From 03ab50821418fac99578fd762ba1ef135671b545 Mon Sep 17 00:00:00 2001
From: Daniel Kareh <dkareh@noreply.codeberg.org>
Date: Tue, 4 Aug 2026 17:43:34 -0400
Subject: [PATCH] std.Io.Dir.path: make the behavior of `stem` match its
 documentation

---
 lib/std/fs/path.zig | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/std/fs/path.zig b/lib/std/fs/path.zig
index ffba84b9e3f80c70fa9de109525bf8a3f3262ed2..d5b7f751acf77f6a4b98951f8039bbbf4c20b752 100644
--- a/lib/std/fs/path.zig
+++ b/lib/std/fs/path.zig
@@ -1887,8 +1887,8 @@ test extension {
 /// - "hello/world/lib"        ⇒ "lib"
 pub fn stem(path: []const u8) []const u8 {
     const filename = basename(path);
-    const index = mem.findScalarLast(u8, filename, '.') orelse return filename[0..];
-    if (index == 0) return path;
+    const index = mem.findScalarLast(u8, filename, '.') orelse return filename;
+    if (index == 0) return filename;
     return filename[0..index];
 }
 
@@ -1904,8 +1904,14 @@ test stem {
     try testStem("hello...", "hello..");
     try testStem("hello.", "hello");
     try testStem("/hello.", "hello");
+    try testStem("hello/world/.gitignore", ".gitignore");
+    try testStem("/.gitignore", ".gitignore");
     try testStem(".gitignore", ".gitignore");
+    try testStem(".gitignore/", ".gitignore");
+    try testStem("hello/world/.image.png", ".image");
+    try testStem("/.image.png", ".image");
     try testStem(".image.png", ".image");
+    try testStem(".image.png/", ".image");
     try testStem("file.ext", "file");
     try testStem("file.ext.", "file.ext");
     try testStem("a.b.c", "a.b");
-- 
2.54.0