From 70c62530ee0b6fba28816ca4454557baf1f2e440 Mon Sep 17 00:00:00 2001
From: ath3 <45574139+ath3@users.noreply.github.com>
Date: Fri, 3 Dec 2021 16:13:24 +0100
Subject: [PATCH] Support env flags in shebang (#1224)

---
 helix-core/src/syntax.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index 142265a8..ba78adaa 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -310,8 +310,9 @@ impl Loader {
 
     pub fn language_config_for_shebang(&self, source: &Rope) -> Option<Arc<LanguageConfiguration>> {
         let line = Cow::from(source.line(0));
-        static SHEBANG_REGEX: Lazy<Regex> =
-            Lazy::new(|| Regex::new(r"^#!\s*(?:\S*[/\\](?:env\s+)?)?([^\s\.\d]+)").unwrap());
+        static SHEBANG_REGEX: Lazy<Regex> = Lazy::new(|| {
+            Regex::new(r"^#!\s*(?:\S*[/\\](?:env\s+(?:\-\S+\s+)*)?)?([^\s\.\d]+)").unwrap()
+        });
         let configuration_id = SHEBANG_REGEX
             .captures(&line)
             .and_then(|cap| self.language_config_ids_by_shebang.get(&cap[1]));