formula

type BottleSpec struct {
	Platform string // e.g. "arm64_sonoma", "x86_64_linux"
	SHA256   string // bottle tarball SHA256
	Cellar   string // e.g. ":any_skip_relocation" or an absolute path
}

type Formula struct {
	Name        string // Formula name (e.g., "myapp")
	ClassName   string // PascalCase name for Ruby class (derived if empty)
	Description string // Short description (omitted if empty; brew audit wants it)
	Homepage    string // Project homepage URL
	URL         string // Source tarball URL
	SHA256      string // Source tarball SHA256 (omitted if empty)
	License     string // SPDX identifier (omitted if empty)
	Head        *Head  // Optional head stanza

	// Bottle block
	RootURL string       // e.g. "https://ghcr.io/v2/myorg/tap" (formula name appended by brew)
	Rebuild int          // rebuild counter; emitted as `rebuild N` when > 0
	Bottles []BottleSpec // one line per platform

	// Body
	Dependencies []string // depends_on lines
	Conflicts    []string // conflicts_with lines
	Binaries     []string // bin.install lines (first binary drives the default test)
	Completions  bool     // generate_completions_from_executable for each binary
	ExtraInstall []string // verbatim extra install lines
	Caveats      string   // literal caveats text
	Service      string   // verbatim service block body
	Test         Test     // test block (defaults to `system bin/"<bin>", "--version"`)
}

type Head struct {
	URL    string // git URL, e.g. https://github.com/owner/repo.git
	Branch string // e.g. "main"
}

type Test struct {
	Command []string
	Raw     string
}