Change io crate & add a small shell

user/agetty/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "agetty"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

user/agetty/src/main.rs

@@ -0,0 +1,29 @@
+#![allow(unused)]
+#![feature(survos_std)]
+
+use core::sync::atomic::AtomicUsize;
+use std::fs::File;
+use std::io::{Read, Stdin, Write, stdin, stdout};
+use std::os::fd::FromRawFd;
+
+fn main() {
+    // Close descriptor 0
+    let f = unsafe { File::from_raw_fd(0) };
+    drop(f);
+
+    // Close descriptor 1
+    let f = unsafe { File::from_raw_fd(1) };
+    drop(f);
+
+    // Open new input and output
+    let mut input = File::open("/dev/tty0");
+    let mut tty = File::open("/dev/tty0");
+
+    std::process::Command::new("/usr/bin/shell")
+        .spawn()
+        .unwrap();
+
+    loop {
+        std::thread::yield_now();
+    }
+}

user/fastfetch/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "fastfetch"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+owo-colors = "4.3.0"

user/fastfetch/src/main.rs

@@ -0,0 +1,21 @@
+// #![feature(survos_std)]
+
+use owo_colors::OwoColorize;
+
+fn main() {
+    println!(
+        "{}",
+        r"     ___         ___         ___                    ___         ___     
+    /  /\       /__/\       /  /\        ___       /  /\       /  /\    
+   /  /:/_      \  \:\     /  /::\      /__/\     /  /::\     /  /:/_   
+  /  /:/ /\      \  \:\   /  /:/\:\     \  \:\   /  /:/\:\   /  /:/ /\  
+ /  /:/ /::\ ___  \  \:\ /  /:/~/:/      \  \:\ /  /:/  \:\ /  /:/ /::\ 
+/__/:/ /:/\:/__/\  \__\:/__/:/ /:/______  \__\:/__/:/ \__\:/__/:/ /:/\:\
+\  \:\/:/~/:\  \:\ /  /:\  \:\/:::::/__/\ |  |:\  \:\ /  /:\  \:\/:/~/:/
+ \  \::/ /:/ \  \:\  /:/ \  \::/~~~~\  \:\|  |:|\  \:\  /:/ \  \::/ /:/ 
+  \__\/ /:/   \  \:\/:/   \  \:\     \  \:\__|:| \  \:\/:/   \__\/ /:/  
+    /__/:/     \  \::/     \  \:\     \__\::::/   \  \::/      /__/:/   
+    \__\/       \__\/       \__\/         ~~~~     \__\/       \__\/    "
+            .cyan()
+    );
+}

user/shell/Cargo.toml

@@ -4,5 +4,4 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-# shared = { path = "../../crates/shared", features = ["user"] }
-# core = { path = "../../crates/std/crates/core" }
+winnow = "1.0.0"

user/shell/src/main.rs

@@ -1,11 +1,57 @@
-// use std::io::_print;
+// #![feature(survos_std)]
+
+use std::io::{Read, Write, stdin, stdout};
 
 fn main() {
     let a = std::env::args();
     for a in a {
         println!("Argument: {}", a);
     }
-    println!(
-        "Hello from PIC program loaded dynamically with custom std and a better justfile, and syscalls ! "
-    );
+    std::process::Command::new("fastfetch")
+        .spawn()
+        .unwrap()
+        .wait()
+        .unwrap();
+
+    let mut current_command = String::new();
+
+    fn new_line() {
+        print!("> ");
+        stdout().flush().unwrap();
+    }
+
+    new_line();
+
+    loop {
+        let mut test = [0; 4];
+        let len = stdin().read(&mut test).unwrap();
+        let input = str::from_utf8(&test[..len as usize]).unwrap();
+
+        for c in input.chars() {
+            if c == '\n' {
+                println!();
+                let mut args = current_command.split(" ");
+                std::process::Command::new(args.next().unwrap())
+                    .args(args)
+                    .spawn()
+                    .unwrap()
+                    .wait()
+                    .unwrap();
+                current_command.clear();
+                new_line();
+            } else {
+                if if c == '\x08' {
+                    current_command.pop().is_some()
+                } else {
+                    current_command.push_str(input);
+                    true
+                } {
+                    print!("{}", input);
+                }
+            }
+        }
+        stdout().flush().unwrap();
+    }
 }
+
+// fn parse_command(input: &mut &str) {}

user/test_pic/Cargo.toml

@@ -1,10 +0,0 @@
-[package]
-name = "test_pic"
-version = "0.1.0"
-edition = "2024"
-
-[dependencies]
-# std = { path = "../../crates/std" }
-shared = { path = "../../crates/shared", features = ["user"] }
-io = { path = "../../crates/io" }
-bffs = { path = "../../crates/bffs" }

user/test_pic/src/main.rs

@@ -1,23 +0,0 @@
-#![allow(unused)]
-
-use core::sync::atomic::AtomicUsize;
-use shared::{fs::File, syscall};
-use std::io::{Read, Stdin, Write, stdin, stdout};
-
-fn main() {
-    syscall::close(0);
-    let mut tty = unsafe { File::from_raw_fd(syscall::open("/dev/tty0")) };
-    syscall::close(1);
-    let _ = syscall::open("/dev/tty0");
-    println!("test from test_pic");
-    syscall::spawn("/usr/bin/shell");
-    // panic!("explicit panic");
-    // std::process::abort();
-    // unsafe {core::arch::asm!("unimp")};
-    loop {
-        let mut test = [0; 4];
-        let len = stdin().read(&mut test).unwrap();
-        print!("{}", str::from_utf8(&test[..len as usize]).unwrap());
-        stdout().flush();
-    }
-}