periphery 2.21.2 (new formula)

Formula/p/periphery.rb

@@ -0,0 +1,40 @@
+class Periphery < Formula
+  desc "Identify unused code in Swift projects"
+  homepage "https://github.com/peripheryapp/periphery"
+  url "https://github.com/peripheryapp/periphery/archive/refs/tags/2.21.2.tar.gz"
+  sha256 "97e399df17d1e681703c5c8852e50b40c056a98b41dc4c615011c048b8348dbb"
+  license "MIT"
+  head "https://github.com/peripheryapp/periphery.git", branch: "master"
+
+  depends_on xcode: ["15.4", :build]
+  depends_on macos: :sonoma
+
+  uses_from_macos "swift" => [:build, :test]
+  uses_from_macos "curl"
+  uses_from_macos "libxml2"
+
+  def install
+    args = if OS.mac?
+      ["--disable-sandbox"]
+    else
+      ["--static-swift-stdlib"]
+    end
+    system "swift", "build", *args, "--configuration", "release", "--product", "periphery"
+    bin.install ".build/release/periphery"
+  end
+
+  test do
+    # Periphery dynamically loads 'libIndexStore' at runtime and must find its location depending on the host OS.
+    # On macOS, the library is bundled within Xcode at a consistent location. On Linux, the library path is assumed
+    # to be at 'lib/libIndexStore.so' relative to the path of the 'swift' binary, which is a reasonable assumption for
+    # most installations. However, this is not the case on the Homebrew Linux test container, and the shared libraries
+    # do not appear to be present.
+    return if OS.linux? && ENV["HOMEBREW_GITHUB_ACTIONS"]
+
+    system "swift", "package", "init", "--name", "test", "--disable-xctest", "--disable-swift-testing"
+    system "swift", "build", "--disable-sandbox"
+    manifest = shell_output "swift package --disable-sandbox describe --type json"
+    File.write "manifest.json", manifest
+    system bin/"periphery", "scan", "--strict", "--skip-build", "--json-package-manifest-path", "manifest.json"
+  end
+end