Name results and rename vars for gocritic

Signed-off-by: Anders F Björklund <[email protected]>

pkg/hostagent/sudo.go

@@ -16,7 +16,7 @@ import (
 // Returns stdout and stderr.
 //
 // scriptName is used only for readability of error strings.
-func sudoExecuteScript(host string, port int, c *ssh.SSHConfig, script, scriptName string) (string, string, error) {
+func sudoExecuteScript(host string, port int, c *ssh.SSHConfig, script, scriptName string) (stdout, stderr string, err error) {
 	if c == nil {
 		return "", "", errors.New("got nil SSHConfig")
 	}
@@ -32,12 +32,12 @@ func sudoExecuteScript(host string, port int, c *ssh.SSHConfig, script, scriptNa
 	sshArgs = append(sshArgs, host, "--", "sudo", interpreter)
 	sshCmd := exec.Command(sshBinary, sshArgs...)
 	sshCmd.Stdin = strings.NewReader(script)
-	var stderr bytes.Buffer
-	sshCmd.Stderr = &stderr
+	var buf bytes.Buffer
+	sshCmd.Stderr = &buf
 	logrus.Debugf("executing ssh for script %q: %s %v", scriptName, sshCmd.Path, sshCmd.Args)
 	out, err := sshCmd.Output()
 	if err != nil {
-		return string(out), stderr.String(), fmt.Errorf("failed to execute script %q: stdout=%q, stderr=%q: %w", scriptName, string(out), stderr.String(), err)
+		return string(out), buf.String(), fmt.Errorf("failed to execute script %q: stdout=%q, stderr=%q: %w", scriptName, string(out), buf.String(), err)
 	}
-	return string(out), stderr.String(), nil
+	return string(out), buf.String(), nil
 }