From f1fde67d0304b6fe75f99f86bb76b85a4dca6fa8 Mon Sep 17 00:00:00 2001
From: Jo <10510431+j178@users.noreply.github.com>
Date: Fri, 8 Aug 2025 01:05:49 +0800
Subject: [PATCH] Fix identify tags for `Pipfile.lock` (#391)

---
 src/identify.rs | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/identify.rs b/src/identify.rs
index 4e8d0a14..1221bbd1 100644
--- a/src/identify.rs
+++ b/src/identify.rs
@@ -786,14 +786,16 @@ fn tags_from_filename(filename: &Path) -> Vec<&str> {
     let mut result = FxHashSet::default();
 
     if let Some(tags) = by_filename().get(filename) {
-        tags.iter().for_each(|&tag| {
-            result.insert(tag);
-        });
+        for tag in *tags {
+            result.insert(*tag);
+        }
     }
-    // # Allow e.g. "Dockerfile.xenial" to match "Dockerfile".
-    if let Some(name) = filename.split('.').next() {
-        if let Some(tags) = by_filename().get(name) {
-            result.extend(&**tags);
+    if result.is_empty() {
+        // # Allow e.g. "Dockerfile.xenial" to match "Dockerfile".
+        if let Some(name) = filename.split('.').next() {
+            if let Some(tags) = by_filename().get(name) {
+                result.extend(&**tags);
+            }
         }
     }
 
@@ -934,7 +936,14 @@ mod tests {
     fn tags_from_filename() {
         let tags = super::tags_from_filename(Path::new("test.py"));
         assert_eq!(tags, vec!["python", "text"]);
+
         let tags = super::tags_from_filename(Path::new("data.json"));
         assert_eq!(tags, vec!["json", "text"]);
+
+        let tags = super::tags_from_filename(Path::new("Pipfile"));
+        assert_eq!(tags, vec!["toml", "text"]);
+
+        let tags = super::tags_from_filename(Path::new("Pipfile.lock"));
+        assert_eq!(tags, vec!["json", "text"]);
     }
 }