5 files changed, 14 insertions, 5 deletions
diff --git a/cli/bench/deno_tcp_proxy.ts b/cli/bench/deno_tcp_proxy.ts
index bab8eac19..df74de8c4 100644
--- a/cli/bench/deno_tcp_proxy.ts
+++ b/cli/bench/deno_tcp_proxy.ts
@@ -1,5 +1,7 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 // Used for benchmarking Deno's tcp proxy performance.
+import { copy } from "../../test_util/std/io/util.ts";
+
 const addr = Deno.args[0] || "127.0.0.1:4500";
 const originAddr = Deno.args[1] || "127.0.0.1:4501";
 
@@ -14,7 +16,7 @@ async function handle(conn: Deno.Conn): Promise<void> {
     port: Number(originPort),
   });
   try {
-    await Promise.all([Deno.copy(conn, origin), Deno.copy(origin, conn)]);
+    await Promise.all([copy(conn, origin), copy(origin, conn)]);
   } catch (e) {
     if (
       !(e instanceof Deno.errors.BrokenPipe) &&
diff --git a/cli/dts/lib.deno.ns.d.ts b/cli/dts/lib.deno.ns.d.ts
index e1c558f37..b5b61cd16 100644
--- a/cli/dts/lib.deno.ns.d.ts
+++ b/cli/dts/lib.deno.ns.d.ts
@@ -421,7 +421,11 @@ declare namespace Deno {
     seekSync(offset: number, whence: SeekMode): number;
   }
 
-  /** Copies from `src` to `dst` until either EOF (`null`) is read from `src` or
+  /**
+   * @deprecated Use `copy` from https://deno.land/std/io/util.ts instead.
+   * `Deno.copy` will be removed in Deno 2.0.
+   *
+   * Copies from `src` to `dst` until either EOF (`null`) is read from `src` or
    * an error occurs. It resolves to the number of bytes copied or rejects with
    * the first error encountered while copying.
    *
diff --git a/cli/tests/cat.ts b/cli/tests/cat.ts
index a5b38fccd..0cfd99d22 100644
--- a/cli/tests/cat.ts
+++ b/cli/tests/cat.ts
@@ -1,8 +1,9 @@
+import { copy } from "../../test_util/std/io/util.ts";
 async function main(): Promise<void> {
   for (let i = 1; i < Deno.args.length; i++) {
     const filename = Deno.args[i];
     const file = await Deno.open(filename);
-    await Deno.copy(file, Deno.stdout);
+    await copy(file, Deno.stdout);
   }
 }
 
diff --git a/cli/tests/echo_server.ts b/cli/tests/echo_server.ts
index fcb157fdb..7c8b0e42d 100644
--- a/cli/tests/echo_server.ts
+++ b/cli/tests/echo_server.ts
@@ -1,10 +1,11 @@
+import { copy } from "../../test_util/std/io/util.ts";
 const addr = Deno.args[0] || "0.0.0.0:4544";
 const [hostname, port] = addr.split(":");
 const listener = Deno.listen({ hostname, port: Number(port) });
 console.log("listening on", addr);
 listener.accept().then(
   async (conn): Promise<void> => {
-    console.log("received bytes:", await Deno.copy(conn, conn));
+    console.log("received bytes:", await copy(conn, conn));
     conn.close();
     listener.close();
   },
diff --git a/cli/tests/unit/files_test.ts b/cli/tests/unit/files_test.ts
index 51ca1c579..348d012b4 100644
--- a/cli/tests/unit/files_test.ts
+++ b/cli/tests/unit/files_test.ts
@@ -8,6 +8,7 @@ import {
   assertThrowsAsync,
   unitTest,
 } from "./test_util.ts";
+import { copy } from "../../../test_util/std/io/util.ts";
 
 unitTest(function filesStdioFileDescriptors(): void {
   assertEquals(Deno.stdin.rid, 0);
@@ -21,7 +22,7 @@ unitTest({ perms: { read: true } }, async function filesCopyToStdout(): Promise<
   const filename = "cli/tests/fixture.json";
   const file = await Deno.open(filename);
   assert(file.rid > 2);
-  const bytesWritten = await Deno.copy(file, Deno.stdout);
+  const bytesWritten = await copy(file, Deno.stdout);
   const fileSize = Deno.statSync(filename).size;
   assertEquals(bytesWritten, fileSize);
   file.close();