From 426775fe5d5863ffb3ff5e7b66c892b208b9b6bf Mon Sep 17 00:00:00 2001
From: Abhinav Kumar Singh <abhinav.kr.singh.2610@gmail.com>
Date: Sat, 15 Aug 2026 17:45:13 +0530
Subject: [PATCH 1/2] test: handle CRLF in stale identity guard

---
 rules/ast-grep/stale-identity.test.ts | 32 ++++++++++++++++++---------
 1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/rules/ast-grep/stale-identity.test.ts b/rules/ast-grep/stale-identity.test.ts
index 5a8297f761..e0875af6b6 100644
--- a/rules/ast-grep/stale-identity.test.ts
+++ b/rules/ast-grep/stale-identity.test.ts
@@ -14,7 +14,28 @@ const allowedLegacyCleanupMatches = new Set([
   `packages/sdk-python/tests/test_build.py:"${legacyDistributionName}-0.1.0.tar.gz",`,
 ]);
 
+const findUnexpectedMatches = (stdout: string): string[] =>
+  stdout
+    .trim()
+    .split(/\r?\n/u)
+    .filter(Boolean)
+    .flatMap((match) => {
+      const parsed = /^(?<file>[^:]+):\d+:(?<contents>.*)$/u.exec(match)?.groups;
+      if (!parsed?.file || parsed.contents === undefined) return [match];
+      const identity = `${parsed.file}:${parsed.contents.trim()}`;
+      return allowedLegacyCleanupMatches.has(identity) ? [] : [match];
+    });
+
 describe("Retired package identities", () => {
+  it("accepts exact legacy cleanup matches with CRLF line endings", () => {
+    const output = [
+      `packages/sdk-python/scripts/build.py:18:        "${legacyDistributionName}-*.whl",`,
+      `packages/sdk-python/tests/test_build.py:13:        "${legacyDistributionName}-0.1.0.tar.gz",`,
+    ].join("\r\n");
+
+    expect(findUnexpectedMatches(output)).toEqual([]);
+  });
+
   it("does not reintroduce a Stagehand v4 package or test identity", async () => {
     const pattern = ["stagehand", "[-_]v4"].join("");
     let stdout = "";
@@ -27,16 +48,7 @@ describe("Retired package identities", () => {
       if (grepError.code !== 1) throw error;
       stdout = grepError.stdout ?? "";
     }
-    const unexpected = stdout
-      .trim()
-      .split("\n")
-      .filter(Boolean)
-      .flatMap((match) => {
-        const parsed = /^(?<file>[^:]+):\d+:(?<contents>.*)$/u.exec(match)?.groups;
-        if (!parsed?.file || parsed.contents === undefined) return [match];
-        const identity = `${parsed.file}:${parsed.contents.trim()}`;
-        return allowedLegacyCleanupMatches.has(identity) ? [] : [match];
-      });
+    const unexpected = findUnexpectedMatches(stdout);
 
     expect(
       unexpected,

From 36a4c3fee37cfba3b6e103fa2bc018376bf9a22d Mon Sep 17 00:00:00 2001
From: Abhinav Kumar Singh <abhinav.kr.singh.2610@gmail.com>
Date: Sat, 15 Aug 2026 17:51:03 +0530
Subject: [PATCH 2/2] test: document CRLF grep parsing

---
 rules/ast-grep/stale-identity.test.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rules/ast-grep/stale-identity.test.ts b/rules/ast-grep/stale-identity.test.ts
index e0875af6b6..69ea80d2e0 100644
--- a/rules/ast-grep/stale-identity.test.ts
+++ b/rules/ast-grep/stale-identity.test.ts
@@ -17,6 +17,7 @@ const allowedLegacyCleanupMatches = new Set([
 const findUnexpectedMatches = (stdout: string): string[] =>
   stdout
     .trim()
+    // Windows git writes CRLF; retaining the carriage return breaks the anchored parser below.
     .split(/\r?\n/u)
     .filter(Boolean)
     .flatMap((match) => {