feat: allow setting ace editor theme (#3826)

Co-authored-by: Henrique Dias <mail@hacdias.com>

cmd/config.go

@@ -221,6 +221,7 @@ func printSettings(ser *settings.Server, set *settings.Settings, auther auth.Aut
 	fmt.Fprintf(w, "\tFile Creation Mode:\t%O\n", set.FileMode)
 	fmt.Fprintf(w, "\tDirectory Creation Mode:\t%O\n", set.DirMode)
 	fmt.Fprintf(w, "\tCommands:\t%s\n", strings.Join(set.Defaults.Commands, " "))
+	fmt.Fprintf(w, "\tAce editor syntax highlighting theme:\t%s\n", set.Defaults.AceEditorTheme)
 	fmt.Fprintf(w, "\tSorting:\n")
 	fmt.Fprintf(w, "\t\tBy:\t%s\n", set.Defaults.Sorting.By)
 	fmt.Fprintf(w, "\t\tAsc:\t%t\n", set.Defaults.Sorting.Asc)

cmd/root.go

@@ -424,9 +424,10 @@ func quickSetup(flags *pflag.FlagSet, d pythonData) error {
 		MinimumPasswordLength: settings.DefaultMinimumPasswordLength,
 		UserHomeBasePath:      settings.DefaultUsersHomeBasePath,
 		Defaults: settings.UserDefaults{
-			Scope:       ".",
-			Locale:      "en",
-			SingleClick: false,
+			Scope:          ".",
+			Locale:         "en",
+			SingleClick:    false,
+			AceEditorTheme: getStringParam(flags, "defaults.aceEditorTheme"),
 			Perm: users.Permissions{
 				Admin:    false,
 				Execute:  true,

cmd/users.go

@@ -79,6 +79,7 @@ func addUserFlags(flags *pflag.FlagSet) {
 	flags.Bool("singleClick", false, "use single clicks only")
 	flags.Bool("dateFormat", false, "use date format (true for absolute time, false for relative)")
 	flags.Bool("hideDotfiles", false, "hide dotfiles")
+	flags.String("aceEditorTheme", "", "ace editor's syntax highlighting theme for users")
 }
 
 func getViewMode(flags *pflag.FlagSet) (users.ViewMode, error) {
@@ -110,6 +111,8 @@ func getUserDefaults(flags *pflag.FlagSet, defaults *settings.UserDefaults, all
 			defaults.ViewMode, err = getViewMode(flags)
 		case "singleClick":
 			defaults.SingleClick, err = getBool(flags, flag.Name)
+		case "aceEditorTheme":
+			defaults.AceEditorTheme, err = getString(flags, flag.Name)
 		case "perm.admin":
 			defaults.Perm.Admin, err = getBool(flags, flag.Name)
 		case "perm.execute":