wasn't compiling on the mac

README.md

@@ -1,3 +1,6 @@
 Get() the full hostname for the OS.
 
 * only cares about the hostname in DNS
+* I wrote this before or not being aware of os.Hostname()
+
+probably this package should go away

get.go

@@ -1,9 +1,17 @@
 package hostname
 
+import "fmt"
+
 // returns the hostname
 // hostname is always set to the best effort
 // error is set if hostname isn't real
 func Get() (string, error) {
 	hostname, err := osGetHostname()
+	if hostname == "" {
+		if err == nil {
+			err = fmt.Errorf("your machines' hostname is not set")
+		}
+		hostname = "unconfigured.hostname"
+	}
 	return hostname, err
 }

get_darwin.go

@@ -12,12 +12,12 @@ import (
 // scutil --set HostName my-mac.example.com
 
 func osGetHostname() (string, error) {
-	return scutil([]string{"-get", "HostName"})
+	return scutil([]string{"--get", "HostName"})
 }
 
 // getDomainName executes the 'domainname' command and returns its output.
 func scutil(args []string) (string, error) {
-	cmd := exec.Command("scutil", args)
+	cmd := exec.Command("scutil", args...)
 	var out bytes.Buffer
 	cmd.Stdout = &out
 	if err := cmd.Run(); err != nil {