From e1d09cddb5d810198e09591a794349428738ae25 Mon Sep 17 00:00:00 2001
From: yangxianzhao <1430552949@qq.com>
Date: Fri, 30 Oct 2026 14:29:16 +0800
Subject: [PATCH] fix(core): keep literal backslashes in Unix file names

normalizePath replaced every backslash with a slash on all platforms, so glob and grep reported a nonexistent path for files whose name contains a backslash on Unix. Only Windows needs separator normalization.
---
 packages/core/src/ripgrep.ts       |  8 ++++----
 packages/core/test/ripgrep.test.ts | 21 +++++++++++++++++++++
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/packages/core/src/ripgrep.ts b/packages/core/src/ripgrep.ts
index 5e49d46223ca..0a4f8c5c83a7 100644
--- a/packages/core/src/ripgrep.ts
+++ b/packages/core/src/ripgrep.ts
@@ -91,11 +91,11 @@ export class Service extends Context.Service<Service, Interface>()("@opencode/Ri
 
 const failure = (message: string, cause?: unknown) => new Error({ message, cause })
 
+// A backslash is a literal character in Unix file names; only Windows reports separators that way.
 const normalizePath = (value: string) =>
-  value
-    .replace(/^(?:\.[\\/])+/u, "")
-    .replace(/^[\\/]+/u, "")
-    .replaceAll("\\", "/")
+  process.platform === "win32"
+    ? value.replace(/^(?:\.[\\/])+/u, "").replace(/^[\\/]+/u, "").replaceAll("\\", "/")
+    : value.replace(/^(?:\.\/)+/u, "").replace(/^\/+/u, "")
 
 const isInvalidPattern = (stderr: string) =>
   stderr.includes("regex parse error") || stderr.includes("error parsing regex")
diff --git a/packages/core/test/ripgrep.test.ts b/packages/core/test/ripgrep.test.ts
index bf4231ec7e2f..e36d25482c36 100644
--- a/packages/core/test/ripgrep.test.ts
+++ b/packages/core/test/ripgrep.test.ts
@@ -186,6 +186,27 @@ describe("Ripgrep", () => {
       (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
     ),
   )
+
+  const posixOnly = process.platform === "win32" ? it.live.skip : it.live
+
+  posixOnly("keeps literal backslashes in Unix file names", () =>
+    Effect.acquireUseRelease(
+      Effect.promise(() => tmpdir()),
+      (tmp) =>
+        Effect.gen(function* () {
+          const file = "actual\\name.txt"
+          yield* Effect.promise(() => fs.writeFile(path.join(tmp.path, file), "needle\n"))
+
+          const ripgrep = yield* Ripgrep.Service
+          const files = yield* ripgrep.glob({ cwd: tmp.path, pattern: "*.txt", limit: 10 })
+          expect(files.map((item) => item.path)).toEqual([RelativePath.make(file)])
+
+          const matches = yield* ripgrep.grep({ cwd: tmp.path, pattern: "needle", limit: 10 })
+          expect(matches.map((item) => item.entry.path)).toEqual([RelativePath.make(file)])
+        }),
+      (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
+    ),
+  )
 })
 
 describe("RipgrepBinary.verify", () => {