Merge pull request #33 from deadlinks/feat/err_msg_missing_dir

feat(error): improve error message for missing target doc directory
deadlinks · Jan 9, 2019 · 94cb69e · 94cb69e
2 parents c52ada0 + 7a4fbc3
commit 94cb69e
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/main.rs b/src/main.rs
@@ -83,7 +83,15 @@ fn main() {
         .arg_directory
         .clone()
         .map_or_else(determine_dir, |dir| PathBuf::from(dir));
-    let dir = dir.canonicalize().unwrap();
+    let dir = match dir.canonicalize() {
+        Ok(dir) => dir,
+        Err(_) => {
+            println!("Could not find directory {:?}.", dir);
+            println!("");
+            println!("Please run `cargo doc` before running `cargo deadlinks`.");
+            process::exit(1);
+        }
+    };
     let ctx: CheckContext = args.into();
     if !walk_dir(&dir, &ctx) {
         process::exit(1);