fix: make the use of sudo only work on unix systems

src/cmd.rs

@@ -26,10 +26,14 @@ where
     S: Into<String>,
     I: IntoIterator<Item = S>,
 {
-    let we_are_root = {
-        let uid = unsafe { libc::geteuid() };
-        uid == 0
-    };
+    #[cfg(unix)]
+    let use_sudo = matches!(perms, Perms::Sudo) && unsafe { libc::geteuid() } != 0;
+    #[cfg(windows)]
+    if matches!(perms, Perms::Sudo) {
+        return eyre!("sudo for privilege escalation is not supported on windows");
+    }
+    #[cfg(windows)]
+    let use_sudo = false;
 
     let args: Vec<String> = args.into_iter().map(Into::into).collect::<Vec<_>>();
 
@@ -38,7 +42,7 @@ where
     }
 
     let args = Some("sudo".to_string())
-        .filter(|_| matches!(perms, Perms::Sudo) && !we_are_root)
+        .filter(|_| use_sudo)
         .into_iter()
         .chain(args)
         .collect::<Vec<_>>();