fix .env loader printing to stderr when running bun bun.lockb (oven-s…

…h#13905)

Co-authored-by: Jarred Sumner <[email protected]>

src/install/lockfile.zig

@@ -1296,6 +1296,7 @@ pub const Printer = struct {
 
             const loader = try allocator.create(DotEnv.Loader);
             loader.* = DotEnv.Loader.init(map, allocator);
+            loader.quiet = true;
             break :brk loader;
         };
 

test/cli/install/bun-lockb.test.ts

@@ -0,0 +1,58 @@
+import { file, listen, Socket, spawn } from "bun";
+import { tmpdirSync } from "harness";
+import { afterAll, afterEach, beforeAll, beforeEach, describe, expect, it, setDefaultTimeout, test } from "bun:test";
+import { access, mkdir, readlink, rm, writeFile, copyFile } from "fs/promises";
+import { bunEnv, bunExe, bunEnv as env, tempDirWithFiles, toBeValidBin, toBeWorkspaceLink, toHaveBins } from "harness";
+import { join, sep } from "path";
+
+it("should not print anything to stderr when running bun.lockb", async () => {
+  const package_dir = tmpdirSync();
+
+  // copy bar-0.0.2.tgz to package_dir
+  await copyFile(join(__dirname, "bar-0.0.2.tgz"), join(package_dir, "bar-0.0.2.tgz"));
+
+  // Create a simple package.json
+  await writeFile(
+    join(package_dir, "package.json"),
+    JSON.stringify({
+      name: "test-package",
+      version: "1.0.0",
+      dependencies: {
+        "dummy-package": "file:./bar-0.0.2.tgz",
+      },
+    }),
+  );
+
+  // Run 'bun install' to generate the lockfile
+  const installResult = spawn({
+    cmd: [bunExe(), "install"],
+    cwd: package_dir,
+    env,
+  });
+  await installResult.exited;
+
+  // Ensure the lockfile was created
+  await access(join(package_dir, "bun.lockb"));
+
+  // create a .env
+  await writeFile(join(package_dir, ".env"), "FOO=bar");
+
+  // Now test 'bun bun.lockb'
+  const { stdout, stderr, exited } = spawn({
+    cmd: [bunExe(), "bun.lockb"],
+    cwd: package_dir,
+    stdout: "pipe",
+    stderr: "inherit",
+    env,
+  });
+
+  const stdoutOutput = await new Response(stdout).text();
+  expect(stdoutOutput).toBe(
+    `# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.\n# yarn lockfile v1\n# bun ./bun.lockb --hash: 8B7A1C2DA8966A48-f4830e6e283fffe9-DE5BD0E91FD9910F-f0bf88071b3f7ec9\n\n\n\"bar@file:./bar-0.0.2.tgz\":\n  version \"./bar-0.0.2.tgz\"\n  resolved \"./bar-0.0.2.tgz\"\n`,
+  );
+
+  const stderrOutput = await new Response(stderr).text();
+  expect(stderrOutput).toBe("");
+
+  expect(await exited).toBe(0);
+});