From 6e24462cae3e60fd925ee39db0dcb0d0fa549fcd Mon Sep 17 00:00:00 2001
From: teesh3rt <ilaylevy611@gmail.com>
Date: Tue, 25 Mar 2025 13:18:35 +0200
Subject: [PATCH] feat: add the whoami command

---
 coreutils/src/commands/mod.rs    |  1 +
 coreutils/src/commands/whoami.rs | 22 ++++++++++++++++++++++
 src/registry.rs                  |  1 +
 3 files changed, 24 insertions(+)
 create mode 100644 coreutils/src/commands/whoami.rs

diff --git a/coreutils/src/commands/mod.rs b/coreutils/src/commands/mod.rs
index fac4439..10da5b2 100644
--- a/coreutils/src/commands/mod.rs
+++ b/coreutils/src/commands/mod.rs
@@ -17,3 +17,4 @@ command!(test::Test);
 command!(yes::Yes);
 command!(pwd::Pwd);
 command!(sleep::Sleep);
+command!(whoami::WhoAmI);
diff --git a/coreutils/src/commands/whoami.rs b/coreutils/src/commands/whoami.rs
new file mode 100644
index 0000000..dd67b7a
--- /dev/null
+++ b/coreutils/src/commands/whoami.rs
@@ -0,0 +1,22 @@
+use boxutils::args::ArgParser;
+use boxutils::commands::Command;
+use std::env;
+
+pub struct WhoAmI;
+
+impl Command for WhoAmI {
+    fn execute(&self) {
+        let args = ArgParser::builder().add_flag("--help").parse_args("whoami");
+
+        if args.get_flag("--help") {
+            println!("Usage: whoami");
+            return;
+        }
+
+        let username = env::var("USER") // Unix
+            .or_else(|_| env::var("USERNAME")) // Windows
+            .unwrap_or_else(|_| "unknown".to_string());
+
+        println!("{}", username);
+    }
+}
diff --git a/src/registry.rs b/src/registry.rs
index a3ae5e4..06f2b40 100644
--- a/src/registry.rs
+++ b/src/registry.rs
@@ -27,6 +27,7 @@ pub fn get_registry() -> CommandRegistry {
         "yes" => coreutils::commands::Yes,
         "pwd" => coreutils::commands::Pwd,
         "sleep" => coreutils::commands::Sleep,
+        "whoami" => coreutils::commands::WhoAmI,
         "box" => Boxcmd
     });