From 100bac8f879cc51a83f8c8e84c47941d3102bbfe Mon Sep 17 00:00:00 2001
From: Baptiste Roux <arte.but.posix@gmail.com>
Date: Wed, 1 Feb 2023 18:24:39 +0100
Subject: [PATCH] chore: Return error if the regex is invalid

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 49fed1c..d002561 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -28,7 +28,7 @@ fn find_repos(
     let mut warnings = Vec::new();
 
     let exlusion_regex: regex::Regex = regex::Regex::new(&exclusion_pattern.unwrap_or(r"^$"))
-        .unwrap_or_else(|_| regex::Regex::new(r"^$").unwrap());
+        .map_err(|e| format!("invalid regex: {e}"))?;
     for path in tree::find_repo_paths(root)? {
         if exclusion_pattern.is_some() && exlusion_regex.is_match(&path::path_as_string(&path)) {
             warnings.push(format!("[skipped] {}", &path::path_as_string(&path)));