changed method of getting homedir to help cross compilation

cmd/dbt/main.go

@@ -12,7 +12,7 @@ import (
 const DBT = "/usr/local/bin/dbt"
 
 // VERSION the version of dbt.  Must match version in metadata.json
-const VERSION = "2.1.1"
+const VERSION = "2.1.2"
 
 // there are only two options for dbt itself, 'version' and 'offline'
 var version string

metadata.json

@@ -1,5 +1,5 @@
 {
-  "version": "2.1.1",
+  "version": "2.1.2",
   "package": "github.com/nikogura/dbt",
   "description": "Dynamic Binary Toolkit - A framework for running self-updating signed binaries from a central, trusted repository.",
   "repository": "http://localhost:8081/artifactory/dbt",

pkg/dbt/dbt.go

@@ -3,12 +3,12 @@ package dbt
 import (
 	"encoding/json"
 	"fmt"
+	"github.com/mitchellh/go-homedir"
 	"github.com/pkg/errors"
 	"io/ioutil"
 	"log"
 	"net/http"
 	"os"
-	"os/user"
 	"runtime"
 	"syscall"
 )
@@ -157,21 +157,9 @@ func GenerateDbtDir(homedir string, verbose bool) (err error) {
 }
 
 // GetHomeDir get's the current user's homedir
-func GetHomeDir() (homedir string, err error) {
-	userObj, err := user.Current()
-	if err != nil {
-		err = errors.Wrapf(err, "failed to get current user")
-		return homedir, err
-	}
-
-	homedir = userObj.HomeDir
-
-	if homedir == "" {
-		err = fmt.Errorf("no homedir for user %q", userObj.Username)
-		return homedir, err
-	}
-
-	return homedir, err
+func GetHomeDir() (dir string, err error) {
+	dir, err = homedir.Dir()
+	return dir, err
 }
 
 // FetchTrustStore writes the downloaded trusted signing public keys to disk.