From d20c1c429e955340c7517469ab51360b7fa2ee51 Mon Sep 17 00:00:00 2001
From: Aleksandr Lebedev <alex.lebedev2003@icloud.com>
Date: Tue, 21 Apr 2026 17:40:29 +0200
Subject: [PATCH] Exit with error if starting as 'arsh file' and file can't be
 opened

---
 main.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/main.c b/main.c
index 9865ec1..3c31164 100644
--- a/main.c
+++ b/main.c
@@ -1004,7 +1004,7 @@ char* generate_ps1_prompt()
   }
   if(ps1_len < 2)
   {
-    copy_str_to_buf(prompt_buf, sizeof(prompt_buf), getenv("PS1"));
+    copy_str_to_buf(prompt_buf, sizeof(prompt_buf), env_buf);
     return prompt_buf;
   }
   size_t i = 1, j = 0;
@@ -1077,6 +1077,11 @@ int main(int argc, const char* argv[])
       stream = file;
       prompt = NULL;
     }
+    else
+    {
+      perror(argv[1]);
+      exit(1);
+    }
   }
 
   struct sigaction s;