creates sh in empty environment

src/main.rs

@@ -16,7 +16,6 @@ use vte::{Params, Parser, Perform};
 use zeno::{Mask, Transform};
 
 // params
-const SHELL: &str = "/home/andromeda/.nix-profile/bin/sh";
 const FONT: &str = "/home/andromeda/.nix-profile/share/fonts/truetype/Miracode.ttf";
 
 struct Buffer<T: std::clone::Clone> {
@@ -186,7 +185,7 @@ fn main() {
     .unwrap();
     window.set_target_fps(60);
 
-    let pty = spawn_pty(&SHELL).unwrap();
+    let pty = spawn_pty().unwrap();
     fcntl(
         &pty,
         F_SETFL(OFlag::from_bits_truncate(fcntl(&pty, F_GETFL).unwrap()) | OFlag::O_NONBLOCK),
@@ -257,7 +256,7 @@ fn main() {
 }
 
 // forks a new pty and returns file descriptor of the master
-fn spawn_pty(shell: &str) -> Option<PtyMaster> {
+fn spawn_pty() -> Option<PtyMaster> {
     // SAFETY safe unless os out of PTYs; incredibly unlikely
     match unsafe { forkpty(None, None) } {
         Ok(fork_pty_res) => match fork_pty_res {
@@ -266,7 +265,14 @@ fn spawn_pty(shell: &str) -> Option<PtyMaster> {
                 return Some(unsafe { PtyMaster::from_owned_fd(master) });
             }
             ForkptyResult::Child => {
-                let _ = execv::<CString>(&CString::new(shell).unwrap(), &[]);
+                let _ = execv::<CString>(
+                    &CString::new("/usr/bin/env").unwrap(),
+                    &[  CString::new("/usr/bin/env").unwrap(),
+                        CString::new("-i").unwrap(),
+                        CString::new("sh").unwrap(),
+                        CString::new("--norc").unwrap(),
+                        CString::new("--noprofile").unwrap() ],
+                    );
                 return None;
             }
         },