Updates some error messaging and fixes installed so that global listing still works

main.go

@@ -45,7 +45,7 @@ func main() {
 		checkGlobalEnv()
 		global = true
 		modules = arg[3:]
-		globalTxt = operators.GlobalPath
+		globalTxt = globalText
 	}
 
 	switch arg[1] {
@@ -65,6 +65,10 @@ func main() {
 			os.Exit(1)
 		}
 	case "installed":
+		if len(arg) > 2 && (arg[2] == "-g" || arg[2] == "--global") {
+			global = true
+			globalTxt = globalText
+		}
 		err := operators.ShowInstalled(global, globalTxt)
 		if err != nil {
 			fmt.Println(err)
@@ -82,8 +86,7 @@ func main() {
 			fmt.Printf("installing %s%s\n", mod, globalTxt)
 			err := operators.Install(mod, global)
 			if err != nil {
-				fmt.Println(err)
-				fmt.Println()
+				fmt.Printf("  \033[2m└\033[0m \033[31mERROR:\033[0m %s\n\n", err.Error())
 				continue
 			}
 			installs = append(installs, mod)
@@ -97,7 +100,6 @@ func main() {
 			err := operators.Remove(mod, global)
 			if err != nil {
 				fmt.Println(err)
-				fmt.Println()
 				continue
 			}
 			removes = append(removes, mod)
@@ -111,7 +113,6 @@ func main() {
 			err := operators.Update(mod, global)
 			if err != nil {
 				fmt.Println(err)
-				fmt.Println()
 				continue
 			}
 			updates = append(updates, mod)

operators/install.go

@@ -91,6 +91,9 @@ func Install(pkg string, global bool) error {
 	cmd := exec.Command("sh", "-c", fmt.Sprintf("mv %s %s", filepath.Join(stagingDir, "*"), modDir))
 	err = cmd.Run()
 	if err != nil {
+		if global {
+			return fmt.Errorf("Unable to write modules to final location. Do you have access?")
+		}
 		return err
 	}
 	return nil