Remove unnecessary output return value

Author: LeoOnTheEarth

ansible/ansible.go

@@ -40,11 +40,11 @@ func (ansible *Ansible) Install(osName, sudoPassword string) (err error) {
 			}
 
 			printer.Printf("\n<comment>$ %s</comment>\n", processes[0].String())
-			if _, err = processes[0].Run(); err != nil {
+			if err = processes[0].Run(); err != nil {
 				var exitError *exec.ExitError
 				if errors.As(err, &exitError) && exitError.ExitCode() == 100 {
 					printer.Printf("\n<comment>$ %s</comment>\n", processes[1].String())
-					if _, err = processes[1].Run(); err != nil {
+					if err = processes[1].Run(); err != nil {
 						return err
 					}
 				} else {
@@ -53,12 +53,12 @@ func (ansible *Ansible) Install(osName, sudoPassword string) (err error) {
 			}
 
 			printer.Printf("\n<comment>$ %s</comment>\n", processes[2].String())
-			if _, err = processes[2].Run(); nil != err {
+			if err = processes[2].Run(); nil != err {
 				return err
 			}
 
 			printer.Printf("\n<comment>$ %s</comment>\n", processes[3].String())
-			if _, err = processes[3].Run(); nil != err {
+			if err = processes[3].Run(); nil != err {
 				return err
 			}
 		default:
@@ -88,7 +88,7 @@ func (ansible *Ansible) RunAnsiblePlaybook(playbookFilePath, variableFilePath, s
 	}
 
 	printer.Printf("\n<comment>$ %s</comment>\n", proc.String())
-	if _, err = proc.Run(); nil != err {
+	if err = proc.Run(); nil != err {
 		return err
 	}
 

process/process.go

@@ -37,17 +37,17 @@ func NewWslSudoProcess(distribution string, arguments ...string) *Process {
 	return New(arguments...).AddPreArguments("wsl", "-d", distribution, "-u", "root")
 }
 
-func (p *Process) Run() (out string, err error) {
+func (p *Process) Run() (err error) {
 	cmd := p.newCommand()
 	cmd.Stdout = os.Stdout
 	cmd.Stdin = os.Stdin
 	cmd.Stderr = os.Stderr
 
 	if err = cmd.Run(); err != nil {
-		return "", err
+		return err
 	}
 
-	return "", nil
+	return nil
 }
 
 func (p *Process) Output() (out string, err error) {

wsl/wsl.go

@@ -82,7 +82,7 @@ func createWslConfFile(distribution string) (err error) {
 		process.NewWslSudoProcess(distribution, "bash", "-c", "echo >> /etc/wsl.conf"),
 	}
 	for _, proc := range processes {
-		if _, err = proc.Run(); err != nil {
+		if err = proc.Run(); err != nil {
 			return err
 		}
 	}
@@ -128,7 +128,7 @@ func updateWslConfFile(distribution, content string) (modified bool, err error)
 			}
 
 			cmd := fmt.Sprintf("echo %q %s /etc/wsl.conf", line, strings.Repeat(">", operatorCount))
-			if _, err = process.NewWslSudoProcess(distribution, "bash", "-c", cmd).Run(); err != nil {
+			if err = process.NewWslSudoProcess(distribution, "bash", "-c", cmd).Run(); err != nil {
 				return modified, err
 			}
 		}