amethyst: wrap root check in a safe wrapper

src/internal/utils.rs

@@ -93,3 +93,8 @@ pub fn wrap_text<S: AsRef<str>>(s: S, padding: usize) -> Vec<String> {
         .map(String::from)
         .collect()
 }
+
+pub fn is_run_with_root() -> bool {
+    let uid = unsafe { libc::geteuid() };
+    uid == 0
+}

src/main.rs

@@ -3,8 +3,8 @@ use builder::pacman::{PacmanColor, PacmanQueryBuilder};
 use clap::Parser;
 
 use internal::commands::ShellCommand;
-use internal::detect;
 use internal::error::SilentUnwrap;
+use internal::{detect, utils};
 
 use crate::args::{InstallArgs, Operation, QueryArgs, RemoveArgs};
 use crate::interact::page_string;
@@ -32,7 +32,7 @@ use logging::init_logger;
 #[tokio::main]
 async fn main() {
     color_eyre::install().unwrap();
-    if unsafe { libc::geteuid() } == 0 {
+    if utils::is_run_with_root() {
         fl_crash!(AppExitCode::RunAsRoot, "run-as-root");
     }