wip! remove clutter

Author: KarlK90

src/main.rs

@@ -2,12 +2,11 @@
 // SPDX-License-Identifier: GPL-2.0-only
 
 use std::net::IpAddr;
-use std::path::Path;
 use std::{cell::RefCell, env};
 
 extern crate rsinit;
 
-use log::{error, info};
+use log::info;
 use nix::mount::MsFlags;
 use rsinit::cmdline::CmdlineOptions;
 use rsinit::mount::do_mount;
@@ -24,38 +23,16 @@ fn main() -> Result<()> {
     // handout multiple mutable references in the callbacks.
     let mount_args = RefCell::new(MountArgs::default());
 
-    // First option - pass callback object
     let callbacks = InitContextCallbacks {
-        cmdline_cb: vec![],
-        post_setup_cb: vec![],
-        post_root_mount_cb: vec![Box::new(|_| {
-            info!("I'm lucky, I was the first callback to be added!");
-            info!(
-                "Let me show you the mounts collected so far: {:?}",
-                mount_args.borrow()
-            );
-            Ok(())
+        cmdline_cb: vec![Box::new(|key, value| {
+            mount_args.borrow_mut().parse_cmdline(key, value)
         })],
+        post_setup_cb: vec![],
+        post_root_mount_cb: vec![Box::new(|ctx| mount_args.borrow().do_mounts(ctx))],
     };
 
     let mut ctx = InitContext::new(Some(callbacks))?;
 
-    // Second option - set callbacks via setter methods
-    ctx.add_post_setup_cb(Box::new(|options| {
-        info!(
-            "Beep, beep! Post setup callback running... I'll just print the options: {options:#?}"
-        );
-        Ok(())
-    }));
-
-    ctx.add_cmdline_cb(Box::new(|key, value| {
-        mount_args.borrow_mut().parse_cmdline(key, value)
-    }));
-
-    ctx.add_post_root_mount_cb(Box::new(|ctx| mount_args.borrow().do_mounts(ctx)));
-
-    setup_custom_stuff(&mut ctx);
-
     let cmd = env::args().next().ok_or("No cmd to run as found")?;
     println!("Running {cmd}...");
 
@@ -70,16 +47,6 @@ fn main() -> Result<()> {
     Ok(())
 }
 
-fn setup_custom_stuff(init: &mut InitContext) {
-    init.add_cmdline_cb(Box::new(|key, value| {
-        if key == "custom.option" {
-            let val = ensure_value(key, value)?;
-            info!("Custom option provided: {val}");
-        }
-        Ok(())
-    }));
-}
-
 #[derive(Debug, PartialEq)]
 
 struct MountOption {