Added option to automatically save files with sucmd

cmd/micro/actions.go

@@ -994,7 +994,12 @@ func (v *View) saveToFile(filename string) {
 	err := v.Buf.SaveAs(filename)
 	if err != nil {
 		if strings.HasSuffix(err.Error(), "permission denied") {
-			choice, _ := messenger.YesNoPrompt("Permission denied. Do you want to save this file using sudo? (y,n)")
+			var choice bool
+			if globalSettings["autosu"].(bool) {
+				choice = true
+			} else {
+				choice, _ = messenger.YesNoPrompt("Permission denied. Do you want to save this file using sudo? (y,n)")
+			}
 			if choice {
 				err = v.Buf.SaveAsWithSudo(filename)
 				if err != nil {

cmd/micro/settings.go

@@ -236,6 +236,7 @@ func DefaultGlobalSettings() map[string]interface{} {
 		"splitright":     true,
 		"statusline":     true,
 		"sucmd":          "sudo",
+		"autosu":         false,
 		"syntax":         true,
 		"tabmovement":    false,
 		"tabsize":        float64(4),

runtime/help/options.md

@@ -210,6 +210,10 @@ Here are the options that you can set:
 
 	default value: `sudo`
 
+* `autosu`: defines whether super user saving should be used automatically.
+
+	default value: `false`
+
 * `tabmovement`: navigate spaces at the beginning of lines as if they are tabs
    (e.g. move over 4 spaces at once). This option only does anything if
    `tabstospaces` is on.