From 035ec791c5a3688de3af37a1ea355f4d10db3b0d Mon Sep 17 00:00:00 2001
From: Simon Cozens <simon@simon-cozens.org>
Date: Thu, 28 Nov 2024 08:43:26 +0000
Subject: [PATCH] Improve error message

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

diff --git a/shaperglot-cli/src/check.rs b/shaperglot-cli/src/check.rs
index 73eef31..20ef53b 100644
--- a/shaperglot-cli/src/check.rs
+++ b/shaperglot-cli/src/check.rs
@@ -27,7 +27,12 @@ pub struct CheckArgs {
 }
 
 pub fn check_command(args: &CheckArgs, language_database: shaperglot::Languages) {
-    let font_binary = std::fs::read(args.font.as_path()).expect("Failed to read font file");
+    let font_binary = std::fs::read(args.font.as_path())
+        .map_err(|e| {
+            eprintln!("Failed to read font file {}: {}", args.font.display(), e);
+            std::process::exit(1);
+        })
+        .unwrap();
     let checker = Checker::new(&font_binary).expect("Failed to load font");
     let mut fixes_required = HashMap::new();
     for language in args.languages.iter() {