From bfa72f8dabf8dc0f564d1d949b4d3bbd3476912e Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Tue, 14 Jul 2026 20:03:26 +0100
Subject: [PATCH] fix(shared): classify trailing-space ignore rules

---
 src/agents/sessions/package-manager.test.ts | 2 +-
 src/shared/ignore-rules.ts                  | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/agents/sessions/package-manager.test.ts b/src/agents/sessions/package-manager.test.ts
index afa814c9b764..54f30b5b0632 100644
--- a/src/agents/sessions/package-manager.test.ts
+++ b/src/agents/sessions/package-manager.test.ts
@@ -134,7 +134,7 @@ describe("DefaultPackageManager", () => {
     await writeFile(insideSkill, "# Inside\n", "utf-8");
     await writeFile(ignoredSkill, "# Ignored\n", "utf-8");
     await writeFile(escapedSkill, "# Ignored\n", "utf-8");
-    await writeFile(join(agentsSkillsRoot, "group", ".gitignore"), "ignored/\n\\!literal/\n");
+    await writeFile(join(agentsSkillsRoot, "group", ".gitignore"), "ignored/ \n\\!literal/\n");
     await writeFile(join(outsideRoot, "SKILL.md"), "# Outside\n", "utf-8");
 
     try {
diff --git a/src/shared/ignore-rules.ts b/src/shared/ignore-rules.ts
index 35ad22080d14..bb826382e8e2 100644
--- a/src/shared/ignore-rules.ts
+++ b/src/shared/ignore-rules.ts
@@ -36,7 +36,8 @@ function prefixIgnorePattern(line: string, prefix: string): string {
   const pattern = negated ? line.slice(1) : line;
   const anchored = pattern.startsWith("/");
   const normalized = anchored ? pattern.slice(1) : pattern;
-  const depthGlob = prefix && !anchored && !normalized.slice(0, -1).includes("/") ? "**/" : "";
+  const matchPattern = normalized.replace(/ +$/, "");
+  const depthGlob = prefix && !anchored && !matchPattern.slice(0, -1).includes("/") ? "**/" : "";
   const prefixed = `${prefix}${depthGlob}${normalized}`;
   return negated ? `!${prefixed}` : prefixed;
 }