don't save options automaticly, add new command to save options

crates/irust/README.md

@@ -64,6 +64,8 @@ You can try out IRust with no installation or setup (via Gitpod.io) by visiting
 
 **:exit** | **:quit** => Exit IRust immediately
 
+**:save_options** => save the options to disk (useful when options where changed at runtime)
+
 **$$** => Shell commands can be interpolated with rust code with '$$', for example: `let a = $$ls -l$$;`, this feature can be [en/dis]abled via the config file
 
 **::** => run a shell command, example `::ls`

crates/irust/src/irust/engine.rs

@@ -28,8 +28,6 @@ pub struct Engine {
     macros: HashMap<char, Vec<Command>>,
     buffers: Vec<Buffer>,
     buffers_idx: usize,
-    // defaults to false
-    pub dont_save_options: bool,
 }
 
 impl IRust {
@@ -680,9 +678,6 @@ impl IRust {
                 // Give scripts a chance to clean-up
                 self.run_scripts_shutdown_cmds()?;
                 self.history.save()?;
-                if !self.engine.dont_save_options {
-                    self.options.save()?;
-                }
                 self.printer.write_newline(&self.buffer);
                 self.printer.cursor.show();
                 Ok(())

crates/irust/src/irust/options.rs

@@ -182,9 +182,6 @@ impl IRust {
             || (shell_cmd && self.options.add_shell_cmd_to_history)
             || (!irust_cmd && !shell_cmd)
     }
-    pub fn dont_save_options(&mut self) {
-        self.engine.dont_save_options = true;
-    }
 }
 
 #[allow(clippy::upper_case_acronyms)]

crates/irust/src/irust/parser.rs

@@ -52,6 +52,7 @@ impl IRust {
             ":irust" => self.irust(),
             ":sync" => self.sync(),
             ":exit" | ":quit" => self.exit(),
+            ":save_options" => self.save_options(),
             cmd if cmd.starts_with(":help") => self.help(buffer),
             cmd if cmd.starts_with("::") => self.run_cmd(buffer),
             cmd if cmd.starts_with(":edit") => self.extern_edit(buffer),
@@ -1041,6 +1042,11 @@ impl IRust {
         self.exit_flag = true;
         Ok(PrintQueue::default())
     }
+
+    fn save_options(&mut self) -> Result<PrintQueue> {
+        self.options.save()?;
+        success!()
+    }
 }
 
 // These patterns are used to detect statements that don't require to be terminated with ';'

crates/irust/src/irust/ra.rs

@@ -23,7 +23,7 @@ pub struct Completer {
     // suggestions: (Name, definition)
     suggestions: Vec<(String, String)>,
     suggestion_idx: usize,
-    cmds: [String; 30],
+    cmds: [String; 31],
     update_lock: bool,
     pub active_suggestion: Option<String>,
 }
@@ -53,6 +53,7 @@ impl Completer {
             "toolchain".to_string(),
             "theme".to_string(),
             "main_result".to_string(),
+            "save_options".to_string(),
             "check_statements".to_string(),
             "time_release".to_string(),
             "time".to_string(),

crates/irust/src/main.rs

@@ -77,9 +77,7 @@ fn main() {
 
     // Create main IRust interface
     let mut irust = if matches!(args_result, ArgsResult::ProceedWithDefaultConfig) {
-        let mut irust = IRust::new(Options::default());
-        irust.dont_save_options();
-        irust
+        IRust::new(Options::default())
     } else {
         // Check optional dependencies and warn if they're not present
         if !cfg!(feature = "no-welcome-screen") {