From 2e8b176c5f4d93bc614cb9ff6808e5011bb2e103 Mon Sep 17 00:00:00 2001
From: A Farzat <a@farzat.xyz>
Date: Sun, 7 Jun 2026 20:48:36 +0300
Subject: Detect bash using shebang

---
 src/renderer.rs | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/renderer.rs b/src/renderer.rs
index 164012e..ad5201f 100644
--- a/src/renderer.rs
+++ b/src/renderer.rs
@@ -153,10 +153,14 @@ fn detect_language(filename: &Path, contents: &str) -> &'static str {
         Some("py") => "python",
         Some("json") => "json",
         _ => {
-            if let Some(first_line) = contents.lines().next()
-                && first_line.contains("python")
-            {
-                return "python";
+            if let Some(first_line) = contents.lines().next() {
+                if first_line.contains("python")
+                {
+                    return "python";
+                }
+                if first_line.contains("bash") {
+                    return "bash";
+                }
             }
             ""
         }
@@ -300,6 +304,18 @@ mod tests {
         assert_eq!(String::from_utf8(output).unwrap(), expected);
     }
 
+    #[test]
+    fn bash_file_detected_from_shebang() {
+        let mut output = Vec::new();
+        let mut renderer = Renderer::new(&mut output);
+
+        let input = Cursor::new("#! /bin/bash\necho hello");
+        renderer.render_file(Path::new("hello"), input).unwrap();
+        let expected = "\n## File: hello\n```bash\n#! /bin/bash\necho hello\n```\n";
+
+        assert_eq!(String::from_utf8(output).unwrap(), expected);
+    }
+
     #[test]
     fn python_file_detected_from_shebang() {
         let mut output = Vec::new();
-- 
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