *testing.T) {
 	apiPath := Go.GetAPIPath()
 
 	v := runtime.Version()[2:]
+	v = v[:3]
 
 	verNum, err := strconv.ParseFloat(v, 64)
 

util/os.go

@@ -15,10 +15,13 @@
 package util
 
 import (
+	"bytes"
+	"errors"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"runtime"
+	"strings"
 )
 
 type myos struct{}
@@ -38,3 +41,52 @@ func (*myos) Pwd() string {
 
 	return filepath.Dir(pwd)
 }
+
+// Home returns the home directory for the executing user.
+//
+// This uses an OS-specific method for discovering the home directory.
+// An error is returned if a home directory cannot be detected.
+func (*myos) Home() (string, error) {
+	if OS.IsWindows() {
+		return homeWindows()
+	}
+
+	// Unix-like system, so just assume Unix
+	return homeUnix()
+}
+
+func homeUnix() (string, error) {
+	// First prefer the HOME environmental variable
+	if home := os.Getenv("HOME"); home != "" {
+		return home, nil
+	}
+
+	// If that fails, try the shell
+	var stdout bytes.Buffer
+	cmd := exec.Command("sh", "-c", "eval echo ~$USER")
+	cmd.Stdout = &stdout
+	if err := cmd.Run(); err != nil {
+		return "", err
+	}
+
+	result := strings.TrimSpace(stdout.String())
+	if result == "" {
+		return "", errors.New("blank output when reading home directory")
+	}
+
+	return result, nil
+}
+
+func homeWindows() (string, error) {
+	drive := os.Getenv("HOMEDRIVE")
+	path := os.Getenv("HOMEPATH")
+	home := drive + path
+	if drive == "" || path == "" {
+		home = os.Getenv("USERPROFILE")
+	}
+	if home == "" {
+		return "", errors.New("HOMEDRIVE, HOMEPATH, and USERPROFILE are blank")
+	}
+
+	return home, nil
+}

util/os_test.go

@@ -36,3 +36,14 @@ func TestPwd(t *testing.T) {
 		return
 	}
 }
+
+func TestHome(t *testing.T) {
+	home, err := OS.Home()
+	if nil != err {
+		t.Error("Can not get user home")
+		
+		return
+	}
+	
+	t.Log(home)
+}