building args cmd works, need content

cmd_build.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"log"
+	"os"
 	"os/exec"
 )
 
@@ -15,9 +16,13 @@ var buildCmd = &Command{
 }
 
 func buildRun(cmd *Command, args ...string) {
-	out, err := exec.Command("go", "build", "-ldflags", fmt.Sprintf("\"-X main.Build.Date %s main.Build.GitHash %s main.Build.Num %d\"", "2014-12-08", "a1b2c3d4", 107)).Output()
+	mycmd := exec.Command("go", "build", "-ldflags", fmt.Sprintf("-X main.Build.Date %s -X main.Build.GitHash %s -X main.Build.Num %d\"", "2014-12-08", "a1b2c3d4", 107))
+	fmt.Println(mycmd.Args)
+	fmt.Println(mycmd.Env)
+	mycmd.Stderr = os.Stderr
+	mycmd.Stdout = os.Stdout
+	err := mycmd.Run()
 	if err != nil {
 		log.Fatal(err)
 	}
-	fmt.Printf("%s\n", out)
 }