Support canary builds, closes #2

.github/workflows/test.yml

@@ -2,12 +2,12 @@ name: test
 on:
   push:
     paths:
-      - formula/**.rb
+      - formula/bun.rb
     branches:
       - main
   pull_request:
     paths:
-      - formula/**.rb
+      - formula/bun.rb
     branches:
       - main
   workflow_dispatch:

formula/bun@canary.rb

@@ -0,0 +1,37 @@
+class BunATcanary < Formula
+  desc "Incredibly fast JavaScript runtime, bundler, transpiler and package manager - all in one."
+  homepage "https://bun.sh/"
+  license "MIT"
+  version "canary"
+
+  if OS.mac?
+    if Hardware::CPU.arm? || Hardware::CPU.in_rosetta2?
+      url "https://github.com/oven-sh/bun/releases/download/canary/bun-darwin-aarch64.zip"
+    elsif Hardware::CPU.avx2?
+      url "https://github.com/oven-sh/bun/releases/download/canary/bun-darwin-x64.zip"
+    else
+      url "https://github.com/oven-sh/bun/releases/download/canary/bun-darwin-x64-baseline.zip"
+    end
+  elsif OS.linux?
+    if Hardware::CPU.arm?
+      url "https://github.com/oven-sh/bun/releases/download/canary/bun-linux-aarch64.zip"
+    elsif Hardware::CPU.avx2?
+      url "https://github.com/oven-sh/bun/releases/download/canary/bun-linux-x64.zip"
+    else
+      url "https://github.com/oven-sh/bun/releases/download/canary/bun-linux-x64-baseline.zip"
+    end
+  else
+    odie "Unsupported platform. Please submit a bug report here: https://bun.sh/issues\n#{OS.report}"
+  end
+
+  # TODO: to become an official formula we need to build from source
+  def install
+    bin.install "bun"
+    ENV["BUN_INSTALL"] = "#{bin}"
+    generate_completions_from_executable(bin/"bun", "completions")
+  end
+
+  def test
+    shell_output("#{bin}/bun -v")
+  end
+end