From 3c6e0d95bf1dfda2e0e6a4e3354c04d14234519d Mon Sep 17 00:00:00 2001
From: Dimitri Kennedy <dimitrikennedy@gmail.com>
Date: Thu, 9 Jul 2026 16:50:05 -0400
Subject: [PATCH] fix(release): install Homebrew executable path

---
 scripts/update-homebrew-tap.ts    | 20 ++++++++++---------
 tests/update-homebrew-tap.test.ts | 33 +++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 9 deletions(-)
 create mode 100644 tests/update-homebrew-tap.test.ts

diff --git a/scripts/update-homebrew-tap.ts b/scripts/update-homebrew-tap.ts
index c7c6ce26..1702b3ff 100644
--- a/scripts/update-homebrew-tap.ts
+++ b/scripts/update-homebrew-tap.ts
@@ -25,7 +25,7 @@ interface GithubReleaseView {
   readonly assets?: unknown;
 }
 
-interface ReleaseAssetInfo {
+export interface ReleaseAssetInfo {
   readonly name: string;
   readonly sha256: string;
 }
@@ -56,12 +56,14 @@ const HELP_TEXT = [
   "  --repo <owner/name>   GitHub repo to query (default: hack-dance/hack)",
 ].join("\n");
 
-const parsed = parseArgs({ argv: Bun.argv.slice(2) });
-if (parsed.ok) {
-  process.exitCode = await main({ args: parsed.args });
-} else {
-  process.stderr.write(`${parsed.message}\n`);
-  process.exitCode = 1;
+if (import.meta.main) {
+  const parsed = parseArgs({ argv: Bun.argv.slice(2) });
+  if (parsed.ok) {
+    process.exitCode = await main({ args: parsed.args });
+  } else {
+    process.stderr.write(`${parsed.message}\n`);
+    process.exitCode = 1;
+  }
 }
 
 async function main({ args }: { readonly args: Args }): Promise<number> {
@@ -246,7 +248,7 @@ function parseAssets({
   return out;
 }
 
-function renderFormula({
+export function renderFormula({
   repo,
   tag,
   version,
@@ -287,7 +289,7 @@ function renderFormula({
     '    libexec.install "hack"',
     '    (libexec/"assets").install Dir["assets/*"] if (buildpath/"assets").directory?',
     '    (libexec/"assets/binaries").install Dir["binaries/*"] if (buildpath/"binaries").directory?',
-    '    bin.write_env_script libexec/"hack", HACK_ASSETS_DIR: libexec/"assets"',
+    '    (bin/"hack").write_env_script libexec/"hack", HACK_ASSETS_DIR: libexec/"assets"',
     "  end",
     "",
     "  test do",
diff --git a/tests/update-homebrew-tap.test.ts b/tests/update-homebrew-tap.test.ts
new file mode 100644
index 00000000..94447d24
--- /dev/null
+++ b/tests/update-homebrew-tap.test.ts
@@ -0,0 +1,33 @@
+import { expect, test } from "bun:test";
+
+import { renderFormula } from "../scripts/update-homebrew-tap.ts";
+
+test("renderFormula installs the wrapper at bin/hack", () => {
+  const formula = renderFormula({
+    repo: "hack-dance/hack",
+    tag: "v3.3.3",
+    version: "3.3.3",
+    darwinArm64: {
+      name: "hack-3.3.3-darwin-arm64.tar.gz",
+      sha256: "arm64-sha",
+    },
+    darwinX64: {
+      name: "hack-3.3.3-darwin-x86_64.tar.gz",
+      sha256: "x64-sha",
+    },
+    linuxX64: {
+      name: "hack-3.3.3-linux-x86_64.tar.gz",
+      sha256: "linux-sha",
+    },
+  });
+
+  expect(formula).toContain(
+    '(bin/"hack").write_env_script libexec/"hack", HACK_ASSETS_DIR: libexec/"assets"'
+  );
+  expect(formula).not.toContain(
+    'bin.write_env_script libexec/"hack", HACK_ASSETS_DIR: libexec/"assets"'
+  );
+  expect(formula).toContain(
+    'assert_match "hack", shell_output("#{bin}/hack --help")'
+  );
+});