remove legacy self delete process code

src/Rust/src/windows/self_delete.rs

@@ -1,57 +1,13 @@
-use anyhow::{anyhow, Result};
-use std::{
-    env,
-    ffi::{OsStr, OsString},
-    mem::size_of,
-    os::windows::ffi::OsStrExt,
-    path::Path,
-};
-use windows::{
-    core::{PCWSTR, PWSTR},
-    Win32::System::Threading::{CreateProcessW, PROCESS_CREATION_FLAGS, PROCESS_INFORMATION, STARTUPINFOW},
-};
+use anyhow::Result;
+use std::{env, os::windows::process::CommandExt, path::Path, process::Command as Process};
 
 pub fn register_intent_to_delete_self(delay_seconds: usize, current_directory: &Path) -> Result<()> {
     info!("Deleting self...");
     let my_self = env::current_exe()?.to_string_lossy().to_string();
-    let command = format!("cmd.exe /C choice /C Y /N /D Y /T {} & Del \"{}\"", delay_seconds, my_self);
-    info!("Running: {}", command);
+    let command = format!("choice /C Y /N /D Y /T {} & Del \"{}\"", delay_seconds, my_self);
+    info!("Running: cmd.exe /C {}", command);
+
     const CREATE_NO_WINDOW: u32 = 0x08000000;
-    new_process(&OsString::from(command), false, Some(current_directory), CREATE_NO_WINDOW)?;
+    Process::new("cmd.exe").arg("/C").raw_arg(command).current_dir(current_directory).creation_flags(CREATE_NO_WINDOW).spawn()?;
     Ok(())
 }
-
-fn new_process(command: &OsStr, inherit_handles: bool, current_directory: Option<&Path>, process_creation_flags: u32) -> Result<PROCESS_INFORMATION> {
-    let mut startup_info = STARTUPINFOW::default();
-    let mut process_info = PROCESS_INFORMATION::default();
-
-    startup_info.cb = size_of::<STARTUPINFOW>() as u32;
-
-    let process_creation_flags = PROCESS_CREATION_FLAGS(process_creation_flags);
-
-    let current_directory_ptr =
-        current_directory.map(|path| path.as_os_str().encode_wide().collect::<Vec<_>>()).map(|wide_path| wide_path.as_ptr()).unwrap_or(std::ptr::null_mut());
-
-    let mut command = command.encode_wide().collect::<Vec<_>>();
-
-    let res = unsafe {
-        CreateProcessW(
-            PCWSTR::null(),
-            PWSTR(command.as_mut_ptr()),
-            None,
-            None,
-            inherit_handles,
-            process_creation_flags,
-            None,
-            PCWSTR(current_directory_ptr),
-            &startup_info,
-            &mut process_info,
-        )
-    };
-
-    if res.is_ok() {
-        Ok(process_info)
-    } else {
-        Err(anyhow!("Failed to create process."))
-    }
-}