refactor(core): unify filesystem search service (#31566)

packages/opencode/test/tool/grep.test.ts

@@ -11,7 +11,7 @@ import { CrossSpawnSpawner } from "@opencode-ai/core/cross-spawn-spawner"
 import { Global } from "@opencode-ai/core/global"
 import { Truncate } from "@/tool/truncate"
 import { Agent } from "../../src/agent/agent"
-import { Search } from "@opencode-ai/core/filesystem/search"
+import { Ripgrep } from "@opencode-ai/core/ripgrep"
 import { FSUtil } from "@opencode-ai/core/fs-util"
 import { testEffect } from "../lib/effect"
 import { Permission } from "../../src/permission"
@@ -25,7 +25,7 @@ const toolLayer = (flags: Partial<RuntimeFlags.Info> = {}) =>
   Layer.mergeAll(
     CrossSpawnSpawner.defaultLayer,
     FSUtil.defaultLayer,
-    Search.defaultLayer,
+    Ripgrep.defaultLayer,
     Truncate.defaultLayer,
     Agent.defaultLayer,
     Git.defaultLayer,
@@ -135,6 +135,25 @@ describe("tool.grep", () => {
     }),
   )
 
+  it.instance("does not report an unknown total when results are truncated", () =>
+    Effect.gen(function* () {
+      const test = yield* TestInstance
+      yield* Effect.promise(() =>
+        Promise.all(
+          Array.from({ length: 101 }, (_, index) =>
+            Bun.write(path.join(test.directory, `match-${index}.txt`), "needle"),
+          ),
+        ),
+      )
+      const info = yield* GrepTool
+      const grep = yield* info.init()
+      const result = yield* grep.execute({ pattern: "needle", path: test.directory, include: "*.txt" }, ctx)
+
+      expect(result.output).toContain("(Results truncated. Consider using a more specific path or pattern.)")
+      expect(result.output).not.toMatch(/showing \d+ of \d+ matches/)
+    }),
+  )
+
   it.instance("supports exact file paths", () =>
     Effect.gen(function* () {
       const test = yield* TestInstance