From a05ad4c25fc2ee04b471fed37566c59fa242673c Mon Sep 17 00:00:00 2001
From: Pol Dellaiera <pol.dellaiera@protonmail.com>
Date: Sat, 21 Jan 2023 09:21:20 +0100
Subject: [PATCH] fix program filename check

---
 src/main.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 1652d66..dafc099 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,7 +4,12 @@ use std::{env, ffi::OsString, io, os::unix::process::CommandExt, process::Comman
 use syslog::{unix, Facility::LOG_AUTH, Formatter3164};
 
 fn main() -> io::Result<()> {
-    if env::args_os().nth(0).unwrap() != "🥺" {
+    let progName = std::env::current_exe()
+        .ok()
+        .and_then(|pb| pb.file_name().map(|s| s.to_os_string()))
+        .and_then(|s| s.into_string().ok());
+
+    if progName.unwrap() != "🥺" {
         eprintln!(
             "error: called 🥺 with name {:?}",
             env::args_os().nth(0).unwrap()